MARCH 1989 Austraia 5125, New Zealand $4-70 (inc. GST ......MARCH 1989 Austraia 5125, New Zealand...

MARCH 1989 Austraia 5125, New Zealand $4-70 (inc. GST), Malaysia 56-30, £1-50Ireland BR2-13 (ipc. VAT

TEEuisionSERVICING.PROJECTS.VIDEODEVELOPMENTS

FREE MAGNIFYING GLASS

rkAlew Serie CD Player Servicing1ntroductis_ to S -VHS DX -TVDish Alignment by BBC ComputerVCR Clinic TV Fault FindingThe Saticon Camera Tube

9 770 32 47009

MANOR SUPPLIESMKV PAL COLOUR TEST GENERATOR

FOR DOMESTIC TV & VCR.

TEST

DEMONSTRATIONSAT 172

WEST END LANEIN

II elII III II

* 40 different patterns and variations.* Fully interlaced sync pulses with correct picture

blanking.* EBU colour bars, BBC colour bars, whole rasters & split

bars (specially useful for VCR service), white, yellow,cyan, green, magenta, red, blue and black.

* Chequerboard.* Mono outputs with border castellations, cross hatch,

grey scale, vertical lines, horizontal lines and dots.UHF modulator output plugs straight into receiveraerial socket.

* Additional video output for CCTV & VCR.* Facilities for sound output.* Easy to build kit, standard parts. Only 2 adjustments.

No special test equipment required.* Mains operated with stabilised power supply.* All kits fully guaranteed with back-up service.* Also available with VHF Modulator.Price of Kit £70.00Case (10" x 6" x 2 1/4") app. £8.60Optional Sound Module (6MHz or 5.5MHz) £3.90Built & Tested in Case including Sound Module £108.00

Post/Packing £3.00Add VAT 15% TO ALL PRICES

PAL COLOUR BAR GENERATOR (Mk4)

* Output at UHF, applied to receiver aerial socket.* In addition to colour bars R -Y, B -Y etc.* Cross -hatch, grey scale, peak white and black level.* Push button controls, battery or mains operated.* Simple design, only five i.c.s on colour bar P.C.B.* Backup service available.

PRICE OF MK 4 COLOUR BAR GENERATOR KIT£30.00. CASE £8.60. BATT HOLDERS £4.20. MAINSSUPPLY KIT £4.20 (Combined P&P £3.00).

MK 4 (BATTERY) BUILT & TESTED £58.00 + £3.00 P & P.MK 4 (MAINS) BUILT & TESTED £68.00 + £3.00 P & P.VHF MODULATOR (CH 1 to 4) FOR OVERSEAS £5.75.EASILY ADAPTED FOR VIDEO OUTPUT & C.C.T.V.

ADDVAT15%

KITS & PROJECTSPAL DECODER KIT (Video to RGB) for Monitors £27.00 p.p. £1.00.PAL ENCODER KIT (ROB to Video) £18.50 p.p. £1.30.CROSS HATCH UNIT KIT, Aerial Input type, incl. T.V. sync. and UHFModulator, Battery Operated, also gives Peak White & Black Levels, can beused for any set. £13.50 p.p. 80p. (Alum. Case £3.20 p.p. £1.40.)ADDITIONAL GREY SCALE Kit £2.90 p.p. 45p.UHF SIGNAL STRENGTH METER KIT £22.00 Alum. Case £3.20. DeLuxe Case £8.60 (Built & Tested £48.00) p.p. £2.50.CRT TESTER & REACTIVATOR KIT For Colour & Mono complete withCase, Panel Meter Indicator - can be adapted for latest CRTs £29.50 p.p.£3.00.

TV SERVICE SPARESUNDER NEW MANAGEMENT

BACKED BY TWENTY YEARS EXPERIENCE & STAFF OFTECHNICAL EXPERTS

LOPTs, TRIPLERS, PANELS, TUNERS, SELECTORS ETC.

PHILIPS SPARESG8 PANELS (Testec) Power £12.50, Scan £15.00, Signals £15.00 pp. £2.50.KT3, K30 PANELS tested, exchange, sound, power, bridge rect, frame, RGB£7.50 each. Decoder (Non -text) £10.00 p.p. £1.50.Gil PANELS (testes), frame, IF, decoder £12.50 each. p.p. £2.00. Scan £15.00p.p. £2.80. Power tested exchange £18.00 p.p. £2.80.GII PANELS EX -RENTAL (untested) Scan, Frame, Decoder £2.50 p.p. £2.00.Gil W PANEL (new) less Tuner £2.50 p.p. £1.30.Gll EPOS Touch Tune Channel Selector (replaces old type) incl. instructions£20.00 p.p. £1.80G9 POWER SUPPLY UNIT £5.00 pp. £2.30.G8 6 Position Channel Selector (sloping buttons) £2.50 p.p. £1.00.HANDSETS (new replacements) p.p. £1.50.G11 ULTRASONIC non -text £19.50, infra -red text £19.50. Others available.KT3 non -text (RC40)1), KT3, K30 Text £19.50.HANDSETS EX -RENTAL, TEXT UNTESTED. KT, TEXT/VIDEO TYPE £3.50p.p. £1.00.MANUALS p.p. 80p. G11, K35, 2A £3.50. KT3 £4.50, CTX-E, CTX-S, CFI £1.50KT4/K40 SYSTEM 4 £3.50

THORN/FERGUSON SPARES8000, 8500, 8800, 9800 PANELS tested, exchange. Power £8.80, Frame £10.00 p.p.£2.30.9000 Series IF/Decooer tested £10.00 p.p. £2.30.TX9 Panels complete & tested £28.00 exchange (shop only)TX9 Panels ex -factory for small spares includes IC's & semiconductors, etc. £3.00p.p. £2.00.TX9 panels salvaged ex -factory for spares incl. electronic & mains transformer.£8.50 p.p. £3.00.TX9/TX10 Facia, control panel incl. infra -red receiver £8.50 p.p. £2.00TX10 Focus control 18.50 p.p. £1.00.TX9/TX10 Saw filter IF panel £5.00 p.p. 80p.TX9/TX10 Remote & tuning control panel 1515 (incl. SAA5012) £7.50 p.p. £1.80.TX Remote & tuning control panel 1509 (incl UAA1008A, battery) £5.00 p.p.£1.80.TX REMOTE PANEL 1564 (incl. SAA5012, M923) £5.00 p.p. £1.80.REMOTE CONTROL HANDSETS -TX9, TX10 inred-red text £19.50 p.p. £1.20.ITT SPARES: CVC30 series convergence & purity panels £2.50 p.p. £1.50.CVC30 series panels surplus (untested) £2.50 each, CMP31, CMF31, CMA30,CM532 p.p. 80p, CMID33 p.p. £1.80.CVC20/30 series chassis for small spares (shop only) £2.50.

BUSH SPARES: T20/122 panels, tested, exchange, power £18.00. Scan£25.00 p.p. £2.50. T2.YI'22 touch tune panels + controls £3.50 p.p. £1.50.GEC SPARES: 20AX MKEI line time base £18.00 p.p. £2.00. Power (PC778 )tested exchange £1810 p.p. £2.00.

SONY SPARES: ON/OFF SWITCH 21mm or 26mm, spaced holes, universalSony on/off £4.20 each p.p. 80p.HANDSETS (New Replacement) RM-604, 606, 613, 615, 630, 632, 635 £19.50 p.p.£1.00.TELETEXT DECOEER PANELS (tested) - Mullard VM6I01 Type £25.00,Philips KT3, K30 £20.00 p.p. £2.30.MULLARD VM6230 teletext decoder (similar to VM6I01) plus additional Prestelunit, VM6330 & Line Coupler £20.00 p.p.£3.00.VARICAP TUNERS: Grundig 8630 series £5.00 p.p. £1.00. U321, U322/NSF204, ELC1043 (2quiv), SC4, VHF NSF203 £7.80 p.p. £1.80. UHF/VHFUV4I 1 £10.80 p.p. £1.00.LOPTS New and guar. P/P £1.50, Bobbins 80p.

FERG., HMV, MARCONI, ULTRA1590,1591,1612,1613,1712 £4.80FERGUSON 3787 (Normende) £9.80THORN 1600, 1615, 1690, 1691, 1790 19.00

R.B.M.I20, T22R.B.M. T20,122 BobbinDECCA Bradford (state Mod No)DECCA 103

£9.80£5.60£8.80£8.80

THORN 3003/3500 SCAN, EHT £6.90 FIDELITY ZJC2000, 3000 (Not 22") £15.50THORN 8003 £12.80 series £10.60THORN 9000 to 9600 £9.80 rrrCVC 5 to 9, CVC20 £9.80THORN TX9 £12.50 CVC25, CVC30 series £8.80THORN TXIO £16.50 n-rCVC45 £9.80

SPECIAL OFFER PYE 725 (90°) 731 to 741 £9.20DECCA 70, 80 £3.50 PHILIPS G8 £8.80ITT VC300 £4.80 PHILIPS G9 £7.80GEC 21141/Junior Fineline £1.00 PHILIPS KT3 £9.80PHILIPS 320 £2.80 PHILIPS K30, K35 £27.00PHILIPS GI I £5.00 PHILIPS CTX-E £22.50GEC 2028, 2040, 2100 £1.00 PHILIPS CTX-S £22.50PYE 691-7 chassis type only £5.00

OTHERS AVAILABLE, PRICES ON REQUEST.

TRIPLERS: THORN 9000 £8.80.UNIVERSAL (best quality) £7.80.CONTINENTAL TV1C & BG RANGE (quote exact no.) replacements £13.80DECCA/TATUNG £7.80 p.p. £1.50.THORN 1500 30R5 stick £1.50 p.p. 80p. Others available.6.3V CRT Boost Transformers for Colour & Mono £5.90 p.p. £1.40.455 CRYSTALS for Remote Control Handsets. 4 for £1.00 p.p. 50p.VHF to UHF Converters £26.50 p.p. £2.50.

CALLERS WELCOME AT SHOP PREMISESTHOUSANDS OF ADDITIONAL ITEMS, ENQUIRIES INVITED

LARGE SELECTION TESTED COLOUR PANELS POPULAR MODELS

Goods available if in stock immediately over shop counter (Mail order between 3 days and1 week from receipt of order). ADD 'VAT 15%

Telephone 01-794 8751, 794 7346

MANOR SUPPLIES172 WEST END LANE, LONDON, NW6 1SD

PLEASE ADD VAT 15% TO ALL PRICES INCL P+P

COPYRIGHT© IPC Magazines Limited, 1989. Copyrightin all drawings, photographs and articlespublished in Television is fully protectedand reproduction or imitation in whole or inpart is expressly forbidden. All reasonableprecautions are taken by Television toensure that the advice and data given toreaders are reliable. We cannot howeverguarantee it and we cannot accept legalresponsibility for it. Prices are those currentas we go to press.

CORRESPONDENCEAll correspondence regarding advertise-ments should be addressed to theAdvertisement Manager, "Television",King's Reach Tower, Stamford Street,London SE1 9LS. Editorial correspondenceshould be addressed to "Television", IPCMagazines Ltd., King's Reach Tower,Stamford Street, London SE1 9LS.

INDEXESIndexes to Vols. 36 and 37 are available at80p each from the Editorial Office (addressabove).

SUBSCRIPTIONSAn annual subscription costs £18 in theUK, £21 overseas (by surface mail). Sendorders with payment to QuadrantSubscription Services Ltd., Oakfield House,Perrymount Road, Haywards Heath, Sussex,RH16 3DH.

BACK NUMBERSSubject to availability, copies of issuespublished during the last 12 months areavailable at £1.80 each from Television,Vouchcheck Services, Unit A6, PoplarBusiness Park, Prestons Road, London E149LR. Please make cheques/postal orderspayable to IPC Magazines Ltd.

QUERIESWe regret that we cannot answer technicalqueries over the telephone nor supplyservice sheets. We will endeavour to assistreaders who have queries relating to articlespublished in Television, but we cannot offeradvice on modifications to our publisheddesigns nor comment on alternative waysof using them. Correspondents shouldenclose a stamped addressed envelope.Requests for advice on dealing withservicing problems should be directed toour Queries Service. For details see ourregular feature "Service Bureau". Send tothe address given above (see"correspondence").

711M ERNMarch1989

Vol. 39, No. 5Issue 461

On sale February 15th

this month325 Leader326 Teletopics

News, comment and developments.328 Failure and Success

One has to admit defeat with some sets though thereare unexpected successes.

328 Book Reviews331 Servicing Compact Disc Players, Part 1

This initial instalment deals with disc parameters andthe way in which digital audio data is stored on the discand recovered by laser scanning, ending with a simpleblock diagram of the player.

334 Introduction to S -VHSThe way in which enhanced performance is obtainedwith the Super -VHS format and the techniques required inVCRs/camcorders.

335 Next Month in Television336 Letters

Les Lawry -Johns

Joe Cieszynski

Nick Beer

338 A Simple Channel 1 Modulator Jeffrey Borin, B.Sc. (Eng.),A.C.G.I., M.I.E.E.

A few simple modifications enable the h.f. modulator inthe Rediffusion translator unit., which is readily availableat very modest cost on the surplus market, to be usedas a Channel 1 modulator to drive 405 -line sets. The restof the translator can be modified to provide a high-class tuner giving audio and video outputs.

340 TV Fault FindingReports from Eugene Trundle, Mick Dutton, IanBowden, Philip Blundell, Eng. Tech., Alan Shaw, JohnCoombes, Roger Burchett and Hugh MacMullen.

342 Camcorder Servicing, Part 2 Steve Beeching, T.Eng.Operation of the Saticon camera tube and methods ofchecking for the no -signal condition.

345 The Pros and Cons of LocoScript 2 Vivian CapelAs a follow-up to his original article on wordprocessing with Amstrad machines using the LocoScriptprogram Vivian Capel describes the changes introducedwith the LocoScript 2 version and the effects of these inuse.

349 Compact Disc System Developments Peter Marlow, B.Sc. (Hons.),C.Eng.

Development of the system has produced the CD -Videoand CD -Interactive discs.

350 VCR ClinicReports from Philip Blundell, Eng. Tech., EugeneTrundle, Ian Bowden, Alfred Damp and Nick Beer

354 Dish Alignment by BBC ComputerA user-friendly program to enable the BBCmicrocomputer to be used to obtain the correct dishelevation and azimuth angles for various satellites,including Astra, at any location.

356 Long-distance Television Roger BunneyReports on DX conditions and reception and news fromabroad. Latest Astra channel allocations.

359 Service Bureau360 Test Case 315

OUR NEXT ISSUE DATED APRIL WILLBE PUBLISHED ON MARCH 15

J.T. Beaumont

TELEVISION MARCH 1989 313

P V TUBESTRADE

COUNTERHOW 70 Offiel

Up to 9 ADD 87p per order P+ P(U.K.). Heavier parcels e.g. cable,service aids, degausing coilsplease allow £2.50 P+P (U.K.).Export orders charged at cost.First Class Mai1 is used wheneverpossible. Add 15% VAT to totalexcept where it states zero rate.Bulkier items will be sent by carrier£7.50 -I- VAT up to 25K (excepttubes).We do not despatch on Saturdays.

WERE IS VAT ON P+P.

BOOKS AND MANUALS ARE ZERO V.A.T.Goods are despatched on the day we receive your order. Iffor any reason we are out of stock we will by to inform youas quickly as possible. We try our best to give a speedy,fair and efficient service. V.A.T. invoice on request. Giveus a ring - we'll give you service. Please ask if what youneed is not listed - we will try to help. Prices are subject tochange without notice. In some cases we may have tosupply an equivalent.We need expiry dates for credit card orders.

OPEN104 ABBEY STREET, ACCRINGTON, LANCS MON-SAT LAKLAycum

VISATel: 0254 36521/32611/390936 BB5 lEE. gam-5pmTelex: 635562 Griffin G (For P.V. New Fax No.Partners S. & B. Cucknell24hr. answering service 0254 395361

VIDEO SPARESWE ARE SOMETIMES ABLE TO SUPPLY TO TRADEONLY EX. RENTAL, WORKING VIDEO RECORDERS.PLEASE RING FOR PRICE AND AVAILABILITY.

AMSTRAD SPARES Please send large SAE(30p stamp) for ourcomplete catalogue

ORDERS WELCOME FROM

SCHOOLS, COLLEGE,

GOVERNMENT ESTABL.

VIDEO RECORDER W14600/52001750 Pinch Roller (also 4500) 3.75

Ger 4500) .

4.2512271226

Clear Hoalutchdso

(l 4500(also)

10.531231 RF Clutch 5.80

7593 Belt Kit 5.191981 Cass. Lamp (also 4500) "0VIDEO RECORDER VCR 7000MD150143 Dew Sensor 1.91MD150148 Loading Motor 6.02MD150293 Reel Break Unit 12.50MD150287 Video Head (Genuine)

Video Lamp 0.4540.00

1759 Pinch Roller 3.751059 Idler 1.807550 Belt Kit 1.451950 Cass. Lamp 0.45

VIDEO RECORDER VCR 90001758 Pinch Roller 3.751225 RF Clutch (also 4500) 4.001226 Clutch 4.251227 Gear Holder 10.531981 Cass. Led (also 4500) 1.007592 Belt Kit (also 4500) 3.25MD150821 Drive Belt 1.25MD150820 Main Belt 1.25

Video Head (PSFI) 25.80

SPECIAL PRICES ON 5+ MIX VIDEO HEADSREPLACEMENT VIDEO HEADS PLEASE ASK!AMSTRAD JVC NATIONAL PANASONIC

' 4500/5203/9000 HRD110 3HSSV 18.00 NV100 3HSSU1N 25.99PSF1 (VIP1000) 25.00 HRD111 3HSSV_..18.00 NV230 3HSSU2N . . 36.97

" 4600 PSF2 25.00 HRD120 3HSSV 18.00 NV250 3HSSU2N 36.977000 SHSSR 25.00 HRD121 3HSSV 18.00 NV270 3HSSU2N 36.97

AKAI HRD220 3HSSV 18.00 NV280 3HSSU2N 36.97

VS1 3HSSV 18.00HRD225 3HSSV 18.00 NV300 3HSSN 18.00 ,, HR2200 3HSSV 18.00 NV322 3HSSN ....................... 18.00

VS2 3HSSV.. ... ,1°.',," HR3300 3HSSV 18.00 NV330 3HSS3N 35.99VS3 3HSSV

.,1'....,"' HR3320 3HSSV 18.00 NV333 18.00VS5 3HSSV .r.-," HR3330 3HSSV 18.00 NV340 3HSSN 18.00VS10 3HSSV , HR3350 3HSSV 18.00 NV366 3HSS4NA 43.40VS77 3HSSV 18.00,: HR3360 3HSSV 18.00 NV370 3HSSU1N 25.99VS88 3HSSV '''''' HR3660 3HSSV 18.00 NV380 3HSSU1N 25.99V57100 3HSSV 18.00 HR3860 3HSSV 18.00 NV390 3HSSN 18.00V57200 3HSSV 18.00. ,,,, HR4000 3HSSV 18.00 NV450 3HSSU2N 36.97V59300 3HSSV 18.00 HR4100 3HSSV 18.00 NV470 3HSSU2N 36.97V59500 311551/

L"."..:, HR7200 3HSSV 18.00 NV480 3HSSU2N 36.97V59700 3HSSV '°"" HR7600 3HSSV 18.00 NV600 3HSS3N 35.99VS9800 3HSSV 18.00 HR7610 3HSSV 18.00 NV730 3HSS4NB 41.95FERGUSON HR7650 3HSSV ........ 18.00 NV777 3HSS3N . 35.993V00 3855V 18.00 HR7700 3HSSV 18.00 NV861 3HSSN 18.003V01 3HSSV 18.00 NV2000 3HSSN 18 00

SATELLITE TV

ARE YOU READY?

Please ring for prices on

Sakura RemoteControlled

Satellite Dish£215

We also have

SIGNAL STRENGTHMETERS

CABLES

WALLJCHIMNEYMOUNTS

COMPASSES

AND

INCLINOMETERS

YES REALLY!INCLINOMETERS!!

3V06 3HSSV 18.00 NV3000 3HSSN 18.003V16 3HSSV 1.8.L0 NEC NV7000 3HSSN .... 18.0031/22 3HSSV 16-06 P1/760 PS3BS 19.00 NV7200 3HSSN 18.003V23 3HSSV 18.00 pv26.4 PS3BS 10.00 NV7500 3HSSN 18.0031/24 3HSSV 18.00, PV774 PS3BS 1900. NV7800 3HSSN 18.003V29 3HSSV 6.66 N830 PS3BS 18.00 NV7850 3HSSN 18.003V30 3HSSV 18.00 N831 3HSSV 18.00 NV8170 3HSSN 18.003V31 3HSSV 18.00 N832 3HSSV 18.00 NV8200 3HSSN 18.003V35 3HSSV 18.00 N833 3HSSV 18.00 NV8400 3HSSN 18.0031/36 3HSSV 18.00 PV2300 PS3BS

24.0010.00 NV8600 3HSSN 18.00

31/42 3HSSVA PV2400 PS3BS 19.00 NV8620 3HSSN 18.003V43 3HSS4VD 49.0031/45/6 3HSSVA 24.00 SHARP3V47 3HSSVA 44.10047.

SONY110 3HSSSP 26.953V48 3HSS4VCVOG0016

3V52 3HSSVA 24.00 SLF1 PS4B2S 29.95 381 3HSSSP 26.95

8903 3HSSV 10.00 SLC5 PS3BS . 19.00 383 3HSSSP 26.95SLC6 PS3BS. 15.00 384 3HSSSP 26.95

HITACHI SLC7 19.00 385 3HSSSP .. . 26.95VT6500 3HSSHA 25.50 SLC8 PS5B3S 386 3HSSSP .. . 26.95VT7000 3HSSHA 25.50 SLC9 PS5B3S ..................... 39.95 387 3HSSSP 26.95VT8000 3HSSHA 25.50 PS4B2S. .................... 29.95 3HSSSP 26.951/78040 3HSSHA 25.50 24 PS4B2S 29.95 481 3HSSSP . 26.95VT8103 3HSSHA 25.50

SLC3OPS4B2S 2195 482 3HSSSP 26.95

VT8500 3HSSHA 25.50 SLC33 PS4B2S ................. 29.95 2000 3HSSSP . 26.95VT8700 3HSSHA 25.50 SLC4O PS4B2S 29.95 3300 3HSSSP 26.95VT9000E 3HSSHA .................... 25.50 SLT50 PS5B3S 39.99 9100 3HSSSP 26.95VT9300 3HSSHA 25,60 SLF60 PS5B3S 39.95 9300 3HSSSP 26.95VT9500S 3HSSHA 25.50 SLK95 PS5B3S 39.95 9400 3HSSSP 26.951/79700 3HSSHA 25.50 SL200 PS583S 39.95 9500 3HSSSP 26.95VT9900 3HSSHA 25.50 SL3000 PS3BS2 25.00 9600 3HSSSP 26.95VT4000 3HSSH 25.50 SL8000 PS3BS2 25.00 9700 3HSSSP 26.95VT4200 3HSSH 25.50 SL8000 PS3BS2 25.00VT5000 3HSSH 25.50 ALL REPLACEMENT HEADS ARE NEW1/15500 3HSSH 25.50 AND GUARANTEEDVT11E 3HSSHB ..... 25.50

SANYO/FISHERORION FVHP615 3HSSSF 35.00 GENUINE HEADSVH1 3HSSN 18.00 FVHP910 3HSSSF 35.00 Sony 89000B 49.39VH2 3HSSN ...................... 18.00 5000 PS3BSF 29.95 Sony SLC9 49.39

TOSHIBA Sharp 3300/9700 .55.00

V31 PS3BT 30.00 Toshiba 9600 (upper assy) .. _..14.50V33 PS3BT 30.00 PHILIPS Hitachi VT336 GEC 4004 35.62.,44

V55 3HSSV 18.00 DV462 3HSSU1N 25.99 Sanyo 9300/9435/9500 . ""."V57 3HSSV 18.00 6460 3HSSU1N 25.99 Philips V2000 64.00V5470 PS3BS2 25.00 6520 3HSSU1N 25.99 Philips1700 71.001/9600 PS3BT 30.00 2558 6462/3/4 6560 6660 45.00 Amstrad 7000 40.00

NAT. PANASONIC VIDEO SPARESVXP0243 'Play Idler NV8600/8610 1.10VXP0401 Idler Unit NV333/366 1.08VXP0344 Idler UnitNV7000/7200/7800 ..... .... 1.22VXP0331 idlerUnit NV3000 1.28V000141 Cam GearNV370/430/730/830/850 .. 1.00VXP0521 Idler Arm UnitNV370/430/830/850 4.08VXP0325 Loading GearNV333/2000/3000/7800 . 1.83VXP0520 Load Gear Unit 1.36

Action GearNV333/2000r3000 0.580060017 Interim GearNV333/20001000 0.62Direct Rep. Video Bulb 1.30VXP0433 Play Idler Unit NV333/336 5.50

IIMMEZEIIEM1220VCR GEC 4000H/HITACHI 8000Belt Counter :122) V6354241 0.63Belt Loading V6354921 0.58Belt Take-up 1239) V6354401 0.40Idler FF/RWD V6413663 2.68Lamp Tape Sensor V5762281 0.87Play Idler Assy V6414221 5.04Pressure Pinch Roller V6383762 6.96Pulley FF/RWD V63&3531 0.70Relay V5641204 3.42

VCR GEC V4100MITACHI VT11EBelt 312 V6355601 0.47Belt 313 V6355591 0.40Belt 317 V6357531 0.63Bett 318 V6355581 0.54Capstan Motor V5577355/6 29.94Clutch Assembly 8.47

SERVICE MANUALSGEC-V4004-VV333 9.69GEC-V4005H litachi-VT63 .... 6.43

VCR GEC 4301HN4002HHITACHI 9300/9500EBelt V6355291 ... 0.63Belt 289) V6355282 .. 0.63Belt ake-up (213) 1/6354231 0.40Capstan Motor V5577324 30.00Idler FF/Rewind V6861471 2.43Lamp Tape Sensor V5767131 0.65Play Idler Assy V6861482 5.02

Pulley FF/Revirnd V63451730.40Remote Control Handset V7084733 13.40

VCR GEC V4004/HITACHI VT33EBelt (302) V6355561 0.40FF/Rewind Arm V6886971 2.90(Gen. Hitachi idler)

SUNDRIESVertical Output ModuleGEC -C2286 Hitachi-CPT2226GEC -2067GEC -2069Y2370551 6.21

AMSTRAD*

MX100Midi/Audio System

LW -MW -FMTwin Cassette

£77.78 + VAT

CDX400CD/Midi SystemCD -Twin Decks

Graphic EqualiserLW -MW -FM

£155.20 + VAT

BELT KITS no. of beltsVK1 Akai V59300/9500/9803

JVC HR3300/3320/3330/3360TCE 6989/SVOO/SV16/SV22 7 2.40

1/112 Nat. Pan. NV70008/720013 5 1.45

..VX3 Sony SLC5/7 ......... . 6 2.25VX4 Sony SL8000.8500/86N 6 3.60VK5 Sony SL3000UB 7 2.10V66 Nat. Pan. NV3000B 6 1.99VK7 Sanyo 9303P 4 2.75VK8 Nat. Pan. NV200013 6 1.73VK9 Nat. Pan NV86008/8610M311 7 1.50VK10 Toshiba V8600 6 1.45VK11 Sharp VC7300 5 1.50

1,1K13 Sanyo VTC5000 2 1 50

TAKE UP IDLER ASSY/CLUTCH ASSYVHS (general purpose) Thom/JVC etc. q...Sharp 381/383186/9100/9300/9500

0005/GEZZ 2.20Sharp 0006/GEZZ

18581

VC,300/387/481/2/36/496/5816 2.20

Sanyo Reel Drive Pulley 143-0-66210202/T01282 610

Hitachi F/F Idler 6886971(UT11E/LfT33E) 2.90

Philips VHS Idler 4822 522 203 34482252878484 3.50

Fisher/Siemens 143-0-490400900 3.95Fisher/Siemens 143-0420400300/400 . 4.50Sanyo 5000 RLR.ASS 1430741T 20001 1.85

VCR6000Remote Control

VHS Video Recorder8 hour Long Play

£233.00 + VAT

TVR214" Remote TVNideo

£310.85 + VATWA Sanyo VTC5300 5 1.85VK15 JVC HR7650/3V31 3 2.001/K16 Hitachi 5000 1.90VK17 Sharp 8300 . 6 1.761/K18 Sharp 9300 5 1.47VK19 Hitachi VT8000/8300/8500 3 1.05

VK20 Hitachi VT11/33 6 1.50VI(21 Hitachi 9500 3 1.7(2

, ,.,VK22 Sony SLC6

36

..L1.1VK23 Sanyo 5500 1.05VK24 Nat. Pan. NV300/NV333 6 1.55VK25 Toshiba V7540 5 1.90VK26 JVC/FIR 7700/31/23 2 0.96VK27 Thom 31/29 4 1.75

PINCH ROLLERSAmstrad 450846006200/9000 3.76

Amstrad 7000 ... 3.76

Nat. Pan. NV7111 3,75Sanyo VTC9300NBS7000 ..3.75Sorry C7U7SL17 ...... .. 375JVC iCE3V00/01/06/16 3.75JVC 23/24 3,76JVC HR2200/33203330.3V22 3.75JVC 3660/1100/7700 3.75Akai VS9700 ... 3.75Hitachi VT5000 3.75Sharp VC63006500 3.75Sony T.0 General 3.75

TVR320" Remote TVNideo

£388.68 + VATSupplied bycarrier only

VIDEO LAMPSNat. Pan. VHS Bulb (also Sharp) 1.30General Purpose VHS Bulb ' 0.503V23 with Plug 1.593V29 with Plug 1.59Amstrad 7000. 0.45Amstrad 4500/4600/5200/9000 1.00Hitachi 9300/9500 0.65

VK28 Amstrad 71300 33.2551/K38 Amstrad 4500/9000

)1109 Amstrad 4600/5200 5.19VK29 Nat. Pan. NU777 4 1.00VIGO Sony T9 6 2.20VK31 Toshiba 9600 4 1.20

MOTORSVHS DnJm Motor . 25.50VHS Capstan Motor _.25.50Sanyo 5000 Reel Motor 12.95Sharp Reel Motor..

. 19.50

IDLER TYRES0. DIA I.DIA WIDTH

Sony 23.7 17.4 4.9 0.50Sony 24.2 18 5.1 0.50Hitachi 31.8 25 4.9 0.50Nat. Pan 37.0

.

29 3.9 0.52Nat. Pan. 31.2 25 3.1 0.56

Akai 26.0 20 3.9 0.50JVC 39.3 32.8 3.9 0.56JVC 33.0 23.9 4.0 0.56

VIDEO TAPESSKC E120 (VHS) 2.30

E180 (VHS) 2.45E240 (VHS) 3.45

Scotch E60 (VHS) 3.05E120 (VHS) 2.89E180 (VHS) 3.50L750 (BETA) 3.65

VK32 Sanyo 1100-1300-1500 4Si!VK33 Ferguson 3)/35-36 ....1/1(34 Ferguson 3042-3-4-5-8 0.901/1(35 Fisher FVHP710-716-722 1.20V1(36 Panasonic NV370-430 1.201/637 Hitachi 9300 0.85

VIDEO CAREVideo Cleaning Tape VHS a.nUniversal Copying Kit 7.50Head Cleaner 0.96Beta Eccentricity Gauge 57.92Chamois Cleaning Sticks 0.25

314 TELEVISION MARCH 1989

REMOTE HAND SETSAMSTRAD1VNideo - 01R -1-M01511910 15.00CTV 1409- MD1409221 15.00VCR 5200 -MD151175 17.00VCR 7000 - MD150583 10.00VCR 91X0- MD150878 10.00

DECCA80/100 Non-Txt US8511101 Series Non-Txt US 8513Tatung 145/150

FIDELITYCTV 20R/22R/140R4 Button 108876IS 500 12 Button FD09820Fl 4R 12 Button FD09156AVS 14 Button FD09111Txt 32 Button 108983

G.E.C.4001/Hitachi 9300 9.93GC56520831/C1404H-C1658H-108314 31.80GCA 512220/C1653 22.00GCA 512230/C2086H-C2087HGCA 514620/C2089H-C2090H IR8823 23.50

C2290H, C2889GCA 510710/C2C67H-1R8456 23.50GCA 510870/C2069-C2269H-1118877 27.50

GRUNDIGRTPO5NRC 10138-TP8-120-120E 13.50TTP06/1R107N-TP160-160E 13.50RTP07/1R380N - TP203-300-390 13.50RTP2ONRC112- TP16-21-21VHR 13.50RTP400/4011R401 - TP400VT-500VT 13.50VAC 204 U.S. -TP12 13.50IR 8613 TXT. -TP400TT 13.50

GRANADAUniversal IR8450 16.50

I.T.T.CVC 32- RG15-US8573CVC 45- RG5-US8262RG 305- With Mute 108649RG 306 -With Fne Tune 1R8650

TP 84,3/Txt 10170

PHILIPSG11 Th1108435/10170/1343G11 TA US 31 Button

691-17181 29.42Gll Non Txt US 8263 21.50G112 Function US 8518 16.75KT3/K30 Non Txt1R8331 15.85KT3/K30 Txt Ir8420 17.90KT3/K30/1435/K40 TxVNon Txt(Replaces RC5 Series) 13.95

SONYSLC5 - RM 75TSLC6- RM 72SLC7 - RMT 200SLC9 - RMT 213

THORWFERGHSON TV REMOTESThe following TV remotes are exact replacements for Thom setsand cover a wide range of chassis inc. TX9/10 90/100. Please statemodel number of set or original hand set number.

Order

19.5023.5017.50

13.7513.8113.8113.7515.90

25.0025.0029.0422.65

13.50

13.50

29.0422.6249.8745.00

Type Type

1651 M739 All OneT652 M738 Price SAME DAY DESPATCHT653 M737 FAST - FAIR - EFFICIENT17161717

M737M737

13.00 SERVICE

T7181719

US8517M737

JUST ASK!!

1720 M739 We cannot advertise our

1721 M737 complete range of products.

1723 M737 Please ask If you require

1724 M739 something which is not listed,

1725 M750 ie: Stationery, Styli, Axial/

1731 M738 Radial Electrolytics, Mixed

1732 M739 Dialectnc Caps.. Polyester

T733 M738 Caps.. Carbon Resistors,

T734 M734 Wirewound Resistors,

1736 M739 Filament Lamps, Themastors,

T737 M737 LEDs, IC Sockets, Floppy

1738 M738 Discs, Computer Cassettes,

1739 M739 Thom New Life Tubes

1740 M740 (collection only), New Mono

1742 M742 Tubes. Crystals. Cables (post

1748 M748 charges extra), Aenal

1750 M750 Equipment, Electrical Plugs/

T769 M739 Sockets, Components for

T770 M739 Sinclair, Amstrad Security

T772 M742 Products, Satellite Dishes and

T773 M740 Accessones E80.62.

7775 M739778 M738

THORN VIDEO REMOTES3V231. R. 8817 14.953V31 I. R. 8945 14.953V35 I. R. 8946 14.953V43 I. R. 8947 19.12

P.R.C. 5000Programmable remote control unit will operate most infra -redequipment 52.95

REMOTE REPAIR KITSIncludes Foil/Buttons/Inst.KT3/K30 Without TA 8.95KT3/K30 With Tx/ 8.95RC 5352 Range 9.25

REMOTE CONTROL TESTER 29.24

MAGIC MIRRORSa new device which tests infra red equipment 8.00

AERIAL EQUIPMENTGENERAL LASHING KRS/ACCESSORIES

LABGEARCM7261 P.0 12.39

6" Pressed Bracket6" Bracket with Kit (lashing kit)9" Welded Bracket Chimney

0.862.182.53

CM7262 P.0CM7065 UHF/VHF WBCM7066 UHF/WDU47260 VHF H. Gain A/B/CD

13.5016.1814.7417.57

9" Bracket with Kit 2.90 CW17253 Behind Set (Mains) 15.81Double Brackets 2.77 C147243 Second Set Amp 14.73Double Brackets with Kit 5.29 CM7093 Three set Amp 18.5513, 5" Cradle Bracket 2.25 CM7063 Dist. Amp VHF/UHF 25.77

13, 5" Cradle Bracket with KitStandard Repair PackDouble Repair Pack (2)

4.251.272.56

CM7108/7298 8+1 Dist. AmpCM9700 27MHz CB SuppressorCM6011 Outdoor SplitterCM9003/00 Flush Sing. Outlet

49.964.908.631.95

Corner Plates 0.08 CM9003/01 Flush Sing. Oil. Isola/ 2.36Lashing Wire 0.85 CM9010 Flush Twin Outlet 2.47Lead Wall Nails (100) 6.17 CM9034 UHF Filters AilltD 8.89Rawlbolts 0.60 CM9033 6 Way Pass Spirt 11.72

Cable Clips (Pk. 100)Coax PlugsCoax Plug Female

0.91

0.180.75

CM7042 TV Games CombinerCM9009 Flush TV/FM EmulatorCM9006 VHF/UHF DiplexerCM7122 Televerta Up VHF to UHF

3.243.884.17

41.90Line Connectors 0.16 CM7057 Televerta Down UHENHE 49.70Attenuators 1.80Tape Sm 0.32 Lg 0.60 C417294 Dist. Amp, UHENFIF 24.96Wood Screws 0.08 CM7274 4 Way Dist. Amp 26.15

WALL BRACKETSCM7082 UHF/VHF Dist. ArnoCM7080/10 UHF MHA

74.1416.89

6" Welded 1.30 CM7271 UHF Wideband 15 db 9.0912" T&K 3.74 CM5004 4way Video Dist. Amp 60.209" Welded 2.41

Gutter Brackets 1.00 AN T IF E R EN C E

18" T&K 4.65 Universal No. 1 Clamp 1.3024" T8K 5.35 S811 Splitter 2.50

CLAMPSCS200 Combiner/SplitterC0811 Outlet

3.940.96

1" x 1"x2

0.851.33

PU1240 Power UnitPU1300 MHA

11.659.09

1"U Bolts 0.20 Ciplexers 0.68J Bolts 0.20 Matched Transformer 2.83

1.25 U Botts2"U Bolts

0.200.28

XS2 XtrasetXS04 4 Way DAXS 4/6

14.4622.5043.13

UHF TV AERIALS Super Set Top Aerial 6.5010 Element State Group A, B, CD, WB 2.14 Caratenna Aerial 7.2018 Element 3.43 Traveller Aerial 11.50

DIY Aerial Pack10 Ele, 311 Mast, Coax Fittings 9.50

Silver Sensor AerialXGB High Gain AerialPower Sensor Aerial with Amp

7.4021.0024.95

VHF/FM AERIALS Mercury Set Top Aerial 2.303 Element 6.70 Loop Aenals 1.00

4 Element 8.03 Coax Gable 5540100m 33.70

Omni Directional (Round) 8.93TELESCOPIC 'AERIALS

MASTS Toshiba Closed Length 206mm 1.553 ft Crank L or S Shape 1.20 Toshiba 330m 1.55Eft 1" 1.79 NEC 252mm 1.8810 ft 1.5" 7.00 Panasonic 330mn 1.881261.5" 8.50 NC 195mm 1.67

16 ft 2" 14.41 Sanyo 150mmSanyo 65mm

1.741.62

BACK BOXES Sony 235mm 2.18Plastic Single 0.68 Sony 160mm 1.55Plastic Double 1.09 Hitachi 237mm 1.55

Metal SingleMetal Double

0.450.88

Hitachi 300mmAiwa 65mmAiwa 135mm

1.671.321.26

OUTLET BOXES Sharp AANTR00017CEZI 245mm 2.17Surface Single 0.80 Sharp AANTR00330CE 245mm 1.62Surface TwinY SplitterFlush Single

1.100.850.95

F.M. RIBBON AERIALSRibbon with FM plugRibbon with Coax plug

0.680.90

Flush Twin 1.20

LEADS ELECTRICAL PLUGS SOCKETS2M Fly M 0.60 Safe Block Mains 8.502M Fly MI4M Fly MM

600, ,, FC3W 3 Pin 10A Flex ConnectorTS1 13A Single Trailing Socket

1.501.40

10M Fly0

TS2 13A Twin Trailing Socket 2.65FIG. 8 Mains LeadsComputer to TV 1 10

4 Way 13A Mains Connector13Amp Flues

6.750.48

5 Pin Din to 5 Pin DinTA81 Car Battery Thom 1691TA51 Car Battery Thom 1615Car Battery Philips

'41;,3.n.2

Surge Protector Plug320A Single Gang 13A Socket320B Single Switched 13A Socket3200 Two Gang 13A Socket

12.501 301.952.53

Scan Leads 2M (Open End)Scart Plugs

.t.gy 320D Two Gang Switched 13A SocketInternational Travel Plt,g

3.923.50

Scarf SocketsScarf to Scart LeadScart Lead Kit

;,P,I: 320E One Gang/One Way Switches2.!; 320G Two Gang/Two Way Switches4.:42 3 Way Mains Adaptor

0.801.783.80

Test Lead Kit 4.45 13 Amp Screwless Plug Tops 0.70

CABLESAntiference Coax 100m S540 33.70 COMPUTER ACCESSORIES75R Coax Cable 13.50 DISKS75R Coax Cable 250m) .. 32.75 Goldstar 5.25" Floppy Disks4 Core Security ble6 Core Security Cable 100m

5.557.94

2DD OS/OD (Box 10)Goldstar 31/2" Diskettes

5.66

8 Core Security Cable 100m 10.31 HF 2DD DS/DO (Box 10) 8.304 Core Telephone Cable (100m) 9.99 Unbranded 392" Diskettes6 Core Telephone Cable (103m) 13.28 DS/DD (Box 10) 7.703402 3 Core Round 13amp 28.21 Amstrad 3" Disks .. 20.003162 3 Core Round 3amp 15.75

((100m2242 2 Core Round Same 100m 15.47 STORAGE BOXES4 Core Flat Cable (100m) 20.82 31/2" Library Case (10) 1.95Twin Core Cable Screened (100m) 11.50 Lockable Box Holds6491X Earth Cable Green/Yellow 140 x 31/21 (20 x 3"; 8.50

Isqmm (100m) 7.00 51/4 Disk Box 9.3746199 Single Screened

Microphone (100m) 5.35 COMPUTER CASSETTESF041 2mm Loudspeaker Goole r 100m) 5.53 C15 . 0.30CCPU2 Twin Pick Up 1013m 9.95 C20 . 0.3481C 8 Core Ivory - All Cores Special Prices on 20 or more

Colour Coded (100m) 4.003183Y 3 Core 15amp opt 3kw AUDIO CASSETTES

Flexible 1.5 sq mm 49.70 Altai C90 0.253183Y 3 Core Mame upto 2kw TDK 060 0.70

Flexible 1.0 sq mm 36.40 TDK D90 0.906491X Earth Green/Yellow 6mm 39.606181Y Lighting Red/Grey 1mm 14.50 AUDIO SPARES6242Y Grey Lighting

Twin/Earth 1mm6242Y Grey Ring Main 2.5 Mil

21.0038.20

CASSETTE HEADSMono/Record/Playback...

Stereo Playback4.324.79

CABLE TIES Stereo/Record/Flayhack 4.99Stereo/Record/Playttack/Do1byMono/Stereo/Erase

6.902.25

Up to 25mm Dom (103)Up to 55mm Diam. (100)

0.842.11

TV WALL BRACKETS MOTORSP5245 Teletwist (12,201P6045 Designer Twister

24.1627.09

6v M06515 Clockwise)9v M06516 Clockwise

4.954.95

P6041 Little TwisterP5218 Swivel and Titt Bracket

14.0024.67

9v Anti Clockwise)12v MD1251 (Clockwise)

4 954 95

12v (Anti Clockwise) 4.95

Haan or builder Items such as cable will be sent by ovemigMcarrier al E7.50 + VAT EXPORT ORDERS WELCOME

INTEGRATED CIRCUITSCOMPUTER IC'S/TRANS40028 13.45HAL16L8CN 5.24HN613128P POALM1889 1.75MAB8049 3.49MC1377 1.55MC1376 1.15MCI 488P 0.75MC1489AP 0.77MC68008 17.97ZX81 Rom 4.00Spec 48K Rom 5.00U2C210E 13481 3.95Spec 128K+2 Rom 6.51OL Rom 256K 12.43OL Rom 128K 7.20SCH92880P I/F 1 Rom 3.00TC74HCO4 0.86TMS1000 8.95TMM23128P-1951 10.66ULA6C001E (Spec) 6.50ULA2G007 (WO) 3.24ULA1H035E (Ram Pk) 2.58ULAZX8302 COL) . 7.30Z80A CPU 1.70ZX8401/PCF1304 4.50207400E 11.2520RA043 11.25SN7438N 2.0074LS00 1.1274LS32 0.9074LS157 0.7874LS132 0.6374LS260 0.83Ram 2114 2.31251641-02 P062732 3.302764 3.7527128 4.9527256 .. 5.90Ram 4118 2.92Ram 4116-4 1.10Ram 4116-2 1.108249 3.008247 3.508271 60.00BBC UlD ULA 15.004164/4564-15 2.0041256-15 8.956502 Commodore 3.506522 4.006264 Commodore 7.506510 Commodore 7.076526 Commodore 5.116561 Commodore 7.746569 Commodore 21.256581 Commodore 7.798360 Commodore 19.618501 Commodore ....._..4.188701 Commodore 5.46906114 Pia. Comm. 4.51901225 Cha. Rom. Comm 3.37901226 Bas. Rom. Comm 8.71901227 Ker. Rom. Comm. 6.63ZTX182/BC182 0.07ZTX213 0.15ITX214 0.17Z11(313 0.24ZTX510 0.39ZTX551 0.39ZTX650/1 0.27ITX750 .0.38IS 2472 0.31

We have not listed our full rangeIC's. These are a few of our newtypes. Please ask for catalogue

for lull list of ICs and Semis.

AN5620 4.87AN6320N 2.88LA7800 3.75STK5326 6.35STK5481 6.50STR5412 8.45STR6020 5.80TAD100. 2.62TBA6730 2.50TBA2800 1.60TDA1670 3.60TDA1870 6.46TDA2005 2.94TDA2150 2.47TDA3565 3.95TDA3576B 3.99TDA3651 .... 3.50TDA3651A0 3.95TDA3653A0 3.95TDA3654 3.95UPC577 2.46UPC1378 2.50UPC5743 3.75UPD8048 0.93

DON'T FORGET WE HAVE AFULL RANGE OF SECURITY

PRODUCTS INCLUDINGNEW CASTLE CONTROL

PANELS.ASK FOR CATALOGUE

P.V. TUBES

TEL: 0254

36521 24 hour32611 answer390936 phone

TELEX: 635562

GRIFFIN G (for P.V.)

FAX No. 0254 395361


HOW TO INCREASE YOUR PROFITS, IMPROVE YOUR SERVICE, WITH COST EFFECTIVE TEST EQUIPMENT.

HAMEG OSCILLOSCOPESHAMEG are Europe's top selling DUAL TRACE OSCILLOSCOPES. Select from four superb models. All, withthe exception of the HM 1005, incorporates a useful COMPONENT TESTER. Size - all models - 285mm x145mm x 380mm Clear display 8 x 10cm Mains supply 110 125 220 240V AC 50 60Hz

All supplied with 2 PROBES, a COMPREHENSIVE MANUAL and a 2 YEAR WARRANTY.

HM203-6 20MHz STANDARD

Price £314.00 + £47.10 V.A.T.

SPECIFICATION*2 Channels*Bandwidth: DC-20MHz Sens: Chi., Ch2., 2mV(cm* Timebase 0.2s-20msicmi*Triggering: DC-40MHz* Active TV -Sync -Separator* Variable hold -off* Tngger LED indicator Calibrator: 1KHz Square wave

Component tester* Plus many features

FREE Securicor Delivery

SPECIFICATION*2 Channels*Bandwidth: DC-60MHz* Sens: Chi., Ch2., 1mVicm Timebase: 2.5s-5ns/cm* Tnggenng: DC-80MHz* Active TV -Sync -Separator* After delay tngger* Sweep delay * Delay line* Trigger LED indicator* Calibrator: 1KHz & 1MHz Sq. Wave Component tester* Plus many more superb features

Price £575.00 + £86.25 V.A.T.

HM604 60MHz UNIVERSAL

Aint2MMEgg=k0'FREE Securicor Delivery

HM1005 100MHz UNIVERSAL

4> 74

4 4

f " 4

Price £726.00 + £108.90 V.A.T.

3 CHANNELS -UP TO 6 TRACESSPECIFICATION*3 Channels* Bandwidth: DC-100MHz

Sens: Chl Ch2., Ch3., 1mVicrn Timebase A: 2.5s-5ns cm* Timebase 0.25-5nsicm Triggenng, DC-130MHz* After delay trigger * Delay line* Tngger LED indicator Overescan LED indicator* Active TV -Sync -Separator Calibrator 1KHz & 1MHz Sq. Wave Plus many more excellent features


SPECIFICATION* Digital Storage* Analogue real time (Same as 203-6)*Bandwidth: DC-20MHz* Sans: Ch1., Ch2 , 2mV/cm* Timebase Analogue: 0.2s-20nacm* Timebase 5s-2µs/cm Tnggenng DC-40MHz* Active TV -Sync -Separator* Max sampling rate: 2x 5MHz Memory: 2x1024x8 Bit* Dot joiner Printer/plotter output* Component tester Plus many more useful features

Price £527.00 + £79.05 V.A.T.

HM205-2 20MHz DIGITAL STORAGE


B & K PRECISION CRT ANALYSER -RESTORERThe number one CRT Test Instrument. Over 5000 U.K. Television engineerswouldn't be without it. All CRT's checked identically including all in -line and one gun types Tests all three guns of colour CRTssimultaneously under actual operating conditions (model 467) Exclusive multiplex technique (model 4671 Measures true dynamic beam current that actually passes through G1 aperture to screen Measures allshorts and leaks - preserving more CRT's ' Tests focus electrodes lead continuity finding faults that otherTesters miss Uses most powerful restoration method known with minimum danger to CRT *

Rejuvenated CRT's guarameed as new for two years Obsolescence proof: Perpetual set up chart up -datedand new adaptors development Tests and rejuvenates VDU's and Oscilloscope tubes A range of over 40CRT base adaptors available Increases profit Pays for itself in months.PRICESModel 467 Tri-dynamic three meter instrument Inc. 6 common adaptors £395.00 + £59.25 V.A.T.Without adaptors £344.00 + £51.60 V.A.T.Model 470 Single meter instrument Inc. 6 common adaptors £294.00 + £44.10 VAT.Without adaptors £244.00 + £36.60 V.A.T.Technical leaflets available. GET INTO PROFIT NOW!

SADELTA FIELD STRENGTH METER TC-402THE SADELTA FIELD STRENGTH METER TC-402 has been designed to measure thesignal levels delivered by the antenna to a TV or FM receiver, in order to test the performanceof the antenna and eva uate the best conditions during installation etc. To facilitatemeasurements, the tuning frequency readout is shown on a digital display.

FEATURES* Covering FM and all TV bands

(UHFNHF) including CAN freq.* Digital tuning display (3 digits)

for direct frequency readout.* Accurate 10 turn tuning

potentiometer.* Built-in loudspeaker enables

monitoring of sound in AM/FM.* Meter measurement in voltage

and dB from 20µV (26dB/µV).* Continuity tester 0-500 ohms.* Fully portable (battery).* Sturdy carry case.

Price £249.00 + £37.35 V.A.T.

B.K.'s CRT TESTER -REJUVENATOR

Tests and rejuvenates blue, green &red guns separately. Fitted with delta andP.I.L. sockets. Compact size 120 x65 x60mm. Supply 240V AC

Price £32.00 + £4.80 V.A.T.

SADELTA COLOUR PATTERN GENERATORSTHE SADELTA RANGE OF HAND HELD COLOUR PATTERN GENERATORS is intendedfor use in production installation and sennce of both colour and monochrome TV sets. vdeoand computer monitors. In order to control and adjust the various parameters eruht swrtchablepatterns are prooded. The technician has ready access to Laboratory, workshop and held useas the benerator hasbeen designed using the latest micro -technology to achieve truly pocketsize instruments. Internal re -chargeable NeCd's Supplied with 9V power supply charger.See 13Imm kalmm 23mrn

T.V. PATTERN GENERATOR PAL MC11B UK Band IV (21 -34) 0/Put 10mV into 75ohms* Band III (5-12) Sound output PAL I.

Price £124.95 + £18.74 VA.T.

PAL VIDEO COMPOSITE GENERATOR PAL B G.I Audio 0/Put 1 OmV 0/Put 1V p.p. ei 75ohms Switching 12V 4K7ohms

Price £124.95 + £18.74 VA.T.

SECAM VIDEO COMPOSITE GENERATOR SECAM B.G.D.K.L. . Aucto 0/Put 10mV 0/Put 1V p.p. di) 75ohms Switching 12V (a 4K7ohms

Price £124.95 + £18.74 VA.T.

R.G.B. PATTERN GENERATOR 0/Put sigs. Pos.RGB

Neg. Composite 0/Put TTL 5V P -P* Blank Pulse etc. CCIR

Price £111.95 + £16.79 VA.T.

B.K.'s REVOLUTIONARY DYNAMIC 'LOPT' TESTERRevolutionary L.O.P.T. tester. Operatesin dynamic mode which actually tests theL.O.P.T. under high voltage conditionswithout de -soldering or removal.Size 75x100 x40 mm. Supply 240V AC

Price £25.99 + £3.90 V.A.T.74'1

THANDAR SC110A PORTABLE OSCILLOSCOPE Full trig fac. inc. TV f rame etc. Only 2 174" thick Battery or mains adaptor Fits in a brief case Size 255mm x 148mm x 50mm Sens. 1 OmV ACCESSORIES Bandwidth 10MHz Carry Case 06.25 + £0.93 V.A.T.

Probe £7.50 + £1.30 V.A.T.Mains Adaptor E7.30 + 21 .09 V.A.T.Price £195.00 + £29.25 V.A.T.

DIGITAL LCR METER

LCD Display* 18 Ranges* Inductance 1 pH - 2H* Capacitance 1 pf - 200pf* Resistance 1 ohm- 20Mohm* High acuracy

Price £95.00 + £14.25 V.A.T.

SARCLAIKARD

LAN]INSULATION TESTER 500V

* Electropc battery, operated

Measunng Voltage500V DCmeasunng Range

pEri 0-100Mohm* Centre scale 2Mohm

Price £65.00 + £9.75 V.A.T.

U.K. POST PAID, export enquInes welcome. V.sa Access or cheque withorder, payable B.K Electronics. Ofical Orders welcome from Govt. DeptsColleges. P.L.C.'s etc. Large S.A.E. for technical leaflets of complete range.Delivery normally within seven days.

DIGITAL THERMOMETER* Pocket Size* -50°C to 4- 750°C

1°C Resolution* 0.5" LCD* Supplied with

thermocouple

Price £59.50 + £8.92 V.A.T.

200MHz DIG. FREO. METER* Pocket Size* 8 Dig. LED

Display* Freq. Range

20Hz to 200MHz* Resolution 0.1 Hz* Sensitivity 10mV

Price £75.50 + £11.32 VA.T.

DIGITAL CAPACITANCE METER PRICE* High Accuracy * 8 Ranges £38.00* 0-1pf-2,000µf * Accuracy ±0-5% + £5.70 VAT* LCD display * Full scale ±1 digit Case Included

The THANDAR TP1 LOGIC PROBE and TP2 LOGICPULSER are effective and economical tools for checkingboth TTL and CMOS circuits. TP1 can show 14 differentcircuit conditions and can detect pulses down to typicallylOns. TP2 can inject a signal directly into a circuit without

Price f -23-e0 damaging sensitive components. Together they can+ £3.45 V.A.T. stimulate and monitor responses of components 'in

each circuit', greatly aiding fault finding.

B. K. E DEPT. TUNIT 5, COMET WAY, SOUTHEND-ON-SEA,

X. R T L: 0 s -

TELEVISION MARCH 1989

ALL YOUR CCTV REQUIREMENTSCCTV CAMERAS SEQUENTIAL VIDEO SWITCHERS CAMERA C' MOUNT LENSES10 Lux CCD 180 Line £230.00 2 Camera Auto Switcher £55.33 1,2" 12mm .1A No Ins £21.49CCD2 Camera 0.3 Lux £356.25 4 Camera Autc Switcher £72.50 1,,Y' 12mm P1.4 Focus & Ins £52.97CCD Camera Auto Iris Adaptor £20.53 6 Camera Autc Switcher £81.25 1/2" 6mm F1.4 Focus & Iris £60.78CCD Camera Power Supply £25.66 8 Camera Auto Switcher £89.002 Lux 240V AC Vidicon CameraDummy Camera

£119.44£25.66

12 Camera Auto Switcher4 Camera Auto/SW. Looping/Bridging8 Camera Auto/SW. Looping/Bridging

£115.00£93.75

f131.25

2/3" LENSES12.5-100mm F2 8:1 Manual Zoom £259.89

CAMERA HOUSINGS 4 Camera Auto/SW. DigitalOidging £150.00 12.5-75mm F1.6 6:1 Manual Zoom £153.94

Outdoor Housings 240V AC £115.99 8 Camera Auto/SW. DigitaVBridging £156.25 18-108mrr F2.5 6:1 Manual Zoom £309.87

Outdoor Housings 24V AC £133.31 11-110mm F1.8 10:1 Manual Zoom £534.78

340mm Indoor Painted Housing £32.50 ALARMED AND SPECIALS 4.0mm Fl 4 Focus & Iris £126.25340mm Indoor Stainless Housing £48.75 Alarmed 8 Way 8 Zone £437.50 4.8mm F1.8 Focus & Iris £91.25370mm Indoor Painted Housing £28.75 Quad 4 Way Compressor Alarmed £698.75 6.0mm F1.8 Focus & Iris £90.00370mm Indoor Stainless Housing £49.37 6.5mm F1.4 Fixed Prism £149.94

1000 UNE METAL CASED MONITORS9" Bleak/White Monitor

12" Black/White Monitor£87.49£99.99

VIDEO TIME AND DATE GENERATORTime and Date GeneratorTime/Date/Message/Stop Watch

£146.25£134.25

8.0mm F1.4 No Iris8.0mm Ft3 Focus & Iris16.0mm No Ins-6.0mm F1.6 Focus & Ins

£37.49£49.47£19.19£41.49

PAN & TILTS BRACKETS

240V Outdoor Unit with Cent/Box £406.25 Short Camera Bradort £8.61 AUTO IRIS & PINHOLE LENSESAs above but 24V AC24V Indoor Unit with Cont/BoxAs above but 24V AC

INDOOR PANNING UNITSFixed Sweep Scanner240V Indoor Panning UnitAs above but 24V AC1 Camera 240V Panning Cont/Box

£437.50£218.75£218.75

£24.07£66.87£66.87£36.25

Long Camera Bracket90 Degree Camera BracketCamera Scanner MountCamera Scanner U -Hinge MountPan & Tilt Corner BracketPan & Tat Flat Comer Adaptor

VIDEO AMPUFIERS240V Camera Amplifier

£8.61£8.61£8.61

£15.33£56.25£10.00

£36.12

8.5mm F1.3 Auto Ins16.0mm Auto Iris9.0mm Fa5 Pinhole with IrisAs above but Right Angle3.0mm F3.5 Auto Iris PinholeAs above but Right Angle11.0mm Short Pinhole with IrisW/A Autc Iris Attachment

£137.50£13625£207.50£267.50£374.99£449.99£132.50£65.00

As above but 24V AC £36.25 240V Camera Distribution Amplifier £57.81 Special 2x Range Extender £50.00

5 Camera 240V Panning Cont/Box £90.00 24V Camera Amplifier £36.12 Special Extension Tube Kit £27.50

As above but 24V AC £90.00 24V Camera Amplifier PCB £23.62 Camera Lens Sizing Viewer f131.25

IF IT'S CCTV - WE CAN SUPPLY IT THIS IS JUST A SMALL SELECTION OF OUR STOCK ITEMS

Crofton Creates Terrific- ValueORDER YOUR REQUIREMENTS TODAY BY PHONING 05448 557 NOW - WE ACCEPT ALL MAJOR CREDIT CARDS

CROFTON ELECTRONICS, KINGSHILL HOUSE, LYONSHALL, HEREFORDSHIRE HR5 3HZ FAX: 05448 558

ON SPECIAL OFFER - HIGH RESOLUTION COLOUR MONITOR (0.31) FOR MOST MICROS - INCLUDING ATARI AND AMIGA - RING FOR DETAILS

REFURBISHED EQUIPMENT OFTEN AVAILABLE. ALL THE ABOVE PRICES ARE SUBJECT TO VAT & CARRIAGE

DECCA ITT TELTECH

TELTECHQUALITY EX -RENTAL

TV & VIDEOLU NON WORKING WORKING>-a_ G11 £12.00 £20.00 KT3 K30 £25.00 £40.00

GEC STAR £15.00 £25.00

z

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TELETEXT FROM ONLYE25COLOUR PORTABLES

FROM ONLY £30WHAT YOU DONT BUYYOUR COMPETITORS

WILL!

OLDER poTV's E.0

CALL BRIAN ON THE HOTLINE

051-5254529LWL 11A FAZAKERLEY ROAD,

POOL 9O (BY WALTON HOSPITAL)

>- 20 MINS M57 - 30 MINS M62ol ALL PRICES EXCLUDE V.A.T.

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MAKE YOUR INTERESTS PAY!!Train at home for one of these Career OpportunitiesMore than 8 million students throughout the world havefound it worth their wh le! An ICS home -study course canhelp you get a better Job, make more money and havemore fun out of life! ICS has over 90 years experience inhome -study courses arid is the largest correspondenceschool in the world. You learn at your own pace, when andwhere you want under the guidance of expert 'personal'tutors. Find out how we can help YOU. Post or phone todayfor your FREE INFORMATION PACK on the course of yourchoice. (Tick one box orly!)

Electronics Radio, Audio &TV Servicing

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International Correspondence Schools,Dept. EGS39, 312/314 High St., Sutton, SurreySM1 1PR. Tel: 01-643 9568 or 041-221 2926(both 24 hours).


WE WILL ONLY SUPPLY TOPQUALITY, BRANDED COMPONENTS.

REPUTATION COUNTS WITH US

COMPUTER SPARES4116-2 1.00

4532/20NL3 2.50

4532/20NKL4 2.506510 5.656526 4.956561 7.956581 7.70LM1889 2.45UIA6C001 795ZlX213 30

ZTX313 30ZTX650 40TWA CPU 1.15

INTEGRATEDCIRCUITS

TYPE PRICE If)AN303 3.75AN305 3.50AN318 6.959.05620 4.95AN7116 2.10AN7145M 2.95HA1339A 2.95HA1366W 13

DIODESTYPE PRICEBY127 10BYI33 25

BY164 60BY179 65BY223 125BY227 20BY229/800 95BY299/800 25BYX55/600 30SKE5F3/10 1.451N4001-7 071N5401-8 18

HA1366WR 115HA1374 2.45HA1377

HA1391

2.952.95195

HA1392

HA13001 433HA13008 17..95

LA1201 125LA1230LA1365

2_95

2.45LA4440 275

E.H.T. TRAYSContinental Inc. Focus 8.95DECCA 80 720DECCA 100 7.35DECCA 120/130 7.95ITT CVC20/30 6.95ITT CVC45 730PHILIPS G81550) 750PHIUPS KT3 7.95RBM T20/112A 735THORN 85E0/8800 73THORN 9000 8.00UNIVERSAL 5.70

LA4445 2.45LA4460 245LA4461 2.45LA7800 155LA7801 290MC13002 195MC14497P 4.50SAA1250 3.85SAA1251

SAA5000A

495

195S443027 195

SAA5010 49559.9.5012 4.95SAA5030 5.955445050 6.95

SAF1039P 2.75

FUSES20mm A/S: IPIcts of 10)250MA, 315MA, 400MA,500MA, 630MA, 800MA,1A, 1.25A, 1.6A 2A, 2.543.15A, 4A, 5A, 6.3A8A 12020mm 0/13: Olds of 10)500MA 630MA, 800MA. 1A.1.6A 2A 2.59., 3.15A 60

G.G.L.COMPONENTSPO BOX 72, UNIT 7, SOUTH JOHN STREET,, CARLISLE, CUMBRIA CA2 5ALPHONE (0228) 39693/20358 FAX (0228) 515127

SL470/1DP 295SL480 2.85SL490 2-10SL1430 195SL1431 1.95SL1432 1.75

SN76660N

STK077 6.95STA471C 6.95

STK2129 1195STK433 595STK4332 595STK435 595STK437 195STK439 790

STK461855995

STK459

STK463 9.95STK465 11.95

FERGUSON TV SPARESTX9/10Focus Unit TX10 850Line 0/P Trans TX9 23.50

Line 0/P Trans TX10 1195On/Off Switch (Remote) 195Push Button TX9 16.95

Push Button TXI 0 16.95

RFI Choke TX9 296Tuner 14.95

TX90/00Line 0/P Trans 1X9014" 19.75

Line 0/P Trans 1X9020' 19.75

Line 0/P Trans 1X10090' 1995Line 0/P Trans 1X100110° 20.95Mains Trans. (1X90) 1795On/CIff Switch (Remote) 1.75Push Button 1X90 12.95

Tuner 14.35

FERGUSONVIDEO SPARES

39001622Capstan Motor 2495Drum Motor 24.95Pinch Roller 355Take -Up Clutch (Small) 5.65Take -Up Clutch (Large) 595Video Head 1735

3V28/30

Capstan Motor 37.95Loading Motor 8.70Pinch Roller 4.50

Pilot Lamp ao

Reel Idler 215Take -Up Clutch 2.45Take -Up Idler 1.40

Video Head 1795

3V35,36Capstan Motor assCassette Housing 25.95Mains Trans 21.95

Reel Idler 2.85

Take -Up Clutch 2.45

Take -Up Idler 1.40

Video Head 17.95

3V44/45Capstan Motor 37.95Cassette Housing 21.95Loading Motor 895Take -Up Clutch 1.95Video Head 32.95

TYPE

65U344C..

PRICE If) TYPE PRICE If I UNE 0/P TR.STK5421 435 TDA2530 2.00 830ST K5730 4.75 TDA2532 210 FERGUSON 1615 9.95STK7308 8.95 TDA2540 1.70 FERGUSON 1690/1 995STR4090 6.50 TDA2541 2.70 FERGUSON 1790/1 795STR40090 755 TDA2560 195 FERGUSON TX9 73.50STR4211 195 TDA2576A 325 FERGUSON TX10 29.96STR441

STR4514955.35

TDA2577TDA2578A

2.952.95

FERGUSON TX90 (141 19.75FERGUSON D490(2171 19.75

STR454 435 TDA2581 2.00 FERGUSON MEC ...1995STR5412 695 TDA2582 1.95 FERGUSON 1X100 110'395STR60201101) 5.75 TDA2591/3 1.95 FIDELITY 2/2000 (Inc. Mod.)TA7193P 43 0 TDA2594 2.95 14720' 1230TA7205AP 1.40 TDA2600 635 FIDELITY ZX3000 14"/TA7222P 1.% TDA261IA 1.50 20" 11.5019.7227TA7270

195125

TDA2653A10426558

1505.95

FIDELITY 22716 2095GEC 1405 19.95

TA7609 135 TDA3190 195 HINARI C14/5 1995TBA12OASTBA1200

1.00

1101043330TDA3540

3.952.95

HITACHI CTP1444/6 19.95ITT CVC13 850

TBA530TBA800P

12585

TDA3541TDA3560

2354.95

ITT CVC2510/32 840ITT CVC40 ass

TBA810S 123 TDA356IA 435 PHILIPS GB 955TBA820 ISO TDA3562A 5.50 PHILIPS G11 1435TBA820M 1.73 TDA3565 4.95 PHILIPS KT3 11.95TBA921% 1.95 TDA3571 B/Q 195 PHILIPS KA 1695TBA950/7X 225 TDA3650 4.75 PHILIPS K35 2435T8A14406 295 TDA3651 135 PHILIPS C -X114") 19.75109.440 2.95 TDA3651AQ 3.80 PHILIPS 011-E 11.951041020 2.75 TDA3652 295 PHILIPS CTX-S 17.95TDA1035T 240 TDA3653AQ 4.95 RBM 720/122A 935T041037 1.95 1044500 3.95 SHARP C1410 2195TDA1044 235 TDA4503 4.65

ON/OF SWITCHESTDA1151 125 TDA4600/2 215TDA11705 1.80 TDA4600/20 130 Decca 80/180 1.90

TDA1180P 266 TDA7270 135 Ferguson (Universal) 1.90

TDA1190Z 2.85 TDA8180 4.90 Ferguson 'X9/10 (Rem) . 1.95

109.1470TDA1506TDA1510TDA1512

3254353.80703.50

TDA8190TDA9503UPC1031HUPC1181H

2.802.952.601.70

Ferguson TX90 (Rem) 1.75Fidelity Avvisoornoo

1.451.45FidelityFidelity CT/145/140R 275Fidelity CTV1411 2-75

TDA1515 4.50 UPC1182H 1.70 Grundig CIJC731 175TDA1670A 420 UPC1185H 250 Hitachi CP12650 195TDA1770A 3.70 UPC1230H 435 Philips G8 (Metal) 135TDAI870 6.95 UPC1365C 420 Pps G 135TDAI908A 1.95 UPC1378H 3.70 Philips 611 (Rem) 1.85

TDA1950ATDA2002

3.95150

UPC1382UPC1394C

4.352.95

Philips KT3 ^Rem)Philips CTXIRem)

1.951.95

MA2003TDA2004

1.55290

ZFJOACPU 1.75 Pye GII (Rem) 1.85RBM 720A 13K3 2.45

I C SOCKETS16 Pin Dil Dil16 Pin Oil -Dail18 Pin Dil-Dil24 Pin Dil-Dil28 Pin Dil-Dil40 Pin Dil-Dil

16.._4'2

2515

3040

Redifusion lAk3 1.45Sony ICV1612 4.95Sony KV2022 (Rem) 4.95Tatung 140 2.75TTaatutunngg 14065 chassis 1.50

Tatung 160/1612.50

Thom Universal1251.00

109.2005TDA2006TDA2020TDA2030TDA2170TDA2270TDA2525

2551.95

3201102.952.952.95

GEC/HITACHI SPARESHM6232 5.95HM6251 4.70HM9032 5.95STR60201Kit) 5.75

VIDEO SPARESV4017011/1/18000

Audio Head 1835Capstan Motor 3190FF/Rew Idler 2.65

FF/Rew Pulley 85

Pinch Roller 3.95

Play Idler 4.50

Video Head 2295

V41301HN4002H

9300E/9500ECapstan Motor 3195FF/Rew Idler 195Ff/Rew Pulley 85Play Idler 335Pinch Roller 3.95

Video Head 2295

1410011/11711E

Audio Head 19.95

Capstan Motor 23.95Clutch Assy 830FF/Rew Idler 230Pinch Roller 3.95

Video Head 2295

V40041IN133ECapstan Motor 2955FF/Rew Idler 2.50Video Head 2295

V4005HNT63ECapstan Motor 1595End Sensor 1.75Video Head 49.95

NAT. PAN.VIDEO SPARES

NV333 Reel IdlerNV333 Pinch RollerNV333 Play IdlerNV370 Pinch RollerNV370 Idler AnnNV777 Reel IdlerNV2000 Reel IdlerNV2000 Loading GearNV2000 Pinch RollerNV2000 Play IdlerNV7000 Reel IdlerNV7000 Pinch Roller

BUY WITH

TRANSISTORS TYPE PRICE If)

TYPE ma BUBO] ... ......... ... ....1.30

BC107is BU826A ... ............ 2.25

BC147BU907 2.9510 BU908 1.95

BC148 2.95

BC327

10 BUTIIA..BC307

3.9580

BC337

:BUTuuwex1814A1AF

BC32811

BC338 12S6613.....................................895

BC360 35 16071 VI KIT) ........6C5466C541

10

10 79054V .................................350BC54I3 10

CIV14050

BBcC558557

BC639BC640

75100 ITIIP32CP29E..

70

3 TIP41C........45.45

TIP42C 45BD131BD132

5°93

TiPil2H.. .75

15/80H 2.451313222 50 15/856 .2.45BD22513CIZI7 405° 22SSCC8610347A

32 11

.. 3.9560238 aBD278ABD437

7040

2SC1413A 2952.90

BD438 401313677

os 4.95

BD701 95 250810 6.50

BD707 95 2.35

BD807BF337

15

50

BF3313 3377880515 70

BF4U 35BF423 35BF458 35BF460 95 TUNERS

BF757oF47o

0F871 80 ET548 142085103 75

BM 55 U322......................................110

BT151/00BU126BU205802089.

115 0341 ................................_.....796

IS° U3431phono) 16.951.401.45U4n

13U20801195

135BU326A 1.45HU%) 125804071) 130 TV ELECTROLYTICSBU426A 135_ DECCABUS% FIDELITY al220f38518U508A 130 PHILIPS G81600/3001805080805264 12 -i015

PHILIPS G111470/250).........220RBM 120A(220/400).............250

BU536 275 THORN 169014700/25180705 335

...... ...1.35THORN 90001400/400) .........2.90

PUSH BUTTONS SERVICE MANUALS SONY SPARES V.C.R. PILOT BULBSAmstrad 7000DECCA/ITT 6 WAY 9.95 TELEVISION C5/C7 Ferguson 3V00/22 50

195FERGUSON TX9 16.95 Ferguson TX9 2755 Ace Head Assembly 33.95 Ferguson 3V23 (Plug)FERGUSON TX10 16.95

Ferguson TX10 3835 Capstan Motor 27.95 Ferguson 3V29 (Plug)85

FERGUSON D(90 12.951195 Pinch Roller

80Ferguson TX901.95 Hitachi VT8000 85ITT CVC5 7 WAY . 11.75 Ferguson TX100 15.95 Rewind Kit 4.65 Hitachi VT9300/9500Ferguson 1790/1 1.95 Timer Lid ISO Nat. Pan. NV2000

95ITT CVC8/9 128070

ITT CVC20/30 8.50Fidelity AVS16130

4.95 Video Head 19.50 Nat Pan. NV7000 70ITT CVC45 (PORT.) 19.95 Sharp VC8300Fidelity AVS2000 495 C6 10PYE G11 TIP SWITCH 29.95 Fidelity CTM20007 595 Capstan Motor 23.95 SharpVC9300 1.95RBM T20A 6 WAY 11.95 Fidelity CTV14R 4.95 Pinch Roller 1.95 Universal 50

REMOTE CONTROLS Fidelity CTV2ORFerguson TX9 U/S Basic 14.50 Fidelity CIV207

4s54.95 RReeeell

Motorr

19.90Amstrad VCR45013/9000 2495

Ferguson 1X9/10N/Text 12.95 Philips CTX-E 259 Rewind KitVideo Head

3.45Amstrad VCR7000 26.95

Ferguson TX9/10 Text 1295 Philips CTX-S 2.50 19.50Ferguson 3V00/22/29/39 17.95

Ferguson TX Stereo Text 12.95 Philips G11 350 cg Ferguson 3V32 48.70Ferguson 31/23 Video 14.95 Philips KT3 3.50 DC -DC Convertor 22g6 Ferguson 3V42/44/45/47/50 3295Ferguson 3V31 Video 19.95 Philips 03) 3.50 Door Assembly 4.% Fisher FVH-D520/P615/D720 25.95

Fidelity CTV14S 12.95 Philips KT4/40 595 Gear Kit4.95 Hitachi VT8000

2295Ferguson 3V35 Video 17.95 Philips K35 350 Front Door Assembly 2295

Fdelity Teletext 17.95 Philips 29. Chassis 695 Guide Pin KitVTV133111353311/33E(genuine) 2795

Video Head 4295 JVC HR3300/HRD225

HitachiHitachi

Hitachi

1795VT11/33E (eguivalent)22.95Grundig TP2130 14.70

VIDEO RECORDERSPinch Roller

Grundig TP400 Text 1295Nat Pan N97200 1555

Ferguson 3V35/36Ferguson 3V44/45

28.9511.95

JVC HR7655JVC HRDI40/160

4830

Philips G11 U/S Full Rent. 1595Philips 611 U/S Text

Ferguson 3V46/47/52Ferguson 3V54/55

1195 AkaiVSIT/ EK

11951135 AmFer

VIDEO BELT KITS1 95

Nat Pan NV230Nat. Pan NV333

32.9534.95

Philips 011141 13.95 Ferguson 3V59gstrusaodnV3v00/CR700:116/221.50

Nat Pan NV36617.95

2.50Nat Pan NV370

39.95Philips G11 I/R Text 13.95

1195 Ferguson 3V23 2I.95Philips la3/30N/Text 1295

Ferguson 3V651.75Nat Pan NV430

Philips 6460/00/05695 Ferguson 3V29/30650 Ferguson 3V29 UBehs(5) 195

1.80Nat Pan NV730

24.9539.95Philips KT3f30 Text 1295

GEC V40135H

Philips RCS (Genuine) 1995 Nat Pan NVT/7Philips 6462/00/05 63 Ferguson 3V31 115

Nat Pan NV200030.95

Philips RC5lEguivalent) 1450 17 95Philips 6467 650 Ferguson 3V35/39 155

Nat Pan 097000 17.95Redifusion Mk.4 Text 15.95 Hitachi VT8C00 1.95Philips 6520/00.05 650 Philips VCR6460/6520Hitachi VT9300/9500 23.50Sony RM604-RM606 14.50Philips 6660 1.80

Philips VCR6462Philips 6560

7.95

735Hitachi VTI1E 1.95

Sanyo VTC500038.9535.00

Sony RM6I3/5 14.50

Sony RM630-RM635 14.50Philips 6542

JVC HR72C0 1.80Sanyo VHR1100/1300 37.95Tatung RTP40 15.95 835 JVC HR7650 1.85Sanyo VHR1500 48.35

REPAIR KITS JVC HR7700SHARP VIDEO SPARES JVC HRDI20-140

1.75155 Sharp VC9300/9700/381/482 2395

Philips KT3/30 N/Text 630 Nat Pan. NV333 135 Sharp VC581/563/682 29.95Philips KT3/30 Text 630 3304113/71 Nat Pan.NV370 150 Sony SLC5/61/UB 19.50

Sony SLC5/6i7UBPhilips 005 7,70 Capstan Motor 3135 Nat Pan. NV21300 195Sony SLC20/30UB

Igenuine)....47.502755SANYO/FISHER Cassette Lamp 195 Nat Pan. NV3000 1.75

Toshiba V9600N31BVIDEO SPARES Toshiba V55/5724.95Pinch Roller 430 Nat Pan. NV7000

Reel Idler 250 fisher FVH 520/6151.95195 17.95

500053001635 Sanyo V105003Reel Motor 1.00Capstan Motor

Unlock Assembly 40 Sanyo VIC5300 1.95Loading Roller 1.95Video Head 2315 Sanyo V105500 1.75Pinch Roller

Sanyo VTC9300 2.95Reel Motor 795 481/483 Sharp VC7300 2.55Reel Idler 5.70 Capstan Motor am Sharp VC8300 2.40EV11615 Reel Idler 23) Sharp VC9300 2.40Reel Idler 595 Reel Motor 1795 Sony SLCS/C7UB 2.50Clutch Assy 5.95 Video Head 23.95 Sony SLC6UB 1.95

ORDERINGPlease add 75p for p/p U.K.Add 15% VAT to this total.

Service Manuals p/p f1.00 each.Export Orders p/p

charged at costDelivery by return on

all stock items.


WE SHALL NOT BE BEATENWORKING STOCK

PHILIPS G119.09.6, 26"COLOUR PORTABLE T.V.'sTX10 TEXT, 20"/26"PHILIPS KT3/30MECHANICAL VIDEO'S3v 30/40 VIDEO'S (IN LOTS OF 10)FRONT LOADER VIDEO'S

UNTESTED STOCK (GENUINEPHILIPS G119.09.6,26"COLOUR PORTABLE T.V.'sTX10 TEXT, 20"/26"PHILIPS KT3/30MECHANICAL VIDEO'S3v 30/40 VIDEO'SFRONT LOADER VIDEO'S

£15£15£15£45£55£30£45£65£60

£5£10£10£30£45£20£30£50£50

* Direct Loads Available *

100's OF VCR'sAT BELOW TRADE PRICES

We Shall Not Be Beaten

11 EXCELLENTTESTINGFACILITIES

OPEN SIX DAYSA WEEK

EASY ACCESS FROMMl, M62 AND M621

* ALSO QUANTITIES OFPHILIPS, GEC, ITT ANDJAPANESE T.V.'s ATCOMPETITIVE PRICES.

* BRAND NEW14" PORTABLES

ONLY £80

* GHETTO BLASTERS

FROM £60

* STEREO SOUND T.V.'s

ONLY £80TX9 AND TX10 (NONE TEXT) £25

* ELECTRONICS VIDEO'S (WITH SLIGHT FAULTS) £25ALL PRICES ARE SUBJECT TO VAT

(OFFERS APPLY WHILE STOCKS LAST)(HANDSETS EXTRA)

E = =

UNIT 16, TOWER WORKS,2 GLOBE ROAD, LEEDS LS11 5QG.(off Water Lane, near Hilton Hotel (formerly Di agonara)

RING OUR /IM MO NOWINORTH SOUTH0532 01444195 7691029


FA 71 VIDEO SPARESALL STOCK ITEMS ARE DESPATCHED BY RETURN OF POST

VIDEO HEADSREPLACEMENTS GENUINE HEADS

All our replacement heads are brand newprecision Japanese heads not refurbished.Panasonic3HSS(N) £19.90Fits model numbers:NV2000. NV2010, NV7000, NV7200,NV333, NV8600, NV8610.3HSS-UI(N) £29.90Fits model numbers: NV370 8 PhilipsVR6460.3HSS(4N) £46.50Fits model number: NV3663HSS(4NB) £54.60Fits model number: NV730

uson3FITIS!( V) £19.90Fits model numbers: 3V00, 3V16, 3V22,3V29, 3V30, 3V31, 3V35, 3V36, 3V38, 3V39,HR3300. HR3330, HR3360, HR7200,HR7300, HRD120.3HSS4VB £54.60Fits model numbers: 3V32.

Sharp3HSS(SP) £29.90Fits model numbers: VC9100, VC9300.VC9500. VC9700. VC381, VC8381, VC -AWLVC388. VC482.

ToshibaPS3B(T) £31.90Fits model numbers: V9600, V31B, V33B.Hitachi3HSS(H) £26.50Fits model numbers: VT8000, VT9300 etc.

P (garS) £24.90Fits model numbers: SLC5. SLC6, SLC7,SL3000 also various NEC models.P84B(2S) £34.50Fits model numbers: SLC20, SLC30, SLC40,SLF1.PS5B(3S) £44.20Fits model numbers: SLC9, SLT50. SLC8.SLF60.

Amstrad/Saisho3HSS(R) £29.50Fits model numbers: VCR7000 and all mod-els using Orion chassis.3HSS(FI) IZ 34.50Fits model numbers: VCR4500. VCR5200.VCR9000 etc.

Fisher/Fidelity3HSS(S) £29.90Fits model numbers: FVHP615, FVHP710,V1000.

PanasonicNV2000, NV2010NV7000, NV7200NV333, NV370NV366NV688, NV777, NV788NV730All others available P.O.A

FergliSON3V00, 3V16, 3V223V29, 3V303V323V35, 3V36, 3V38, 3V39

SharpVC7300, VC7700, VC7750VC8300VC9300, VC9500, VC9700VC381, VC -3/43, VC386VC482All others available P.O.ASanyoVTC5000, VTC5150VTC5300, VTC5400VTC9300

SonySLC5 SLC6, SLC7SL8000, SL8080SLC20, SLC30SLC9

ToshibaV9600V8600V31, V33V55, V56

HitachiVT5000, VT5500VT6500, VT8000, VT8300VT8500, VT8700VT9300, VT9500, VT9700VT11E, VT14EVT17E, VT19EVT33EPerVVR6462Please call if your model is not fisted.

Nor

: THIS MONTH'SSPECIAL

VIDEO SERVICEltdTOOL KIT

INCL. ALIGNMENT TAPE, -TORQUE GAUGE, GREASE, -

TAPE GUIDE ADJUSTING TOOL,me CIRCLIP PLIERS, etc. VC7 bo,vc77o0,vc775o £4.95

VC8300 £4.95iM NMVC9100, VC9300, VC9500VC381, VC383, VC386

£4.95£4.95

IIN was t239_ VC651 etc.Hitachi

£4.95

Mil MI VT5000, VT5500 £5.95VT8000, VT8300, VT8500 £4.95VT9300, VT9500, VT9700 £4.95

MI now £189 + VAT . vr,V

1E, VT14E, VT17E, VT19T33E

£4.£5.9595

Aka:El III VS9700 £6.95VS2,

AVS3,VS4, VS5 £6.95

IIII TELEVIDEO SERVICES In VSmstrad93CO, VS9500, VS9700 £4.95

MIL /III VCR4500, 4600 Pinch Roller mod kit £9.95

GENUINE BELT KITSREPLACEMENTS

PanasonicNV2000, NV2010 £6.50

£44.00 NV7000, NV tzu0 £6.50£44.00 NV333, NV366 £6.50£44.00 NV370, NV830, NV850 £2.80£64.50 NV688 £6.50£64.50 NV777, NV788 £4.70£67,50 NV8600, NV8610 £6.50

NV730 £1.90NV230, NV430, NV870 £2.80

£59.90£59.90

NV870, NV810Ferguson,3 3V16, 3V22

£2.80

£6.50£66.90£59.90

3V233V29, 3V30

£3.90£4.90

3V35, 3V36, 3V38, 3V39 £2.90£69.90 Sanyo£69.90 VTC5000, VTC5150 £1.99£62.00 VTC5300, VTC5400 £4.50£62.00 VTC9300 £6.50£62.00 Sony

SLC5, SLC7 £6.50SLC6 £7.50

£39.90£39.90£39.90

SL8000, SL8080 £6.50SharpVC7300, VC7700, VC7750 £6.50VC8300 £6.50VC9100, VC9300, VC9500 £6.50£49.50 VC381, VC383, VC386 £6.50£49.50 Hitachi

£54.50 VT5000, VT5500 £6.50£54.50 VT8000, VT8300, VT8500 £2.90

VT9300, VT9500, VT9700 £3.30£59.90 VT11E, VT14E, VT17E, VT19 £6.50£69.90 VT33E £6.50£59.90 Mai£59.90 VS9700 £6.50

VS2, VS3, VS4, VS5 £4.90£49.50£49.50

VS9300, VS9500, VS9700 £6.50Many others available

£49.50£49.50£45.50 CREDIT CARD£54.60 ORDERS BY£49.50 TELEPHONE

RECEIVED BY£44.00£44.50

4 PM. AREDESPATCHED SARCIAKARD

SAME DAY

WE CARRY HUNDREDS OF VIDEO SPARESINC. PLAY IDLERS, CLUTCHES, MOTORS,

SERVICE MANUALS, TENSION BANDS,

BELTS AUDIO/CONTROL HEADS,

ALIGNMENT TOOLS AND TAPES ETC.

""SPECIAL ORDER FACILITIES**

**FOR NON -STOCK ITEMS**

£4.95£4.95£7.95

PINCH ROLLERSPanasonicNV2000, NV2010, NV7000, NV7200NV333, NV366, NV370, NV430NV730Ferguson/JVC3V00.3V16, 3V22, 3V23 3V24 £4.95HR3300, HR3360, HR3660, HR2200 £4.953V29, 3V30, HR7200, HR7300 £4.953V35, 3V36, 3V38, 3V39 HRD120 £4.95SanyoVTC9100, VTC9300 £4.95VTC5000, VTC5150, VTC5300,VTC5400 £4.95

SLC5, SLC7 £5.95SLC6 £5.95SL8000, SL8080 £5.95

TELEVIDEO SERVICESUNIT 3, PLESSEY BUSINESS PARK, TECHNOLOGY DRIVE, BEESTON, NOTTINGHAM NG9 2ND

TEL: 0602-226070 FAX LINE: 0602-43109724HR ANSWERING SERVICE FOR ORDERS PLACED AFTER 5.30 p.m.

Please add 70p post 8 packing and then add 15% VAT to totalOFFICIAL ORDERS ACCEPTED FROM SCHOOLS, COLLEGES, ETC. EXPORT ENQUIRIES WELCOME.

ALL ENQUIRIES SHOULD BE ACCOMPANIED BY STAMPED ADDRESSED ENVELOPE

LARGE RANGE

0 IC's

SEMI-

CONDUCTORS

AVAILABLE

FOR N,AUDIO

VIDEO

PanasonicNV2000, NV2010 £3.50NV7000, NV7200 £3.00NV333, NV366 £3.00NV8600, NV8610 £3.95

312,3V16, 3V22 £3.50uson

3V23 £2.903V29, 3V30 £3.503V35, 3V36, 3V38, 3V39 £2.90SanyoVTC5000, VTC5150 £1.00VTC5300, VTC5400 f2.50VTC9300 £4.25SonySLC5, SLC7 £3.60SLC6 £4.95SL8000, SU3080 £4.25SharpVC7300, VC7700, VC7780 £3.50VC8300 £3.90VC9100, VC9300, VC9500 £3.90VC381, VC383, VC386 £3.90HitachiVT5000, VT5503 £4.50VT8000, VT8300, VT8500 £1.50VP3300, VT9500, VT9700 £1.50VT11E, VT14E, VT17E, VT19 £3.90VT33E £3.90AlaiVS9700 £3.90VS2, VS3, VS4, VS5 £3.95VS9300, VS9500, VS9800 £3.50Many others available

SENSOR LAMPSAll Panasonic £1.80All Fergusori/JVC £0.65Sharp VC9300 etc £2.90Sharp VC7300 etc £1.80Amstrad 7000 £2.30All Hitachi £1.80

SENSOR LE.D.'sAll Panasonic £2.90All Ferguson/JVC £2.90All Hitachi £5.75

END SENSORSHitachi VT64E £1.20 each

REEL MOTORSSharp VC9300, VC381 etc. £18.20Amstrad/Saisho etc £18.20Panasonic NV333, NV366 £16.80Sanyo VTC5000, 5300, 5400 £9.90Panasonic NV7000, 7200 £19.80

DRUM MOTORSFerguson/JVC 3V00, 3V22, etc. £29.90Sharp VC7300, VC7700 £26.40Sharp VC8300 £26.40Hitachi VT5000 £24.80

CAPSTAN MOTORSSharp VC8300 £39.90Sharp VC7300, VC7700 £29.30FergusorVJVC 3V00, 3V16, 3V22 £29.90Ferguson/JVC 3V29, 3V30 £34.50Ferguson/JVC 3V35, 3V36, etc. £25.80Hitachi VT5000 £24.80Hitachi VT8000, 8500, etc. £34.50Hitachi VT9300, 9500, etc. £34.50Hitachi VT11, VT14, VT17 £26.80Sony C5, C7 £29.90Akai VS1-VS5 £29.90Many, many more!

IDLER WHEELSPanasonicNV2000, NV2010 (Replacement) £0.95NV2000, NV2010 (Genuine) £2.90NV7000, NV7200 (Genuine) £2.90NV333, NV366 (Genuine) £2.90NV370, NV230, NV430 . (Genuine) £4.50NV777, NV788 (Genuine) £4.50

FerguNV730

(Genuine) £4.50son/JVC

3V00, 3V16, 3V22 (Large dutch) £5.953V00. 3V16, 3V22 (Small dutch) £6.953V29, 3V30, HR7200, HR7300 £3.903V35, 3V36, 3V38, 3V39, HRD120 £3.90SanyoVTC9100, VTC9300 £1.90VTC5000 Reel drive pulley £6.50VTCM10 Reel drive pulley £9.90SonySLC5, SLC7 Rewind kit £4.95SLC6rp Rewind kit £4.95ShaVC9100, VC9300, VC9500 (Genuine) £3.90VC381, vram, VC386 (Genuine) £3.90VC482, VC483, VC581 (also Saisho) (Genuine) £3.90VC482 etc. (Equivalent) £2.98VC9300, 381 etc. (Equivalent) £2.98HitachiVT8000, VT13300, VT8500 £4.72VT9300, VT9500, VT9700 £4.75VT11E, VT14E, VT17E, VT19 £3.96VT33, VT63, VT64, VT65 £3.96AkalVS2, VS3, VS4, VS5 £4.50FisherFVHP615, FVHP710, FVHP725, etc £6.90We also carry all play idlers and clutches etc. for modelslisted plus many more.


METEX P ESSIONAL DMM'SEDUCATION AND QUANTITYPRICES ON REQUEST

31/2 and 41/2 12mm LCD Digital multi -meters: 5 ranges AC and DC volts:6 Resistance Ranges to 20M ohm: AC/ -DC to 20 Amps: Hfe Transistor testDiode Test: Continuity: Auto polarity

Ian 0 - ..#01' and zero: Plus extra features asbelow. Size 176 x 90 x 36

"R mm (3800 172 x 88 x 36):All with Test Leads:

t- Fused: Hard carry caseand instructions.

REDURICTIPCE

O6VSLIMITELPERIODONLY

uf. -----MODEL

M4650

DIGITS

M3650

RANGES EXTRA FEATURES BASIC

v./

PRICE

3800 31/2 32Low AC/DC 0/20 microamp ranges 0.5% £31.50

3610 31/2 30 LED continuity indicator 0.3% £35.18

3630 31/2 30 5 -Range Capacitance Test 0.3% £40.65

3650 31/2 302 -Range frequency counter5 -Capacitance

03% £46.92

4630 41h 30Data Hold5 -Range Capacitance

0.05°/a £54.75

4650 41/2 30Data Hold. 2 -Range Freq.5 -Capacitance

0.05% £62.57

0 VAt UK only etc.

OPEN 6 DAYS A WEEK - CALLERS WELCOME

AUDIO ELECTROnICSWI TELEPHONE 01-724 3564

j 301 EDGWARE ROAD, LONDON W2 1BNNMI ORDER BY POST OR TELEPHONE

LONDONS NEW EX -RENTAL WAREHOUSE

RELIABLE WHOLESALE TV

SALE TIME!TV's from £3 VIDEOS from £30

WE STOCK THE LOT -10p WILL SAVE UsTO NAME A FEW

1123PHILIPS G8 - G11 - KT3 - KT30 - KT35 CTXDORIC MK2 - MK3 - MK4 - MK5FERGUSON TX9 - TX10 -9600 - 8800Plus Pye, Sony, Finlandia, GEC, Hitachi, National Panasonic,Mitsubishi, Toshiba, Grundig, ITT & MORE, MORE, MORE

VIDEOS

3V22 - 5000 - 8000 - 3V29/35/36/37/38/39/45SHARP 9500 - 9600 - 9700 + MORE, MORE, MOREPANASONIC NV333/366/370/2000/7200/3000

VAT Prices exclude VAT.HANDSETS - Handsets are included with working sets but arecharged extra in 'off the pile' sales.

WE ARE JUST OFF A406 (BARKING)2 ROADS AWAY FROM EAST HAM TUBERELIABLE WHOLESALE TV 01-471 9622UNIT 2

01-590 27152A LATHOM ROAD TV&

EAST HAM, LONDON E6 SUPPLIEDVIDEOPANELS

FIRST IN TUBE REBUILDING TECHNOLOGY

30AX; 540 SERIES!REDUCED SERVICING COST,

FIT A DIRECT REPLACEMENTAVAILABLE ONLY FROM CHROMAVAC.

PRE CONVERGED AS ORIGINAL.EXTERNAL MULTIPOLE UNIT NOT REQUIRED.

QUALITY -

REBUILDS

0.--CN Get on the hot-line today!

SAVE £££sKEEP THAT OLDER SET

PURCHASE A NEW 56-410OR 47-342/3 TUBE

FOR ONLY £5 + CARRIAGEAlso NEW 560 AKE22 £35

NEW 670 XB22 £37.50

061

681 2959most types of

Inline Re -buildsor new ex -stock

PRICES SUBJECT TnGLASS EXCHANGI

Delta RebuildsUpto 19" £28Upto22" £3CUp to 26" £34110'upto22" £34110°upto26" £38Low focus +£2A47 342 New ....... £2817FHP New £30470EHB New £30Delta only. Less 5% 5-,-

Inline RebuildsUp to 22" .. From £40Up to 26" .. From £45A56 540x £56A66 - 540x £58Bonded Coil...._...+£5

ALL SIZES OF NEW ANDREBUILT MONO TUBESAT COMPETITIVE PRICES

IN LINE TYPES (NOT REBUILDS) PHONE RE STOCK POS.

Please enquire types not listed370 HFB-A37-590 £50 AXT 56-001370 HUB £50 670 CZBAXT 37-001 £50420 CSB £53420 EDB-A42-590 £5)420 EZB £53420 ERB £53470 KUB £50510UFB £67510VSB £67AXT51-001 £67560 DYB-560 DTB £6756G EGB £67560 CGB £67560 DMB £67

* WE PURCHASE SURPLUS STOCKSOF INLINE TUBES: ALSO A56/66 - 510/540 ETC. OLD GLASS.

DELIVERY: By return on all stock items.

NOTESurchargewithout

exch. glass.

£67£80

A66-540 £125420FSB £6014" (A34); 16" (A38); 21"(A51); FST now available

at special low prices

MIN. CARRIAGE £5£10 if glass collected.

TERMSCash with order

ALL PRICESEXCLUSIVE OF VAT

THE COMPANY WHO PUT HIGH STANDARDS FIRST

(cHromoVerflicCHROMAVAC LTD., PUMP STREET,HOLLINWOOD, OLDHAM OL9 7LR

Ask for Mr Butterworth ON: 061-681 2959 .OP


AUDIO VISUAL SERVICES

NEW YEAR SPECIALS FROM AVS GROUP

TX10 vNON TEXT* £25TEXT 22" £65TEXT 26" £60

NON TEXT 8311

TYPE

MANU-FACTURERS ir

lir B GRADE ir44

VIDEOS FROM £110DU AL SPED :ROM £130 illfix

A MICROIVA\ E OVENS

FR)M £40AUDIO FROM £10

4ALL OTHER

THORN EX -RENTAL

PRODUCTS AT

COMPETITIVE PRICES!N's FROM £10

VIDEO's FROM £35

ALL THREE OF OUR BRANCHESARE HAVING A JANUARY SALE!

SPEND OVER £1000 (IN ONE GO) AND TAKE ADVANTAGE OF A 21/2% DISCOUNTSPEND OVER £2000 AND GET A 5% DISCOUNT

REMEMBER JANUARY ONLY FOR OUR GREATEST SALE EVER!

"IF YOU WANT LOADS OF STOCK CONTACT DAVE HOLMES"NEW I.R. HANDSETS UNBEATABLE FROM £10.00

SPECIALISTEXPORT DEPT

AT RISBOROUGH

SWINDONMilk LAURIE&IA PHILLIPS

0793 5134840793 513369

AVS SWINDONUNIT 62 BSS HOUSE,CHENEY MANOR INDUSTRIALESTATE, SWINDON, WILTS.

ALL PRICES SUBJECT TO V.A.T. HANDSETS EXTRA

HEAD OFFICEPRINCES RISBOROUGH

am IAN NICOLLgal 08444 3226

08444 2995

AUDIO VISUAL SERVICES36 WYCOMBE ROAD

PRINCES RISBOROUGHBUCKS.

BULK BUYERSWELCOME

CONTACTDAVE HOLMES

AT RISBOROUGH

UMBERSIDE

231 KEN HOW

0652 6602420652 660243

AVS HUMBERSIDEUNIT 8 ST. MARY'S WORKSMARSH LANE, BARTON-ON-HUMBERSOUTH HUMBERSIDE.


POPULAR BAKERS DOZEN PACKS(Still available)All packs are £1 each, if you order 12 then you areentitled to another free. Please state which one youwant. Note the figure on the extrme left if the packref number and the next figures is the quantity ofitems in the pack, finally a short description.

BD2 5 13A spurs provide a fused outlet to a ring mainwhere device such as a clock must not be switchedoff

B07 4 in flex switches with neon on/off lights, savesleaving things switched on

BD9 2 6v. 1A mains transformers upright mounting withfixed damps

BD11 1 61/2" speaker cabinet ideal for extensions, takesyour speaker. Ref BD137

6013 12 30 watt reed switches, it's surprising what you canmake with these - burglar alarms, secret swit-ches. relay etc. etc.

BD22 2 25 watt loud speaker two unit cross-oversB029 1 B.O.A.C. stereo unit is wonderful value6030 2 nicad constant current chargers adapt to charge

almost any nicad battery8032 2 humidity switches, as the air becomes damper the

membrane stretches and oeprates a microswitchBD34 48 2 meter length of connecting wire all colour codedBD42 5 13A rocker switch three tag so onioff, or change

over with centre off8045 1 24hr lime switch, ex -Electricity Board. automati-

cally adjust for lengthening and shortening day.Original cost £40 each.

I3D49 10 neon valves, with series resistors, these makegood night lights

BD56 1 mini uniselector, one use is for an electric jigsawpuael, we give circuit diagram for this. One pulseinto motor, moves switch through one pole

BD59 2 flat solenoids - you could make your multi -testerread AC amps with this

BD67 1 suck or blow operated pressure switch. or it canbe operated by any low pressure variations suchas water level in water tanks

BD91 2 mains operated motors with gearbox. Final speed16rpm. 2 watt rated

B0103A 1 6 750MA power supply, nicely cased with inputand output leads

BD120 2 stripper boards each contains a 400v 2A bndgerectifier and 14 other diodes and rectifiers as wellas dozens of condensers etc

BD122 10m twin screened flex with white pvc coverBD128 10 very fine dhlls for p.c.b. boards etc. Normal cost

about 80p eachBD132 2 plastic boxes approx, 3" cube with square hole

through top so ideal for interrupted beam switchBD134 10 motors for model aeroplanes, spin to start so

needs no switchBD139 6 microphone .nserts - magnetic 490 ohm also act

as speakers80148 4 reed relay kits you get 16 reed switches and 4 coil

sets with notes on making do relays and othergadgets

BD149 6 safety cover for 13A msockets - prevent thoseinquisitive little fingers getting nasty shocks

60180 6 neon indicators in panel mounting holders withlens

BD193 6 5 amp 3 pin flush mounting sockets makes a lowcost disco panel - need cable clips

80196 1 in flex simmerstat - keeps your soldering iron etcalways at the ready

BD199 1 mains solenoid very powerful has 1" pull or couldpush if modified

BD201 8 keyboard switches - made for computers but havemany other applications

BD210 4 transistors type 2N3055 probably the most usefulpower transistor

BD211 1 electric clock mains operated put this in a box andyou need never be late

BD221 5 12v alarms make a noise about as loud as a carhorn. Slightly soild but OK

BD242 2 6" x 4" speakers 4 ohm made from Radiomobileso very good quality

BD252 1 panostat, controls output of boiling ring fromsimmer to boil

BD259 50 leads with push on 1/4" tags -a must for hook ups- mains connections etc

BD263 2 oblong push switches for bell or chimes, these canmains up to 5 amps so could be foot switch if fittedinto pattress

BD268 1 mini 1 watt amp for record player. Will also changespeed of record player motor

BD283 3 mild steel boxes approximately 3" x x 1" deep- standard electrical

BD293 50 mixed silicon diodes80305 1 tubular dynamic mic with optional table rest60667 2 4.7uf, non -polarised block capacitors, pcb

mountingBD400 4 Books. Useful for beginners. Describes amplifiers,

test equipment and kit setsBD653 2 Miniature driver transformers. Ref LT44. 20k to

1k. centre tappedBD553a 2 3.5 volt operated relays, each with two pairs CO

contactsMost other packs still available and you can choose any as your freeone.

POWERFUL IONISERGenerates approx. 10 times more IONS than the ETI and similarcircuits. Will refresh your home, office. shop workroom etc.Makes you feel better and work harder - a complete mainsoperated lot, case included £11.50 + £3 P&P.

25A ELECTRICAL PROGRAMMERteam in your seep. Have radio playing andkettle boiling as you wake - switch on lightsto ward off intruders - have a warm houseto come home to. You can do at these andmore. By a 'emus maker with 25 amp onoff swatch A beautiful unit at £2.50.

ATARI 65XE COMPUTERAt 64K the is most powerful andsuitable for home and business. Brandnew, complete with PSU. TV lead,owner's manual and six games. Canbe yours for only £45 plus £3 Insureddelivery.

DATA RECORDERS. ACORN for Acorn Electron, etc, referencenumber ALF03, with TV lead, manual and PSU. Brand new. Price £10plus £1.50 post. Order ref 10P44.ATARI XC12 for all their home computers. With leads and handbook.Brand new Price £15 plus £2 post. Order ref 15P20.

JOYSTICK FOR ATARI OR COMMODORE for at all Atan andCommodore 64 and Vic20. New Price O. Order ref 5P126

EXTRA SPECIAL OFFER. The ATARI Compendium containscomputer 65XE, data recorder XC12, joystick and len games for £57.50plus £4 Insured delivery.

VENNER TIME SWITCHMains operated with 20 amp switch. one onand one off per 24 he repeats dailyautomatically correcting for thelengthening or shortening day. Anexpensive time switch but you can have itfor only £2.95 without case. metal case -£2.95, adaptor kit to convert leis into anormal 24 hr. time switch but with the addedadvantage of up to 12 °doffs per 24hrsThe makes an ideal controller for the

ExFectricity Board.immersion heater. Price of adaptor kit

Guaranteed 12 metes.is £2.30.

WALKMAN TYPE PERSONAL STEREO CASSETTEPLAYERS. These arc not second-hand but are slighter repot andmay need some attention. NI are complete with stereo headphones andare famous makes. Sanyo. Panasonic, Sony, etc Stereo cassette type,no radio, £5 each. Our "el 5P132. Ditto but with AM/FM rade. £7 each.Our ref 7P8

PANEL METERS. Beautifully made moving coil distrJments inheavy duty casings much superior to those corning from the Far East.Meter face size is 72mm x 86mm, fixing hole size is 70mm. Pnce is £5each. The following models are in stock, 0-5amp. Our ref 5P1336A.

5DC.

Our ref1;rir. 0-4110voff DC,..0fu5rgf 5F;01,3/3/(;1.01V 0-50(;11

Our ref 5P133/160V 5-200volts DC. Our ref 5P133/2004.

THE AMSTRAD STEREO TUNER. A ready assembled unit isthe deal tuner for a music centre or an arnphfier. Some X the featuresare: long wave band 115-170KHz, medium wave band 525-1 650KHz,FM band 87.108MKz, mono, stereo 8 AFC switchabie, fully assembledand tiny aligned. Full winng up data showing you how to conned toamplifier or headplr.ews and details of suitable FM aerial (note ferriterod aerial is included for medium and long wave bands). made up onvery compact board. Offered at a fraction of its cost. only £5. Our ref5P68.

ORGAN MASTER ,s a threeoctave musical keyboard. hisbeautifully made, has gold platedcontacts and is complete with ribboncable and edge connector. Brand new,only £12 plus C3 postage. Order ref12P5.

MUSIC FROM YOUR SPECTRUM 128. we offer theMaster three octave keyboard, complete with leads and the into acewhich plugs into your 128. You can then compose, play, record, store,etc.. your own music. °rice £19 plus £3 special packing and postage.Order ref 19P1

CAMERAS. Three cameras, all by famous makers, Kodak, etc. Onedisc and two different instant cameras. All in first class condition.believed to be in peeled working order but sold as untested. You canhave the three for £10 including VAT, which must be a bargain - it ordyfor the lenses. dash gear, etc. Our ref 10P58.

SCREENING FOIL This is copper dad board, is very thin so 11 canbe used as an electrostatic screen. Easily bent, cut or manipulated. Inlad a screening box could be made with Kist a pair of scissors and asoldering iron. Double sided sheets, size 305mm x 254mm. £3 each.Our rat 3P52.

PRECISION MOVING COIL PANEL METERS. Very sensitive,0-1066A These are beautifully made, very reliable. Intended to be usedin expansive instruments. Supplied with a plain scale. faker size 75mm x75mm. Price £4 °edit Our ref 4P32. Ditto. but 100-0-100nA. Price £4each. Our ref 4P32(1). Dino, but 1mA FSD. Price £4 each. Our ref4P32(b).

1/8th HORSEPOWER 12 VOLT MOTOR. Made by Smiths. the

t7ia7lafhsag"art:1:atat"etn?15 and he sPiada51Ith inch diameter. It hasfixing or can he fixed horn the end by means of 2 nuts A very powerlidilthe motor wild, raw at 3.00Orpm. We have a large quantity of tern so ifyou have any projects in mind then you code rely on wapitis fa at easttwo years Prue £6. Our ref 6P1, ciscare Ira quantities of 10 a more.

PHILIPS LASERThis Is helium -neon and has a power rating of I .6mW.Completely sate so long as you do not look cirectty Intothe beam when eye damage could result. Brand new, lullspec. £30 plus C3 Insured delivery. Mains operated powersupply for this tube gives akv striking and I.25kv at 5rnArunning. Complete kit with case £15. No extra for post Ifordered wen hibe.

HIGH RESOLUTION MONITOR. gin black and white. usesPhilips tube M24606W. Made up in a lacquered frame and has opensides. Made for use: with OPD computer but suitable for most others.Brand new, £16 plus £5 post. Our reference 16P1

TANGENTIAL HEATERS. we again have good stocks of thequiet running, instant heat units. They require only a simple case orcould be fitted into the bottom of a kitchen unit, etc 1.2kw. which is avery compact little one and also a 2.5kw. which is approximatety 10inking plus motor. Pnce for either model E5. Being rater fragile needsspecial packing so add £2 per healer for post and pecking. Controlswitch kx 2.5kw mode giving he heat. half heat or cold NOW. Price 50p.

12 VOLT BRUSHLESS FAN. Japanese made. The popularsquare shape (4 Iran x 41/2in x 13/4ink The electronically sax fans notonly consume very little current but also they do not cause interferenceas the brush type motors do. Ideal for cooling computers. etc, or for acaravan each. Our ref 8P26.

FDD BARGAIN31/an made by Chinon of Japan. Single sided, 130 track Shugartcompatible interface. Interchangeable with most other 31/21n and51/4in doves £213.50 plus £3 post.

Generous discounts for quantities

J & N BULL ELECTRICALDept. T.V., 250 PORTLAND ROAD, HOVE,

BRIGHTON, SUSSEX BN3 5QT.MAIL ORDER TERMS: Cash, P.O. or cheque with order. Orders under £20 add£1 .50 service charge. Monthly account orders accept Iron schools and publiccompanies Access & &card orders are accepted - minimum £5. Brighton(02731 734648 or 2133930.

BARGAINS STILL AVAILABLENOISE FILTERS - MAINS INPUT PLUG TYPE. Japanese made. this is a chassismounting block with a built in noise filter to cut out surges and voltage peaks whichcould interfere weft and possibly even damage your equipment. These are easy tomount and have a flange with two fixing holes. They take the standard 3 flat pinplug, tamp model. Price £3 each. Our ref 3P50.

LEAD LAMP. Motorists' Speaal. Normal hand-gnp type holder, with glass cover toprotect the lamp and further protection in the form of a wire guard wile a hook forhanging. Ideal as Ion light or for car repairs, etc Takes 60er lamp. Has good lengthflex Mice f4. Car ref 4P31

PHONE LEADS. I metres long, correctly colour coded, one end has sat plug whichMs standard Of socket, other end has tag connectors. 2 for Of Our ref BD639.

SUB -MIN TOGGLE SWITCH. Body sue 8mm x 4mm x 7mm SBDT with chromedolly fixing nuts 4 for Of 00. Order ref 8D649

VEFY POWERFUL MAGNETS. Although only less than tin long and not muchthicker than a pencil these are very refficult to pull apart. Could be used to operateembedded reed switches, etc. Price 50p each. 2 for £1 00 Our ref BD642.

CLEAR LACQUER. Quick drying for the protection of transfers, markings, maps,etc. Also protect wood and metal. Exceptionally clear. Large can for £1 .00. Orderref 130660.

PAPST AXIAL =AN. MANUFACTURERS REF NO TYP4580N. This is mainsoperated 15vrall rating and in a metal frame with metal blades so OK in hightemperatures bey size approximately 43/en square x 14in thick. 06.00 each,plus E1.00 posage Our re 6P6

TILVISMITTER SURVEILLANCE (BUG) - tiny, easily hidden, but which will enablecorversaten to be picked up with FM rade Can be housed in a matchbox. Allelectronic parts and circuit. Pnce £2. Ref 2P52

ASIEC PSU. Mains operated switch mode so very compact (Or x 4' x 2"approx.). Outpre +5 Volts 3.5 amp +12 Volts 1.5 amp. -5 Volt 1.5 amp.Brand new. Ramat pace 00+ Our price only E10 Rel 10P34.

APPUANCE THERMOSTATS - spindle adiost type suitable for convector heaters orsimilar Pnce 2 tor El Ref BD582.

3 CORE FLEX BARGAIN No. 1 - Core size 5mm so deal for long extension leadscarrying up to 5 amps or short leads up to 10 amps. 15mm for E2. Order Ref.2P189

3 CORE FLEX LARGUN No. 2 - Core size 1 25rnm so suitable for long extensionleads carrying op to 13 amps - or shed leads up to 25.6 10m for £2 Order Ref.2E190

CASE WITH 1311 PRONGS - to go into 13A socket, nice size and suitable for plentyof projects such as car battery thdde charger, speed controller, time swech, nightlight, noise suppressor, dimmers etc. Pnce - 2 for O1 Ret. BD565

ALPHA -NUMERIC KEYBOARD - this keyboard has 73 keys with contactlesscaoacdance switches giving long trouble free lite and no contact bounce The keysam arranged it two groups, the main area field is a OWERTY array and on the rightis a 15 key number pad. board see is approx 13" x 4" - brand new but offered atrely a tractor of its cost namely E3. plus Or post. Ref. 3P27

TELEPHONE EXTENSIONS - it is now legal for you to undertake the *song oftelephone extensions. for this we can supply 4 core telephone cable, 100m coil£8 .50. Extension BT sockets £2.95. Packet of 50 plastic headed staples E2. Dualadaptor for taking two appliances from one socket 0.95 Leads with BT plug forcrenging old phones 3 for E2

WIRE BARGAIN - 500 metres 0.7mm solid copper tinned and p v.c covered. Only0 + Of post Ref 3P31 that's well under 1p per metre, and this wirers ideal torpush on conrections

INTERRUPTED BEAM KIT - this kit enables you to make a swear that will niggerwhen a stead', beam of infra -red or ordinary light is broken. Mae components -ralay photo transistor, resistors and caps etc Circuit degram but no case. Price£2 Ref 2P15

CAPACITOR kARGA1N - axial ended - 47000 m, 25v Jap made Normally 50peach, but you will get 4 for El Ref. 613

SPRING LOWED TEST PRODS - heavy duty, made by the famous Bulgurcompany Very good Qualify Pnce lour for Of Rel. 80597

SOLAR POWERED NI -CAD CHARGER 4 NI -CAD tettenes AA (HP7) charged ineight hours cr two in only 4 hours. It is complete, boxed ready to use unit. PnceEt. Our Ref. 6P3

50v 20A TRANSFORMER 'C' Core construction so quite easy to adapt for otheroutputs - tapped mains input only E25, but very heavy so please add E5. it notrellecting Order Ref. 25P4.

TFIEE POWER( Can be yours it you use our solar arils- sturdily made modules withiew system l rubble magnifiers to concentrate the light and so eliminate the need foractual sunshine - they work lust as well in bnght light. Voltage input is 45 - youen in senes to get desired voltage - and in parallel for more amps. Module A gives100rre. Pncs El Our Ref. B0631. Module C gives 400mA. Price 02 Our ref2P199 Moeda 0 gives 700mA Price 03 Our Ref 3P42

SWITCH AC LOADS WITH YOUR COMPUTER. This is easy and reliable rl you useour solid stae relay. This has no moving parts. has high input resistance and actsas a noise burner and provides 4kW isolation between logic terminals The turn -onvoltage is ncit crecal. anything between 3 and 300. internal resistance is about 1Kohm. AC lords up to 10A can be switched. Mee is E2 each. Ref 21'183

METAL PROJECT BOX. Ideal sue for battery charger. power supply etc. sprayedgrey, size 8' x 41/4" x 4" high, ends are louvered for ventilation other sees are fiatand undrilled. Order Ref 2P191 Price 02.

BIG SMOOTHING CAPACITOR. Sprague powerlytic 39.000uF at 50y £3 Our Ret3P41

4 -CORE FL.X CABLE. Cores separately insulated and grey PVC covered overall.Each copper core sued 76.2mm Ideal for long telephone runs or similarapplications. even at mains voltage 20 metres E2 Our Ref 2P196 or 100 metrescull 08 Omer Ret 8P19

13A PLUG& Good British make complete well fuse, parcel of 5 for 1£2 Order Ret.2Pl86

138 ADAPTERS - Takes 2 13A plugs. packet of 3 for £2. Order Ref 2P187.

29v -0 - - Mains transformers 21/2 amp 1100 watt) loading, tapped pnmary.200-245 upright mountings £4. Order Ref 4P24

POWERFUL 12V MOTOR was intended for Sinclair Flectnc Car, rating approx. 1/2HP Pnce 5.15 plus £2 post.

RE -CHARGEABLE NICADS 'D' SIZE these are tagged for easy joining together buttags ran eery be removed, virtually unused, tested and gntd 02.00 each. Rel.2P141, 6 or Mk Ref 10P47

RIP -OVER DIGITAL CLOCK - Quite an eyecatcher this is mains operated Thefigures Ile -ever per minute and per hour and grim a larger than usual visual display.Suppled complete with host and parsed( panels to glue together to make Its case.f2.00 eact Our Ret 2P205

QUICK RP MAINS CONNECTOR - A must or your workshop. Saves putting onplugs as you pet push the wires under the spring cups. Automatically off when lidis up. Price 07 50 Our reference 7P5/1

81 HANDSET with curly lead terminating at BT plug. Colour aearr Pnce £5 .00.Our reference 5P123

SINGLE SI:REEFED FLEX 7.02 copper conductors, pvc insulated then wit copperscreen, finally outer insulation. In tact quite normal screened flex. 10m for Of Ourref 8E1668 Ditto, but solid conductor 10m for Of Our ref 130668A

WHITE COLING SWITCH 5 amp 2 way surface mounting with cord and tassle.Made by "he famous Crabtree Company. Price El each. Our ref 80528

BIT TRAIISFORMERS - Normal primary. secondary 3.5v at 3rid continuous or20nd intermittent Ideal as a spark generator for boiler lighting, etc.. or with asimple voltage doubler druid would make a good ioniser Price £7 Our ref 7P7.8kv secondary 3mA Pnce Of 0. Our ref 10P56


1+ 10+

201.16200. ne12p, lop

20p

580

950E173DA6115

095730.10

15

20ts

f4M

119 HIGH STREETWEMSHROPSHIRE SY4 5TT TEL 0939 32689

TELEX: 35565

BARCLAYCARD

EAST CORNWALL COMPONENTSCATALOGUE available - range of components greatly increased - over 136 pages fully illustrated. Price £1.00 per copy (free upon request with orders over £15). Credit Tickets (3),Special Offer Sheets, Order Form and Pre -Paid Envelope. Order your copy now.

MARCHSPECIALOFFER

DRILL PRESS5 -speed single phase bench lop doll pressfor general purpose workshop use 1/HPmotor dimes the 13mm chuck via a pee beltand pulley wheels Table admstablelor heightand angle Filed with depth gauge anddepth stop Complele nth 4nstrucoon manualand chuck keyChuck cepactly D 13mmSpmdle speeds 600, 900.1250.1750.2600 rpmSpindle travel 50nirnChuck to table clearance 150mmChuckle base clearance 250mmDans 575 .120 v 200mmPower 210Vac 130W co 1420 rpm

£75.00 + £1.65 P&P + VAT

T.V. AERIAL ACCESSORIESCo Ax Cable 75 Ohm 100 Metre Reel Ell 00Co As Metal PlugCo Ax Lab SocketCo As Una Connector

Mebane SplittersIn lineSurface MountingSocket Sr/Mar/CombinerSocket SpIrner Comtner Switched3 -way4 -way5 -way6 -waySway Ideal for small hotels etcSingle Rush Mountrng OutletDouble Flush MounlIng OutletCo -Ax Leads - 2 metres - PUPLCa -As Leads - 2 metres - PUSockel71/Wee/Computer Combiner 7012TY Woe. Amplifier 7253Improves signal 3 Imes C16.95

E1575

Seemed Set Amplifier 7243Improves sore! to 2 sets 50%CB Irierlenere Sappremas 9700Minimises CB intederence on TVTV/16 (taperer IONSeparates UHF TV signals from FM redo signals

£559

ANOTHER SPECIAL OFFERUNIVERSAL P.C.B. ASSEMBLY JIG

TO ACCOMMODATE P C B SIZE UP TO MAXIMUM 265 s 238mm

OUR PRICE E15.00 (NORMAL PRICE OVER 050.1:01

SOLDERING SECTIONSoldeong Station complete with30W or 40W Iron (state whichl 72_93 Antes 15W iron 5.40XS25 W Iron krt complete writ Antes 18W iron 5.10stand, 1m lead & plug enached IA Antes 25W iron 510CS17 Iron Kr, 7.01 Ames elements 320C15 Iron Kr LA Ames bile 1.15XS25 W Iron Mt/complete with steel Antes stands 220& plug enached 1170 Soldersucker 239CS IOW. as above 1010 Spare mules for Soldersucker 0/0

ORVX PORTASOL GAS SOLDERING IRONPRICE E16.00 each. SPARE TIPS - 1, 2.4, 3.2, 4.13rurn E4.00 each

SOLDER. 60% TIN 40`So ALLOY229 Non corrosqe Mull, core Solder 5C0gm Reel £4.00 sack ID Reels 199 0.75

each189 Non -corrosive Writ -core Solder 500gm Reel £400 wee 10 Reels 14 an

web

BT APPROVED EQUIPMENTMaster Socket (Flush) DM Edenwon Lead 5 Mtr ELMMaster Socket (Surface) 1275 Wiring Tool 301Secondary Socket 1Flushl E1.90 Plug - 431A °leSecondary Socket (Surface) E1.70 Simnel Phone 117.-EBT Cable (per mete) 15p Viscount Phone FILMPer 100 metres E12.011 Conversion Kn &Line Jack Cord watt Plug El 25 Winng Dragon

12V TwinFluorescentLamp17 DoubleTubesAttractive white fining, ribbed Perspex diffuser. On/off switch.3ft cable. Transistorised circuitry. Keyhole fixing. 12V D.C. 8WTubes. Dimensions: 368 x 67 x 43 mm.Ideal for Caravans, Boats, Vans etc.

1+ 10+ 50+PRICE £5.99 £4.99 £4.50

6.90

12211133type Pnce0AF96 1M096 InDK96 2.711

DWI 1110

DY8627 116DY802 0_15

CV850 256C01015 1/15EIRIF 635EA8C80 OAEAF12 155EB9I 135EBC11

EBRO OMEC031 1115

ECC82 LAECC073

ECM 3ECC85 005ECM) 125FCC189 1.10ECHO OAECF82 0AECF13 1M

ECH35 100ECH81 1.6EC64 135ECM ONECUSEFS) OMEFS IN

EF91 21AEF95 1.70FF193 135EFIM ISE04I/I41EL36 271RBI 720E124 105ELZ5 600ELS &AELMS 71011519 ILOEM 110EMM 110EMIT 1.0.3

EY51 1195

0016117 ONDM OME6EGA 22/

EZ11

GY501

GZ32

KTTIKT8016 E CIPC2111

PC92

PC900PC118PCC89

PCC189PC110

PCF02

PCF01

Pa*PCF87

RUMP15701

PCFE03PCRIIIPCREQPcncisKamPCF608

PCI.82

PCUS3

PCI.81

PC1.136

PCL93

PC11135

PE/500PR.200

P570

R82

PON850685195098702P1811100PY82

P1118

PYSCOA

PY821

UABC130

LIAF42

UBC41

013C81

UCC85

UCF80

UCH4200181LICLI2

2851.40

1811501110

1203.115

1.6

OA030035INIIA

ON137

2./A2/10

125

1.10

1.10

1.75

13110116

7.55

090

116

25511523511135

OA715135275535.55

1.15

225

OA0.551304351.75

OA173SA2051.15

QUARTZ -HALOGEN SPOTUGHTHand held or hanging Heat remstant polo carbonatehousing, highK polished mtlector Protecuve lenscove+ doubles es base stand WIth OniEttf swathand 12h curly cable ierrnineurio in cigar bolster plugProduces 250,000 candle power 5 nines theintensity of average car headlamps.Power INd.c 45A 55W Dims 160 x 813 x 116m

NI -CAD BATTERY CHARGERUniversalPRICE

1 04.60 each10 E425 each

100+ 0.75 each

NI -CAD BATTERIESAAAAA

PP3

E1.25 E1.20 ea/10.90 .85 ea/10

0.10 E1.90 ea/10£2.50 0220 ee/10E4.10 0.90 ea/10

HELPINGHANDSWITHMAGNIFIER

£3.99

LOGIC PROBESimple to use - good grainy logic probe Desplays the log. elate of each gate of

CTIL -Mos, etc devices. Logo state displayed in light and sound. Pulseenlargement capabidy allows pulse delecton down to 25nsec.Suppled complete with comprehensive instrucoon manualSpecrkaaonWodung voltage 4 16VdcThresholds HI 70% Vcc, LO - 30% Vcc

1POSInput impedance I NolanMax input Irequency 20M10Order Code PRICE - E7.99

12 VOLT RECHARGEABLE UNIT10 v D v Size Ni-Cads 14 Ah) encapsulatedIn a black plastic case. Fuse holder. Gives12 volt output when charged. Ex -equipment. Fully guaranteed. Dimensions:245 v 75 r 750-nro.

£7.99 each + P&P E1.16 + VAT£7.25 for 10 +P&P EASO + VAT

CHARGING UNIT FOR THE ABOVE 12V UNITManufactured by Salt these chargers are suitable for the above battery packs leaadverased In the May ssue of 'WHAT VIDEO- Page 61 The chargers are statedas we have rnodrhed tern to a standard charger F-ull charge of the packs esdammed after 10-12 hours loverraght) charging Supplied complete with main leadand charging lead filed with a 4-pw plug I6 -pc plugversion evadable upon request) Although exequipment these chargers are lulK tested andguaranteedDimensions 335 260 n 150 mm

4 -PIN £10.00 6 -PIN £10.00 + £1.85 P&P + VAT

FULL RANGE OF TRANSISTORS,I.C's, CMO'sElectrolytic CapcitorsDisc Ceramic CapacitorsMetal Film CapacitorsMetal Oxide CapacitorThick Film CapacitorsPolyester CapacitorsPolystyrene CapacitorsMylar CapacitorsSee our catalogue

EITEUELEMIGoldklene Degreasing Aero Duster 1.55Solvent 1.78 Super 40 1.94Switch Cleaner Lubri 1.18 Rapid Fire Extinguisher 3.46Supa Frame -it 1.46 Silicone Grease Tube 152Foam Cleanser 1.26 Silicone Grease Spray 1.48Video/Tape Head Cleaner 1.14 Heat Sink Compound 1.20FlastimSeal 140 Solde.MopAero-Klene 1.16 Light gunge 0.08mrn 0.92Anti -Static Spray &list 1.28 Standatd gauge1.2mm 0.78Excel Polish 1.24 Industrial reel 1.2rnrn 2.90

DATA VOLUME I Trans data & drawingsA BUYDATA VOLUME 2 as above C-2 1111.75DATA VOLUME 3 200 -2567.5 610.20

Set of 4 £12.00DATA VOLUME 4 - 2SA & on f13.50DIODES VOLUME I 010.75DIODES VOLUME 2 ROM

Both Vokinws EMIIC CMOSIC TTL L19.50I.C.UN VOLUME 1 ELSIC UN VOLUME 2 661

Both volumes 0100THYRISTORS A to Z £1120TRANSISTORS A to Z 05.30TRANSISTORS 25-34 E7111

Both eohnhc El3S0Full ter E:1 .MONO Baas TWIM1110/

INTRODUCTIONIO SATEWTE TV.6.95112 pages -Sob Beginners and Professionals

ekeSand tor hrther information and list.

NEW REDUCED PRICESFOR TELEVISION SPARES

REPLACEMENT NC Cont.VIDEOHEADS

HR-0111EG16-0120E

18.0010.00

HR-0120EGHR.0121E

1110010.00ARAI

VP7100VP77EG

18.0018.00

HR-D121EGHR -0225E

18.0010.00

VP88EG 18.00 MR-0125EG 18.00VS 1 EGV52EG

18.0018.00

N.E.C.10.830EG 18.00

V510EGVS5EG

18.0018.00

N-831EGN-832

10.0018.00

VS9300EGV59500EG

18.0018.00

N-833EGPVC -2300

18.0019.00

V59700EGV59800EG

18.0018.00

PVC.2400NATIONAL

19.00

FERGUSON PANASONIC30003001

18.0018.00

NV2000NV3000

110018.00

30163022

18.0018.00

NV332NV333

1110018.00

31/233024

18.0018.00

NV37050430

25.9924.70

30293030

18.0018.00

NV460NV730

24.704675

30313035

18.0018.00

NV7000NV7200

18.0018.00

31/3631/313

18.0018.00

NV8400NV8600

180018.00

30393292

18.0018.00

NV8610VEH0121

19.5018.00

HITACHIVEH0218 20.10

V730000711EG

19.5628.75

SANYOVTC3000P 23.10

VT14VT33

atza26.75

SARPVCH200 2695

VT34VT4000

280020.75

VC300VC3300

20.9526.95

VT4200VT5000

76.7526.75

VC387VC9300

26.9526.95

VT7000VT8000

25.5025.5e

VC9500VC9700

261626.96

VT9300 25.50 sowVT9500019700

25.5025.50

SL-C44ESL -05E

28.0019.00

JVC SL -CBE 19.00HR2200EHR2650E

18.0018.00

5L-C6ES5L-C7E

110018.00

HRTL9I1FHRI8SE

18.0018.00

SL -FTSL-F3OPS

2110028.00

FIRInanFHR4100E

18.0018.00

SL.3000SL -C206

25.0020..00

HR7200EHR7600EG

10.0018.00

5L-C24E5L -C3067

280028.00

HR7600MSHR7610MS

18.0018.00

TOSHIBAV31 28.00

HR7650EGHR7700E

18.0018.00

V335470

28.0025.50

00-0110EHR.D110EG

18.0018.00

V55GV57G

18.0018.00

HR -0110E 18.00 09600 30.00

12121ECLEIBIRIAKAL 7100/11E0/IEGREDI0ECAEG/93130/9500,9700913011

2MFERGUSON. 316)/N01 /0010.3V22/3W3P3V24/3V73IND20311V361V383581292 215118010. VT300911E0/10.3134/484209/510/69M100019I3.8 00C9500.0

311641001206/6702A16191650/7(00.11(VD111/D1240121 270NEC. N830/1631/N1132/7638a0M2330/NC24130 145

04935. 0/8610 236SANYO. VIC3000P 168419*. VC20111173300687/6000093695009700 215SONY SL -044/56/751/F36300120/24/30 te70511110. 54755557 leVLAMP 01 020

LEEDMIMIMELI/LialliEEIZI1/4W 100 to 10M 1E12 Rangel 2p mech. 15p/10. 75p/100172W 282 to 10M 1E24 Range) 2p each. 15p/10. 75p/1001W 1019 to 2M2 1E12 Rangel 5p each. 40p/10. 3.00/100IVY lOR to 2M2 1E6 Range) Bp each. 60p/10. 5.00/100

P93038 Decca/E2C

SONY lUmversallP05031 Rank RenateP0330 Reps GB PlasocPHIUPS KT3 (Remote)P133020 PHILIPS K73 Non Text5031 PHIUPS Gll Remote651 113 CVC561.3095 PHILIPS GIITHORN 010 00E2 110.001

7513013035

17512035

LIMITED QUANTITY ONLY!!!OSCILLOSCOPES

TELEQUIPMENT D755. (NATO ap-proved version of D75). Dual Trace.Delay Sweep. 50MHz.

Price £280.00 eachCarriage £10.00 each Plus V.A.T.COSSOR CDU150. Dual Trace. 35MHz.Delay Sweep. Dual State. Portable 8 x10 Display with Manual.

Price £165.00 eachCarriage £10.00 each Plus V.A.T.

1=1111/4W pack 10 each value E12 - 100 to 1M 610 00.6 4.5014W pack 5 each value El2 - 1019 to 1M 305 pieces 2_95/4W pack Popular - IOR to 10M 1000 pieces 6501/2W pack 10 each value Eli - 202 to 2M2 730 pieces 7.751/2W pack 5 each value E12 - 282 to 2M2 365 pieces 4.701/2W pack Popular - 282 to 10M 1000 teems 9.501W pack 5 each value E12 - 2R2 to IM 353 pieces 13.752W pack 5 each value E6 - 100 to 2M2 317 pieces 21.75

ADDITIONAL KITS

10212333TRIPLER (towers:4

PHIUPS KT33002 196/17 Pea Focus

4.45

0.75

135

DISC CERAMIC 50VZENER DIODES SeaELECTROLYT1C5 R.R15E5 0/BLOW 2OrnmFUSES 74)ELAY 20rnmPRESET POTS -HPRE-SET POTS -V

125 pieces55 pieces

100 pieces80 piecesBO paces

120 pieces120 pieces

050rasaE725E3.75E7.506.75E6.74

02121311M0QUICK BLOW - 80rn0 100, 125, 160, 200, 250, 315, 400, 500. 630, 800,1A, 125, 15, 1.6 2, 2.5. 3,15, 4, 5. 6.3 45p/10TIME DELAY - 50mA 60, BO. 100, 125, 160. 200, 250, 315, 400, 500.EDO, 800, IA, 1.25, 1.6, 2, 25, 3.15. 4, 5, 6.3, 10 90p/10

1 DOMESTIC MAINS FUSES2A. 3A, 5A, 13A

REMOTE CONTROLS

PHIUPS KT330 leleterdPHIUPS KT333 Non TenTHORN 1718 TX910 3W LCTHORN 1720/24M/819THORN 7731/1738

1570159)14.25

15911

1570

1512111:110Z2183AKA( 2.15HITACHI 45000E 1.05JVC/FERG 3000/3022 2.20JVC/FERG 3V29 1.30PVC/714011N 3035 1.46JVC 3330 2.40

3360 2.347700 0.567650 0.68

NAT. PAN, NV300 1.62NW77 1.16NV2000 1.44NV3000 ISONV7000 130NV7200 1.30

SANYO VTC5000 0.460859000 1.25VTC9300 2.48

SHARP SHARP 5 1.62SHARP 11 3.06VC6300 2.10VC7300 1.72VC9300 1.10

SONY 51-05/7 1.64SL -C8000 2.50SL -C6 1.90

TOSHIBA 07540 La

El CO/10

ElIZELEMEM5COmA IA12A 50p/10

MAINS PLUGS13A FUSED

3 PIN1 (a 46p each10 (a 42p each100 4 35p each

SAFEBLOC

FOR QUICKLY AND

SAFELY TESTING

EQUIPMENT ON

MAINS VOLTAGE,

SIMPLY CONNECT

WIRE TO CLIPS AND

CLOSE DO £6.75

FM TRANSMITTERVery High Quality 'MINI -BUG' - Ideal forBaby Alarm etc.!1A Very good range m obtainable - we have obtainedover 1,2 tie, but n does depend on conditions.Simply remove cover - men battery - and you're readyto go.%capon can be obtaned on arty FM. Radio.Frequency. 105-109 MHz F.M.Power. PP3 9V Battery loot includedDimensions. 4.75" x 225" 0 077Order Cade - SOON Price: £8.50

CZ=Reel Motor SANYJ VIC 51934529010M DOHeel Motor SHARP V0931983) RMOTV 1680E721525Capstan Motor FERG/JVC 3035 PU55371V/M 2025.Anne Motor Recorder IN ON 3Com 115Ando Motor W ON 34mo 115

EMUSHAM NIDL 0015 GEZZ 1.6SNAP NIDL 0016 GEIZ 135IMAM 151R61131 IDLE60869R71 143-0-42010.M 2.95001101 GEAR IDLER 14364204-00900 431SANYO REEL DRIVE PULLEY VTC 5150

TAKE

143-0-1201 4A

10.116.100 UP IDLER PU51402/A 13111/011110.NC 225PANASONIC WP 031478 .75PANASONIC WP 0521 115

V -LAMP 145

TELESCOPIC AERIALSA comprehensive range of replacemen aerials for portable radios etc. All ofthese are genuine replacements made by the original manufacturer.BRAND NAME ORIGINAL NO. NO. OF CLOSED EXTENDED ORDER PRICE

LI1G111 LENGTH365mw 830nyn AEFVTEL1 0353301nm 870mm AER/TEL2 036252mrn 10127ne AER/TH3 0290330 mm 1050mrn AER/TEL4 0.111Famm 835mn AEIV1EL5 1270150nan 7I5mm AEFVTE13 £2.31Hann 242mrn AERrTEL7 E1.74

735mrn I125mm 605r182 03016Orren 13210ma AEWTELS E2.52737nyn 733nan AEFVTELIO 015330nm 7581m ADVTEL11 0.7465mrn 210mm AENTEL12 123

13Ernrn 565nsn AENTEL13 £1.95245mm 920mm AEWT014 015245rnm 920nrn AERTT I 15 1271

1001118ATOSHIBANEC

PANASONICJVCSANYOSANYOSONYSONY

HITACHIHITACHIAIWAAIWASHARPSHARP

9212471030

9212471103620E011

TSA8013018

VJA301600C4-2449705-4004-2443705-3301-501-152-12

1-501-722-11

5707115757742

81-190-605-01

81-503402-01OANTOX017CL72OANTFX30313CEZZ

ORDERING: All components are bran(' new and to full specification. PleaseEAST CORNWALL COMPONENTS add £1.00 postage/packing (unless otherwise specified) to all orders

and then add 15% VAT to the total. Minimum order £5.00. Either sendcheque/cash/postal order or send/telephone your Access or Visanumber. Official orders from schools, universities, colleges etc mostwelcome. (Do not forget to send for our catalogue - only £1.00per copy). Delivery by return on ex -stock items. All prices subject tochange without notice. RETAIL shop open Mon -Fri 9.00-5.00. Sat 9-12.00.

EDITORJohn A. Reddihough

Please note that the telephone numbers beloware for contact with the advertisement depart-ments only. Editorial enquiries should be sent tothe editor at the address given on page 313.

ADVERTISEMENTMANAGERDavid W.B. Tilleard01-261 6671

SECRETARYJanet Reeve01-261 6671

CLASSIFIEDADVERTISEMENTSPat Bunce01-261 5942

ADVERTISEMENTCOPY AND MAKE-UPRon Scorey01-261 6035

SUBSCRIPTIONENQUIRIES0444 440 421

CORRECTIONSLast month's cover photographshowed the JVC GR-C11 camcordernot the GR-C7 as stated on page 253.

In the section on the Panasonic Gdeck on page 198, January (VCR Clinic)Model NV -G48 should have read NV -D48.

Some misprints occurred in the arti-cle on j notation last month. A note onthese will appear next month.

COVER PHOTOThis month's cover photograph showsfocus bias adjustment being carriedout on a JVC compact disc player. Seenew series starting on page 253.

MEMThe Satellite Shambles

WMr

Amami

Tragedy, farce or just plain bungling? The start of satellite TV broadcasting in the UKshould have been a moment of triumph, the start of a new era in TV, leading to newprospects such as high -definition television. Instead, just look what's happened. Amakeshift start with almost no receiving equipment in the shops and unedifyingbickering between those who will be providing the services, Sky and BSB.

One cannot help but admire the drive that has gone into getting Sky started in amatter of months. It has been almost like the pioneenng initiatives that accompanied thestart of the BBC's first service in 1936. There are other parallels. First almost no directviewers - not all that many more than in 1936, though perhaps a few thousand ratherthan a few hundred. And secondly we have the perennial standards problems all overagain.

It's a far cry from the careful planning that has gone into the extension of TV servicesover the last few years. Channel 4 for example came in beautifully on cue and after thenovelty of the first night one might have been forgiven for thinking it has been there allthe time. Teletext was introduced with no fuss and few problems, and soon thoseinclined to do so were busy with their remote control buttons. All different this time.There's confusion amongst viewers, in the press and in the trade, and just where are allthose dishes we had been promised? Well, no one is going to go overboard producingnew equipment for a new, untried market, but that apart there seems to have been aproblem resulting from Sky's ad hoc approach to getting its services started. Thechannels were all to be unscrambled originally, financed by advertising. But then theowners of the film rights, the main attraction offered by the new services, cottoned on tothe fact that much of Europe would also be able to see the movies, and Mr. Murdochhadn't paid for that. To get over the problem, a hasty decision was taken to adoptscrambling. And that of course affected the design and production of the receivers,especially as it took a time to decide on the form of encryption to use. Presumably thedelays are a temporary matter and we shall soon see the High Streets awash with dishes.Maybe.

This sad start reflects the brief history of attempts to get DBS started in the UK.There was one false start after another. Originally the BBC, in early 1982, was given thego-ahead to start a two -channel service, hopefully in 1986. In the following year, 1983,the IBA was authorised to supervise a commercial service. By mid -1984 the BBC, underthe usual financial pressure, abandoned its attempt. A consortium that included theBBC, the fifteen ITV companies and others then had a go. By June 1985 the consortiumhad given up, reporting to the government that the project would not be commerciallyviable under the conditions laid down. There followed a year when little happened, andthen in mid -1986 the IBA was asked to try to start a service. This time there wasconsiderably more interest and several strong groups competed for the franchise. It wasawarded to BSB in December 1986.

BSB's planning has been meticulous, as you might expect of an organisation operatingunder the guidance of the IBA. It has undertaken a lot - to commission and launch itsown satellite system and to guarantee services to standards accepted as part of thefranchise. The cost has been huge. Exact figures are not available, but informed guessessuggest that over £800 million is being invested in the project. What it didn't plan for wasthe appearance of Sky on the scene, via the medium -power Luxembourg Astra satellite.

Despite having got there first, Sky has its problems - not only the shortage of dishes.The main problem will be to finance the service until the advertising revenue starts tocome in. It's a classic chicken -and -egg situation. No viewers, no advertising revenue; noadvertising revenue, no income to splash out on programmes to attract viewers. Theschedules so far made available by Sky suggest that second-hand sit-comm, soaps etc.will comprise much of the fare. It's not inspiring to say the least, but what can youexpect? Sky doesn't have the funds that say the ITV companies are used to.

The unfortunate aspect of the Sky intervention is that it could end up jeopardising thewhole satellite scene in the UK and with it the prospects for further technical progress,programme options and business opportunities. It's questionable whether there is roomfor one DBS service in addition to the present terrestrial services, but we are to start offwith two providing some eight channels between them. Dicey indeed. Especially whenyou consider what the viewer is being offered. BSB is to charge about £10 a month forits film channel while Sky will be asking £12 a month for its scrambled channels. About£120 and £144 a year respectively compared to the present colour licence fee of £62.50.Hardly a bargain, on these terms alone, regardless of the extra equipment required. Andthis brings us to the duplication required for both BSB and Sky. The TV systems aren'tthe same, the encryption systems are entirely different and whereas BSB has conditionalaccess Sky is to rely on a smart card. How many little boxes does that add up to?

To have made the most of the opportunities presented by satellite broadcasting acollaborative effort by all concerned would have been best, to plan carefully, prepareviewers and then start up the new services with the smoothness we had come to expect.But that sort of thing hardly goes with the new era of deregulated broadcasting. Insteadwe have had to watch Sky and BSB engage in public dispute that's purely counter-productive. It does not augur well for the future of broadcasting in the UK.


TeletopicsMULTI -SATELLITE RECEIVING SYSTEMMicro -X has become sole distributor in the UK of theMapro STVS satellite TV receiving system. Since thesystem is upgradable to provide dish tracking and hasinfinitely variable polarity selection it can be used forreception of all the available and proposed satellitesincluding Astra, the BSB craft and the Eutelsat andIntelsat series satellites. The basic price is £299 which with£60 for installation brings the total to £359: to add fulltracking takes the total cost of an installation to £584.These figures do not include the cost of decoders toprovide unscrambling of course. It's certainly a high -quality system with its steel dish, ferrite polariser andHEM (high electron mobility) transistor LNB. The latterhas a noise figure of 1-6dB. Mapro systems are being soldthrough Micro -X's network of dealers - Micro -X can bereached on 01-459 1200.

THINNER VHS TAPEJVC has developed thinner video tape to extend theplaying time with S -VHS -C and VHS -C equipment. Theseformats at present have a maximum record/playback timeof thirty minutes in standard play and an hour in long play(for 625 -line signals). Current VHS -C tape is 19 micronsthick, consisting of a 5 micron magnetic layer, a 13 micronbase film and a 1 micron backcoating. The new tape has a4.5 micron magnetic layer and a 10 micron base made of anew material called Polystone. This increases the playingtime to 45 minutes (SP) and 90 minutes (LP). Accordingto JVC a new high -stiffness binder ensures high tapedurability. No price or launch dates have been announcedso far.

SATELLITE TV LATESTSky Television has reduced its estimate of the number ofhomes likely to be able to receive its transmissions afterthe first year of operation from 2.5 million to 1.15 million.A total of around 2.5m is considered to be still achievable,but the guarantee figure for advertisers is now 1.15m. Onthe advertising sales side Sky intends to undercut ITVrates by some 25 per cent. Free repeats will be offered ifaudiences fall below the guaranteed figure. Advertisingagency Saatchi and Saatchi estimates that a total ofaround 420,000 receiving systems for Sky and BSB willhave been installed by the end of the year. At presentthere appears to be a shortage of equipment, possiblybecause manufacturers are reluctant to increase produc-tion until the orders start to flow in.

The Thorn -EMI rental division (DER, Radio Rentals,MultiBroadcast and Focus) reports a high level of interestand has ordered over 40,000 receivers from Grundig.These will sell at around £349 with remote control.Granada is buying equipment from Salora and Tatung.

BSB has awarded a £50m contract to operate itscustomer management and advisory service to BritishSatellite Systems, a joint venture company formed byNext plc and CableData Inc of California. The CustomerService Centre will be at the Arlington Business Centre,Leeds and will initially create 400 new jobs in the city. Itwill handle the enablement of all BSB receivers, willanswer viewer enquiries about equipment and program-

ming and will handle the administration of subscriptionsfor the BSB Movie Channel and pay -per -view events.Information will be transferred from the Centre to Next'smainframe computer in Bradford then to BSB's comput-ers at its Earth station at Chilworth near Southampton.Each BSB receiver will have a unique number, making itindividually addressable over the air so that it can beturned on via the satellite.

Super Channel was saved from bankruptcy when credi-tors accepted a plan which will mean they are paid only aquarter of the £8m they are owed. New owners BetaTelevision hope that the channel will now break even witha new programming arrangement consisting mainly ofmusic.

RTEEB 1988 VIDEO AWARDSteven Gerald Thomas has received an award of £100after achieving a 100 per cent pass mark in the Radio,Television and Electronics Examination Board's 1988video recording and playback practical test. Steven is 31and lives at Wirral. He's been in the trade for twelve yearsand is at present employed by Servicescope. This is thefirst time that anyone has obtained a 100 per cent passmark. Course tutor was none other than Joe Cieszynski,who writes regularly in Television.

FAULT GUIDESBoth JVC and Sony have recently published fault guidehandbooks, adopting a similar approach with a page toeach fault.

The Sony Service Fault Finding Guide Edition 2 isintended as a supplement to Sony's first three guides

no. S-795-100-01), TV (S-796-000-01) and video (S-796-202-01). A page is devoted to each fault symptom and theprice is still £4.95 per volume. The new Guide coversmore recent Sony models of all types, including CDplayers, 8mm equipment, TV sets etc. Its part no. is S-795-015-10 and the price is £7.95. These publications canbe obtained from Regional Sony Service Centres, SESLtd. or (account holders only) from the Sony Spare PartsDepartment at Thatcham.

The JVC Fault Diagnosis Guide Vol. 1, covering VCRsand camcorders, has a similar format but in additionincludes check points for each fault, a useful addition.Some 200 faults from the obvious to the obscure arecovered. The Guide is available from JVC (UK) Ltd. at£10.80. Write to JVC House, Eldonwall Trading Estate,Priestley Way, London NW2 7BA or 1 Olympia IndustrialEstate, Gelderd Road, Leeds 12.

S -VHS -C CAMCORDER WITH HI -H SOUNDJVC has release) details of the first S -VHS -C camcorderto feature hi-fi sound recording. Model GR-S707U has astandard size (62mm) drum instead of the usual 41.3mmdrum. This has been made possible by incorporating thedirect -drive motor inside the drum itself. The GR-S707Uweighs only 1.7kg: its body has been redesigned so that itrests on the shoulder for normal shooting.

Other features include a 360,000 pixel CCD imagesensor with 8 -lux sensitivity, two -speed x 8 power zoom, amultiple speed fast shutter, time-lapse recording, anima-tion recording, VHS indexing, variable speed search,noiseless still and slow-motion playback, auto/manual irisand white balance, backlight compensator, a stereo micro-phone, HQ specification, insert editing, audio dub, S-


video/AV sockets and optional remote control. It will belaunched in NTSC countries later this year - there are nodetails yet of a European launch.

INTERACTIVE TV SYSTEMA recent issue of the US magazine Radio -Electronics(December 1988) contained details of a proposedinteractive TV system to enable viewers to participate inTV game shows. It's called IGN (interactive games net-work) and makes use of computer technology, an f.m.subcarrier and TV sets. Those participating would use aninteractive games console which is linked to a controlcomputer in the studio via a telephone modem andreceives instructions on answering via a transmitted f.m.subcarrier. The system apparently meets FCC regulations.

VHS PENETRATIONJVC has released details of the growth and developmentof the VHS system. By the end of 1988 cumulativeshipments of VHS equipment worldwide had reachedsome 210 million VCRs and 11.2 million camcorders. Inthe same year blank tape sales were estimated at onebillion units with prerecorded software accounting for afurther 190 billion units. JVC points out that 60 per centof the VCR shipments have taken place during the pastthree years. The format was launched in Japan in theautumn of 1976. A million VCRs had been shipped by1978, when VHS was launched in Europe. The ten millionmark was reached in 1981 and the 100 million mark in1986.

The regional breakdown is as follows: Europe 45million VHS VCRs (21.4 per cent of the total); NorthAmerica 96.6 million (46 per cent); Japan 37 million (17.6

per cent); other areas (including the Middle East, Aus-tralasia and South America) 31.6 million (15 per cent).VCR household penetration is estimated as UK 60 percent, Japan 70 per cent, USA 60 per cent, West Germany40 per cent and France 30 per cent. The camcorder figuresare UK 1 per cent, Japan 8 per cent, USA 6 per cent,West Germany 3 per cent and France 1 per cent.

In NTSC areas S -VHS now accounts for some 20 percent of total VHS sales. JVC expects European S -VHSsales to reach 15 per cent this year with an annual growthof 10 per cent thereafter.

IN BRIEFThe Cable Authority is to review all franchises that havebeen awarded for over a year and intends to cancel anythat seem to be dormant. No work has been done yet ontwo of the original franchises awarded in November 1983- in Belfast and Liverpool. Several other franchisesappear to be stalled . . . Tatung is to install a new £4.6mproduction line in the UK with a capacity to produce100,000 monitors a year The existing colour TV receivermanufacturing facility is also being expanded . . . SixteenUS electronics companies have formed a partnership todevelop an HDTV system and facilities to produce HDTVequipment. The American Electronics Association hasbeen campaigning for such a move for some time and ishoping to obtain government funding for the research anddevelopment required . . . Frequency band allocations inthe UK, from lkHz to 60GHz, can be seen at a glance ona colour -coded bar chart that has been prepared by theRadiocommunications Division of the Department ofTrade and Industry. The chart is published by HMSO at£2.50 - quote reference ISBN 0 11 514637 7.

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Failure and SuccessLes Lawry -Johns

I seem to be giving up more often when confronted withfaults I could put right without thinking about it a coupleof years ago. Take the Fidelity CTV14R that came in theother day. The rear -mounted 18kfl wirewound resistorthat feeds the 12V zener diode ZD5 was open -circuit so Ireplaced it. Switching on brought no response however.There was h.t. at the collector of the chopper transistorbut it wasn't being switched on. I checked the drivertransistor and all the components associated with theTDA2581 control chip, including ZD5. A couple of itemsdidn't read right: I replaced these but the set still didn'twork. So I gave up and admitted defeat.

Then look what happened just before Christmas. Awoman brought in an ex -rental Multibroadcast set forrepair. I told her I'd phone when I'd found out what waswrong. It turned out to be fitted with the Thorn 9000chassis. The tripler and a couple of other things had gone,par for the course with these sets. I phoned her and gaveher an estimate for thirty pounds. At this she said mostemphatically that she didn't want the set done becauseshe'd paid only seventy pounds for it about two yearspreviously and had had to spend money on its since. She

told me not to do it and the set stayed in the shop into thenew year.

Honey Bunch started to moan about the sets that hadbeen left with us. Said they were cluttering up the shop.So when this chap came in and asked if we wantedanything dumped I pointed to the front row and he tookthem away. This included the Multibroadcast set. Severalweeks later a chap came in and asked to collect it. I toldhim it had been dumped and told him he could takeanother working set in exchange for it. He took a nice20in. Ferguson model and I didn't hear any more for aweek or so. Then the woman phoned to say that shewanted her Multibroadcast set back. I told her it had beendisposed of as she hadn't wanted it done and I couldn'tkeep sets that weren't collected. She said she'd sue meunless I could produce an identical set. I'm still waitingand the threat has been repeated. Oh dear!

I do have the occasional success however, sometimesafter a struggle. Take the Philips G11 that came inrecently. I repaired the line output panel and thought thatwas that. It wasn't. The picture was dark and the bright-ness control had no effect. Checks showed that there wasa short from one end of R6065 to chassis until plug 6C wasremoved. This led me to the power supply panel wherezener diode D4090 (BZX79-C4V7) in the beam limitercircuit had gone short-circuit. Fitting a replacement pro-duced a good picture with full control. I'm still waiting forthe set to be collected . . .

Book ReviewsAn Introduction to Satellite Television, new edition, byF.A. Wilson, published by Bernard Babini (publishing)Ltd., The Grampians, Shepherds Bush Road, London W67NF at £5.95.Such is the interest in satellite TV that a new extendedand updated edition of this book, which first becameavailable early last year, has now been published. It's auseful handbook for any technician thrown in at the deepend by the coming of Astra and BSB, beginning with thebasics and ending with the maths. Its prime virtue is that itdeals with today's requirements in the UK - so manyrecent books have been written mostly with the C bandused in the Americas in mind. H.P.

Getting the Most from your Multimeter by R.A. Penfold,published by Bernard Babani (publishing) Ltd., TheGrampians, Shepherds Bush Road, London W6 7NF at£2.95.Electronics changes so fast that the basics tend to beignored - with test equipment meters are neglected infavour of more sophisticated gear. A good multimeter willhowever usually tell you just about all you need to knowabout a circuit, provided you use the right sort and applyit correctly. This book shows you how. H.P.

Newnes Guide to TV and Video Technology by EugeneTrundle, published by Heinemann Professional Publishing,Halley Court, Jordan Hill, Oxford OX2 8EJ. Paperbackedition £8.95.This book is a successor to two well-known NewnesGuides - to colour television and VCRs. The materialfrom the earlier books has been revised, updated andadded to for this single -volume presentation. Its well over

400 pages contain a great deal of basic information ontelevision and video including such up-to-date subjects asMAC encoding, satellite TV reception and S -VHS. Thebook is not intended for those well versed in thesematters, but can be recommended as an easy to followintroduction for those new to these subjects. A carefulstudy will provide a good grounding in TV receiver andVCR operation in fair depth, and the book will afterwardsserve as a handy reference. It can be obtained by post atan inclusive price (in the UK) of £9.95 from Paul RichardsBooks, 28 Boscobel Road North, St. Leonards on Sea, E.Sussex TN38 ONZ. J.A.R.

More Advanced Power Supply Projects by R.A. Penfold,published by Bernard Babani (publishing) Ltd., TheGrampians, Shepherds Bush Road, London W6 7NF at£2.95.This sequel to "Power Supply Projects" is really intendedfor the enthusiast. Because it features modern regulatorchips however it's a handy book to have around. Parti-cularly useful if you have a power supply problem with anolder piece of equipment and decide to replace the wholething with one of the current three-legged devices. H.P.

IBA Technical Review No. 24: The D-MAC/packet Systemfor Satellite and Cable. Available to bona fide technicalpersonnel, engineers and students by application to theIBA, Engineering Information, Crawley Court,Winchester S021 2QA.The IBA began publishing this series of Technical Re-views in 1962 - No. 2, the Technical Reference Book, hasbecome almost the standard work defining the parametersof System I. This latest book looks like becoming thestandard work of reference on D -MAC, and is a must forthose who will have to deal with MAC equipment orexplain its operation to others. The overview alone settlesa lot of previously unanswered questions, especially as tohow the system is intended to be progressively developed


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through wide-screen to high -definition compatible TV.Vision, packet multiplex, sound and conditional access allget a chapter to themselves, as does line 625 - on whicheverything happens. Even energy dispersal is explained incredible terms, surely a first in satellite literature. Did youknow that the residual space in the sound/data multiplex

block has to be filled up, and that this is done with dummypackets which have the address 1023? Do you know thedifference between scrambling and encryption, and howNICAM works? It's all here, but I wish we'd been toldmore about Viterbi decoding, which improves the noiseperformance. H.P.

Servicing Compact Disc PlayersPart 1

One problem with a series such as this is that readers willhave different levels of both knowledge and experience ofthe subject. Thus there's a danger of either boring thosewho have serviced compact -disc players and have at-tended manufacturers' servicing courses or on the otherhand blowing the minds of those who have had little to dowith them. From my experience however I find that mostengineers who have attended short courses on CD playersfind it difficult to commit to memory the theoreticalaspects of the CD system and concentrate more on takingdown notes on stock faults with the player in question.This is not a bad thing of course, and does give theengineer struggling to keep abreast of the latest technol-ogy a degree of confidence and competence when he'sfaced with a player back at the workshop. As for theforgotten theory, you might question whether it's nec-essary. But if you don't consider it necessary to under-stand the theory of how the equipment you meet everyday works you wouldn't buy and read a magazine such asthis! It's possible to deal with a great many faults withoutfully understanding how the system works. What aboutthe difficult faults? Does a knowledge of the theory thenmake a lot of difference? It's a difficult thing to prove, butI personally believe that it does. So we'll begin at thebeginning, and I hope that even the more experiencedamongst you will find that some of the points you missedduring the courses start to make more sense the secondtime round. We'll be including plenty of practical hintsand fault-finding procedures as we go along.

In starting at the beginning the first thing to make clearis just what it is that the player recovers from the shinypiece of plastic we call the disc. This knowledge is vital foran understanding of some of the track skipping andjumping faults that regularly occur with CD players.

Disc Basics

The disc contains up to sixty minutes of left and rightaudio information in the form of 14 -bit words. In additionto the audio data over 200Mbits of data is added to enablethe decoder to carry out error correction and the controlmicrocomputer to operate the front display. In total atypical sixty -minute disc contains over 15,500Mbits ofinformation, in other words fifteen and a half thousandmillion noughts and ones are mechanically stamped on tothe disc. These noughts and ones take the form of pits andland, with a reflective aluminium covering. To play thedisc the beam from a gallium arsenide laser is focused onthe reflective layer, the reflected beam being picked up byphotodiodes. A pit reduces the intensity of the lightreaching the photodiodes whose output, after electronicprocessing, consists of the binary ones and noughts re-corded on the disc.

The data on the disc is laid down as a spiral track that

Joe Cieszynski

starts at the centre of the disc. During playback the laserscans the track at a constant velocity of 1.2m/sec, whichmeans that the disc must rotate faster when the laser isnear the centre than it does when the laser is at the outeredge. This method of scanning is known as constant linearvelocity (CLV) scanning, which is the opposite of theconstant angular velocity (CAV) technique used withtraditional audio disc systems.

Fig. 1 shows the arrangement of the track on the disc. Itconsists of pits and land of varying length, the lengthdepending on the data it represents. Fig. 2 illustrates this.Logic one is represented by an excursion from land to pitor pit to land, logic zero being represented by the absenceof an excursion, i.e. for zero the disc acts as a plainmirror. It can be argued that zeros are not in fact stampedon the disc but are added by the player during the signaldecoding process. We'll be going into this later on.

Disc Production

The important factors in disc production are that everypit is accurately stamped in and that the surroundingsurface (the land) is flat and even. When you consider thatthe pits are 0.6µ wide, 0.11µm deep and as little as0.85µm long you will appreciate the degree of accuracyrequired. Fig. 3 shows how a section of track wouldappear when seen through an electron microscope.

Centre hole Lead-in track

Audio trace area Lead -out track

15mm

1.6 -50mrn

116mm-

120mm -

Fig. 1: Layout of the compact disc.

Data

Pits

Land -

0 0 0

/ 1 1U 1

0

11

1

101101

0

Fig. 2: How ones and zeros are represented in the disc.

IDlii


When a recording is made the audio signal is firstconverted into a digital stream. The other data required isthen added. This encoding process is highly complex andwill be covered in detail later. The data is recorded on amaster disc which is used to produce stampers which arein turn used to make the discs supplied to consumers. Thecomplete process, illustrated in Fig. 4, is as follows. (1) Aglass plate is smoothed and polished. (2) A photo -resistlayer is applied. (3) The recording laser is focused on thephoto -resist layer. Its beam is modulated by the digitalstream. (4) After development, pits are present in thedisc's surface. These pits are 0.11µm deep and, as wehave already noted, the transitions from land to pit and pitto land represent the ones in the data stream. (5) Thesurface is coated with silver to protect the vital pit edges.(6) Nickel is applied to the glass master to produce ametal master. (7) The metal and glass masters are sepa-rated. (8) Mother plates are made from the metal masterby stamping. (9) The mother plates are used to makestampers. These are a "negative" of the final disc. (10)The stampers are used to mass produce the final discs.(11) A layer of aluminium is vaporised on to the finaldisc to form the reflective surface on which the CDplayer's laser will be focused. (12) A thin, non -transparentprotective film is added. This also acts as the contentslabel.

Note that the CD player's laser scans the disc from thetransparent side. As a result, so far as the laser isconcerned the pits are actually above the surface (see Fig.2). In other words when the data is read the pits arehigher than the surrounding land.

The precise minimum pit length is 0.833µ,m and themaximum length is 3-05µm. We'll consider the factorsthat determine this format, but first we must understandthe way in which the laser scans the disc.

Scanning the DiscWhen the laser's light is focused on the land part of the

disc the reflected light focused on the photodiodes pro-duces a positive output voltage. The pit height of 0.11µmis about a quarter of the wavelength of the laser light.When the laser beam crosses a pit - see Fig. 5 - part ofit strikes the pit while the rest strikes the surroundingland. The simplest explanation of the result of this is tosay that the light reflected from the pit is 180° out of phasewith that reflected from the land, so that cancellationoccurs. In reality the way in which this cancellation takesplace is far more complex, but as long as we appreciatethat cancellation does occur this is of no consequence. Thedegree of cancellation depends on the land/pit reflectionratio. Calculation shows that with a pit width of 0.6Atmand a focused laser beam (spot) diameter of 1.7/.4m morelight will always be reflected from the land than from thepits - Fig. 5(a) shows this. If this was not the case andthere was no output whatsoever from the laser pickup asthe spot travelled over a pit there would be no signal,which would play havoc with the focus and trackingservos.

When the spot is focused on land area - Fig 5(b) -maximum reflection occurs and the pickup produces ahigh output voltage. As the spot begins to pass over a pit- Fig. 5(c) - there's a reduction in the reflected lightand when the spot is over a pit - Fig. 5(d) - thereflected light falls to a minimum level. Fig. 5(e) showsthe resultant pickup waveform. Notice that the rate of theslopes between the pits and land is constant. Thus the

V/23 at0.6pmF7/7A

0.85- 3-05pm

Fig. 3: Track parameters.

1. Polished glassplate

Photoresist.

2. Photoresistcoating

Laser bearn.,

3. Laser cutting

4 Development

5. Silver coating 110 -

Metal master,

6. Nickel plating

Track pitch = 1.6 pm

101121

Metal-.rte7. Metal and glassp r-, I-1 masters separated

Glass

Mother_.EL Mother plate made

from metal masterMetal ---

Starnperms9. Stamper made

-Ln from metal plateMother -

10. Stamper usedto make disc

Disc

Reflectivelayer 11. Reflective

layer addedSignal surfaceof disc

Filmy

Fig. 4: Steps in the production

voutt

OV

12. Protective1 film added

of a disc.

lc)

101131

Logic ones

Pits

Id)

10114 1

Fig. 5: Relationship between the laser beam and the trackpits. (a) Beam passing over a pit. Note that the land areacovered by the beam is greater than the pit area. (b)Maximum reflected light - beam entirely on land area. (c)Beam beginning to pass over a pit - the reflected light levelis reduced. (d) Beam passing over a pit - the conditions forminimum reflected light. (e) Output waveform produced asthe beam scans the pits.

Beamdiameter

01131

Pits0 0 0 1 0

I t min = 0.833pm

Fig. 6 (left): Adjacent ones would be missed if the beamdiameter was such that it was able to cover more than onepit.

Fig. 7 (right): Minimum pit length - there must be at leasttwo zeros between each one.

decoder is able to detect vertical pit edges (logic ones) bysensing the centre of these slopes.

Minimum Pit LengthThe minimum pit length is determined by the laser's

resolution. At the reflective surface the spot diameter is1.7µm. If the pits were shorter than the beam radius,


1 0 0 1 0 0 1 0 0 0 01 0 0 01 0 0 0 0 0 0 0 0 0 01 0 0

0.83pm 0.83pm

t

1.390m 1.1pm 3.05pm

!l_f ji if

111111111111111111111111111

Original dataPit

Disc

Land

Voltage derived from laser beam

Output voltage after squaring

Decoder clocks output voltage waveform at 4.3218MHzsearching for transitions

0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 C 0 1 0 0 Data in decoder = original dataThree

One 14 -bit word merging bits One 14 -bit word

Fig. 8: How the disc is read. This diagram is the key to the whole compact disc system. The decoder detects logic one ascoincidence between a clock pulse and an off -disc signal transition.

more than one pit could be covered by the spot and thetransition between adjacent ones would be missed - seeFig. 6. As a general rule pit length should be equal to atleast the radius of the laser spot. The length of 0.85µmspecified for a compact disc is just in excess of this.

A second factor that governs the pit arrangement onthe disc is that two adjacent logic ones must not bepermitted in the data stream. If this was allowed to occurthe frequency of the light fluctations would be above theresolution of present-day domestic lasers. When we lookat encoding later we'll see that there are other reasonswhy the data must not have adjacent ones, and that inpractice there must be at least two zeros separating twoones.

Minimum pit length can be found from: length of onebit = disc rotation speed/data rate. For a compact disc thisis 1.2m/sec divided by 4.3218MHz = 0.27766µm. Withtwo zeros between ones the pit length must be at leastthree bits long (see Fig. 7). Thus one pit length = 3 x0.27766pm = 0.833pm minimum.

Maximum Pit LengthWhat about maximum pit (or land) length? We've just

seen that there must be at least two zeros between ones.The question we now have is "what is the maximum

Disc Motor =

Optical pickup

Pickup feed mechanism

L Raudio data

LPF HPreampoutput

Amp Decoderand RAM DAC

L/Rswitching

Data Control

motorR

outputFocus and SystemLoading

tracking control LPF HPreampservos microcomputer

LCdisplay

Disc rotationhservo

Controlkeys

P1171

Fig. 9: Simple block diagram of a CD player, showing thesignal path through the decoder, DA converter and filters;the four servo loops (the sled servo is included in thefocus/tracking block); and the control data take -off for LCdisplay drive.

number of zeros that can be present between any twoones?". The answer is ten. The pit rate generates afrequency component that's used as a reference by thetracking servo. We shall see later in this series that astream of more than ten consecutive zeros would makethe laser go off track. When we come to discuss theencoding process we'll see that there are other reasons forlimiting the data to ten consecutive zeros. The maximumpit length is thus ten logic zeros plus a logic one multipliedby the length of one bit, i.e. 11 x 0.277pm = 3.05p.m.

Binary Code

There are nine different pit lengths between 3 x0.2774m and 11 x 0.277µm. Each one indicates a dif-ferent set of binary numbers, and we shall see later thatthese numbers form 14 -bit binary words, each separatedby three merging bits.

Reading the DiscFig. 8 provides an overall view of how the disc is read.

A shows a stream of data representing a portion of audiosignal. This is stamped on the disc as shown at B. Whenthe disc is played, the voltage derived from the pickupdiodes is as shown at C. This signal is passed through asquaring amplifier to give the signal shown at D. This isthen fed to the decoder where it's checked against a4.3218MHz clock signal (E) generated in the decoder.Signal transitions are thus detected. On detection of atransition the decoder provides a logic one output: whenthere is no coincidence between a clock and signal transi-tion the decoder's output is logic zero. As mentionedearlier, the zeros are not actually put on to the disc but areadded by the player. The original data is thus recovered(F) and is checked by the decoder to determine what isaudio data, what is error correction data and what is LCDdisplay data. Once it has been separated, the audio data ischecked for errors, decoded and finally converted back toanalogue form.

Player Block Diagram

To complete this introductory article, Fig. 9 shows asimplified block diagram of a CD player. Followinginstalments will examine each section in detail.


Introduction to S -VHSUnless you've been on holiday in Outer Mongolia for thepast eighteen months you can't have failed to have noticedthe coming of S -VHS. It's now with us in practical form.We saw it first with the Pansonic NV-MS1 camcorder.More recently the NV-FS1 VCR, on which the practicalaspects of this article are based, has come along. SteveBeeching wrote about the basic S -VHS specification in theJuly 1987 issue - we'll recap briefly on some of this. Let'sfirst look at the improvements over the basic VHS systemand the way in which they are achieved.

As we all know, the horizontal resolution of the basicVHS system is in the region of 240 lines. Thus therecorded picture is noticeably lacking in definition withrespect to the original scene. To the average viewer this isno great hardship - they often tolerate poorly focusedpictures with a poor grey scale. It can be most annoying todiscerning viewers however, particularly those with cam-eras capable of a resolution performance of over 400 lines.S -VHS provides considerable improvement, with a speci-fied horizontal resolution of some 400 plus lines. This isachieved by increasing the f.m. carrier frequency so that agreater luminance bandwidth is recorded on the tape. Thef.m. carrier deviation is 5.4-7MHz compared to 3-8-4.8MHz with standard VHS. The wider deviation of1.6MHz instead of 1MHz improves the signal-to-noiseratio. Increased resolution/bandwidth will increase thenoise level: the wider frequency deviation counteractsthis. Noise is further reduced by employing a non-linearsub -emphasis system which varies the emphasis applied inproportion to the amplitude of the signal being recorded.

Fig. 1 compares the VHS and S -VHS signal spectra.Notice that with the S -VHS system the chrominance andluminance signal bandwidths do not overlap. This animportant feature of the new system since it means thatcross -colour effects can be eliminated as far as recordingand playback are concerned. To take full advantage ofthis the signals have to be kept separate, i.e. fed to thereceiver/monitor as baseband signals instead of being PALencoded, modulated on to a u.h.f. carrier and fed into areceiver via its aerial socket.

All in all the pictures are sharper and better contrasted,with minimal noise. Particular improvement can be seenon edges - such as door frames and the brick/stone detailof buildings.

S -VHS Tape and HeadsBecause of the wider bandwidth, newly developed tape

is required. Basic details of the tape construction areshown in Fig. 2. George Cole's article in the August 1988issue described the tape in some detail. The magneticlayer consists of ultra -high density cobalt -coated ferric -oxide particles applied with a binding agent that ensuresuniform distribution. The surface is incredibly smooth.

The new tape provides increased output at the higherfrequencies and reduced noise. The characteristics thatmake this possible are an 80 per cent increase in magneticenergy, higher coercivity (800-900 Oersteds) and higherremanence compared to standard VHS tape. The cassettehas an identification hole at the bottom, in the rear left-hand corner when viewed from the bottom.

The S -VHS system also requires the use of a different

Nick Beer

type of head. The amorphous type used has been em-ployed in professional equipment and also in some newermachines. Its laminated structure reduces eddy currents,improving the reproduction efficiency especially at thehigher frequencies. Noise is reduced by lowering thefriction between the head and the tape.

S -VHS EquipmentAll the S -VHS machines released so far are "dual-

standard", i.e. they will record/playback to the VHS or S -VHS standard. The identification hole in the cassetteprevents VHS recording with S -VHS tape and vice versa.There is of course incompatibility between the VHS andS -VHS tapes and signals.

Keeping the chrominance and luminance signals sepa-rate is a feature of the S -VHS system. Use of a low-passfilter to separate the luminance from the chrominancesignal to be recorded would have the disadvantage thatluminance information above 4MHz is lost whilechrominance information is still present in the luminancesignal spectrum. Instead, a comb filter is used. It employsa 128µsec (two line period) delay line with addition andsubtraction of the delayed and direct signals - theprinciple is similar to the use of a delay line in a PALdecoder. The chrominance signal is taken off via abandpass filter.

The comb filter technique gives rise to a problem whenthere is no line correlation in the video signal -a form ofdot interference can be introduced. The problem arises in

Chrome sidebands Luminance sidebands

GaindB

GaindB

mygi

0 1

627kHzchromecarrier

0

627kHzchromacarrier

1MHz deviation(a)

Chroma sidebands Luminance sidebands

;51

6

7 8

Frequency MHz

6

56 7

1 6MHz deviation

Fig. 1: Comparison between the basic VHS signal spectrum,shown at (a), and the S -VHS spectrum shown at (b).

A

B

Fig. 2: S -VHS tape construction. A is a 5pin high-levelmagnetic layer, S is an 0.3 prn undercoat layer, C is animproved 14pm ultra -smooth base and D an 07pm im-proved back coating.


(a)

3 5 7 9 11 13 15 17 19

2 4 6 8 10 12 14 16 18 20

(b)

Fig. 3: Connectors for S -VHS, (a) 4 -pin and (b) peritel. The 4 -pin socket connections are 1 luminance, 2 luminance earth,3 chrominance earth and 4 chrominance. The peritel socketpinning is as follows: 1 audio out right; 2 audio in right; 3audio out left; 4 audio earth; 6 audio in left; 8 functionswitching; 13 chrominance earth; 15 chrominance; 17composite video or luminance earth; 19 composite video orluminance out; 20 composite video or luminance in; 21casing/socket earth.

particular when switching from a monochrome to a coloursignal and vice versa. To overcome this a non -correlationcircuit which detects the presence of the 4.43MHzchrominance signal is used. It generates a non -correlationpulse when it detects this condition.

To ensure optimum conditions, separate luminance andchrominance signals can be fed into and out of S -VHSmachines. Fig. 3 gives details of the four -pin S socket andthe peritel socket connections for S -VHS use.

A 4.43MHz pilot burst signal is added to the line syncpulse whilst recording and is removed during playbacksignal processing. Its purpose is to indicate by its phasewhether the signal being recorded consists of compositevideo or component video (luminance plus chrominance).For composite video the pilot burst phase is 90° withrespect to the U signal phase axis while for componentvideo its phase is 270°. With composite video a luminancecomponent at about 1MHz is present in the chrominancesignal and is not, of course, removed by the bandpasschroma filter. If not removed it gives rise to a dot patternon the picture. A 1MHz trap is used to delete it, beingswitched in automatically when a 90° pilot burst is

detected.During playback the machine must establish whether

the recorded signal is of the VHS or S -VHS type. This isdone by checking whether the output from the playbackpreamplifier contains a 3.8MHz (VHS) carrier compo-nent. A peak detector amplifier is used for this purpose.Its output is integrated and smoothed and is then used tocarry out the appropriate switching. With S -VHS thecarrier deviation is 54-7MHz and the output from thepeak detector will be low.

In conclusion, my thanks to Panasonic for providinginformation. My first impressions of S -VHS are of theundoubted improvement it provides. I think that theboom will come in the camera section of the market as thedifference is more noticeable and the price differential issmaller. A camcorder costs around £1,600 compared to£1,300 for the equivalent VHS type. The Panasonic NV-FS1 VCR costs around £1,000 and includes hi-fi stereosound and a NICAM decoder. At present there's a certainamount of confusion amongst customers as to whether anew 1'V set and VCR (for camcorders) will be required.This is not being helped by lack of sales staff training. Anadvantage of having an S -VHS camcorder is that an editedcopy of an S -VHS recording can be made on to VHS ofequal quality to an original VHS recording, i.e. there's noloss of quality as there would be when copying from amaster VHS recording. This means that there is somecompatibility between the two systems.

next month in

EXTRA: SPARES GUIDENext month's issue contains the 1989 edition ofour TVNCR E pares Guide, a handy reference toscurces of spares for TV receivers and video equip-ment, listing brancs, manufacturers and sparesstockists.

THE B & 0 L/LX2500/2800This Bang and Olu:sen series of colour receiversincorporates many state-of-the-art features includ-ing microcomputer control and stereo sound sig-nal processing. It can be used as the central part ofthe B and 0 _ink system, giving control over anycompatible h-fi/T\dvideo equipment. Nick Beerprovides a guide to the chassis and some notes onfaults encountered. OPERATIONAL AMPLIFIERSThe audio and servo areas of VCRs and CD playerslend themselves to the use of operational amplifi-ers, which are also found in various control sys-tems. Keith Cumm ns describes the operation anduse of these versatile units. THE PHILIPS VR6470/VR6670- and clones suct as the Pye DV468/562/761 andTatung VRH8495. Notes on common faults,contributed by Barry Loughran. THE TRINITRON TUBEAn account of recent developments incorporated

Sony's CTV tibe and details of alignmentprocedures. TEST REPORTEugene Trundle h 3S given the Crotech 3133 oscil-loscope a thorough trial and finds it well suited tothe TVNCR works top. CD PLAYER SERVICINGNext month's insalment takes a detailed look atvarious types of laser assemblies.

PLUS ALL THE REGULAR FEATURES

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LettersDEALING WITH SM DEVICES

I read with interest Ian Bowden's letter (January issue) onreworking surface -mounted components. The company Iwork for has recently invested in equipment for surface-

mounted production and as a result I've had to findsuitable rework methods and equipment.

I found that a large number of equipment manufactur-ers were willing to sell me infra -red or hot-air reworkequipment, usually including precision X -Y -Z move-ments, microscopes, compressed -air solder cream dispens-ers and so on. While these items may be desirable forprofessional or military applications, they would involve avery large financial outlay (thousands of pounds) andanyway I've found that they are quite unnecessary.

I remove small chip components (resistors, capacitors)using a pair of electrically heated tweezers. These areavailable from some large electronic component distribu-tors. They are rather like a soldering iron but have twospring -loaded elements and two tweezer -like bits whosetemperature is adjustable over a wide range by means of aknob on the associated control box. Components can beremoved and replaced in seconds using the tweezers.

Surface -mounted i.c.s most commonly have the gull-wing dual -in -line package. I use a hot-air pencil to removethese. Again there are a number of these items on themarket. Points to look for are a hot enough temperatureand the ability to set the air flow to a very low value withabsolute smoothness and regularity of flow. If this cannotbe done the tool is useless for resoldering with soldercream - it gets blown all over the board. Don't assumethat well-known manufacturers' items are suitable in thisrespect. I've not found it necessary to use an inert gasinstead of air though some units have provision for this. Itwould probably give better joints.

Using a hot-air pencil I remove an i.c. as follows. Inserta pair of extractor tweezers (e.g. RS549-820) under thei.c. and heat one row of legs. When all the solder hasmelted, gently lever the row of legs clear of the board.This obviously stresses the opposite row of legs, so it mustnot be overdone or you will end up with lifted tracks.Now heat these other legs and lever them up - the i.c.should then lift clear of the board. Clean the PCB padswith desoldering braid and a conventional soldering iron.

I.C.s can be replaced using either solder cream and ahot-air pencil, soldering one row of legs at a time, or lowmelting -point solder and a conventional fine iron. Don'tworry unduly if solder cream appears to bridge adjacentlegs - it usually goes to all the right places when heated!Some care is required to apply just the right amount, andhere a compressed -air dispenser is useful. Too muchcream will certainly lead to bridging and if it gets underthe i.c. it will remain there as the heat cannot reach it.

I've not had to remove and replace the square flat -packi.c.s with legs on all four sides (thank goodness!) but I cansee that with these it would be necessary to desolder theindividual legs.

To summarise, I would suggest that anyone who repairsequipment using surface -mounted components shouldconsider purchasing the following: electrically heatedtweezers, a hot-air pencil and an ultra -miniature solderingiron. Smaller items should include: low melting -pointsolder (contains silver, which prevents leaching with some

components), tweezers and large needles (very useful!).I've found one particular range of surface -mount toolsuseful and of excellent quality. They are made by aGerman company, Daturr, and are distributed by STCComponents, Verospeed, OKI Industries and perhapsothers. The hot-air station costs approximately £500 andthe heated tweezers approximately £200.

Finally, try to order components that are marked - itmakes life a lot easier. Surface mounting is nothing tofear, though it may be an incentive to get some newglasses!Paul Barton,Harrogate, North Yorkshire.

FERGUSON TX10 CHASSISEvery picture tells a story: how many readers spottedsomething wrong with the TX10 chassis picture shown onthe front cover of the January issue? K. Rutherford'sexcellent article on servicing the Ferguson TX10 chassismentioned insulation breakdown with earlier focus con-trols. This is something of which most of us are by nowwell aware, and we fit the modified type that includes twoplastic pillars to stand the control off the metal chassis.Obviously the repair technician who dealt with the setshown in the picture didn't see the need to fit these!Alan Shaw,Bolton, Lancs.

EHT ARCING

I was interested to read the article on dealing with e.h.t.arcing (January issue) and found much of what it saidboth valid and good sense. I feel I must take the author totask on a couple of points however.

First, it's not true that manufacturers don't see fit tosmear silicone grease under the cavity connector's cover.My company handles a lot of repairs to ultra highresolution video monitors, and with these it's by no meansuncommon to see large quantities of white silicone greasein this position. Notably one very large Japanese manufac-turer who also makes TV sets does this.

Secondly, the use of silicone rubber compound aroundareas that are likely to discharge is also widespread. WhileI agree that this compound should not be used to "seal in"faults, I see no valid reason why it shouldn't be used toprevent the ingression of moisture into likely troublespots. Indeed I have modification instructions, from thesame Japanese manufacturer, advocating its use.

Finally I don't believe that just because the manufac-turer didn't do it in the first place this is a reason for notsubsequently doing it. I could cite many cases where setsare installed in houses belonging to old people who smokeforty cigarettes a day and run a Calor gas heater throwingout about a gallon of water an hour, the result being thatthey go through an e.h.t. connector about once everythree months. The only permanent cure for sets operatingunder these conditions is to seal the cap so that themoisture canot get under it in the first place.G.H. Darby, Proprietor Monitech,Earls Barton, Northampton.

PROBLEMS WITH RANK SETSMay I say thanks to Colin Doman (Letters, January) forhis suggested modification to get rid of the accursedteletext lines with sets that use the Rank A823 serieschassis? I'd been struggling for some time with one of


Thread

la)

Circlip A 3/4 in. (22 mm) washer,- with 7/32in. 15moll

centre hole

-IA I(b)

A

A = 1/8 in.

(b1291

Fig. 1: Making a nylon bush for Rank tuning mechanisms.Cut out the nylon washer as shown in (b).

these sets. I'd tried Mr. Catchpole's suggestion of extrawindings on the line output transformer but the lines werestill visible. The net result was to increase the field scan byten per cent, out of the range of the height control. It's auseful idea however if the 40V line is still low afteradjusting the h.t. to its correct level of 200V - cheaperand quicker than replacing the LOPT. John de Rivaz'spulse generator circuit didn't help but Colin's modificationhit the nail, or perhaps I should say the teletext lines,squarely on the head. Well done Colin Doman. Tenminutes after reading his letter I was out of my misery.

Much has been written about the shortcomings of theRank -Bush -Murphy channel selector pushbuttons. Here'sa way of making those dreaded nylon bushes so belovedby Rank. First obtain a number (as required) of 22mmdiameter by 4mm thick nylon washers. Remove the tunerfrom the set, unplugging all the leads. Dismantle thebutton unit on a table or bench, noting the positions of allthe buttons, washers, springs and screws. Place them outof harm's way before beginning the next phase of theoperation, which is to remove the broken bush from thesprindle and also circlip A - see Fig. 1(a). Since the circlipis made of mild steel, with a little care it's unlikely tobreak.

Place the nylon washer in a vice and drill a 7/32in.diameter hole in the centre. The point to note here is thatyou will be using the threaded part of the spindle to makea thread in the nylon washer, so gently does it whendrilling - if too much material is removed it won't bepossible to thread the washer. While the washer is still inthe vice, push the spindle into the hole from the cross endand carefully twist it, using pliers if necessary (a smalldrop of thin oil on the spindle will help), until a thread hasbeen cut.

Remove the washer from the vice and mark it out asshown in Fig. 1(b). Remove the excess material, using asmall hacksaw and a file to complete the bush. Fit the newbush on the spindle, taking care over two points. First thatthe bush is fitted the correct way round, and secondly thatit runs smoothly along the thread of the spindle. Remem-ber that you will have to carry out the tuning procedurewith the tuner installed in the set, using those horridbuttons. Finally, as all the best manuals say, reassemble inthe reverse order.

Incidentally, a friend has for sale a 45ft Versa towercomplete with rotator. If anyone is interested let me knowand I'll pass the offer on. Buyer collects.D.R. !sham, Windy Ridge, Mount Pleasant Close,Buckingham, Bucks MK18 1DN.Telephone 0280 813 770.

FOR DISPOSALDue to shortage of space I have for disposal several TVsets - two Thorn 1500s (24in. models), an early Thorn1500 with 19in. tube, a huge Ekco T420 and a KB Warden- the latter two are dual -standard sets. All are basically

sound but require some attention. A line or telephone callbefore visiting would be appreciated.W.J. Knight, 532 Rochester Way,Eltham, London SE9 1SQTelephone 01-850 4147.

WANTEDAs a collector of vintage TV sets I'd like to buy a v.h.f.pattern generator, preferably transistorised, to set themup. I'd also like to buy a pre-war set to add to mycollection. If anyone has such items for sale, please let meknow.R. Howells, 6 Dunlin Drive, Spennells,Kidderminster, Worcs DY10 4TA.

Could anyone supply an operating manual and/or servicemanual for a Sony "S.E.G. 370P" PAL special effectsgenerator? The instrument was made for Sony in 1979 byShintron in the USA. Photocopies would be acceptableand all costs would be met.A. Kitching, 67 High Street, Great Broughton,Middlesborough, Cleveland TS9 7EF.Telephone 0642 710 955.

Can anyone supply a service manual for the HitachiVT5500E VCR? This is no longer available from themakers. I'd be willing to pay the going price of £22 for acopy.Steve Field, 82b Cliff Road,Hornsea, E. Yorkshire HU18 1HX.

Can anyone supply a tuning panel for the Ferguson 3V31VCR - it's the one with the two microcomputer chips on it- and a good A51 -570X tube? Second-hand items will doso long as they work.J. Olijnyk, 9 Woodview Terrace,Weston -super -Mare, Avon BS23 3PF.Telephone 0934 417 441.

SERVICING PRECAUTIONSAs expected, my article and subsequent letter on theAmstrad CTV2200/2210 produced some comments. Mythanks to J.E. Jones (January) for his interest and the tipabout C845.

Another point - which could apply to many another TVset or VCR - is that the fuses (F501/2) are often loose intheir clips. I always remove both and retension all theclips by bending, at the same time checking the fuse typesand ratings. They can easily be overlooked as a result oftheir inaccessibility. Similarly we always check theplugtops of all items that enter the workshop. Mostrequire refitting. The fuse ratings, clips and cord grip canbe inspected at the same time.

If a set has lost its feet we always replace these toensure adequate ventilation - even if the set lives on astand (someone may remove it one day!).

In reply to S.J. Cain's interesting letter, anyone whoregularly services a large cross-section of CTVs will knowthat it's often impractical and sometimes impossible toreplace semiconductor devices with the original types.This is, after all, why we have equivalents books! Use ofthese, coupled with experience, will enable a good, sound,safe alternative type to be fitted. A device that is "better"than the original can usually be selected. I keep a verylarge stock of semiconductor devices, but it's impossible tokeep every type and customers are not prepared to waitweeks while the exact part is obtained. It would have been


almost a year in the case of the 2SC3156 transistor!When the first Amstrad CTV2210 came into my work-

shop I borrowed a service manual and a 2SC3156. A fewdays later it failed again. At the time spares could beobtained direct from Amstrad, but neither the manual northe 2SC3156 was available. The latter item was on orderfrom Japan. Maybe Mr. Cain had bought the lot? When Iopened an account with CPC it was the same story. Iwrote to Amstrad's technical department for advice abouta suitable alternative, but didn't receive a reply. As nodata on the 2SC3156 was available, the circuit was studiedand several alternatives were tried - successfully. The ideaof using a D type with a parallel diode and base -emitterparallel resistor was to provide the device with greaterprotection against mains spikes, which could have contrib-uted to its failure. We can't always assume that electricalinstallations/adaptors are perfect.

Incidentally the Amstrad spares agent doesn't seem tobe able to obtain R814, a special 20W, 2751 resistor thatfixes to the chassis via a steel bracket. Under the partnumber a standard 17W, 275/ wire -ended resistor issupplied. I don't consider that this is a valid replacement:not only is it lower rated, but the bracket doesn't fit.

To put the matter of safety into perspective, if a fire didoccur negligence would have to be proved. Provided thatrepairs are carried out in a careful, neat, sound andworkmanlike manner (unlike some I've seen perpetratedby so-called trade engineers), that any equivalents fittedare carefully selected, that safety components are replacedwith the same types, that fuse ratings and types as well ash.t. rail voltages are checked as a matter of course, thenno problems should arise.Dave Mackrill,St. Leonards on Sea, East Sussex.

A Simple Channel 1 ModulatorIn the November and December issues last year I wrote indetail about 405 -line TV and mentioned a Rediffusionmodulator conversion. A letter in the January issuepromised further details of this. The unit concerned iscalled a translator and is available at very modest cost. Itcontains a u.h.f. tuner with i.f. strip that provides videoand audio (to drive a loudspeaker) outputs, an h.f.converter, an h.f. modulator and a power supply.

Until now most people who wanted a Band I modulatorbuilt David Looser's excellent design (Television, October1984). Making use of the Rediffusion units provides asimpler approach with equally high -quality results. Youhave to buy two of the Rediffusion units to obtain twomodulators. This will leave you with two perfectly goodoff -air tuners - see later.

Modulator ConversionThe first step is to extract the h.f. modulator can - it's

the tuner -like can on the right-hand PCB, near the mainstransformer. The circuit of this module is shown in Fig. 1.Conversion details are as follows.

Replace R2 (vision modulator only) with a 3.9kflresistor.

Replace R8 with a 56012 resistor.Replace C7 with a 22011 resistor.Replace R13 with a 10pF capacitor.Replace C8 with a 68pF capacitor.Replace C9 with a 47pF capacitor.Delete R22, C16 and C12.In the sound modulator, remove Tr2 and connect a

47kS1 resistor between the base and emitter connections.Replace X1 with a 41.5MHz crystal in the sound

modulator and a 45MHz crystal in the vision modulator.Add a 2.2kSi resistor across the crystal on the back of thePCB to provide damping.

Add a 100pF capacitor from the carrier test point tochassis.

In the vision modulator, add a 1N4148 diode in serieswith R1 (cathode to R1).

These points are all shown in Fig. 1.Connect the r.f. OV pin to the modulator's case.The r.f. output obtained from the circuit shown in Fig.

Jeffrey Borin, B.Sc. (Eng.), A.C.G.L, M.LE.E.

1 is about 30mV r.m.s. The arrangement shown in Fig. 2provides two r.f. outputs, with the vision at 22mV peak -

to -peak and the sound at 10mV peak -to -peak.Each modulator is best aligned with the other one

turned off. It's easy with a wide bandwidth scope lookingdirectly at the output. Otherwise look at the demodulatedvideo using a receiver or diode probe. Set Ll for maxi-mum output. It tunes very broadly and the tuning is notcritical. With the vision modulator feedvideo signal (625 will be perfectly o.k.) and set RV1 forpositive modulation with zero carrier at the sync tips. Ifmonitoring demodulated video, set RV1 so that synccrushing is just avoided. Without a scope, adjust RV1until sync fails, then back off a bit. With the soundmodulator, use RV1 to set the unmodulated carrier to10mV peak -to -peak. Alternatively feed in about 100mVof audio tone, with the gain control at maximum, andadjust RV1 until distortion is just heard on the demodu-lated sound.

If you don't want to order crystals specially you couldtry using a series LC circuit, adjusting on test with acounter. Omit the 2.21(11 damping resistor.

I have not had a chance to look at the modulator'soutput on a spectrum analyser - if some lucky person hasone, could they please tell me just how revolting theoutput looks!

These modifications have been thoroughly proved onChannel 1 but not on the higher channels. With appro-priate crystals they should work throughout Band I, butthe MC1496 modulator chip is not really suited to BandIII use.

Sources of PartsWhen ordering crystals, specify 41.5MHz and 45MHz,

third overtone, series resonant in HC18/U style. There areno tight tolerances involved. Quartslab Marketing Ltd.(PO Box 19, Erith, Kent DA8 1LH - 0322 330 830) canprovide 45MHz crystals ex -stock at £2.50 inclusive;41.5MHz crystals cost £5.25 with a delivery of two -threeweeks. McKnight Crystals Ltd. (Hardley Industrial Es-tate, Hythe, Southampton SO4 6ZY - 0703 848 961) havea same -day service at £11.50 per crystal inclusive.


0Signal input 10

Video inputSKI

Audio inputSK2

C

Tr2

10n

iOn

10n

1k8

2

4k7

12

10

3

31C1

MC1496P

2

4 514

R22

180 "C7"220*

R8*560

220 220

RF out10n

18k

C161.

RF OVCarrier

0TP

3k3"RIS' C121

10p* 2k2*

.7 p 51*

1747 Tr1

C8*

*Changed or added-1-Not used

C9 *47p

5k6 C10

ISignal input

Alternative arrangement for sound

12V

Top

RF output

Fig. 1: Circuit diagram of the Rediffusion h.f modulator, showing the modifications required.

R10 R1251 24

Fig. 2: Suggested input/output arrangements.

2T2 onpower panel

xCuts

-x

LS orsocket

O12V

Part PLO 8 19 Video

1 100 wIlxit

Signals panel PLF21

'4" Ii91 10 Part PLC

Cuts- X -X 100k

I 21 Part PLA

Power panel

Volume

Fig. 3: Making use of the tuner section of the unit.

The translators are available from Stan Willetts, 37High Street, West Bromwich, West Midlands B70 6PB -021 553 0186.

Using the Tuner

You now have a working Channel 1 modulator. Whatabout the tuners? Here's how to get the best from them.Fig. 3 illustrates most of the following points.

First ensure that only the mains input flex goes to oneside of the mains switch. The other side of the mainsswitch should go to only the L and N tags on the power

101231

supply panel. Mains earth must be connected to the earthtag at the front right of the power supply panel.

Remove all wiring to the "octal" output plug and"octal" socket on flylead. Remove the lead to PLB on thepower panel but retain for reuse. If the h.f. modulator isto be converted to a Band I modulator remove it from thepower panel.

Install sockets on the back panel for video (suggestBNC), audio (suggest phono or XLR) and loudspeakeroutputs. Alternatively a small speaker could be squeezedinto the case. I've not tried this, but if you want a linelevel balanced output T2 on the power panel might beused to match the speaker level output. Volume wouldthen have to be preset.

Clip the wires from SKE on the power panel. This pairoriginates at PLE on the signals panel. Connect the freeend to the loudspeaker or socket.

Use the lead and connector removed from PLB toconnect the video output from SKF (virtually at the front,under the tuning button assembly) to the video outputsocket. Include a 1005I resistor in the inner to get the levelabout right. It would be possible to design a T -sectionnetwork to give an accurate output match.

Take the audio output from PLD - refer to Fig. 3.Fit a 100kfl potentiometer on the front panel to act as

the volume control. Connect to PLA and PLC as shownin Fig. 3. The preset control previously used as the volumecontrol, on the power panel, can be used to set themaximum volume.

If all eight tuner buttons are stuck in they can bereleased by pushing the latch bar with a small screwdriver.This is not obviously visible. Looking at the back of thetuning assembly, reach into the left side beyond buttonseven. The latch bar is level with the buttons, virtually atthe front of the assembly.

Under the mechanism, behind each tuning button,there's a fine leaf spring. This is actually the bandswitchused to select between u.h.f. and Rediffusion h.f. Buttons1-7 are normally set to u.h.f. and button C to h.f. It'ssimple if rather fiddly to change the C switch to u.h.f. bysetting the spring to the same position as on buttons 1-7.

If the door over the tuning presets is missing or the littleorange trimming tool is absent, the a.f.c. will not work. Avariety of possibilities can be adopted, from matchsticksand sticky tape to a separate proper a.f.c. switch.


TV Fault FindingRank T24 Chassis/Toshiba C1695B1 etcThis fault fooled one of our engineers since it producedsymptoms similar to those with a duff line output trans-former - at switch -on the set gave one squawk then shutdown in the standby mode. The effect was of heavyloading in the line output stage and was due to zenerdiode D472 in the overvoltage protection circuit beingleaky. It's a 6.2V device, type BZX79B6V2. E.T.

Philips 2B ChassisWe have a large number of the version two of this chassisout and are beginning to get a steady stream of them backin the workshop with the BUT12 chopper transistor short-circuit. In all the cases I've seen there have been dry -jointson the chopper transformer. I haven't had a set fail afterresoldering these joints. Philips recommend however thatif you experience further BUT12 failures for no apparentreason the device should be replaced with a 2SC3973Band the value of R3671 should be changed to 221/, 5W.

When the BUT12 fails it sometimes goes short-circuitcollector -to -base, which rather upsets the rest of thepower supply. Usually it damages T7686, 17685, D6686,D6672, D6671, D6670, D6690, R3687, R3670 andC2690. P.B.

Grundig Cinema 9050

The problem with this projection set was intermittent nosound or vision. When the fault occurred the mainsvoltage didn't reach the TV power supply. Relay 601wasn't pulling in because T6021 on the "omniplatte"wasn't being turned on.

At the top left-hand side of the set (viewed from thefront) there's a microswitch that should operate when thescreen is up. It was faulty. P.B.

Philips NC3 ChassisThis set came in with a shorted BUT11 chopper transistor.After a fruitless check on the components that couldpossibly have led to its demise we fitted a replacementwhich immediately failed. The cause of the trouble wasthat R418 was open -circuit. This resistor is connectedbetween pin 9 of the chopper transformer and the junc-tion of L403/R409, not in parallel with R425 as in all thecircuit diagrams we've seen. P.B.

Sony KV2052

One of these sets came in recently with a blown up powersupply. A major rebuild cured the problem for two daysafter which it again blew up. The cause of the troubleturned out to be a pinhole in the chopper transistor's micainsulating washer. M.D.

Grundig CUC41 ChassisThere was no output from the power supply, with aticking noise coming from within the set. The +A rail waspulsing very slightly. H.T. was present at the collector ofthe chopper transistor and there were no shorts on the

Reports from Eugene Trundle, Mick Dutton,Philip Blundell, Eng. Tech., Ian Bowden,Alan Shaw, Roger Burchett, John Coombesand Hugh MacMullen

output lines. As we couldn't find any obvious fault weresorted to checking components individually. We even-tually found that R651, which is in series with the set-H.T.control, had gone open -circuit. M.D.

NordMende RV ChassisThis elderly 26in. colour receiver suffered from reducedheight. We spent a considerable time checking around thefield output stage only to fmd that when the field oscillatortransistors were given a squirt of freezer the heightreturned to normal. As there was no tendency to field rollwe had initially ruled out the oscillator stage. M.D.

Sharp C2092The customer's complaint was that the picture would gooff intermittently. On soak test we found that when thefault appeared the screen went blank white, with somedeterioration of the sound. The cause of the problemturned out to be IC401 (IX0118CE) which contains aclamping circuit. M.D.

Salora J20 SeriesThe symptom was no line lock. A scope check at pin 11 ofthe TDA2594 sync/line oscillator chip ICB501 showed thata suitable video waveform was present - and also clearedthe fault! The scope had been set to d.c. input: whenswitched to a.c. the fault was still present. A look at thecircuit suggested that RB514 (2.7M11) could be responsi-ble for the trouble and when checked it turned out to beopen -circuit. I.B.

B and 0 33XX Series with TextThere were three problems with this set. First when textwas selected the required page number couldn't be ob-tained - you simply got 100. Secondly the on -screenchannel number couldn't be brought up with the remotecontrol unit's TV button. And finally when trying to selecta channel above nine the on -screen display would justflash on then off instead of staying there for three secondsso that you can select the second digit of the channelnumber. All three problems were caused by a faulty 4015shift register chip (8IC1) on the remote control decoderpanel. I.B.

Salora 16J20

This set had an odd cyclic fault. Every ten -fifteen secondsthe picture would gradually darken then, with a ping fromthe degaussing circuit, it would jump back to the correctcontrast level, usually with a bad purity error. The noiseand purity problems would go if the degaussing coils weredisconnected, but the picture contrast would continue tovary as before. A check on the beam current limitervoltage (across CB503) showed that this dropped as thepicture darkened. This is the opposite of how it shouldwork, i.e. when the beam current rises (high contrast/brightness) the voltage should fall in order to limit the


drive from the TDA3562A colour decoder chip, usingtransistor TB200 to hold down the d.c. brightness andcontrast control inputs. The cause of the fault turned outto be a dry -joint on the upper connection of the screening"wall" between the colour decoder and the RGB outputstages. This wall is used to link a chassis return from thec.r.t. base to the main panel. Loss of this connectionmeant that the grid supply potential divider had no link tochassis. I.B.

Philips K40 ChassisWe've had a couple of faults on these sets recently. Thefirst one incorporated teletext. It had a dark picture andthe contrast control was inoperative. Tr7116 (BC558B) onthe teletext interface panel was short-circuit base -to -emitter.

Predominant blue with faint flyback lines visible was thefault on the second set. The blue output transistor'scollector voltage was low at 100V instead of 160V becausethe h.f. compensation capacitor C2216 in its emitter circuitwas leaky. A.S.

Quick ChecksLoewe MS56: For no sound and vision check whether theline driver transistor's supply resistor R534 (IMO is open -circuit. If the h.t. is high at around 230V (should be 142V)check C638 (1µ.F).Toshiba 221E: For field foldover at the top of the screencheck C313 for loss of capacitance.Toshiba 2226: No line sync - check whether R402 (15k11)is open -circuit.Philips CTX chassis: Tripping has been traced to theBYV95A 26V rectifier D6590 being short-circuit.Sharp C1871: For intermittent partial field collapse checkR525.Ferguson TX90 chassis (20in. version): For lack of heightcheck whether D106 is leaky.Amstrad TVR2: This 14in. CTV plus VCR combinationcame in with the complaint that it was dead. There was ameasurable short across the collector and emitter of theline output transistor. D1606, type FR304, was short-circuit.Hinari VTV100: This combination 20in. CTV plus VCRcame in with a high raster brightness fault. We found thatthe 2SA1015 luminance amplifier transistor 0301 wasshort-circuit emitter -to -collector. A BC307 proved to be asuitable replacement. A.S.

Rediffusion Mk 3 ChassisFor tuning drift don't strip the selector unit or suspect thetuner. Resolder pin 8 of socket OPLA (at the top of thesignals panel). This fault is becoming very common. It willsave you time and trouble if you do this with every Mark 3that comes into the workshop. R.B.

Rank T20 ChassisIntermittent failure to start up from cold was the problemwith this set. It would continue to work after bridging thestart-up capacitor 4C19 (10µF). 4R16 (9101/) and 4C19were original components and were replaced. Numerousdry -joints were resoldered. But after leaving the set forhalf an hour it refused to start. I noticed a certainreluctance to start up even with the bridge in place.Turning the overvoltage trip control down improved the

starting. [ then tried to set the overvoltage trip but foundthis very difficult. It transpired that 5D5 (1N4148) on thetrip subpanel was dead short. I've had this before, after atripler failure, but the set then refused to start at all. Put itdown to experience. At least this particular T20 has hadall the stock faults attended to.

Similar symptoms to the above - intermittent failure tostart, eventually leading to a "dead" set (h.t. present butno line timebase action) - usually means that the collectorof the 12V regulator transistor 4VT7 (2N5296) is goingopen -circuit. R.B.

Decca 70 Series ChassisVery intermittent failure to start, which could not betraced to a bad joint and did not appear to be affected bytapping or flexing the board, was eventually traced toR625 (180k52, 1W) in the start-up circuit. It had a crackalmost completely around the body. R.B.

Sanyo CTP3105 (79P Series)For no sync check first whether R403 (11(11) is open -circuit, then check the syndline generator chip IC401(LA1460) by replacement. J.C.

Hitachi CPT1444/CPT1446II the screen flashes red, green or blue when the channelis changed replace IC501 (TDA3562A), reduce the valueof R726 (6801/) to 56011 and change R610 from 12k11 to8.2ka

If there's no sound and no raster and the mains fuseFS901 is open -circuit this item can be uprated from1.25AT to 1.6AT. J.C.

Toshiba C1410For no signals on all channels, first ensure that 15V ispresent at the emitter of the 2SC1166 series regulatortransistor QE01 on the selector board. Next check the33V line at the junction of RE06 and DE03 (ZTK33B). Ifthis line is low or absent, replace DE03. Then if necessarycheck ICA01 (TA7177P) and/or ICA02 (TA7178P) byreplacement. J.C.

Hitachi CPT2236/CPT2238If the receiver is permanently in the standby mode checkwhether R1437 (82011, 0.25W) is open -circuit. If so fit a1W replacement. J.C.

Rank Z718 ChassisThere was no line drive. After quite a bit of searching onthe scan drive panel we found that the printed link fromthe anode of the 8.2V zener diode 4D12 to chassis hadblown off. There was thus full h.t. on 4D11 and at pin 4 ofthe TBA950 sync/line generator chip 4SIC1. We madegood the chassis connection and changed the chip only tofind that in addition 4D12 was open -circuit. H.MacM.

Philips G8 ChassisThe h.t. was 256V and couldn't be adjusted. The setemployed the very early power supply panel with thezener diode in the BC147 control transistor's base circuit.R1365 had increased in value from 471(11 to60k11. H.MacM.


Camcorder ServicingPart 2

There are two basic sections of the JVC Videomoviecamcorder, the camera section and the VCR section. Asthe two are contained within the same housing somesimplification is possible, with shared facilities. The resultis a reduced component count and less power consump-tion compared with the use of separate pieces of equip-ment. The power supplies are shared, with use made ofd.c.-d.c. converters to develop the various voltages andsupply lines required. This makes for easy switchingbetween the record and playback circuits. It also enablesthe camera section to be controlled via the microcomputersyscon (system control) circuitry associated with the maindeck. Fig. 1 shows an overall block diagram of the cameraand recorder sections.

Camcorder Block DiagramFor recording purposes the video signals are obtained

from a half -inch, high -band Saticon pickup tube or a CCD(charge -coupled device) image sensor. The signals have tobe decoded, then processed to be PAL compatible in aform suitable for recording. We will be describing theindividual processes involved later. The luminance andchrominance components of the signal are fed to separaterecording circuits and are then added for application tothe heads via the switching system described last month.

The sync signal generator (SSG) produces all the timingsignals. It provides outputs to drive the deflection circuits,which also produce the high voltages needed for correctSaticon tube operation. Sync, clamping and 4.43MHzcarrier signals are supplied to the video processing cir-cuitry by the SSG.

Before application to the frequency modulator theluminance signal is passed through a low-pass filter andthen a dynamic aperture corrector (DAC). Thechrominance signal is passed through a bandpass filter(BPF) not so much to provide filtering - the signal isalready at 4.43MHz - but to provide correct timing. Asmall delay is required to match the timing of the lu-minance signal during record. Down -conversion and col-our level control follow standard practice.

Part of the luminance and chrominance signal is tappedoff prior to the recording circuits to provide a compositecolour signal which is used for E -E monitoring. Theelectronic viewfinder is also linked to this line, via a low-pass filter to prevent colour dot patterning.

Playback follows standard VHS practice. The signalsfrom the video heads are switched, as we saw last month.The luminance signal is limited and demodulated whilethe chroma signal is up -converted and phase corrected.The two signals are then added to provide a compositeoutput signal.

Record only camcorders are somewhat different. TheSSG provides timing signals to encode the R -Y and B -Y colour -difference signals at the down -converted fre-quency of 625kHz. There's no 4.43MHz colour signalavailable within these machines for setting up, so an up -converting jig is required to connect to the camera head topower it and provide a composite, baseband output.

Audio recording and playback are fairly standard.Recording is possible only via the inbuilt microphone and

Steve Beeching, T Eng.

can be monitored from the main output socket or viaearphones. Naturally there are variations on this arrange-ment. Some machines allow an external microphone to beused and in rare cases there's provision for external AVinputs.

The Saticon TubeThis instalment will deal mainly with the Saticon tube

used in models that employ a thermionic pickup device.Fig. 2 shows the basic items associated with the tube.

The incoming light passes through the camera's zoomlens, a colour -temperature filter, iris, master lens andcrystal filter, being focused on to the tube's faceplate andphotosensitive target area. Within the tube an electronbeam scans the opposite side of the target area. It'sdeflected electromagnetically, conforming with a standardscanning system, i.e. in Europe 625 lines, 50Hz - theprinciple is the same as with TV tube scanning. As theelectron beam scans the target, variations in the lightintensity at various points of the target cause variations inthe beam current. Some beam current flows even withoutany light. This is very small, in the range of picoamperes,and is called the dark current. Signal current from thetube is taken from the target. It's a very small currentfrom a high -impedance source and is highly susceptible toexternal interference. For this reason the preamplifier ismounted on the tube, within a screened container thatincludes the very short target connection.The target itself

Deflection

Tube

(Electronicviewfinder

SSG

Videoprocessing

Luminance

LPF

1 BPF

\Coloursignal

FMmodulator

MicAudio

processing

LPF

Colrecordcircuit

Add

T

- Demod

Colourplayback

Switch

t tServo

11 1

Switch H

Videoheads

Composite output

Audiohead

rtam

Fig. 1: Overall block diagram of a camcorder using a pickuptube.

Colour temperature Crystal filter Bias lightfilter

[D1191Mot ordrive

Iriscontrol

Masterlens

Fielddrive

Preamp

Fig. 2: Basic items associated with the tube.

Video output


Faceplate

Incident light

Stripe filter withglass over lay

tiAntimony -trisulpnide layer.Holes here combine withelectrons from the beam

Selenium -arsenic layer.Stannic -oxide layer (target) Hole electron pairs

form here

Electrons

Holes

Target rim

Selenium -arsenic -tellurium layer

Fig. 3: The target part of a Saticon tube.

Light -a

L_

R + C = one pixel

SW

L1

R1

2M7

Target connect ion

Target volt age(25 -SOV)

Fig. 4: Operation of the target.

Beam current

Cathode:

j

Electron beam

P1701

0Cathode

bias

Output

10121

consists of a complex sandwich layer of selenium -arsenic -tellurium (hence SATicon) film bonded to othersemiconductor layers - see Fig. 3.

The first item after the glass faceplate is a stripe filter.This consists of diagonal cyan and yellow stripes which aredeposited on the inside of the faceplate and overlayedwith glass - we'll have more to say about the action of thisfilter later on. Next comes a transparent layer of stannicoxide which is the target output electrode. This forms ahetero-junction (cross -coupled) with the selenium -arsenic -tellurium layer and the chalcognide glass material.Between the selenium -arsenic -tellurium layer and a layerof antimony trisulphide on the beam side there's a thicklayer of a selenium -arsenic mixture.

Light passes through the faceplate, the stannic -oxideand SAT layers to the selenium -arsenic layer where holesand free electrons are produced. The electrons flow backtowards the faceplate, into the stannic -oxide layer via theSAT layer. Holes cannot penetrate the stannic -oxide layerdue to the selenium film deposited on it by the SAT layer.The holes can travel in the opposite direction however. Indoing so they combine with the scanning electron beamvia the antimony-trisulphide layer. The electrons in thescanning beam cannot pass through the antimony-trisulphide layer due to a film of selenium on the oppositeside. Beam current is thus dependent on the number ofholes created by the light and available for combining. Ineffect the holes form a capacitive "charge" representingpixel elements. For each hole that combines with a beamelectron an electron is released via the stannic oxide layerand the target output connection.

To recap briefly, light produces equal numbers of holesand free electrons in the selenium -arsenic layer. For eachhole that combines with an electron from the scanningbeam an equivalent electron is released via the targetconnection. Hence the current output from the targetdepends on both the amount of incident light and thebeam current.

So much for the theory. Fig. 4 provides an equivalentcircuit that illustrates in a more practical manner whatgoes on. It represents a single pixel element of thephotosensitive target layer. The Saticon's target layer ineffect forms a parallel RC circuit. The value of R varieswith the intensity of the light falling on it. With no light, Rhas a finite value which is designed to be as high aspossible to minimise the standing dark current. As thetarget is scanned by the electron beam, each pixel islinked to the beam once per frame. Contact between thebeam and a pixel is represented by switch SW. When theelectron beam arrives at the pixel the switch is in effectclosed. The capacitive element is then charged via thetarget and the tube's cathode - the beam effectivelyconnects one side of C to the cathode. When the beamhas passed, C begins to discharge via R whose value, aswe've seen, is light -dependent. With no light R has a highresistance and C can discharge only a little. If the lightlevel is high the value of R is small and C's discharge canbe high. The next time the electron beam passes the pixel,the amount of beam current that flows through the targetload resistor R1 is the current required to recharge C.Thus with a high light level the current flowing via RI ishigh and the signal voltage developed across RI is rela-tively high.

The target output signal is therefore dependent on therecharging current at each pixel capacitor and the light -dependent value of the associated resistance. As theSaticon's electron beam scans a TV line, many hundredsof small capacitive elements charge. The varying chargecurrent that flows via the load resistor develops a signalvoltage which is connected to the camera's preamplifiertransistor Tr via the coupling capacitor Cc.

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Target rim

Target

Beam

Mesh G6 G51.4kV 700V

G4200-300V

G31.4kV

G2350V

61-50V (black level)

Cathode

Heater

L_ID1221

Fig. 5: The Saticon tube's gun structure, showing theelectrode operating conditions. The target is connected tothe front rim and the mesh (G6) is internally connected toG3. Blanking is carried out at the cathode. A scope con-nected to G1 will show the blanking pulses at about -70V.

While the signal voltage developed across RI is verysmall, it has a very good signal-to-noise ratio, i.e. anextremely low noise content. To maintain this low -noisecondition, the first stage of the preamplifier uses a low -noise junction field-effect transistor selected for its low -noise characteristic. LI is called a Percival coil. Itresonates with the target's capacitive output, lifting theoutput at the higher frequencies. With a colour camerathe resonant frequency is 4.3MHz, which is the R/Bcolour carrier frequency obtained from the tube (more onthis next month).

Saticon OperationThe internal arrangement of the Saticon tube is shown

in Fig. 5. At the faceplate end there's an external targetconnection, the target flange or rim. A small leaf springcontacts the rim and is soldered to the Percival coil at theother end.

One danger when servicing cameras fitted with aSaticon tube is the presence of high voltages on theinnocent looking PCBs. While a shock is not lethal, it canresult in demise of the camera if the camera is dropped asa result of receiving a shock. This is especially the casewhen there's a capacitor that doesn't discharge at switch -off connected to grid G6.

The highest voltage is the mesh voltage. This is usuallyin the range 1.4-1.6kV and is internally connected to gridG3. Grid G5 is a collimator lens to narrow the beam as itapproaches the target, and is at 700V. It operates inconjunction with the voltage, which is variable between200-300V to provide electrostatic focusing, at grid G4. Ifthe beam is not focused the tube's resolution drops andthe R/B colour carrier falls to zero, leaving a greenpicture. Adjusting the focus control will rotate or twist thepicture about the centre. It can be used in conjunctionwith external beam shift magnets to centralise the beamlanding. A spot in the centre of the picture must stay putwhen the focus is adjusted and not shift off the centreaxis. This sort of adjustment will however create purityand shading problems that will take hours to sort out!

Grid G2 is the first high -voltage electrode, its purposebeing to accelerate the electrons that leave the cathode.G1 is a reverse biased grid: the bias voltage is variable toset the beam current to a value which is sufficient tocharge the target capacitance at full white, without beingexcessive so that the target is saturated. The visual effectof reducing the beam current below the nominal value isto clip the peak whites. The correct setting is for justabove maximum peak white voltage at the signal output.Too much beam current will adversely affect the focusingand twist the picture.

The cathode sits at about 6V above chassis potential.

Field and line blanking are carried out at the cathode -the blanking pulses have an amplitude of about 64V peak -

to -peak. If the cathode blanking drive chip fails it will shutoff the tube.

An oscilloscope connected to the beam current grid G1will display negative -going blanking pulses down to about-70V, with a black level of about -50V upon which thevideo signal can be seen. This check will indicate whetherthe tube is operational even when there's no output duesay to failure of the preamplifier.

Beam DeflectionWhile the focusing is electrostatic the deflection is

electromagnetic, achieved by means of a deflection yokearound the tube. Shorted turns in the yoke can stopdeflection, resulting in no output from the target and nosignal at Gl. Loss of field drive will produce the sameeffects. Line deflection is linked to the high -voltagecircuits, as with a TV set, and failure of the line scanusually results in no high voltages.

No Camera PictureWhat do you do if there's no picture from the camera?

First check that the high voltages are about right, nextcheck that the scan outputs to the deflection yoke arepresent, then check that the cathode drive pulses arepresent and correct. If these things are all right, turnattention to the tube's preamplifier. This can be checkedonly by access to the target connection, involving partialremoval of the tube. If the preamplifier is o.k. there willbe massive amounts of noise when you go near it, due tothe very high impedance and sensitivity.

Bias LightThe bias light - see Fig. 2 - is present to reduce lag or

after -image effects as a result of the dark current beingtoo small. It illuminates the target. The theory here is asfollows. When there's a rapid change from bright light todark, it's possible for the target's capacitive elements to beleft with residual charges that cannot be discharged via theassociated resistance between beam scans because theresistance value is too high. These charges show up as anafter image. The effect can be reduced by using a small lightto bias the target, thus maintaining a lower resistance leveland hence increased discharge of the capacitive elements.The bias lights can be LEDs, mounted around either thetube face or the tube base to backlight the target.

Crystal FilterThe crystal filter is used to reduce cross -colour effects

or moire patterning in scenes that incorporate smallchequered patterns or fine stripes. If fine patterns ataround 4.43MHz in the luminance channel of a TV set areallowed into the colour circuits random blue/purple moireherringbone patterns will be seen. Similar problems arisewith a camera. Scenes that create luminance signalcomponents at around the R/B carrier frequency of4.3MHz will produce similar effects. The crystal filter isincluded to prevent this. It consists of an optical spatialfilter with gratings effective at 4.3MHz, thus effectivelyblocking fine patterns before they reach the target.

Next month we will take a look at colour signalprocessing.


The Pros and Cons of LocoScript 2

When the Amstrad PCW8256 was launched it was hailedas the poor man's word processor. And so it was, for at£399 plus VAT few who regularly used words and putthem down on paper couldn't afford one. This wasparticularly the case since most word processors werepriced in thousands rather than hundreds of pounds.Understandably those who had laid out thousands wentlow over it, and so did the competition. The program,LocoScript 1, was described by some as non-professionaland amateur, and its limitations were fully aired. It didhave limitations, but it also had many features not foundwith the more expensive outfits - the critics had little tosay about these. In an article in the December 1986 issueof Television I endeavoured to give a balanced view,mentioning its pros and cons as well as those of wordprocessing in general.

Since then Amstrad has brought out other models.There was first the upgraded PCW8512 with its seconddisc drive and double RAM M -drive capacity, increasedfrom 256K to 512K (incidentally these numbers explainthe model numbers adopted, the 8 referring to the Z80 8-

bit microprocessor which is the heart of these machines).The 8512 was also supplied with LocoScript word process-ing. Subsequently Amstrad turned to IBM compatiblearrangements. Being thus succeeded the PCW8256 cameon offer at prices down to £299, representing an excellentopportunity for anyone wanting to start with wordprocessing.

Development of LocoScriptUnlike many firms that lose interest in their older

models, Amstrad continued to refine the LocoScriptprogram. LocoScript 1 was taken through several suffixnumbers, then in July 1987 the completely revampedLocoScript 2 was released. Some of the initial reviews inthe computer magazines were clearly done in a hurry andinevitably some of the trivial points were emphasisedwhile important ones were missed. In view of LocoScript2's complexity and the large number of facilities available,it seemed prudent to get well acquainted with it beforedoing a follow-up to my original article.

My copy of LocoScript 2 has been in daily use now for agood few months - often for up to ten hours a day. Thefollowing comments are primarily intended for LocoScript1 users who may be wondering whether or not to makethe change to LocoScript 2. They should also be helpful toanyone contemplating a first plunge into word processing.One can start word processing with LocoScript 2 at a veryelementary level - you don't have to learn a host ofcommands as you do with some other word processingsystems. As you become familiar with the operation ofLocoScript 2 you can start to use and master otherfeatures.

The ManualThe instruction manual was a problem with LocoScript

1. It was difficult for the beginner to follow. As a resultmany books and courses came on offer to help those whowere as baffled by it as I was. Strangely the manual now

Vivian Cape!

doesn't seem so bad and I can follow most of it - but thenI'm no longer a newcomer.

The LocoScript 2 manual is a big improvement. Afterthe preliminary setting up and connection instructions itoutlines the main differences between LocoScript 1 and 2,referring to the appropriate sections of the manual toconsult for detailed information on the changes. Thus itfirst gives LocoScript 1 users an overall picture of thedifferences, after which they can go into the detail.

The main part of the manual is a step-by-step tutorialfor newcomers. It strikes about the right tone, beingneither patronising not too formal. Anyone starting fromscratch should have few problems.

There's a postscript with tips on using LocoScript 2 forparticular applications - business letters, memoranda,magazine articles, technical reports, invoices, circulars,newsetters and so on. Appendices include a glossary of allthe technical and operating terms used, a list of all thecharacters available and how to obtain them, a quick -reference guide with basic instructions for each function,and a trouble -shooting section. All in all it's a comprehen-sive, well thought out and easily understood manual.

Disappointments

One disappointment for me with LocoScript 2 is thelack of a word count, something that's very useful forauthors, journalists, reporters, etc. I find this surprising asa number of features of limited use are included - thecomplete Russian alphabet, playing card symbols, male/female symbols and even black and white smiling faces! Aword count is included with the spelling -checker dic-tionary LocoSpell however. This is available as a separateprogram that works within the LocoScript format withdirect access when working on a document, unlike otherspelling checkers that have to be loaded separately afterthe document is complete. It's twice the price of someothers however, and the main dictionary takes up so muchspace that it cannot be loaded into the 256K memory ofthe PCW8256 - it requires either an upgraded 8256 or an8512. Otherwise the smaller dictionary included on thedisc is loaded and used. This combination of a word countand spelling checker is not such a good idea - professionalusers who would get most benefit from a word count areleast likely to require a spelling checker.

Another disappointment is the fact that you can'tchange existing text from lower case to capitals and viceversa. You can do this with some word processors and I'dhoped the facility would be included with LocoScript 2.It's easy when typing adjacent letters to touch the shiftlock accidentally and thus type a line or so of capitalsbefore you notice them. Instead of being able to changethem you have to erase and retype the lot.

MenusThere are three ways in which you can operate and

choose the various LocoScript facilities: by menus, bykeystrokes, and by using an intermediate method whichwe'll ignore here. The menus consist of a group of relatedoptions that appear on the screen when the appropriate f


key is pressed. There are four such keys which with theshift key give numbers f1-8. Having called up the rightmenu you move the cursor down it, with the cursormoving key, to the option required. You then press theplus and the enter keys. To cancel the option you do thesame again, this time pressing the minus key. With thealternative keystroke method you simply press the pluskey followed by a one- or two -letter code: to cancel youpress minus followed by the same code. One wonders whythe longer and more laborious menu method was the onetaught throughout the whole LocoScript 1 manual, thesimpler keystroke method being mentioned almost as anafterthought in half a page towards the end. With theLocoScript 2 manual keystroking appears throughout, butis still presented as an alternative to using menus.

The reason given for this is that the beginner uses themenus until he can learn the codes for keystroking. Nearlyall the codes however are the initial letters of the optionsrequired - I for italic, B for bold, CE for centring, RA forright align, LS for line space, U for underline, etc. Onehardly needs a photographic memory for these! This isunlike some word-processing systems with which the lettercodes bear little resemblance to the functions.

My grumble about all this is that there are actuallymore menus with LocoScript 2 than with LocoScript 1.You can avoid many of them by keystroking of course,but many of them pop up without being asked. Forexample to print a document you first press the letter P.Then a menu asks whether you want high quality or draft,more than one copy and whether all or part of thedocument is to be printed. These are all useful options,especially the last one which was not available with earlyversions of LocoScript 1. Having chosen from theseanother menu appears to ask whether you want to use thecurrent paper (the one to which the printer is set) or theone for which the document was set up. As the currentpaper option heads the menu you have to move the cursorand enter that option if you want to use the documentdesigned paper, as in most cases you would. The menuthus seems to be superfluous, but should at any rate havehad the designed paper at the menu head. After this yetanother menu appears asking if you want to proceed withthe printing (as if you didn't) and you have to affirm.

Other functions which now have to be done via a menuare copying, moving and erasing a file. With LocoScript 1these were done by a single keystroke. When setting upthe document the different tabs could be set by individualkeystrokes with LocoScript 1. This too now has to bedone via a menu, and the menu comes right over the topruler, obscuring the tab position. The cursor must there-fore be set to the required position before calling up themenu. This also applies to setting the left-hand margin,which is similarly obscured.

Another extra menu that requires an acknowledgementand can thus be irritating to the careful user, though nodoubt a life saver for others, is the one which warns that afinished document on the M drive will be lost if you switchoff without copying it on to a disc. In view of what is atstake however this is perhaps justified.

More irritating are the messages that appear in windowswhen certain functions are selected. For example, wheninserting text from another source the message "insertdocument: select document using cursor keys then pressenter or cancel to abandon" is displayed. As precisely thesame wording appears at the same time in the header atthe top of the page this message is superfluous. Theannoying bit is that, as with some of the menus, the

window obscures the very part of the screen you want touse. The message clears after a while, but introduces anunnecessary delay. The same thing happens when copyingor moving a document - it didn't with LocoScript 1.

Too Amateurish?The overall impression given by these extra menus and

messages is that LocoScript 2 is less professional thanLocoScript 1, which is rather a pity since in many otherrespects it improves on LocoScript l's amateur image andincludes facilities that rival and excel most professionalword processing programs. The makers clearly felt itimportant to appeal to the beginner and the experienceduser, but in so doing have tended to fall between twostools. One solution would be to issue the disc with thefull existing program on one side and a streamlinedversion on the other. There would be room for this alongwith the tutorial examples that occupy part of this side.

Function KeysThe function keys and their options have been changed.

This has been done mainly because of a rationalisation inthe way in which the functions are classified, but one ortwo seem to have been altered for no apparent reason.Disc change for example is now f7 instead of fl. Tables 1and 2 show the differences. The keystroke codes havechanged little except for a few additional letters.

Setting up DocumentsSetting up document templates and establishing the

layouts is quite different with LocoScript 2. One effect isthat the layouts become part of the text rather than beingstored in the document header. So when the text istransferred or copied on to another document, or adifferent position in the same document, the layout goeswith it. Layouts can also be given names as well asnumbers. The advantages of the new system seem to beminimal, and to make it easier for users I think this shouldhave been left as it was.

ImprovementsMy comments so far seem to have been mainly criti-

cisms. I wanted to get these out of the way beforementioning the numerous improvements that more thanbalance them out.

PaginationI always felt that too much attention was paid to

pagination - the messages you might want to put at thetop and bottom of each page - in LocoScript 1. Apartfrom page numbers this is not an oft -used facility. Yetwhen setting up every document or template you had togo through a pagination routine whether you wanted it ornot. With LocoScript 2 the facility is there but can be side-stepped apart from a display of the pagination boundarylines.

With LocoScript 1 the header and footer zones includedthe top and bottom gaps, the top inch and bottom halfinch on which you cannot print. These had to be allowedfor when calculating the space to be allocated to headers,footers and main text. They are now treated separately, sothat the usable zones can be assigned as required without


Key

f1

Table 1: Comparison of f -key functions when disc manager is displayed

LocoScript 1 LocoScript 2

Disc change

f2 Inspectf3 Copyf4 Movef5 Rename - document; group; disc;

recover from limbo.f6 Erase17 Modes - edit; print; create;

direct; ASCII file.f8 Options - show limbo; show hidden files.

Table 2: ComparisonKey LocoScript 1

11 Show - codes; rulers; blanks;spaces; effectors.

f2 Layout - new layout; layout no.;base layout; edit current/layout no.

f3

f4

f5

f6

17

f8

Emphasis - underline; bold;double; reverse video.

Style - half height; italic; characterpitch; normal/double width.

Lines - centre; right justify; soft/hard space;soft/hard hyphen; line spacing; line pitch.

Pages - last line; end page;lines together; page no.

Modes - edit header; identity text;insert text; disc manager.

Blocks - blocks; save block no.;phrase; save phrases.

These comparative tables illustrate the major differencessubmenus which are also different. There are other modestheir own different key functions. While the functions areLocoScript 1 and 2, a LocoScript 1 user will take a while to

the need for mental arithmetic. As with LocoScript 1 thescreen indicates the number of lines available for the maintext after the headers and footers have been determined.

Actions - make ASCII file; show/load/save phrases;show blocks.

Disc - copy; verify; format; rename.File - move; erase; rename; recover from limbo.Group - rename.Document - inspect; set first pages; set total

pages.Settings - paper type; character styles.Disc change

Options - show limbo; show hidden files.

of f -key functions during editLocoScript 2

Actions - document set-up; edit identity text;insert text; disc manager;

show phrases; show blocks.Layout - centre; right align; justification; new layout;

change layout; layout exchange; layoutreplacement.

Style - underline; word underline; bold; double;italic; superscript; subscript; reverse video.

Size - character pitch; normal/double width;line space; CF extra spacing; line pitch.

Page - find; end; last line; current line withno. of lines above/below.

Spell (for use with LocoSpell program).

Options - show codas/rulers/blanks/spaces/symbols.

in operations between LocoScript 1 and 2. Many options call upof operation such as printing and document set-up which havedisplayed across the top of the page for reference with bothget used to the changes.

PrintersWhile LocoScript 1 can be used with only the dot-

matrix printer supplied, LocoScript 2 can be used with awide variety of printers, of the matrix or daisy -wheel type.In fact you can connect a matrix and daisy -wheel printerat the same time and select from the keyboard which is tobe used for a particular print-out. The supplied matrixprinter gives perfectly satisfactory results however - in thehigh -quality mode the results are not far short of thoseobtained with a daisy wheel. The big advantage with thematrix printer is that an enormous range of characters andsigns, letter styles and sizes is available. With the excep-tion of one or two letters the styling of LocoScript 1 wasgood. The styling of all letters has been revised withLocoScript 2, the visual effect being even better thanbefore.

With LocoScript 1 the printer had to be set for the typeof paper to be used, so this had to be done when creatingand when printing a document. LocoScript 2 has a built-inmemory of various named paper sizes which can heinspected, altered or added to. When a document is to beprinted the printer recognises its paper size from thememory. If it has just been printing another size a menu

tells you that it's not set to the document paper. A singlekeystroke plus enter sets the printer to the required size.If the document is created for a paper not present in thememory the printer will find the nearest listed size andoffer it on the menu.

As A4 is the most commonly used size this is the one towhich the printer is set at switch on. If you morefrequently use another size you can change the memory toselect this instead. This gives you automatic selection ofthe preferred size without a succession of printing menus -after three quick taps on the enter key the printer willstart without further ado.

Page NumberingWhen the page number code is inserted in the docu-

ment set up, page numbering is carried out automaticallyas before. Now though with a long document such as ahook, in which the chapters are more conveniently pre-pared as separate files, the page numbering can be madeconsecutive instead of each file starting at page 1.

Phrases and BlocksAs with LocoScript 1, blocks of text or individual

phrases can be copied out, given code numbers andinserted elsewhere as many times as required by typingthe code. Previously phrases could be inserted into other


documents but blocks couldn't be unless they were spe-cially saved. Now blocks are automatically saved and canbe used in different documents. If required in the futurethey must still be saved on disc - the internal memory islost when the PCW is switched off.

When it was asked to show what phrases and blockswere stored LocoScript 1 listed just the code numbers orletters. The first few words now appear along with theletters. This is very useful as unwanted or obsolete itemscan be identified and removed to make room for newones.

Find and Exchange

A snag with the find and exchange feature withLocoScript 1 was that the word typed in had to match theone sought exactly. Thus if it sometimes appeared in thetext with a capital initial but you typed it into find in lowercase it would be ignored. If the word also occurred as partof a longer word the cursor would stop at all these too.With LocoScript 2 the find facility has been made moreflexible. If told to do so it will find words irrespective ofcase. It will also find only complete words if so set. Thismakes the feature much more useful.

Cursor MovementOne of the criticisms of LocoScript has been the rather

limited scope for moving the cursor around the screen. Itcan be moved to the next character, word, line, para-graph, unit, page or to the end of the document. Thesemovements can also be reversed to go back through thedocument. This may seem to be a comprehensive list buttwo very useful moves are omitted, from one phrase toanother (stopping at commas or semicolons) and from onesentence to another (stopping at full stops). When correc-tions are made the portions to be erased are usuallyphrases or sentences, so such moves would be veryhelpful. It's possible to use the find facility to locate thenext and subsequent full stops or commas, but if youchange from one to the other you have to reinstruct findaccordingly.

Speeding things upOther word processors permit erasure of a line to the

right of the cursor, to the left of the cursor, or the wholeline under the cursor. With LocoScript you have to definethe portion to be erased by placing the cursor first at thestart and then at the end of the section, operating the cutkey in each position. This is not too onerous if the lineand end -of -line keys are operated to produce quick cursormovement. Some users may get confused about thesekeys and not use them to the full. The line key takes thecursor to the end of the line while the end -of -line key (lineplus shift) takes it to the start of the next line. If pressedwith the alt key the cursor moves to the start of the sameline. It's a pity that these keys were not given lessconfusing designations.

Another tip worth remembering is that a single dab oneither of the horizontal cursor movement keys with theshift key will move the cursor by forty characters, i.e.about half a line to left or right. The vertical keys withshift give movement of forty lines up or down for a singlepress. This is the case with both LocoScript 1 and 2. If youpractice these manoeuvres a few times you soon get thehang of it, greatly speeding your movement around the

text. This makes LocoScript as fast as any other word-processing system.

An aid to speedy movement with LocoScript 2 is thefacility enabling you to select a required page from thestart of a file. The chosen page appears on the screen injust under half the time it takes to scroll through to thepage with the cursor movement key.

CharactersWith LocoScript 2 there are special registers known as

super -shifts to make a greatly enlarged range of charactersavailable. These are entered by pressing the alt key withone of the f numbers 1, 3, 5 or 7. Amongst the charactersobtainable in this way are the complete Greek alphabet inlower and upper case, which is very useful for technicalwriters - LocoScript 1 had just a few. There is also thecomplete Cyrillic (Russian) alphabet in both cases withseveral Ukrainian alternative characters: other speciallanguage characters available include examples from Tur-key and Greenland. A wide range of accent marks can beamalgamated with any letter simply by typing one afterthe other.

A considerable number of textual symbols, includingspecial continental ones, and the symbols for the world'sleading currencies are included. Over seventy mathemat-ical symbols can be obtained, including the one that wasconspicuously missing from LocoScript 1 - the radical orsquare root sign. There are even sixteen varieties ofarrows and, yes, those card symbols and smiling faces!

With such a vast array of characters provided it seemsungrateful to grumble, but it's now harder to get eighthfractions. Thirds fractions are now included however.

Discs

A much vaunted facility with LocoScript 2 is the abilityto format or copy discs with the LocoScript system,though I feel that it's a marginal advantage. It's performedby key 12 which produces a menu of options - copy disc,verify disc, format disc and rename disc. The verify optionis the only omission as far as I can see from the otherwiseexcellent manual. There's no information as to what itdoes - it seems to check whether a disc is properlyformatted.

Editing

What I consider to be a major improvement seems tohave gone largely unheralded. When an existing file isedited you need at least the same amount of space to beavailable as that taken up by the file. This is because theedited version is recorded on a disc before the old one isscrapped. Thus for a few seconds both versions arepresent. If the file is a long one you need plenty of spareroom. It's all too easy to overlook this and withLocoScript 1 the first intimation you have of insufficientspace is when you try to exit and store the resultwhereupon the "disc full" notice appears. There's noinformation or advice in the old manual about what to donext. After two experiences of losing a morning's work Idiscovered how to suspend recording while moving orerasing files from the disc to make room.

When you start an edit with LocoScript 2 the disc isscanned to see if there's enough space. If there isn't, thenotice "warning, document may not fit" appears and theoptions to cancel or continue are given. This is one menu Iheartily welcome! In this situation the easiest course is to


copy the document to drive M, work on it there, thenmove it back to drive A while erasing the original.

Another very useful new feature relates to the use ofthe same file name. You cannot have two files with thesame name in the same group as the addressing andindexing facilities would be unable to distinguish betweenthem. With LocoScript 1 if you want to replace anobsolete file with an updated one having the same nameyou have to give it a temporary, different name, move itinto the required group, erase the old file then change thename of the new one to that of the old one. Now when anew file is moved into the same group as an old one withthe same name a menu appears pointing out that thename is already in use and offering the options ofreplacement with the new file, choosing another name orcancelling the operation. Choosing to replace erases theoriginal file and instals the new one at the same time. Thisfacility can be used when moving an edited document indrive M back to replace the original version in drive A.I've found it to be a very convenient feature and aconsiderable time saver.

Documents made in LocoScript 1 cannot be printed or

edited with LocoScript 2. If an edit is attempted, the filewill be converted automatically to LocoScript 2. Only thepaper size may need to be reset. Conversion is necessaryonly the first time, after which the file becomes a perma-nent LocoScript 2 document. This means that it cannotafterwards be worked on in LocoScript 1. If you want topreserve that option it's best to copy the document, thenconvert the copy to LocoScript 2, retaining the originalLocoScript 1. All templates should be converted other-wise every document made from them will be inLocoScript 1 format and will need converting. Not all thedetails come out right however: I've found it better toremake all templates in LocoScript 2.

ConclusionSo much then for the main differences between

LocoScript 1 and 2. I feel less than enthusiastic aboutsome of the changes and am disappointed over theomissions, but the fact remains that it's an excellent word-processing system. The many advantages over LocoScript1 clearly outweight the drawbacks.

Compact Disc System DevelopmentsSome interesting technical details of the Philips CD -Videosystem were presented at a recent talk at the Institution ofElectrical Engineers. The lecturer was Simon Turner,head of the Home Interactive System Division of thePhilips Research Laboratory, Redhill. His talk, entitled"Voice, Data and the Compact Disc", started with ageneral view of the evolution of CD technology from itsbeginnings at Eindhoven in 1969. Since the launch of CDdigital audio in 1982 thirty million players and 450 milliondiscs have been sold worldwide (eight per cent of UKhouseholds own a player). CD audio has been called thefastest -growing consumer electronics product: its successhas been helped by the common standard, which ensuresthat all discs can be played on all players.

CD -VideoCD -Video is now in the shops. It combines digital audio

with analogue video on the same disc. The standard 5in.CD -Video disc (gold coloured to differentiate it from itsaudio counterpart) contains five minutes of video withdigital sound on the outside of the disc and twentyminutes of digital audio on the inside. A single laser headreads the sound and vision signals simultaneously. Thevideo signal is handled in the same way as withLaserVision: the PAL signal is modulated on to a 7MHzcarrier with the baseband digital audio underneath - ittakes up about 2MHz. The digital audio portion of the5in. disc can be played on an ordinary CD player.

CD -Video players can take any size of disc up to 12in.(a 3M. disc is planned). LaserVision discs are compatible- most players can handle an analogue sound track.Setting up of the required tracks is done on the TV screenwith the remote control unit.

CD -InteractiveThere's no transatlantic compatibility with the analogue

video signal, which is a drawback. It will limit the choice

Peter Marlow, B.Sc. (Hons.), C.Eng.of CD -Video discs, or software as we have to call them.This however is not the case with Philips' next develop-ment, CD -Interactive. CD -I is being planned with thedomestic market firmly in mind. Audio, graphics, dataand video are stored on the same disc, with the differencethat this time the video is digital. This makes for truecompatibility between TV standards. The pixel standardsare 384 x 280 for normal pictures, 768 x 280 for doublesize and 768 x 568 for "extended" studio -quality pictures.For most applications the video consists of stills, butmoving effects such as a talking head within a stationaryframe can be generated. The recording techniques arevery much related to computer images rather than TV.However the picture display will always be via a TV setrather than a computer monitor as CD -I is seen as aprimarily domestic product.

The first CD -I players are now being demonstrated. Atpresent they consist of two boxes, the CD player and theMMC (Multi -Media Control) module. The latter links theplayer to the TV set and hi-fi system and is operated byremote control. The remote control unit incorporates apointer control for on -screen selection. The hardware isbased on a 68000 microprocessor which runs the OS -9operating system. A dedicated piece of hardware is usedfor file handling, though the data transfer rate is fairlyslow at about 150kbytes/second. It shouldn't be too longbefore the two boxes become one!

The CD -I players will not sell unless there's goodsoftware for them, i.e. plenty of discs to go with them. Tothis end Philips has set up a company called AIM(American Interactive Media) which is linked withPolygram. Two other similar companies are being set upin Europe and Japan. The main applications envisaged areinteractive talking books, educational aids and superioradventure games. Replication cost is small, but the datagathering and setting up is an expensive and time-consum-ing business. No doubt Philips will be supplying develop-ment tools to make it as easy as possible to exploit thisinteresting new technology.


VCR ClinicPhilips VR6462

This machine had two faults as follows: first at power upwith no cassette the tray moved in and out more timesthan usually, secondly the machine remained in therewind mode and refused to do anything else. The causeof the first fault was that the threading motor countersignal was missing due to a faulty Hall -effect sensor onboard P671. The second symptom was present becausethe head drum didn't rotate - IC7001 (L272) was open -circuit. P.B.

Grundig VS440

The problem with one of these machines was intermittentno erase or sound bias. It would clear if the PCB on theback of the audio/control/erase head was pressed. Whenthe PCB was removed we found that there was a solderbridge from one of the pins to the screening can. P.B.

Sanyo VHR1100If you encounter one of these machines that won't lace upand/or produces a nasty smell or puff of smoke whenasked to record or play, check R3110 which is associatedwith IC3005 on the SY-1 board. If it's overheating, theloading motor is drawing excessive current. Depending onhow many goes the user has attempted, the motor drivechip IC3005 (BA6238A) may or may not havesurvived. E.T.

Panasonic NV -M1

We've encountered the following situation on more thanone occasion: the capstan motor starts running at switchon then after a few seconds the syscon switches thecamcorder off again. The cause is that the 9V supply tothe main PCB is missing - check at TP1002. You'll findthat the circuit protector fuse PR1002 is open -circuit. Thisseems to happen for its own internal reasons, since we'venever found that excessive current has been flowing andhave never had a replacement fuse fail. E.T.

Sony CCD-V100

Since the same accessories are used, the design andpinning of the recessed multi -output plug on this model isthe same as for the CCDV7/8/AF range. Even though thereadily -conductive metal caps are omitted from the locat-ing pins with the later production r.f. unit, clumsy inser-tion of the modulator can bend and short-circuit thedelicate connection pins. Thus whenever the main 3.15Afuse inside the camcorder has blown, carefully examinepin 3 of the multi -connector for signs of arcing or burning.Unless the pin is broken or badly bent, the fuse (in thismodel F381 on board SC -6) is the only casualty. E.T.

Grundig VS180

Grundig VCRs are rare visitors to our workshop. This onewas said to be stuck in pause. What happened was thatthe machine would have a brief go at any functionselected and would then shut down with the pause LEDalight. This is an "emergency" indication, drawing atten-tion to lack of reel sensor pulses, and in this case came on

Reports from Philip Blundell, Eng. Tech.,Eugene Trundle, lan Bowden, Alfred Dampand Nick Beer

because the reel brake solenoid didn't operate. A pull -incurrent is routed via a switch (behind the solenoid) whichopens when the armature has moved over. Its contactswere dirty, leaving only the hold -in current in the sole-noid. Giving the switch contacts a good clean restorednormal operation. E.T.

Hitachi VT410

Many customer descriptions are merely the first clue inthe guessing game that occupies an engineer during thefirst part of his diagnostic session. "Sound slurs" is one ofthe better ones, usually indicating problems in the capstandepartment. On this machine the capstan ran slowly anderratically. A meter connected to the speed control line tothe motor showed that the servo was working flat out tospeed up the motor. The motor itself was faulty, though itran very freely when turned by hand. E.T.

Fisher FVH-P710

If you find that fuse F902 (500mAT) on the mainstransformer PCB has blown for no apparent reason, checkfor dry -joints at the PCB connections of pins 10 and 12 ofconnector PV903 on the regulator panel. Considerablecurrent passes through these pins, and some of it will bediverted through F902 and C928 in the event of amomentary open -circuit. The other joints on the plug/socket connections to this board are also worth checking.

E.T.

Ferguson FV20

The fault with this machine was no colour. Use of anothermachine proved that it was recording the chroma signal,so the fault was only on playback. From the headamplifier circuit the chroma passes to the playback pro-cessing circuitry via a couple of filters. There was an inputto the first filter LPF201 but no output. As a check, thefilter was removed and an 0.1/2F capacitor was used tocouple its input and output connection points. This re-stored colour, so a new filter was ordered. I.B.

Ferguson FV20There were two fault symptoms with this machine, noplayback picture (blank screen, sound o.k.) and whatlooked like a low luminance level in the E -E mode. Bothproblems were caused by the same faulty component,low-pass filter LPF102 which is connected between pins 10and 21 of IC101 and is used for both E -E and playback.

I.B.

Ferguson FV11

Sound but no playback picture was the reported fault withthis machine. From this description I suspected cloggedvideo heads, so before trying a tape I took a look at them.There was some oxide present, but it wasn't too bad. Thedrum was next warmed to remove any moisture and atape was played back. The picture was fine! It was onlywhen I moved the luminance/chroma board - I had to foldit up to the vertical position to remove the video head


screening can - that the fault occurred. The effect wassimilar to an off -tune monitor TV set - just off the higherend of the r.f. output. The fault could be made to comeand go by slightly twisting the panel. Close examinationrevealed a dry -joint on a small luminance coupling capaci-tor (C134) which is next to the right-hand subpanel. I.B.

Philips VR6362

This machine came in with a broken cassette lift and thecomplaint of no rewind or reverse picture search. In factwhat happened was that when the VCR entered therewind mode the tape tightened and was then unloaded.The drive coupling, item 214, was at fault. A.D.

Akai VS112

This machine would play back prerecorded tapes butthere were no E -E signals and the channel indicator LEDsdidn't light. The LEDs and the tuning potentiometers had33V on all sides, includng the chassis connection. Whenwe traced the earth return back to the main board, viaconnector P601, we found that an earth tag on the tunerunit was dry -jointed - the tuner's case is used as a link tothe earthy side of the tuning presets. We decided toresolder all four mounting lugs on the tuner as well. A.D.

Sharp VCA100

The capstan motor in this VCR refused to work. Wefound that the 15V and 5V supplies were present andcorrect and that the 2.5V reference voltage was correct,but the capstan drive voltage was low at 1.5V instead of2.4V. The capstan stop signal at pin 57 of the systemcontrol chip IC827 was then found to be permanently low.When this monster chip was replaced the capstan motorworked correctly. A.D.

Hitachi VT33

This VCR generated a noise in most modes. The symp-tom was similar to that produced by a dry capstanflywheel bearing in the later VT64 series. As suspected,the flywheel bracket was fitted with the nylon bearing.Further pushing, prodding and listening revealed that thenoise was coming from a pulley on the clutch assembly,item 301. A.D.

Ferguson 3V30

The rather unusual complaint with this machine was nosound in the E -E, record or playback modes. We soonfound that the 10.5V supply to the audio section was waydown at only 0.344V. There was no excessive loading andit turned out that the regulator transistor Q17 was open -circuit. It's a 2SD636 but we fitted a 2SD637 (60Vversion) as this is a much used device we stock forPanasonic VCRs. N.B.

Panasonic NV-100/NV-10B

The problem with this portable VCR and tuner/timercombination was failure to record. On test we found thatthere was no sound or vision in the E -E mode - only thetest signal could be produced. Playback direct from theVCR was fine. A look at the V10 unit was thus required.As the test signal was present that path from P7002-3 waso.k., including the thick interconnecting lead. There wasno video output from pin 2 of IC701 (BN5115). It was

present at the base of 0733 but not at its emitter. When itwas tested we found that Q733 (2SC945/BC547) wasshort-circuit collector -to -emitter. The sound was mutedbecause of the no video signal problem. The NV100 wasthen cleaned, and after replacing the noisy transmissionpulley and belt it too performed perfectly. N.B.

Panasonic NV -G25

After a recent repair the customer complained that theclock/counter display faded out. Our field engineer (wecall him Enid Blyton because of the fairy tales he tells usabout the faults he sees) said he'd seen the fault. Aftermany hours on soak test the display went dim, the finaldigit of the counter being even dimmer than the rest. Theheater voltage was correct but the grid drive was in-correct. The drive comes from the MN15283VJU timerchip IC7501. Replacing this restored correct operation.

N.B.

Ferguson FV11

A couple of faults are becoming very common with thesemachines. First is intermittent failure to eject, or otherintermittent mechanical faults, caused by a loose earthingscrew on the mecha connection PCB. The other is inter-mittent going into rewind from play during a tape. This iscaused by dry -joints on the supply photosensor. Bothfaults can he exceptionally intermittent. N.B.

Panasonic NV366

A fault you may be faced with in these machines is thechannel one LED flashing and inability to change chan-nels. This can very often arise after replacing the threegold memory back-up capacitors. If you remove these bytwisting them off the board (as you should if they areleaking) you can break R7693 (22k0) in half, producingthe new fault. N.B.

Panasonic NV2000

This one came in with no comments under "fault" on thejob card - always a bad sign! After switching it on thefirst fault noted was that the machine didn't switch fromE -E to V -V. This was because the EXCEPT REC 9Vsupply was missing, soon traced to Q6043 (2SA719) whichhad a 4.7k11 collectoremitter leak. Next the drum speedtook about forty seconds to settle down. Adjustment ofthe drum free -run control took care of this.

I then decided to refuc the two main panels to the metalframe, which was hanging around them loosely as some-one had removed all the screws. I'd previously noticedthat three out of seven chassis fixing screws were missingand bolts were fitted where there should have been screwsand vice versa. Next I found that there was no colour inthe playback mode - the chroma reference set trimmerhad been "graunched '. A replacement was fitted and setup within minutes, but the a.f.c. also had to be realigned-a twiddler had been at large . . .

We're not through yet: there was no sound in E -E orplayback because the REC 9V supply was permanentlypresent, due to 06041 in the syscon being short-circuit.When all this had been put right and the whole thing hadbeen reassembled correctly the machine worked well. Thecorrect screws were fitted! I hope the idiot responsible forputting the deck in this state is reading this and isthoroughly ashamed of himself. N.B.


ECONOMIC DEVICES PO BOX 15, WOLVERHAMPTON I WV2 4AZnc Ten 817 MTh 238 0.207 0.14 095413 831 BU95 115 0011% 99 MC135IP 1.22 SAS560T 5.a STMIO 537 15A940 117 1004431 227

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Dish Alignment by BBC Computer

The following program for use with the BBCmicrocomputer has been written to help satellite TV aerialfitters to determine the azimuth and elevation angles fordish alignment at a particular site. Many articles on thesubject have appeared over the last three years, but thedata given usually applies for only major cities. This pro-gram should provide the required data for any satellitevisible from the UK, at any location, provided the longitudeand latitude are known - this information can be obtainedfrom an Ordnance Survey map.

When the program is run a menu listing a number ofsatellites appears on the screen - see Fig. 2. If required thislist can be changed between program lines 1,390 and 1,640.When the satellite is not listed option number seven en-ables its longitude to be entered.

Use

The program is "user friendly". An example of a typicalcalculation, in this case for the Astra satellite, is as follows:

(1) Select Astra from the menu by entering number six(without pressing the return key). The screen will clear andthe satellite's position, "19.2 degrees East", will appear atthe top of the screen.

(2) A prompt at program line 520 requests that the longi-tude of the receiving site is entered. In this example the siteis Land's End, which is longitude 5-75°W. Enter the number5.75 then press the return key. Prompt line 560 will thenrequest that E for east or W for west of Greenwich isentered. Type W but don't press the return key.

(3) The final prompt at line 630 requests the site latitude tobe entered. Type 50 and press the return key.

The elevation - the angle at which the front plane of thedish has to be tilted back with respect to the vertical - isthen displayed on the screen. In this example it's 27.972°.

The azimuth angle is calculated and displayed in degreesof rotation from true north and also as an angle east or westof true south. As can be seen (Fig.3) the azimuth bearing is148.728° from true north, which is 31.272° east of truesouth.

It's important to know the geographical location in de-grees and decimals, not degrees and minutes. To convertminutes to decimal, divide by 60. For example, thirtyminutes is equal to 30/60 = 0.5°. Note that longitude asdrawn on Ordnance Survey maps is with respect to "gridnorth". This must be converted to true north: the conver-sion constant is shown in the map's legend.

Before the dish can be pointed east or west of true southit's necessary to find true south. A compass needle willpoint to magnetic north and the correction angle can be

J.T. Beaumont

found from the latest edition of an Ordnance Survey map.For Land's End the magnetic variation is currently 8°W.Once the magnetic variation has been found azimuthcorrection can be applied. Subtract the variation fromazimuths east of south, add it to azimuths west of south. Arough indication of true south in the UK can be found bymounting a vertical stick on a flat surface and noting theshadow produced by the sun at 1200 hours GMT (noon).

If you wish to change the satellites listed in the menu(options 1-6), the latitude in degrees is held in variable thetaand E or W of true south (Greenwich meridian) in variableA$ (lines 1,570-1,620).

Program1020 REM30 REM *40 REM50 REM60 REM *7080 MODE190 *KEY 10 OLD:MRUN:M

100 VDU23,225,28,34,34,28,0,0,0,0110 REM Define Degree symbol120 VDU19,0,4,0,0,0130 VDU23;8202;0;0;0;140 REM Remove flashing cursor150 PROC_Geost160 PRINT TAB(13,18);"SATELLITE DISH"170 PRINT TAB(10,20);"AZIMUTH/ELEVATION"180 PRINT TAB(14,22);"CALCULATIONS"190 PRINT TAB(10,26);"John Beaumont (19881"200 PROC_Border210 COLOUR 1220 PRINT TAB(2,30);"Press any key to start the

program"230 COLOUR 3240 *FX15,0250 S$=GET$260 CLS270 PROC_Geost280 PROC_Menu290 CLS300 COLOUR 2310 PRINT TAB(3,1);"Satellite Dish AZ/EL calculations"320 PRINT TAB(3);"

REM :***************************

***

*

REM :*** ****** ****************:

SATELLITE DISHAZIMUTH/ELEVATIONJ. T. Beaumont 1988

330 COLOUR 3340 REM Earth Radius350 LET Rad=6376.77360 LET Altitude = 35786

Erorl-h

West East West East

eae---- -let 3 456

South South1. British DBS 31. West of South

SHIFLEITE DISH 2. Intelsat UR FIT 27.5. West of SouthAZIMUTH ELEUHTIOH 3. Metosat weather 0' South

CRLCUIATIORS 4. Eutelsat 1 F2 7. East of South5. Eutelsat 1 Fl 13. East of South

John Beaumont (1988) 6. Astra 19.2. East of South7. To enter OTHER Satellite longitude

Press any key to start the program nt er a Humber to Select & Press Return

Fig. 1: Program start. Fig. 2: The menu.

Satellite Dish HZ'EC calculations

Satellite position is 19.2° East

Site longitude = 5.75. WestSite Latitude = 50.

Elemation is 27.972.

True Bearing Azimuth is 148.728.

= 31.272° East of True South

Press the Space -bar to repeat program

Fig. 3: Typical calculation.


370 REM Altitude of Satellite in GEO-STATIONARYORBIT

380 IF Q=1 THEN GOTO 450390 PRINT TAB(2,5);"Enter Satellite position in Degrees"400 PRINT TAB(2,6);"and press the RETURN key";410 INPUT Theta420 PRINT TAB(0,5);SPC(40);TAB(0,6);SPC(40)430 PRINT TAB(2,5);"Is the Satellite E or W of South ?"440 AS -GETS450 IF A$="E" OR A$="W" GOTO 460 ELSE PROC_

Error:GOTO 440460 IF A$="E" THEN B$="East"470 IF A$="W" THEN B$="West"480 PRINT TAB(0,5);SPC(40);TAB(0,6);SPC(40)490 COLOUR 1500 PRINT TAB(4,4);"Satellite positions is";Theta;

CHR$1225);" ";B$510 COLOUR 3520 PRINT TAB(2,7);"Enter the site Longitude in

Degrees"530 PRINT TAB(2,8);"and press the RETURN key '';540 INPUT Long550 PRINT TAB(0,7);SPC(40):PRINT TAB(0,8);SPC(40)560 PRINT TAB(1,7);"Is site Longitude E or W of

Greenwich?"570 C$=GET$580 IF C$="E" OR C$="W" GOTO 590 ELSE PROC_

Error:GOTO 570590 PRINT TAB(0,7);SPC(40):PRINT TAB(0,8);SPC(40)600 IF C$="E" THEN D$="East"610 IF C$="W" THEN D$="West"620 PRINT TAB(6,7);"Site Longitude = ";Long;

CHR$(225);" ";D$630 PRINT TAB(3,9);"Enter the site Latitude in Degrees"640 PRINT TAB(3,10);"and press the RETURN key ";650 INPUT Lat660 PRINT TAB(0,9);SPC(40):PRINT TAB(0,8);

SPC(40):PRINT TAB(0,10);SPC(40)670 PRINT TAB(6,9);"Site Latitude = ";Lat;CHR$1225)680 IF A$="E" AND C$="W" THEN Orbit = Theta+Long690 IF A$="E" AND C$="E" THEN Orbit = Theta -Long700 IF A$="W" AND C$="W" THEN Orbit =

Theta -Long710 IF A$="W" AND C$="E" THEN Orbit = Theta+Long720 LET Constant = Rad/(Rad+Altitude)730 LET A = COS(RAD(Lat))*COS(RAD(Orbit))740 LET B = A - Constant750 LET C = SQR(1-(A 2))760 LET Elev = DEG(ATN(B/C))770 LET Elev=INT(Elev*1000+0.51/1000780 IF Elev<0 THEN PRINT TAB(2,12);"The Satellite is

over the horizon":GOTO 940790 COLOUR 2800 IF Lat<=0 THEN PROC_Zero810 PRINT TAB(8,12);"Elevation is ";EIev;CHR$(225)820 COLOUR 3830 LET Angle = TAN(RAD(Orbit))/SIN(RAD(Lati)840 LET Azimuth = ABS(DEG(ATN(Angle)))850 PROC_Azi860 LET Bearing=INT(Bearing*1000+0.51/1000870 PRINT TAB(4,17);"True Bearing Azimuth is

";Bearing;CHR$(225)880 COLOUR 2890 IF Bearing>180 THEN Bg=INT((Bearing-180)*

1000+0.5)/1000900 IF Bearing>180 THEN PRINT TAB(5,20);"=

";Bg;CHR$(225); " West of True South"910 IF Bearing=180 THEN PRINT TAB(7,20);"which is 0";

CHR$(225);" TRUE SOUTH"920 IF Bearing<180 THEN Bg=INT((180-Bearing)*

1000+0.5)/1000930 IF Bearing<180 THEN PRINT TAB(5,20);"=

";Bg;CHR$(225); " East of True South"940 PROC_Border

950 COLOUR 1960 PRINT TAB(2,27);"Press the Space -bar to repeat

program"970 COLOUR 3980 *FX15,0990 Z$=GET$

1000 IF Z$=" " CLS:GOTO 2601010 GOTO 9901020 END1030 DEFPROC_Azi1040 IF A$="E" AND C$="W" LET Bearing =

180-Azimuth:ENDPROC1050 IF A$="W" AND C$="E" THEN LET Bearing =

180+Azimuth:ENDPROC1060 IF A$="E" AND C$="E" AND Theta<=Long THEN

LET Bearing=180+Azimuth:ENDPROC1070 IF A$="E" AND C$= -"E" AND Theta>Long THEN

LET Bearing=180-Azimuth:ENDPROC1080 IF A$="W" AND C$="W" AND Theta<=Long THEN

LET Bearing=180-Azimuth:ENDPROC1090 IF A$="W" AND C$="W" AND Theta>Long THEN

LET Bearing =180-rAzimuth:ENDPROC1100 DEF PROC_Geost1110 radius=75:angle=01120 S=620:T=8001130 MOVE radius+S,T1140 GCOL1,11150 REPEAT1160 MOVE S,T1170 PLOT85,radius*CDS(angle)+S,radius*SIN(angle)+T1180 angle=angle+0.11190 UNTIL angle>2*PI+0.11200 PLOT69,1020,8001210 GCOL1,31220 FOR 1=0 TO 2*P1+0.1 STEP 0.11230 DRAW 400*COSO)+620,150*SIN(1)+8001240 NEXTI1250 MOVE 620,5501260 DRAW 620,10001270 MOVE 1050,8001280 DRAW 180.8001290 PRINT TAB(1,6);"West"1300 PRINT TAB(33,6);"East"1310 PRINT TAB(17,0);"North"1320 PRINT TAB(17,14);"South"1330 COLOUR 21340 PRINT TAB(21,11);"***"1350 PRINT TAB(14,11);"**"1360 PRINT TAB(19,1 I );"*"1370 COLOUR 31380 ENDPROC1390 DEF PROC_Menu1400 PRINT TAB(21,12);"456"1410 PRINT TAB(13,12);"1 2 3"1420 PRINT TAB(1,16);" 1. British DBS 31";CHR$(225);"

West of South"1430 PRINT"' 2. Intelsat VA F11 27.5";CHR$(225);" West of

South"1440 PRINT" 3. Meteosat weather 0";CHR$(225);" South"1450 PRINT" 4. Eulelsat 1 F2 7";CHR$(225);" East of

South"1460 PRINT"' 5. Eutelsat 1 F1 13";CHR$(225);" East of

South"1470 PRINT"' 6. Astra 19.2";CHR$(225);" East of South"1480 COLOUR 21490 PRINT"' 7. To enter OTHER Satellite longitude"1500 COLOUR 11510 PRINT"'Enter a Number to Select & Press Return"1520 *FX15,01533 PROC_Border1540 COLOUR 31550 P$=GET$1560 LET Q=01570 IF P$="1" THEN Theta=31:A$="W":Q=1


1580 IF P$="2" THEN Theta=27.5:A$="W":Q=1 1730 PRINT TAB(5,20);"and press the keys requested"1590 IF P$="3" THEN Theta=0:A$="W":Q=1 1740 FOR W=1 TO 3000:NEXT W1600 IF P$="4" THEN Theta=7:A$="E":Q=1 1750 PRINT TAB(1,18);SPC39;TAB(1,20);SPC391610 IF P$="5" THEN Theta=13:A$="E":Q=1 1760 COLOUR 31620 IF P$="6" THEN Theta=19.2:A$="E":Q=1 1770 ENDPROC1630 IF P$="7" LET Q=2 1780 DEF PROC_Zero1640 IF Q=0 GOTO 1550 1790 COLOUR 21650 ENDPROC 1800 PRINT TAB(1,18);"You cannot divide by zero on a1660 DEF PROC_Border computer"1670 COLOUR 3 1810 PRINT TAB(8,20);"don't enter silly data"1680 MOVE0,0: DRAW1279,0: DRAW1279,1023: 1820 FOR W=1 TO 3000:NEXT W

DRAW0,1023: DRAW0,0 1830 COLOUR 31690 ENDPROC 1840 PRINT"TAB(5)"PRESS ANY KEY TO START AGAIN"1700 DEF PROC_Error 1850 *FX15,01710 COLOUR 2 1860 A$=GET$1720 PRINT TAB(2,18);"Make sure the CAPS LOCK key is 1870 RUN

ON !" 1880 ENDPROC

Long-distanceTelevision

Roger Bunney

December provided a relatively quiet close to the year,reflecting the conditions during much of 1988. Sporadic Ereception wasn't wonderful except for early June whenover a three-day period ch. A2/3/4/5 signals from NorthAmerica were seen in the UK and identified as coming

along the eastern Canadian/USAseaboard. There was also a remarkable lunchtime periodwhen North African Band III signals were seen in the UK- in the lower half of the band. Conditions in lateOctober/early November were lively, with increasing sun-spot activity and ch. E2/R1 reception from deep intoRussia and the Middle -Far East. Since then F2/TE recep-tion has occurred from time to time when the m.u.f. hasrisen into the lower end of Band I.

December's log has a little of everything. SpE had itsmoments as follows:

4/12/88 ORF (Austria) ch. E2a; RAI (Italy) ch. IA.5/12/88 NRK (Norway) E2.6/12/88 TVE (Spain) E3; RAI IB.7/12188 TVE E2; 3.9/12/88 SVT (Sweden) E2; NRK E2.

10/12/88 TVE E2, 3, 4.11/12/88 TVE E2.13/12/88 'I'VE E2, 3.14/12/88 'I'VE E2, 3; RAI IA; ORF E2a; CST (Czechoslova-

kia) 121; TVP (Poland) R1; SVT E2.15/12/88 TVE E2.16/12/88 NRK E2, 3.17/12/88 ARD (West Germany) E2; JRT (Yugoslavia) E3;

ORF E2a; RAI IA; TVE E2, 3.19/12/88 TVE E2; CST R2; 'TSS (USSR) R2.20/12/88 CST R1; TVP RI; TSS R1; SVT E2.21/12/88 CST Rl.22/12/88 TVE E2, 3, 4; TVE-2 E2; unidentified programmes

on chs. R1, 2, 3.24/12/88 TVE E2; NRK E2, 3.30/12/88 SVT E2.31/12/88 SVT E2.

On the 16th an aurora was observed, with disturbancein Band I. There was improved tropospheric propagation

on the 11th, with mainly West German Band III/u.h.f.and Danish Band III signals received in central/easternUK. The 22nd produced several Swiss Band III and manyWest German Band III signals. January 2nd/3rd gave W.German/Benelux reception and ducting on the 2nd pro-duced Danish Band III signals in the midlands.

There was lively meteor activity during the month withthe Geminids shower. Tim Anderson logged SWF (W.Germany) ch. E7 on the 12th during this event, thoughthere was naturally much activity in Band I - sufficient toprove the efficiency of the Les Wallen 49MHz helicalaerial!

F2 activity has unfortunately been at a low level. TimAnderson received what he believes to have been Malay-sia ch. E2 between 0825-0923 on the 23rd, at levels to P4.The programme content was western with subtitles ofIndo-Chinese origin. During this time Finnish radio ama-teurs were in contact with their Australian counterparts inthe 50MHz band. The next morning (24th) producedweak, scanner -level sync information on chs. R1, E2 andE3. With the m.u.f. rising to 50MHz, American amateursare commonly reporting reception of ch. R1/E2 videoinformation. On the 20th for example very high level ch.E2 signals were received for some four hours in Canada,though there was only weak backscatter here in the UK.Hugh Cocks in Portugal reports that Brazil ch. A2 andAfrican ch. E2/3/4 signals are received almost daily -signal propagation is mainly by late afternoon/eveningTE. One pointer for transatlantic reception is a broadcastlink now operating in Columbia at 45.7MHz. The RSGBVHF/UHF Newsletter reports that transatlantic openingsat 50MHz were frequent during November/December.Unfortunately the TV bands start at a lower point in thespectrum in Europe than in America, where the lowestchannel is A2 (55.25MHz), so the m.u.f. really has to risefor transatlantic TV reception in Europe.

Anthony Mann (Perth, Western Australia) reports F2/TE reception from China/Malaysia, with some SpEenhancement over the final path. What is of importancefor the record books is the news that Brian Clark, a TV/FM DXer in Auckland, New Zealand, received thefollowing transmissions on October 4/5th: Cairns 4ABC-FM at 105.9MHz, 80kW, a distance of 2,260miles;Mackay ABMQ-4 TV, 100kW, at 1,900miles;Rockhampton 4ABC-FM at 93.7MHz, 50kW, 1,700miles; and Brisbane f.m. and ch. A10 TV at 1,400 miles!

During the tropospheric opening on the 22nd a scram-bled System B ch. E8 TV signal was noted, possibly fromRTB-F (Belgium) or ARD. Can anyone comment onthis?


The RSGB VHF/UHF Newsletter suggests that thepresent sunspot cycle, no. 22, will peak late this year witha smoothed count of around 180. This would represent thesecond best since records began. The last peak of around165 in 1978/9 produced signals reaching to about 60MHzover long F2 paths. In the late fifties cycle no. 19produced a smoothed count of around 200, so things lookgood for us later this year!

My thanks to the following for their comments andreception reports: Hugh Cocks (Portugal), Bill Cotterill(Tipton), Mark Baldwin (Rushden), lain Menzies (Ab-erdeen), Tim Anderson (St. Leonards), Simon Hamer(Powys) and Roger Fussell (Torpoint).

Andrew Emmerson (BATC) hopes to start a "405 -line"circle. If any readers are interested, please write in so thatletters can be forwarded. One reader at Lea on Solent(Hants) tells us that he now has two working 405 -linecameras with correctly timed pulse/blanking and canrecord System A slides on to VHS tape. If anyone has 8/16mm films/telerecordings for transfer, please write in.

Astra Channel AllocationsWe have received, via Kesh Electronics, the latest

Astra channel allocation list. Details are as follows. Notethat this list supersedes previously published information.

Channel Frequency Transponder Polarity!(GHz) mode

Sky 11.318 8 V1

Sky News 11.376 12 V1

Sky Movies 11.435 16 V1

Disney 11.258 4 V1

Eurosport 11.332 9 H1Sky Arts 11.391 13 H1UK TBA 11.421 15 H2Screen Sport 11.214 1 H1

Lifestyle 11.273 5 H1

Filmnet 11.362 11 H2Scansat 11.303 7 H2

Scansat-TV3 11.244 3 H2German 11.229 2 V2German 11.288 6 V2German 11.347 10 V2German 11.406 14 V2

Screen Sport and Lifestyle will be clear initially, then inMAC. UK TBA (to be advised) could be Premiere or theBBC. Scansat should be the same as now on Intelsat. Noinformation at present on the German channels.

Typical F2'TE reception in the UK, byAndrew Tett in June 1980. Note themultiple images. The signal was re-ceived from the south, on ch. E3 -perhaps from Sokoto, Nigeria.

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\. Tel: 0202 738232 }News ItemsEast Germany: The BDXC reports that the main DFF-1ch. E4 Cottbus transmitter (100kW e.r.p.) has closeddown. A low -power relay provides a local service on thesame channel. This transmitter, a favourite for MS recep-tion, will be missed.France: A Belgian contact reports that all new French TVnetworks have their transmitter channel information car-ried by the Minitel videotex service. Transmitters aregrouped in two -digit department codes, e.g. 75 = Parisregion, 59 = Nord/Pas de Calais etc. We've received aprint-out on a modified Prestel terminal from a BBCcomputer.In brief: Philips is to supply 15,000 decoders to themedical profession for reception of the daily hour-long

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TRN reports that a ch. E2a (49.75MHz vision) 0.2kWe.r.p. transmitter is now in operation in the Lebanon . . .

The first Belgian commercial TV station, VlaamseTelevisie Maatschappii, was due to come on air onFebruary 1st.

New EBU ListingsW. Germany: Rosengarten ch. E52, 501kW e.r.p. hori-zontal. This is a private station.France: Le Mans-Mayet ch. E32 150kW La 5; Metz-Luttange ch. E39 200kW La 5; Troyes ch. E50 250kWM6; Auxerre ch. E55 100kW La 5; Amiens ch. E52100kW M6. Powers e.r.p. and polarisation horizontal inall cases.

PublicationsHS Publications, 7 Epping Close, Mackworh Estate,

Derby DE3 4HR has published a second edition of the"Teleradio News - Data File Bands 1 and 2". This is anextremely useful guide for SpE and general DXing. Itincludes transmission standards, a channel allocation/fre-quency section, main Band HI transmitter locations/technical data with a map, seven pages of test patterns andcaptions and general notes on the Band I/II transmissionsin various countries. Very good value at £5.99 postagepaid in the UK.

Bernard Babani (publishing) Ltd. has published a sec-ond, updated and expanded edition of "An Introductionto Satellite Television" by F.A. Wilson. It provides agreat deal of information on the subject for just £5.95.Available from the publishers at The Grampians, Shep-herds Bush Road, London W6 7NF, from booksellers orfrom Aerial Techniques.

Meteor Shower/Scatter PropagationFrom time to time in this column we describe for

newcomers the basic signal propagation modes that makelong-distance reception possible. This month we'll con-sider meteor shower/scatter propagation.

When the E layer of the ionosphere, about seventy milesabove the world's surface, is sufficiently ionised v.h.f. TVsignals can be reflected back to Earth, giving long-distancereception at up to say 1,200 miles from the transmittingsite. Sporadic E propagation occurs when patches of theionosphere become intensely ionised. This happens mainlyduring the summer months, when SpE openings canproduce high-level, long -duration signals in Bands I -Ill. Asimilar phenomenon is caused by meteorites that enter theionosphere. When they reach the E layer they burn up andvaporise, producing ionisation sufficient to support signalreflection. Such ionised areas lie in trails along the paths ofthe decaying meteorites. The ionised trail is relativelysmall, and as a result the distant reception site will have anarea of only about six miles by twenty five miles. Thus asignal received by one DXer via this mode may well not bepresent at another DXer's location perhaps twenty milesaway. This second DXer may receive a signal of minimalstrength or perhaps a signal from a different transmitter.

Meteor scatter propagation works best with Band Isignals. Higher frequency signals can be reflected by veryhigh density trails - Band III TV signals are reflected attimes, particularly during the regular meteor showers, butin Band III the signals are of short duration and infrequent.

It's interesting to note that military communicationssystems exploit the random MS trail phenomenon forregular data communications, using digital techniques. Inmodern duplex systems a continuous probe signal isradiated. When the intended receiving site detects theprobe signal an acknowledgement is sent back to thetransmitter which then sends out a digital burst signal alongthe MS reflection path. The ionisation density lasts longenough to support reflection for between half a second to aminute. According to military information a data rate of ahundred words a minute can be averaged over a 24 -hourperiod. In the USA information on snow levels and otherweather data is transmitted via the MS SNOTEL system,and in Alaska military information from remote radar sitesis transmitted via MS propagation. There is particularmilitary interest in MS propagation since a nuclear strikecould cause disruption of h.f. communications through E/Flayer destruction.

MS propagation makes DX -TV reception possiblethroughtout the year, though the duration of the signalsreceived will be short, ranging from "pings" of a second orso to "super pings" that give reception for approaching aminute. One problem with Band III MS reception is thatDX aerials tend to be of the multi -element type, withreduced vertical capture.

Apart from daily random MS activity there are periodsof intense MS when the regular meteor showers occur -the main meteor shower dates for 1989 were listed in theJanuary issue (see page 208).

For MS DX -TV reception the receiver must have veryfast sync action since the signals may last for only seconds.Many of the signals are weak, so aerial gain and a low -noiseamplifier are necessary. Accurate tuner calibration isessential. The early morning hours tend to be best for MS,though results depend on the transmitters that happen tobe on air at the appropriate time - with increasing"breakfast TV" in Europe, Band I MS reception is thesedays a lot more common than it used to be.

Radio Amateur Operation at 50MHzThe RSGB reports that Dutch radio amateurs have

been given permission to use SSB transmission at 50MHz- formerly only c.w. had been permitted. Some 420applications for permission to operate at 50MHz havebeen received by the French authorities. Strict operatinglimits are in force to prevent interference to ch. L2 TVtransmissions. Over 100 permits have been issued to date.50MHz operation was considered in Luxembourg butapparently there have been interference problems withcable systems. The Danish authorities have not yetreached a decision on 50MHz operation. Twenty fiveexperimental permits have been issued in Sweden, allow-ing operators to use 50W e.r.p. for stations 250km from ach. E2 transmitter and lower powers at closer distances.Cyprus has extended 50MHz operation. Farther afield, atleast one UK amateur is operating at 50MHz in Nigeriaand a further amateur is operating in the Falklands.

The 50MHz amateur band has caused TV-DXers fewproblems to date - unless you happen to live within a fewmiles of an operator, when ch. E2/R1 reception canbecome difficult. The problem is not as bad as a nearby49MHz baby alarm however. We understand that DaveLauder is working on a new notch filter design with a verysharp response to help with rejection of adjacent sourcesof interference and hope to be able to pass on moredetails shortly.


ServiceBureau

Requests for advice In dealing with servicing problemsmust be accompanied by a £2 cheque or postal order(made out to IPC Magazines Ltd.), the query coupon and astamped addressed envelope. We can deal with only onequery at a time. We regret that we cannot supply servicesheets nor answer queries over the telephone.

TANDBERG CTV3 CHASSISThis set trips continuously and although the feeds from thepower supply and the line output stage have been discon-nected I cannot isolate the cause. The power supply panelhas been checked for dry -joints and various smallersemiconductor devices have been replaced. With the 160Vline isolated from the main panel the h.t. pulses up toabout 80-90V. The 12V supply to the TBA920 chip is alsolow and pulsing. Obviously the overvoltage trip is notoperating or the fuse would blow.

It sounds as if the excess current trip is operating. Firstcheck that R754 (0.4751) hasn't increased in value, thencheck Q736 (BC548). To prove that the line output stageetc. isn't loading the power supply excessively, wire a60W, 240V bulb across the main output from the powersupply.

SONY SLF30This machine plays prerecorded tapes all right but its ownrecordings produce a picture that is grainy for a second ortwo then a good picture with wow on the sound, as thoughthe speed is varying. The fault is the same when the tape isplayed back on another machine.

The cause of the trouble could well be poor transfer ofthe control track pulses - clean the control track head. Ifthis doesn't cure the problem, try setting up the capstanservo. If difficulty is experienced in doing this check thecapstan shaft bearings for free running.

BUSH BC6004There's no vision or sound - even the tube's heaters areout. The supply into the set is all right but it seems to usesome rather unusual circuitry.

This set was produced by Saba and uses a combinedline output/power supply regulation arrangement called aWessel circuit. Check with an ohmmeter whether T686(BU208) or D687 (SKE4F/10) is short-circuit. If they areo.k., check for 300V at the mains rectifier's reservoircapacitor C858. If this voltage is missing the surge limiterresistor R854 (6.851, 11W) is probably open -circuit. If it'spresent the protection circuit associated with thyristorThy697 could well have come into operation. Investiga-tion of this calls for the use of a variac and oscilloscope.

GRUNDIG 2 x 4 SUPERWhen picture search is selected, in either direction, thepicture rolls continuously. Occasionally the picture locksfor a split second. When this happens the picture is good.

This affect is usually due to need for tape servoadjustment. This should follow a check on video headheight offset - a dual -beam oscilloscope is required forthis. Servo adjustment also requires an oscilloscope and a

method different from that described in the manual -refer to page 76 of the Grundig Technical Bulletin issueno. 5, 1983 (part no. 00(02-360.05).

FERGUSON TX90 CHASSISThis is one of the 14in. models. The fault is a thin whiteline rising from the bottom of the picture. Sometimes thereare two such lines.

We suggest that you check the 95V supply decouplerC191 (22µF), then D107, 8203 (33SZ) and TRIOS(TIP112H) in the field output stage before suspecting theexpensive TDA4500 chip. Use of gentle heat from ahairdryer and a freezer aerosol may help to pinpoint thefaulty component.

PANASONIC NV788The heads were replaced using genuine Panasonic parts.The result: excellent standard play operation, along withslow-motion effects etc., but on long play the picture is verynoisy, as though one head isn't functioning. Inspection ofthe f.m. envelope waveform showed that the output fromone head is about half that from the other one. A secondset of heads has made no difference.

The heads have separate preamplifiers - IC3502 catersfor LP operation. Suspect it once you've proved that thetracking is perfect in the SP mode and that the drives tothe bases of Q3501 and 03502 are correct.

GRUNDIG CUC720 CHASSISAfter fitting a new tube the picture was found to be off-centre vertically, by about 5/sin. (too high). The problem isthat there's no field shift control. All the controls availablework normally.

The tube tolerances are such that with correct setting upthe picture should be within a few mm of the correctcentring. The purity adjustment has the biggest influenceon centring. The other c.r.t. neck rings also affect it.These items should be adjusted.

FERGUSON 3V48We have the same trouble with two of these machines. Thefault is with hi-fi audio and occurs with both own record-ings and prerecorded tapes. Intermittently a slight buzz/crackle is heard on both channels, for approximately a halfto a second. This can happen every ten seconds or not beheard for about five minutes. AU the relevant adjustmentshave been carried out. If a scope is connected anywhere inthe playback circuit a ripple can be seen when the noise ispresent. Slight pressure on the deck produces a similarfault but slight adjustment of the entry/exit guides onlymakes matters worse.

IC204 could well be the culprit. Apart from this a gooddeal of information on the problem was published in issueno. 29 (February 1987) of Ferguson Feedback.

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HITACHI CRP143 (NP6C CHASSIS)Sound and picture are periodically lost. After switchingoff, sometimes for an appreciable period of time, every-thing is o.k. when the set is switched on again. Anysuggestions?

First check the soldered joints around the choppertransformer T902 and the line output transformer T703,preferably by disconnecting them then resoldering. Ifnecessary replace the voltage divider/reference source unitCP901 (HM9102) and the error amplifier transistor TR907and check all associated joints. Occasionally rectifierdiode CR705 (VO9C) or R733 fails, killing the 12V line.

I MOCASE

315Each month we provide an interesting case of

TV/video servicing to exercise your ingenuity.These are not trick questions but are based onactual practical faults.

David the Downtrodden was about to leave the yard onthis bitterly cold morning. Out of his warm den theService Manager trotted with a further job in his hand.One more in Crowfield - a rental Toshiba VCR with a"poor picture". What does a "poor picture" mean?Anything! Why can't the hens in the office get morespecific details?

David arrived to find a Toshiba Model V66 (similar tothe JVC HRD140, Ferguson 3V44 etc.). He was told thatthe playback picture was "wobbly". His own test tape,with a recording of the IBA test pattern, was inserted andthe playback picture on the TV screen was then exam-ined. The picture showed a lateral twitch effect, withwatery verticals, especially in the lower part of the screen.This can arise from incompatibility with the TV set, butthe one installed was correctly set up for VCR use -indeed the off -tape picture was considerably worse whentuned in on one of the off -air channels. Just to make sure,another TV set from the van was brought in and hookedup. The results were exactly the same. Anyway, TVcompatibility problems usually cause a twitch at the top ofthe screen rather than the bottom.

David cleaned the lower drum, the capstan, the pinchroller, the guides and the head drum cylinder. This did notimprove the playback pictures, and a recording made onthe machine showed that the jitter effect was even worse!On to the van with the machine then.

With the VCR in the workshop the symptom wascarefully studied and analysed. It was plainly due totiming jitter in the playback signal - the effect of minutechanges in the speed at which the recorded tracks werebeing scanned. This can arise from irregularities in thetape's progress or in the head drum's peripheral speed.

The second possibility was investigated first. The drumwas carefully rotated by hand, while "feeling" and listen-

ing for any roughness or rumble in the bearings. None wasapparent. A scope was next hooked to the drum motor'serror control line. The ripple level here was found to beno higher than in a similar model whose playback picture.was o.k. Could it be that the head motor, a direct -drivetype, was faulty? Perhaps the only real test for this is bysubstitution, so at this stage we decided to investigate thealternative possibility, tape judder.

The entire tape path was again cleaned and polished,and the lkHz tone from a test tape was listened tocarefully for signs of flutter. No clues emerged from thesesteps, or from a check of head eccentricity with animprovised mounting for the gauge. The running of theimpedance roller (beside the full -erase head) was nextchecked. When spun fast it rattled and roared somewhat.Could this be the cause of the trouble? A single drop oflight lubricant was run down its shaft, after which it ran assweet as a nut. The playback picture was no betterhowever!

Workshop Sage was consulted on the matter. The factthat the jitter was worse in the lower part of the pictureseemed to him to be an important clue. With no tape inthe machine he prodded, poked, felt and listened. Hethen loaded a test tape into the machine and, whilewatching the TV screen, applied a miniscrewdriver tip to acertain part of the deck. This had some effect on thejittery picture. Sage suggested a possible culprit, a smallbut high -precision component, which did indeed turn outto be the cause of the trouble. What was it? See nextmonth's issue for the answer.

ANSWER TO TEST CASE 314- Page 284 last month -

An incredible set of symptoms was present in thePanasonic NV7200 VCR described last month. Inplayback the machine behaved exactly as if a blank tapewas loaded, except that there was sometimes a snatch ofsound and vision at the beginning of the playback and thatthere were good pictures in the review mode provided thetape being reviewed hadn't previously seen an attempt atplayback in the machine!

The machne was of course "reading" blank tape in theplayback mode. As the tape approached the video headdrum it was being erased by the full -erase head, whichwas operating even during playback. Thank goodness thealignment tape hadn't been fed into the machine at anystage!

Normally the full -erase head comes into action onlywhen the machine is in the record mode. The eraseoscillator is switched on by a voltage at pin 3 of P4001.This voltage turns on switching transistor Q4019 on the Y/Gaudio panel. When tested this "relay" transistor wasfound to have developed a virtual short-circuit, with theresult that the erase oscillator was powered at all times.

During the testing and head -scratching in the, workshopthe rogue machine had wiped clean sizeable portions ofsome of our favourite tapes, and had done the same tosome of those belonging to the owner. The worst newshowever was for the proprietor of the video rentalshop . . .

Published on approximately the 22nd of each month by IPC Magazines Limited, King's Reach Tower, Stamford Street, London SE1 9LS. Filmsetting byTrutape Setting Systems, 220-228 Northdown Road, Margate, Kent. Printed in England by the The Riverside Press Ltd., Thanet Way Whitstable, Kent. SoleAgents for Australia and New Zealand - Gordon and Gotch (Alsia) Ltd.; South Africa - Central News Agency Ltd. Subscriptions: Inland £18, overseas (surfacemail) £21 per annum, payable to Quadrant Subscription Services Ltd., Oakfield House, Perrymount Road, Haywards Heath, Sussex RH16 3DH. "Television" issold subject to the following conditions, namely that it shall not, without the written consent of the Publishers first having been given, be lent, resold, hired outor otherwise disposed by way of Trade at more than the recommended selling price shown on the cover, excluding Eire where the selling price is subject tocurrency exchange fluctuations and VAT, and that it shall not be lent, resold, hired out or otherwise disposed of in a mutilated condition or in anyunauthorised cover by way of Trade or affixed to or as part of any publication or advertising, literary or pictorial matter whatsoever. ISSN 0032-647X.


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ZN-426 2609ZN-427 600p


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200p74p

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IDLERS & PULLEYSREPLACEMENTS

SanyoReel, Pulley ,43-0-6627-01201 520pGear Idler 143-04904-00900 460pTake Up Idler 143-0-4204-00100850pIdler 143-2567-03200 450pSonyRew Pulley 9-6706-3488 400pFlew Pulley 5 -6706 -391 -NB 300p

11114M

Idler Assembley NIDL0005 Gen 325pIdler Assemoley NIDL0006 Gen 325pIdler Sharp NIDL0005 Gezz 225pBHaehi'dler Assembley 6886971 300pIdler Assembley V-68661482 385p,NCIdler Assembley PU-47752 4809Take Up Idler PU-514024 145pTake Clutch 91.1-55373 225pIdler Arm RJ-55374-3-8 285pFast Formed 141 PU-45896C 210pNational

300p

COMPUTERIC'S21142532

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10544800

6545 880p6551 530p6800 210p6802 220p6803 800p6808 50096809 800p6810 150p6818 380p

VIDEO RUBBER BELTSARMVS-2EG/5EG 5 belts/kit 180pVS -9300 7 belts/kit 220pVS-9700EG 6 belts/kit 200pVS -95009800 7 belts/kit 220p

JVCHR -3300/3600 9 5059511 220p1411-3330 7 bets/kit 200p14R-33130/3660 7 belts/kit 190pHR -4130 7 behshit 194HR -7200 3 belts/kit 75pHR -7600 3 belts/kit 144HR -7730 3 belts/kit 77p

NATIONALNV -300 5 behsAcit 160pNV -333 5 belMJNI 1350NV -777 4 belts/kit 1300NV -2000 5 belts/kit 155pNV -3000 6 belts/kit 111109NV -7000 5 beltsAce 100pNV -7200 5 bens/kit 90pNV -8600 7 belts/kit 200,80441/51-0725037 6 belts/kit 140pSL-T7ME/r7MER 6 Potts/kit 170151-79/19/J9 7 beltsNit 210pSL -800043080 6 belts/kit 240p

SANYOVTC-5300 5 belts/kit 190pVTC-5500 3 belts kit 95pVTC-9300 4 belts/kit 24009

HITACHIVT -5000 7 heltsicit 155pVT -8000 3 belts/kit 110pVT -II 5 belts/kit 190p

RSHERVBS-7000 6 beltrikit 2.459VBS-9000 3 beltsAcit 120p

TOSHIBA0-52505280 5 belts/kit 234/p6-5480 7 belts/kit 214V-5475 6 bettsNit 194V-7540 5 belts/kit 190pV-8600 6 belts/kit 150p

SHARPVC -6300 5 beltsAtit 1950VC -7300 5 belts/kit 1000VC -8300 5 beltsAtit 175pVC -9300 5 belts/kit 1550

CASSETTE MOTOR6V 290p9VCW 290p12VCCW 290p12VCW 250013.2VCW 290913.2VCCW 290pCASSETTE TAPE HEADSMono Head 90pStereo Head 150pMono Mini Head 2.30pAuto Reverse Head 230pVIDEO MOTORSSanyoReel Motor 16M111 P/N 4-529V-10800 790pCapstan Motor 4-527V-51000 2400pSonyCapstan Motor BHF-11000 2600pSharpReel Motor RMOTB 1007 Gen 12150pReel Motor RMOTM 1008 Gezz 1750pLoading Motor RMOTM 1017 1000pJVCCapstan Motor PU-55371V 2200pCapstan Motor PU-45979 225013Drum Motor PU-46414 22509VIDEO PINCH ROLLERSNationalNV -300 475pNV -7000 475p5443yoVTC-9300 475pVT0-5500 475pSon51-T7y 4759SL -07 475p,NC1-111-3300 500pHR -3330 500pHR -3360/3660 500pHR -7200 500pHR -3300 600pAkaiVS-9700EG 380pHitachiVT -500D 475pSharpVC -6300/6500

SERVICE AIDSSERV1SOIL PRODUCTSV. Head Cleaner 85pSwitch Cleaner 104Silicone Grease 115pFreeze It 105pFoam Clwner 105pAnti -Stele 1015pAerokleare 110pAero Duster 115pPlastic Seel 105p

UNIVHRSAL TRIPLERS 500p

SONY on/off SWITCHES 2509

VIDEO LAMPSUNIVERSAL VIDEO LAMP 30p

12V. 60mA 1300mm Wires)RED OR BLUE

VIDEO !AMP FOR PANASONIC 13043

FLOPPY DISCS51/4 Mob DSDD 110 in box) BrandedName £12.5051/4 incn DSDD (bulk pack) 25 £10.0031/2 inch DSDD 110 in box) BrandedName £21.003 inch CF2 Branded Name £2.403 inch CF2D Branded Name £3.00

ELECTROLYTICCAPACITORSRADIAL LEAD

10 Hake22 ME47 ME100 ME220 SAF

470 IMF

1000 ME16 Volts10

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47 ME100 ME220 NE470 MF1000 MF2209 MF4700 MF25 Volts10 MF22 MF47 MF100 MF220 MF470 MF1001, MF220., ME35 Volts10 ME22 ME47 MF100 MF220 MF470 MF1000 MF2200 MF

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315p

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110p

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100p

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22 MF

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100 Volta0.47 ME1.0 MF1.2 MF4.7 ME10 ME

15plip15p20925930p35p50p

190p

15p15p15p20p25p

159tip15915p15p20p25p30p35p

100p

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ELECTROLYTICCAPACITORS

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10 VOLTS470 MF1000 MF2200 MF

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120p1609

40p509709

25 VOLTS22 MF 25p47 MF 35p100 MF 35p220 MF 40p470 MF 45p1000 MF 70p2200 MF 125p

36 VOLTS10 MF22 MF47 MF100 MF220 MF470 MF1000 MF2200 MF

25p25p30p35p40p90p

110p160p

40 VOLTS

10 MF

22 MF

47 MF100 MF220 MF470 MF1000 MF2200 MF

63 VOLTS

1.0 MF

2.2 MF4.7 MF10 MF22 MF47 MF100 MF220 ME470 MF1000 MF

25930p35p40p50p1300

104160p

25p25p25p30p35p

50p130p

10001800

100 VOLTS

1.0 MF2.2 MF4.7 MF10 MF22 MF47 MF

2Sp25p30p35935p40p

SOLDERING IRONANTEX )(025W 2406 Soldering Iron240Vac 540pSpare Element for XS25W 2406 260pANTEX 015W 240V Soldering Iron240Vcm 5409Spare Element for C15W 2406 260p

DESOLDERING PUMPDesolder Pump 2500Spare Norde sop

SOLDER MOP 850

SOLDER18 SWG 50420 SWG 504

580p650p

SOLDERING IRONSTAND

Soldering StandSpare Sponge

VIDEO HEADSREDUCED TOUNBEATABLE

PRICES

200p40p

JVC/AXAUFERGUSON 31-1S5 £15.50NATIONAL PANASONIC 4HSSE15S0SONY DSR-358

020/C30/C40 520.00

SONY 13511-43R 1320.00

FITACHI VT1103 E20.50

SHARP VC387/9700VC581/681 031.00

TOSHIBA 1/214091300 12200AMSTRAD VCR 4500

VCR 7000 030.50NATIONAL NV370 121.00NATIONAL NV430 E21.00

ENGINEERS SERVICE* SMALL ZIPPED *

TOOL KIT£28.99 + VAT

CONTAINING:* PLIAR, CUTTER, *

TOP CUTTER* MULTI TESTER, *

TWEEZER* FIVE DIFFERENT TYPES* OF TINE TOOLS *

PLEASE PHONE US FOR TYPE NOT LISTED HERE AS WE ARE HOLDING5000 ITEMS AND QUOTATIONS ARE GIVEN FOR LARGE QUANTITIES.Please send 70p P&P and VAT at 15%. Gom, Colleges, etc. Orders accepted.Duotabons given for large quantities. Please allow 7 days for dekyery. AM brand-newComponents. NI valves are new and boxed Pnces quoted are subiect to stockavailability and may be changed dubno

GRANDATA LTDK.P. HOUSE, UNIT 15 POP IN COMMERCIAL CENTRE,

SOUTHWAY, WEMBLEY, MIDDLESEX, ENGLANDTelephone: 01-900 2329 Telex No: 932 885 (Sunmit)

Fax: 01-903 6126Access & Visa Card accepted Open Monday io Saturday


TRADE ANNOUNCEMENT

BY GAMMA U.K. LTDNEW TRADE WAREHOUSE NOW OPEN

IN BIRMINGHAMVIDEOS! VIDEOS!

FRONT LOADING? TOP LOADING? - WE HAVE THEM ALL!Ferguson (3V45) (3V43) (3V36) (3V35) (3V31) (3V30) 3V29) 3V23) etc.Plus Hitachi, Sharp, Saisho, Panasonic, Mitsubishi etc.

TEXT! TEXT!FERGUSON, PHILIPS, PYE, GRUNDIG, ITT ETC.

REMOTESFERGUSON, PHILIPS, PYE, GRUNDIG ETC.

BASIC SETSPHILIPS, DECCA, ITT, THORN, PYE, JAPS ETC.Too many to list

PORTABLESTIP! TOP! WORKING PORTABLES from

SPARESVI l Es & TV PARES - Ferguson 3V29/30 Belt Kit £1

Thorn Universal Heads £13Various Remote Controls £11

Panels & other parts available - ring for details

Prices start fromfor working videos

Prices start from

Prices start from

Prices start from

YOU HAVE TRIED THE REST - NOW TRY THE BEST!SO RING US TODAY ON 021-458 4093OR CALL AT OUR SHOWROOM/WAREHOUSE

1750/1754 Pershore Road, Cotteridge, Birmingham B30 3BH(We are on the main A441)

- ALL PRICES ARE SUBJECT TO VAT -


N,NN.N:NN,N:+sk.,

TELEVISIONS &VIDEOS

FROM HOTELS ANDPRIVATELY OWNED

RENTAL COMPANIES- HITACHI, GRUNDIG,

ITT, SONY,PANASONIC

PLUS MANY OTHERMAKES

STILL ARRIVING

Latest

DECCA/TATUNG

MICRO -MONITORS

STANDARD, REMOTE,

TELETEXT

ALSO LATE MODEL

FRONT LOADING

VIDEOS

PRO -VISIONBREEDON CROSS STORAGE

DALE ROAD __.%

BIRMINGHAM ilef ES 4'SELLY OAK ' Sie

/44 1r\B29 6ACI 'X' ecol

021 471 5116 ,I5)

1

...1% 4 fry/....,1

1)/

-OPEN-Monday to Friday10am to 5.30pm

all other times byappointment

FROM M6 Junc 6

WE ARE HERE

c'k')14) 7

110*rg

<r 711?.DINSlt

FROM M5 Junc 4

CREWE WHOLESALE TELEVISIONCHESHIRE'S LARGEST WHOLESALERS - OVER 18,000 SQ. FT.

15 MINUTES FROM JUNCTION 17, M6

(Including hundreds of text working and off the pile) G11 's, G11 Text, Bush T-20 upwards,Finlandia, G.E.C., K30, KT3, Grundigs, ITT's, Trimlines, 800, CVC 40 and 30's, Decca 80's and100's, Doric 3's, 3A's and 4's, and cable with translators. Philips KT30 -3 - 45 stand & text.

LORRY LOADS DIRECT FROM SOURCEVIDEOSVHS - Mechanical Hitachi

Electronic Nat/pan, HitachiSharp and Thorn

50 Mixed of your ITT30/32choice Decca 80's and 100's AT £250.00 + VAT

Doric series 3GEC 2110/2111

RING NOW FOR THE LATEST PRICES ON TV's & VIDEOS

BETAMAX - Sony, Sanyo,Toshiba, etc.(Working or untouched)

GUARANTEED UNTOUCHED

CREWE WHOLESALE TELEVISION (2 lines)

Williams Street Warehouse, Crewe, Cheshire. 0270 582924


SEMNTM55**ladAnto. 'TnoeN6M., \66KeRP5WMO,..66(Ma'niallole,fam6k,'Noft1,1$,o ',6666,At `ovse.NOje.:61,NOotoo.Ktcyy.

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AKs(M).i.k.,\INIftSit(f,1(W),:::),13agaMORW HAOL

FOR GUARANTEED CTV & VIDEO'STRADE SERVICE AVAILABLE

ON ALL MAKES

EXPORT ENQUIRIES WELCOMECOURTEOUS SERVICE

A Link with EuropeRing Norman - Gloria - Paul on new number

021 779 5465021 779 5466

Fax: 021 779 4701* TRADE ONLY SATELLITE ENQUIRIES

ELECTRONICS SERVICESUNIT 18TILE CROSS TRADING ESTATETILE CROSS ROADMARSTON GREENBIRMINGHAM B33 ONWTelephone: 021 779 5734

SatelliteTHE UNDISPUTED PACK KING FOR OVER 20 YEARS, we offer you the very best In Electronic Components and Semiconductors that your money can buy. Look at our lists and prices, they are unbeatable in valueand quantity and you always have our "Satisfaction or money back guarantee". For 1989 we offer more and more Super Value Packs. All goods advertised in stock at time of going to press. This is just a smallpart of our stocks. Send a stamped SAE for our FREE CATALOGUE. PLEASE note our new mail order address: BI-PAK, PO BOX 33, ROYST3N, HERTS SG8 5DH. Telephone 0763 248851.

MISCELLANEOUSPeltNe. 00/04iscrArlem PriceVP17 50 Metres PVC smote strand Wee. mixed colours. C1.00W18 30 Metres PVC multi strand Woe. mixed colours . C1.00VP19 10 Metres PVC singleroulli strand Wire mixed colours t1.00VP21 10 Assorted Switched. slider, push. roller, etc.-- t1.50VP22 4 Sheets Copper Clad Board, roe. 14 . 12cm 01.00VP23 10 40rom track Slider Pots. 1 r t Sr t1.00VP36 100 So ms total Copper Ctad Nue Glass Board. Cl _50VP42 1 Black Heatsinks. fit T03 and 10220. Ontled 01 .000044 1 Assorted Haatsinks. 101/3/5/18,220 £1.02VF54 20 Assorted I C DIL Sodas, 8-40 pin 12.50VP82 Electrono Buzzer 3V 25MA 0.95VP113 Electronic Butter 6V 2586 C0.95VP134 Electronic Buzzer W 25146 0.95VP85 Electronic Burner 17V 251AA CD 95VP87 Telephone Pick-up Coil with 3 Soon jack plug C1.25VP88 Pillow Speaker vat 3 brim lack pug [1 .4500107 Poem Borneo miniature. 12V C1.2500106 Poem Buzcer moreature. 240V CT .25VP114 Coax Antenna Switch, 3 way C4.7500115 High Pass FilterSuppressor. CB/TV [0 .50VP116 Low Pass filter. VHS/TV Band 03.00VP122 Poocelon Morse key, fully adjustable C1.8500144 1001( Lon multi tum Pots, deal vanable cap. lung C1.0000145 1 Assorted Pots, inc dual and stetched ryes CI .C.3VP148 30 Presets, howorrtal and vertical roused values (1 .02W174 5 D1L Sane/led, 1 and ,2 way Ode, 6 way SPST, assorted 0.00VP176 30 Fuses. 20mm and 114' glass. assorted values 0.013W177 1 Pack assorted Hardware nuts bolts. etc 0.6W178 5 Assorted Battery Holders and Clips. PP39, 060. etc L1.00VP223A 6 Tag Boards tO line 0.00VP225 20 DIN Mugs. plastic 2A pin 180240'/360' mood 0 50VP226 20 DIN Chassis Sockets. meta 2-8 pen 18072401360' rood. 0.50VP227 18 DIN In -line Sockets pOstic 2-8 pin 120./240/360 mixed L2.50VP228 10 C15 ComputerCO Cassese Tapes. Wdbss 0.00VP232 Cassette Head Cleaner Demagnetizer, in me......... ... 12.00VP233 Revolving Cassette Rack hobs 32, smoloy person £1.50VP235 VHS Video Flew' Deaner Cassette, wet type 12.50VP236 BETA Video Head Cleaner Cassette. wet type. £2.50W237 Universal NI -Cad Battery Charger, AA-HP11-11P2-PP3 .6.00VP238 AA NeCad Battenes, 1.25V 50OrnAh C/9 MA. C1.00VP239 C-44011 No -Cad Battenes. rechargeable 0.50VP240 C-HP2 NI -Cad Batteries. rechargeaNe £4.00W244 High power Pon Electric Siren. emits earporang warbling sound Ideal

alarms, Mee plaistic body with mounting Nadel. Power 12Vdc1501102. Output 1000b (a) at lm hop. heg. 2 %Hz. See 57 x 12 x 37mm 6.03

VP245 1 Automatic Lighting Swrtch, photo elennc, wealherprool, switched IsOM'at dusk and "OFF" at dawn. Loads up to

;r4=ial 50 . 45 mm LS.00260 19' x 6" fireboat Oohms IOW RMS Speaker Frei; res 60.10000Id

G4ss.. 10030. CEntre liF cone 6.511VP260A 1 2 VI" Transducer Waterproot Speaker Polyester lion diaphragm Moos -

lure resstant. flohms XiSenW RMS FReq re, 20-20000H, 0.00VP273 10 10610 Rotary Potentiometers shoo spindie 61.00VP281 4 Plugm Relays. nuked volts etc .E1.00VP286 2 Etch Reosl PCB Transfer sheets. a 1 symboisli es. plc 0.00VP254 1 250 grams Etchant Granules IFerno'Clilondel makes '2 pot 0.00VP255 1 Etching Pen, etch resistant. spare hp, blue 0.00VP258 1 Muncore Solder. 5th total. 10 and 22SWG [1.00

PYIN. 0013escriptlen Price00470 8 Dual Pots. linear, all &newt values. . C1.009P471 8 Dual Pots. Log, all deferent values. C1.0000472 0 Switched Pots. Linear, all drfferent values C1.00VP473 0 Switched Pots. Log. all different values. £1.0090474 12 Slider Pots, Mobs, blackthrome. push N C1.600475 1 100 Sq. Ins. Double -sided Copper Clad Board.. £1.500047501 2 20 x 15 on, eine Om

Copperdouble-sided Copper Clad £1.50

VP484 1 Pair Lore Socket and Chassis Plug Eugo style 6A 240Vax. £1.00W485 1 Scot Pfug, 21 way Ewa Video Plug L1.11000486 1 2 x 23way Edge Connector and matching PC Board, blanked at pin 3 as

for 2681. etc. 0.00VP519 1 4' Round Dome Tweeter, Bosons 50w RMS 200120000 Ho Do

913mm. depth 32frorn. Made onto 6 plastic front, mesh centre C550VP520 1 Unidorechonal Dynamo Microphone. high cop . 5014 ohms C6.5050521 1 Urn-directonal Dynamo Morophone low imp 500 ohms resonse 80-

1200 Ho sens 77db al 1KFU All 210510 body Mack metal meen headdie 53mm 05011 swath Wider roc C5.50

DIODES 8. SCRS.0029 30 Assorted volt Zeners, 253mw-2wVP30 10 Assorted 006 Zeners, lOw. coded.VP31 10 SA SCRS. 0066, 50-4009. coded.VP32 20 3A SCR's. 5066. up to 400v, uncoded9033 100 Silicon Diodes like 104148VP34 200 Silicon Diodes eke 0020343A613-16. 40vVP35 50 IA IN4000 Diodes all good, encoded1/049 30 Assoned Silicon Rectifiers. 1A-100. mixed rotsVP141 40 044002 lid Recfifors. IA 100/. preformed pitch..90142 4 40A Power Rectifiers, silicon, 1048, 300 PIP00149 5 130187 1214V Silicon Diodes. m earners. 2.5016VP184 3 4A 400v Tnacs. plasticVP187 10 SCR s BOOMA. 200v. 265064. plastic 1092V0194 50 0691 poem contact germanium Diodes. mindedVP195 50 0047 gold bonded germanium Diodes. woodedI/P196 50 0670.79 detector germanium DiodesVP197 50 DA90 type germanium Don1e. unceded..VP196 40 BA248 Dole. 3500. 2A. last recoveryVP222 20 3A dud Rectrhers. 50-400v. assortedVP262 10 811127 501,00 Rectifiers, 1.2Ann, 1200,VP263 5 Bodge Rectifiers. 2Arnp, 50v. MOM, plastic9P264 4 3Arnp 400v Bodge Rectifiers.90265 25 0010 germanium DiodesVP274 12 SCRs (Thynstors) lAmp, 100-4000, 70391/0275 3 5Amp 4000 SCR's, 10220. TICI060....90276 5 SCRs standard type, 5-16Amp to OM

902713 4 6Amp 1000v plasfic senor, Rectifiers00283 5 Doc BRIM Tmac trigger9P460 1 Tnac 6A 600v. isolated case 002209P460A I Ton 10A 500v. isolated case T022000482 50 Assorted IN4001-1100007 IA 50-10 Ma Diodes. coded90483 50 Assorted 1115400-10540B 3A 50-1000/ Diodes. coded

VOLTAGE REGULATORSPos. 1 Amp 780512-15-1524 35p eachNag. 1 Amp 7905-12.15-18-24 461p eachPos IOWA 78035-12-15-18-24 28p eacha100m4 79L05- 1 -1 18-24

AA MIMI "ELECTRONICS STUDENT' RANGE OF MINI HIGHNI RS. ORDP-FOR6E0 CARBON STEEL HARDENED AND

30p each

PERE WTIH SPRUNG JAWS AND HEAVY INSULATED SOFT GRIP AMBER PVCHANDLES. MO SERIES

0.00L1.00C1.110

.0007.000.00£1.50C1.01C1.000.0001.00C1.000.60.00C1.000.00CI 011L1.000.03C1.00Oro0.00n yoC1.00(1.00(1.000.00£1.00C1 00C1 00C1 25£2 00CI 00

B Send your orders to 131-PAK DEPT TV. PO BOX 33. ROYSTON. HERTSTBEARRMCSL C, CA SA HR DVI, IGT IHR DORDER.

388

7006P E SR SA 0,0 NE ADLA Cy HDEEOSUPEA. ACCESS AND

TEL. 0763 218851. ADD 01.50 POP PER ORDER AND 15',. VAT,

1140 C/Plirde Cutler1/P541 Or End Cutter.

90542 5' Long Nose PerVP543 5' Long Nose Pier90544 5' Bent Nose Nei

VP93

W97VP99VP103VP139VP21790210VP219VP221W246

VP247

00248

VP248A

90249

VP249A

W256

VP259

18405W406VP407W400W409

W4109041190412904139041490415VP416VP417VP417A50416W4199042050421VP42210423

00424VP7250,126VP127

Pdee0.50L2.500.51112.5012.02

Miniature Anvil for model makers and Jewelers F2.05Miniature Steel Vice, bench fixings An width 50mm 6.511Plastic Miniature Vice, with suchon base ...Logic Probeester. supply 1 5,10v. DTL, TTL, CMOS. 0.50Unwersal Tesler with ceramic bumf .................. 05.026 pc STANLEY ScrewOnver Set, flat and crosspoint ... 0.511Pick-up Toot spring loaded. 0.75Helping Hand t1.02Wakhroakers Screwdriver Set. 6 pieces. .0.75Miniature Sloe Cutters 0.56Miniature Long -nose Pliers 0.56

1 .7m25w

ndHigh Oualdy Low Cost Soldwing km. 2404 AC. long tile elemente 63.50

15* lend High Quality Low Cost Soldering hon. 240v AG.1.7m lean 0.50High Suctionng Desoidering Pump. Teem nman, auto eject. Heavy dury

nnum spnAntostalic High Suction Desoldering Pump. Auto eject. metal

£4.001

antistatic noble 0.50High Duality Solderng Iron Stand, case km base with clearing sponw

Very stable unit C4.00low Cost Soldering Imo Stand, to take normal irons comp win

cleaning sponge and metal base F2.75PCB Mini DnI1 Op Voltage 5-14v OG. incl. 1mm Mist dril extra collet

fir 8-1 2mrn dolls and to my bars L6.01)Pat Holder Fully edentate. hoer 0-320nen wide and to any angle.

comp. *Allmon stand and sponge. Strong mete constmcbon with rubberbet. Very Hon Ornery 06.00Steel Rules 1 . 4', 1 x 10". measunng ins and nun 0.00Junor Hacksaw and 3 blades + Hobby Knde and 2 blades Cl 0010pc Needle he Set £3004pc Stainless Steel Tweezer Set C4.00Set of 4 Mn low coo Sole 8 End Cutters &tope 8 Combination Pliers

5' red Insulated hanhdes C4.5018 pc Hew Wrench Key's AC sues in wallel n.5016 pc Hex Key Wrench Set. SAE and Metnc [2.00Compong Mors, Wire Stoppers and Bolt Cones 02.00IC Extraction Tools. jaw oondth 18 and 29mm E2.00End Action Sopping RIMS. adjustable mvs C1.005" Grip Loclung Piers ... .. L3.006' Long Nose Gnp Locking Pliers 0.006" Adjustable Wrench Forged alloy steel 0.50Miniature 4' Adjustable Wrench Forged alloy steel 12.25e- TC Snips Hardened steel. spnng joint ....... 12.00"Chubby" Screwdrivers. crosspoom No 1 and 2 0.50"Chubby Screwdrivers tat blade 4 5 and Wen. [1.51)Screw:lover 400rorn Ong. 6mrn flat blade. extra long MO 0.00Screvnlover 400rom long. No 2 ccosspoint, extra long real) (3.011Vernier Calmer-Crosshoms. Depth gauge. Vemier Cap 412- 110rorn

. 50Helping Hand with Magnifier 0.507 pc Hon Cluality Screwdriver Set 10.007 pc High Quality Screwdriver Set. 1920 (12.506 pc Cushion Grip Screwdriver Set. chrome steel 04.00

BARCLAYCARD

REMEMBER YOU MUST ADD CI 50 P&PAND 15'. VAT TO TOTAL ORDER


VIDEO "REFURB" KITSPANASONIC NV333HITACHI vii 1

F/F Rewind 2.75Belt Kit 2.951Pinch Roller 4951

FERGUSON 3V29 FERGUSON 3V35VXP0433 Idler 4.95VXP0401 Idler 0.95Belt Kit 2.95Pinch Roller 4.95

Take Up Idler 1.85Reel Idler 2.75Take Up Clutch 2.75Belt Kit 1.95Pinch Roller 4.95

Take Up Idler 1.85Reel Idler 3.75Take Up Clutch 2.80Belt Kit 1.75Pinch Roller 4.95

Total 11:80.Total 1460 Total 1065.Total 1495

KIT 1 £11.50 KIT 2 £11.85 KIT 3 £8.50 KIT 4 £11.50

SANYO 5000Reel Dr ve 6.95Reel Motor 7.95Belt Kit 0.95

PANASONIC NV7000 IDLER KITPANASONIC NV2000VXP0343 4.95VXP0344 0.95Belt Kit 1.95Pinch Roller 4.95

2 x VT11 Hitachi 5.502 x 0005 Sharp 5.602 x 0006 Sharp 7.00

VXP0329 IDLER 0.95VXP0331 IDLER 0.95Belt Kit 2.25Pinch Roller 4.95

Total 1940- Total 1280. Total 1840-Total -B45.

KIT 5 £7.95 KIT 6 £9.95 KIT 7 £13.50 KIT 8 £14.50

Prices shown are TRADEWe do NOT supply retail.

Trade Counter openMonday - Friday 10am - 1pm

2pm - 6pmOrders from bona -fide engineers only

Add 50p P&P + 15% VAT. C.W.O. only V.A.T.

IRWINUNIT

BURTON

Telephone

Reg. No.

200,RD.,

127 2207

ELECTRONICSJ.C.

Sheffield

C1

SHEFFIELDALBYN

(0742)

COMPLEX,S3

739622

8BX.

(Est. 1973)

VIDEO HEADS VIDEO MOTORS REMOTE CONTROLS

MISTRAL (Thorn)

# Mistra atectr

toail

atip Alli iia 8

, :IS 714'av,

0 IIII°

.

.

0

8.0

TX9-10-90-100 CHASSIS(State MODEL for exact

replacement)

ALL TYPES £12.95 each

MSTRA i ViL771c10151 FERGUSON4500/5200 27.504600/4700 27.507000 21009000 23.75

NV366 39.50NV430/60 23.50NV730 39/5

3V35 Capstan 26.00 each

NV777 32.95 HITACHIVT11 Capstan 23.75 each

FERGUSONSANYO3V00-22PCB 14.95

3V23-39PIN 14.95 PHILIPS 5000 Reel 7.95 each

VR6420/60 21.50VR6462/4 3100 SHARPFISHER

Gezz 1008 Reel 17.95 eachFVH P420-910 24.00

HINARI AISH 0 HOUSING ASSEMBLIESVR705/805/905 24.00

FERGUSON3V35/39 27.95 each3V42 27.95 each

HITACHI8000/9700 22.50VT11/33 22.50VT17/1936.75 Ezi:M:1;j

VC200/300 381/384/5/6/7 571/581/2/3/4 LAMPS & SENSORS

* RION 600/651/682 684/700

9300/9700 22.50 Ferguson 3V00-29(includes socket) 2.95 Pack of 5Panasonic 0.95 eachSharp (0005) 0.95 each

24.00

PANASONICNV333/20007000/8200 14.95NV270/370 21.50

0.174 Sharp (0008) 1.95 each

C5/6/7 19.50 Hitachi VT64 End Sensors 1.45 Per Pair


TODD TRADINGNEW WAREHOUSE OPEN!

HIGH QUALITY TELEVISIONS & VCR'sSpecialists in 'ready to retail' televisions and VCRs (packed with handbook and patch lead).

Mostly Ferguson but all models stocked.NEW `13' GRADED EQUIPMENT AVAILABLE.

ITEMS USUALLY IN STOCK

Ferguson Non Text, Text and Stereo, Text & New F.S.T. B Grade. Ferguson, JVC, Sharp, Hitachi, Sony,etc., etc. V.C.R.s working: Ferguson 3V29/30 V.C.R.s ready for retail in fives £75 + VAT. FergusonCompact Disc Units, A Grade and B Grade, from £40 + VAT. Sony C9 Beta in top condition, back to spec,plenty in stock. Ferguson V.C.R.s for spares: 3V16/3V22/3V23/3V24/3V29/3V31/3V35/3V43/3V45/3V55.

NATIONWIDE DELIVERY EVEN ON SMALL ITEMS - MIN OF 5 UNITS PHONE FOR DETAILS

TODD TRADINGUNIT 16

STONE BUSINESS PARKSTONE STAFFS

SITUATED APPROX 3 MILES FROM JUNC. 14, M6

0785 43447 Fax0785 48202 0785 223137

OPEN 6 DAYS A WEEK, CALLERS BY APPOINTMENT PREFERRED

TV LINE OUTPUT TRANSFORMERSPRICES INCLUDE VAT & CARRIAGE

VIDEO HEADS, TRANSISTORS, IC's, ALSO STOCKED.

BAIRD: 8290, 8752, 8773, 8180 12.00 ITT: VC200 to VC402 920CVC1, CVC2 (FORGESTONE) 11.50

RANK BUSH MURPHY CVC5, CVC7, CVC8, CVC9, CVC20 10.35

A774 with stick rectifier 9.78 CVC25, CVC30, CVC32, CVC45 9204816, T16, 718, Z712, Z715 10.35 CVC800, 1100, 1150, CVC40 P.OA120, T22, T26, Z179, A823 11.50 CVC1200, 1204, 1210, 1215, 2600 P.OA.

2718 Basic unit 13.50PYE: 169, 173, 569, 368 920

DECCA: 1210, 1211, 1511 11.50 CT200, CT200/1, CT213 10.35

1700, 2001, 2020, 2401, 2404 920 725-731, 735, 737, 741 9.78

CS1730, 1733, 1830, 1835 920 PHILIPS: 170, 210, 300 92030, 70, 80, 90, 100 920 320 series 9.78120, 130, 140, 160 P.OA TX, T8, TX2, TX3 mono P.OA

FERGUSON, THORN: 1590, 1591 920G8 and G9 Series 920KT2. KT3. series 920

1690, 1691. built in rect. 9.78 CTX G11. K30. K4. K40. split diode P.O.A.1600, 1615, 1700, 1790 P.OA. NC3 P.OA.3000, 3500, 8000, 8500, 8800 P.OA.

K12, CFI, 2A, 28, 3A,

REDIFUSION Mkl to 5 P.OA.9000, 9200, 9300 series 12.00

9500, 9603, 9650 series 12.00 DORIC Mk3, Mkl 11.50

TX9, TX10,TX90, TX100, TXP5 P.OA. SONY IN 1400, 1612, 2000 P.OA

MOVIESTAR 3781, 3787, 8180 12.00 GRUNDIG: most models in stock

TX10 focus unit 10.87NORDMENDE: 8290, Z206, Z306 P.OA.SANYO: 5101, 5103, 7118, 7130 P.OA.

RDELRY: FTV12 mono 10.35 SHARP: C1851H, C2051H, 1405 P.OA.

7X2000 ZX3000 14", 16", 20" 16.43 HINARI: CT4, CT5 P.OA.

D(3000 22" 2728 TANDBURG: 190, CTV2, CTV3 P.O.A.

TELEFUNKEN: most models in stockG.E.C. 2047 to 3135 mono 920 HITACHI: 1471, CPB260, 2501 P.OA.1201H, 1501H, 2114, 3133, 3135 920 SAISHO MATSUI SENTRA P.OA.DUAL & SINGLE hybrid col. 10.00

SINGLE STD solid state 12.00 Delivery by return of post.

SINGLE STD split diode P.OA. Tidman Mail Order Ltd.,INDESIT: 24EGB, 12LGB, 12SGB 10.35 236 Sandycombe Road,

Richmond, Surrey TW9 2EQ.WINDINGSTYNE: main winding 6.80 Approx. 1 mile from Kew Bridge.

RBM: [20, T22, 126, Z179 6.33 Phone: 01-948 3702WALTHAM: W125 eht winding 2.37 Mon -Fri 9 am to 12.30 pm &KORTING: hybrid winding 6.90 1.30-4.30 pm

THORN: 8000, 8500, 8800 eht 6.70 Sat 10 am to 12 noon.

TELEVISIONS - VIDEOS - TELEVISIONS

IEW-TELCO DURHAM

A NEW NAME IN

TRADE SURPLUS TVsLarge selection mainly

THORN - GRANADA STOCK

Discount ten or over

ALL SIZES AVAILABLEThousands in stock. Good quality.

Fresh stock every week.

Portables, Teletext, VHS Videos, STD 20", 22", 26"

Complete loads at discount prices

All stock collected from source by our transport andhandled with care.

ET VIEW-TEL TELEVISIONS(0388) SWAN STREET, EVENWOOD,832832 Nr. BISHOP AUCKLAND, CO. DURHAM.


DON'T BE DISAPPOINTED:DON'T SETTLE FOR LESS:

HUGE STOCKSWorking & Genuine Untested

TV's & VCR's

YOU'LL HAVE TO SEE US TO BELIEVE US

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HEAD OFFICE, MANCHESTER a95 IANGWORTHY RD, lili SALFORD, `81 061-736 6333 II

11. MANCHESTER `71 061-745 8048 mII M6 5PH IN

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WE HAVE ESTABLISHED OURSELVES AS ONE OF THE LARGESTINDEPENDENT WHOLESALERS IN THE COUNTRY, WHO PLACEPERSONAL SERVICE HIGH AMONGST OUR PRIORITIES.

-101111

* FOR SPARES OR REPAIR VCRs FROM £20 - ALL PRICESSUBJECT TO VAT & QUANTITY *

Working 9000 £16 Working TX9 £30 Working Text £65 Working 3V30 £75

Working 9200 £20 Working KT3 £30 Working G11 Text £50 Working 3V23 £70

Working 99/9600 £25 Working KT35 £35 Working KT3 Text £65 Working 8940 £75

GEC Starline £25 Philips G11 £20 Working Stereo Text ... £90 Working 3V31 etc. from £85

STOKE-ON-TRENT

ROUNDABOUT

WE ARE HERE1 MILE FROMJUNCTION 15

ELECTRICVISION

29 LONSDALE ST,STOKE

ST4 4DT


DISPLAY

Comethecathodeauthorities,sities,

* Do you usecathode raytubes?

* Can't find areplacement orshocked by the

LTD.cost?

* It may well bethat a rebuilt tubewill solve yourproblem.

most experienced firms inWe have been rebuilding

for industry, broadcastingairlines, M.O.D. univer-

the TV trade in generalthe '60's.

,. .

ELECTRONICS,

to one of thebusiness.

ray tubesmajor

and, of course,since

WHY NOT TELEPHONEUXBRIDGE (0895) 55800

TO DISCUSS YOURREQUIREMENTS. DAVE

DYSON WILL HELP YOU WITHDOMESTIC TV TUBES. TERRY

SMITH DEALS WITHCOMMERCIAL/

PROFESSIONALTYPES.

We are currently redeveloping our factory andhave temporarily transferred production facili-ties to a factory unit in nearby Iver (Bucks). Wehave made arrangements for the Uxbridge55800 telephone to be rerouted to the Iverfactory at the exchange, but if you should wishto dial directly, the Iver number is (0753)630137. During the temporary period of relo-cation we shall maintain goods handling facili-ties at Uxbridge. It would be appreciated ifintending visitors telephone us first to be surethat technical staff are available at Uxbridge ifrequired. We greatly appreciate the confi-dence placed in us by our customers whichhas enabled our business to grow and lookforward to being of continued service in thefuture.

DISPLAY ELECTRONICS LTD.SWAN WHARF,

WATERLOO ROAD,UXBRIDGE, MIDDLESEX.

VHS VIDEOSFERGUSON

3V00, 3V22, 3V23, 3V16, 3V29,3V30, 3V31, 3V32, 3V35

HITACHI5000, 8000

NATIONAL PANASONICNV8600, 8610, 2000, 7000,

370, 333, 2010

SHARP620, 630, 640, 2300 H T/P

Untested from £70

BETAMAX VIDEOSSANYO VTC 9300, 5300

SONY C5, C6, C7Untested from £25

HITACHI VHS TUNER/TIMER £10,HITACHI VHS BATTERY CHARGER

£10, ROBERTS VHF RADIOS £5VHS/Beta tapes used -

from 40p eachSorry must collect as we do not send

through the post.

PLUS

17" 18" 20" 22" 26" Hybrid/Solid State from £8. Also availableCTVs Remote Control & TeletextAll prices subject to 15% VAT

Discount for QuantitiesComplete loads delivered from pick up point

JOHN CARTER(Electrical) LTD

FURNACE ROAD,GALLOWS INN,

ILKESTON

Phone: 0602 303124370 TELEVISION MARCH 1989

AN103

AN127009203AN210692116AN21713

AN228WAN236AN240PAN241PAN259AN260P0N262

C1.9512.29F2.2021.75

12.30122012.9011.50£1.5011.5012.75azr1.69

AN6610AN66760N6677AN6780AN6811AN6873696875096884AN7105AN7106K697110AN7111AN7112EAN7114E

11.9517.5016.3012.3011.60C4.5023.5022.75

C2.54C2.9511.5011.5012.9512.50

BA 1320BA1330061360BA5102ABA5204BA5402A565406BA5408

BA6104BA6124BA6208BA6209BA630450342

£1.2501.75£1.8002.75C2.7512.7513.2022.75

fin(2.5982.9513.7512.2015.00

HA1 [749HA11750NA11753

9511258H611768

14611788

FM11816HA11828951200114612002

HA12035FM120386012402

C1.75

05.0003.5028.50£4.50

£1.5018.5019.50C8.5022.9509.50

118.7512.95

LA4440LA4445LA44601.64461LM500LA4505LA45071.64508LA4520LA4570LA5112LA5527LA632411053513S

£2.7501.75£1.00

11.80C2.50121014.2512.8512.50£3.7511.85C1.950.5011.20

516060STK082STK084STK430STK431STK433STK435514436STX43751K439STK441STK443STK457S1K459

07.50L7.75C7.110

0.50£5.95£5.2505.50£5.2513.511C5.9522.05C7.9516.5008.75

51144011S1R6020TA7063PTA7066P167073APTA7074P167122AP1671361]167140PTA7165P1A7143P1A72956PTA7207PTA7208P

loss£175£1.5911.58f2.75£1.11511.99£1.00C1.75£2.59£4.00£1.00£1.75£1.75

ruAzoi,ATDA205TDA51363540MA 351MA3560TDA35616

TD63562A136365113636521064420T0A450010A4600 2

11.4:13.81t5.29cum1104114.58C4.95

£1.0022.7013.301315£315/2.95

T.POWELL653A

16 PADDINGTON GREEN.LONDON W2 1LGTel: 01-723 9246

VIDEO HEADSJVC/FERGUSON 3HSSPANASONIC 4HSS

£16.00r16.00

AN264692716

03.822.50

AN7115EAN7116

21 .60C1.50

1161124AHA112405

12.7513.50

HA1241314613001

12.7512.95

LA6458DLA7016

11.2002.75

STK461STK463

2780£5.10

1A72176P1A7220PTA7222AP

£1.8012.50£1.30

1064600 201007270

12.9522.1.0 HITACHI VT11/14/33 C21.00

HITACHI VT500005274 22.75 AN7120

AN713001.5021.30

HA1125HA1137W

£1.75

£1.7514613007HA13402

14.9514.95

LA7031LA7032

12.75E4.50

STK465STK501

18.50£6.25 TA7223P 02.30

UPC575CUPC1001H

El MO£2.20

£22.00HITACHI VT8000/9000 £21.00

AN277 02.50 AN7131 12.75 861144 £4.25 14613432 04.50 LA7215 C2.75 STK0025 14.95 TA7225P 0.20 uPC1118C 11.95 HITACHI VT7/17/19 E31.00AN295AN301

E3.6003.50

AN7140AN7143

12.2022.95

1461151HA1156W

12.5001.20

LA1111LA1130

03.9512.75

L67224LA7505

12.9512.95

5140029S160039

14.7524.75

1A7227P187229P

12.2013.25 UPC1C25H

0PC1031612"33C1.95

SHARP Most models not 6300/7300 £22.00

AN302 03.30 694714551 12.50 661167 13.75 LA1140 12.20 LA7507 12.95 S1K0040 £6.25 1672301] [1.115 LIPC1432H 11.90 SANYO V105003 C36.00

AN303 12.75 AN7146M 02.80 1461196 £1.75 LA1222 01.00 LA7520 13.25 STK0049 06.50 167M21] £2.95 UPC1 58H CO 95 AMSTRAD/SAISHO £22.00

AN305AN313U

£3.50

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12.9511.90

661197HA1199

13.70L1.85

LA1230LA1231

£1.50C2.00

LA7521LA7751

£4.5014.75

STK0059STK006011

07.00C9.50

167233PTA7240AP

12.9512.95

0P011191UPC1' 82H

Ll 10Ll 10

SONY DSR36TOSHIBA 9600

£20.00£23.00

AN315 £2.30 47171569 12.50 461319 02.50 LA1240 £1.95 LA7755 13.20 STK0080 27.75 T67241AP 22.95 UP011856 12.50

AN316AN318VIDEOAN337

£3.15

C4'95cs.zs

AN71586697160AN7161AN7166

C3.25C3.75£3.75

f.3.95

(461366WHA1366WRHA1367861368

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LA12601.61353LA1365L81368

12.9512.5011.5012.50

LA7800LA7801LA7806LA7808

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05.5012.7512.7512 95

UFC1188H0PC1225HupC1230HuPC1263C

M. 75M. 7512.5012.50

SPARESJVC Idler P1147752 £4.95

AN340P L1.50 AN7168 U.75 HA1368R 11.95 LA1385 f1.95 LA7820 12/75 ST1(203811 f9.50 1672731]03.20 UP012776 22.25 JVC Pinch Roller £2.95

AN360 £1.30 AN7178 f2.95 HA1370 f 3 .70 LA1387 C3.80 LA7910 12.20 STK2125 (5.75 TA7274P C2.115 UPC1278H 22.75 HITACHI Idler VT11-14-17 £1.75AN362L f1.50 AN7213 11.115 1461372 13.511 LA1460 12.50 LA7920 E1.75 STK2129 15.75 TA7280P £3.51 UPC1363C £2.75 HITACHI Idler Play VT8000 £2.75AN3636 C3.50 AN7218 01.75 1461374 12.50 LA1464 13.20 LB1405 12.20 STV2230 £6.50 167281P

1672824P11.M£2.45

UPC1364C £'16 HITACHI VT8000 Idler F/F/R 994' £1.8509366PAN374P

11.71)02.20

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12.213

113.95

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S162240S1K2250

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19.50 16728361] 12.95UPC1365CUPC1384C

01.60£350 HITACHI VT9000 PI Idler £2.95ay

AN377 02.00 AN7224 13.50 FM1388 13.50 LA3160 11.50 LC7130 £3.50 STK3041 £6.50 TA7288P 12.95 DPC1387C 2.50 HITACHI Pinch Roller 8000/9000 £2.95

AN610PAN612095010641515141195265

£1.80

C1.8014.7506.50£3.20

AN7256AN7273647310697311687410

03.50C3.95C1.20£1.200.00

661389HA13891386139214613941461396

12.20M.R112.5012.9513.75

LA3201LA3210LA32201.43300103301

10.9500.7522.9511.6511.30

LC7131LC7132LC71361C7137LC7800

C3.75£4.00C3.75£4.5013.95

STK30425143044S1K3062111S1K4026STK4060

t6.590.9501£6.7515.7516.50

167299P1673171]1673281]

767343AP11173543P

f2.95U.7512.28C2.15f 2.SO

UPC1391HUPC1394CUPC2002IJRCA558£8c630

01 .50

9500.80£1.950190ED.22

SHARP Play IdlerJVC Drum Motor £22.50SANYO Capstan Motor £29.50SANYO Reel Motor 05.00

AN5410 13.50 AN7415 22.95 1461397 12.75 1.63310 12.75 M5134P 13.25 S1X413111 00.75 1.67607AP 82.95 BC640 E0.22 SANYO Reel Drive Pulley £5.00

AN5411 0.50 AN7420 03.25 1461398 02.75 LA3350 C1.30 M5155P 01.85 5144141I 1 07.50 1676080P 13.95 BFR90 10.70 SANYO Pinch Roller 5000/5300 £5.95

AN5430 02.95 81301 00.80 HA1457W 12.75 LA3361 £1.20 14511021 03.95 S14415111 17.50 T676000 1210 13F1191

£1.24SANYO Pinch Roller 9300 £4.95

095510095512

02.7512.95

BA31180313

£0.95

10.8011A11215W14611219

C4.3503.25

LA3370LA4030P

12.8012.00

M511041 0.95M5151311

S164332S1K4352

05.7519.50

167613AP167628P

12.7512.95

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/5911.50

SONY Capstan Motor 1100 £28.75

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0415701 11.80 BA328 £2.50 4611225 01.95 LA4100 11.20 M5151681 02.80 STK4833 (9.50 7091065P £4.95 13412088 01.20 ENQUIRIES OTHER ITEMSAN5722 C1.60 BA333 11.50 H011226 C4.50 LA4101 11.90 M515171 12.80 51X4843 121.95 1062105P 0360 BU208D 01.80

AN5730AN5732

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03.6012.50

66112354611251

02.3017.75

LA4102L744110

C1.40C1.75

M515181M515211

12.20£1.911

STK5211S1X5315

16.7506.75

1061010613610116

12.2512.50

B03266505130

£1.95Ll .M UNIVERSAL TRIPLERS f5.54

AN5750 03.75 BA343 £2.75 14611401 12.80 LA4112 E1.75 1453705 £1.00 S105324 05.75 13610746 02.75 BU508A £1.80.

AN5753 C1.45 BA402 (0.95 HA11423 14.75 LA4120 12.95 £1.50 S165325 16.25 1361151 11.29 293055 03.50 CASSETTE MOTORSAN6250 12.30 BA403 C1.95 6611440 113.95 LA4125 12.20 1483713 £1.60 S145421 1650 MA11708 0.50 2413773 £1.51 6-9-12-13.2 Volts C.W. £3.45AN63269 03.70 BA511A 01.85 14611701 13.54 LA4126 82.60 0083714 22.95 S1115451 18.75 MA11706 11.58 256733 sip 12-13.2 Volts C.C.W. £3.45AN6327AN6328

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BA5140A.51 6

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14.5005.20

LA4137LA4140

£1.950190

1483722M53730

13.5012.50

51115471S1115476

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MA151010A1515

14.50C4.50

25611042561106

125022.25

AN6330 22.95 BA521 0100 14611705 £5.95 LA4145 01.79 M83731 13.50 STK5720 28.80 68615158 14.50 258536 20,% CASSETTE HEADS

AN6340 17.85 BA524 22.75 (4611706 14.75 LA4160 OAS 14E13756 12.60 STK5730 £425 MAI900A £1.75 250546A am Mono £1.50 Auto Rev £2.75A863418 04.00 BA526 03.50 14611710 13.75 LA4170 03.50 14133759 02.30 STK7216 15.50 _13620112 £0.50 250461 13.35 Stereo £2.50

AN6342NAN6344

02.50£4.75

BA52756532

01.75(1.60

14611711HA11713

09.50£1.50

LA4178LA4182

02.5002.20

1488719

STK01113.8503.95

STK7308STK7404

05951695

.....W41362004

9.9512.20

25013642$C1942

£0.51£215 EnquInes invited for any Japanese ICs As we have imported

AN6350 07.50 BA536 02.50 HA11714 05.95 LA4183 22.95 STK014 07.25 ST6250 C8.95 TD,..,..R2005_ U.75 2501969 £1.75 !or over 10 years

AN63565 0.85 86546 12.20 14611716 £4.75 LA4192 £1.95 STK015 £5.20 S10825011 110.75 .....W.4.0), E1.50 2302166 01.00 ITEMS DESPATCHED WITHIN 48 HOURS

01463579AN6360

14.95C4.54

6654786612

02.50£1.110

HA1171714611718

£5.75£4.75

1.44201LA4220

£1.8101.50

S1K016STK020

05.25£5.75

S19380STR440

C5.110

05.80,.,",,,,,,R TI.S0

£1.9923025802502581

12.75C2.95

Please add 60p post and packing and then add 15% VAT to total

AN6362 15.50 8/16316 05.75 HA11724 £9.25 LA4230 f 2.25 STK025 17.50 ST8441 15.80,...,....m...,

,1186.,..1, 912.75 2603156 11.50 Callers by appantment

AN6363 £0.50 00656 04.50 14611727 09.54 LA4420 £1.75 STK043 C10.50 STR451 15.80 1..4.1 2260 2$1)4016 E1.50 opening Tames 10am-5pm. Mon -Fn. 9-11 Sato

AN6371 14.25 BA843 £4.50 6611745 £9.80 LA4422 C1.75 STK077 01.50 STR2012 16.75 10626116 11.35 2501398 22.50

VISA/ACCESS ACCEPTED MIN. TELEPHONE ORDER 05.00AN6387 15.95 0013101 01 .75 4611747 19.50 LA4430 01.50 ST0078 16.75 STR4090 £6.75 MA26538 23 .80 2501453 E1.85

CENTREVISIONSLOPER ROAD, LECKWITH, CARDIFF. Exit 33 off M4

SOUTH WALES' LARGEST ANDBEST WHOLESALER WITH

20 YEARS' EXPERIENCE

INCREASE YOUR PROFITS!PHONE: 0222 344754EX -RENTAL TV's & VIDEOS

TVBESNew and rebuilt for most makes of T.V.including: Hitachi, Panasonic, Philips, Thorn,

Toshiba, Sharp, Sony Mullard 20AX, 30AX etc.Thorn New Life now in stock

Two year guarantee with a four year option.Cash or credit allowed for certain types of In -line glass.

Price list available on request.

EXPRESS T.V. SUPPLIESThe Mill, Mill Lane,Rugeley, Staffs.

08894-77600

(9.00-6.00 Mon -Sat)

Bristol

0454-316285

(After 4pm)

TV RENTALFINANCE

for the independentdealer

on new or reconditionedTV Receivers,

Video Cassette Recordersand Satellite

Reception Equipment.

For details and quotations contact

LBBROUGHFAME LTDColonnade House, High Street,Worthing, Sussex, BNII1NZTel. (0903) 820968


ZonePort TV & VIDEO WAREHOUSEONE OF SOUTHERN ENGLAND'S FOREMOST TRADE SUPPLIERSWe are one of the South's leading Trade suppliers of top quality ex -rental TV and Videos. A good range held inPhilips, JVC, Sony, Toshiba, Hitachi and National Panasonic colour TVs including portables, teletext and remote

control models.

NOW IN STOCKEX -GRANADA

MODELSFINLANDIA REDIFFUSION

Mk 3, 4 & 4ABASIC, REMOTE &

TELETEXT VERSIONS

CUSTOMER READY STOCKWe specialise in supplying working stock that has been profes-sionally refurbished to a high standard. Our engineers payspecial attention to the cosmetics as well as the electronics, socome to us for competitively priced stock that is genuinely ready

for your showroom and your customers.

RING OUR HOT LINES NOW! SPECIAL OFFERREDIFFUSION TRANSLATOR

NO. 847038£3.99 plus £3 P&P inc. VAT

BRIGHTONCUSTOMERSCONTACT SIMON HEALY

e (0273) 571672

ZONEPORTUNIT N2, LONDON ROAD TRADING ESTATE,

SITTINGBOURNE, KENT

CONTACT BRIAN MOLLETT

EAST GRINSTEADCUSTOMERS

CONTACT DAVID FARR

ET (0795) 28166 ea (0403) 732966

WEST MIDLAND TV & VIDEO WHOLESALERS NOW OPEN IN WALSALL

OVER 3000 TV's & VIDEO's IN STOCK AT UNBEATABLE PRICES - HURRY NOW.HUGE STOCKS WORKING & GENUINE UNTESTED TV's & VIDEO's LOTS OF SPECIAL OPENING OFFERS WHILST STOCKS LAST

CTV'sWorking Non -Working

VIDEO'sWorking Non -Working

PHILIPS G11 £20 £12 FERGUSON 3V29 £75 £65BUSH T20 £20 £12 JVC 7200 £75 £65TX9 £35 £25 PANASONIC £75 £65G11 TEXT £50 £30 SHARP £80 £70TX TEXT £65 £55 MECHANICAL £45 £35STEREO TEXT £90 £80 3V31/3V35 £95 £75

BLOCKS OF 10 SETS FROM £40

TEST YOUR OWN SETS

TRADE SHOWROOMLARGE QUANTITY OF READY TO

SELL VIDEO's & TV's.CALL IN - YOU WILL BE DELIGHTED.

OPEN: MONDAY -SATURDAY 9 A.M. -

DELIVERY CAN

NEW INFRA RED HAND SETS FROM £10VHS VIDEO HEADS FROM £15

2 MINUTES FROM JUNCTION 9 - M6

WAREHOUSE IN PASSAGEOFF LITTLE LONDON

CALDMORE, WALSALLTEL. 0922 724542

7 P.M. SUNDAY 10 A.M. -2 P.M.

BE ARRANGED

ALL PRICES SUBJECT TO V.A.T. AND QUANTITY


SALE SALE SALEH H

GUE ? To v HUSSAIN y ? g3D OP A 0 a

V s

v

I

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AS

AL CT CENTRAL ; -Ad AASei 1

S

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EI T.J. LTD 3 3 j 3 L

STARVED OF V.C.R. STOCK???THEN SEE US NOW!!!

PRESTON0772 312101

3V29 - £65 WORKINGI.R. V.C.R. - FROM £70

LEEDS0532 422774

9K - £12 WORKING FROM

BIRMINGHAM021-622 1517021-622 1023

TX BASIC (8311) - £25TX TEXT -

TX STEREO - £85CHEPSTOW0291 271000

G11 - £15 WORKING F.S.T.'s AVAILABLE

SOUTHAMPTON 3V31/3V35 - £90 WORKING LONDON0703 777254 01-961 5005

**** STOP PRESS ****3V43 - 3V483V53 - 3V59

* * * * * * * * * * * * * * *

MOST MAKES OF EX -THORN & EX -GRANADARING NEAREST BRANCH FOR FULL DETAILS:HEAD OFFICE - 48/52 PERSHORE STREET, BIRMINGHAM (CITY CENTRE)LONDON - ROYAL LONDON ESTATE, NORTH ACTON ROADPRESTON - UNIT 439, WALTON SUMMIT (M6, JUNCTION 29)LEEDS - UNIT 2, COPLEY HILL ESTATE, WHITEHALL ROADSOUTHAMPTON- 500 MILLBROOK ROADCHEPSTOW - BULLWARK INDUSTRIAL ESTATENote: Above prices subject to VAT & quantity. Handsets extra.


W. TREE TRADE TVs

SPRING -TIME SPECIALS

Off the pile WorkingG11 C.T.V. £10.00 £18.00G11 TEXT £20.00 £50.00KT3 C.T.V. £15.00 £30.00K30 C.T.V. £15.00 £40.00TX9 C.T.V. £15.00 £35.00TX10 C.T.V. £20.00 £40.00TX TEXT £35.00 £65.00

ALSO IN STOCK AT`OFF THE PILE - PRICES'

GRUNDIG - BUSH - DECCA

TATUNG - TOSHIBA - ITT

PANASONIC - GEC - FERGUSONFIDELITY - PYE - ETC.

QUANTITY DISCOUNTS

VIDEOS V.H.S. WORKING

FROM £70.00NEW EX -DEMONSTRATION

CTVs - FSTsVIDEOS

HURRY WHILE STOCKS LASTLARGE AMOUNTS OF CASSETTE RADIOS,

WALKMANS, CLOCK RADIOS,

MIDI SYSTEMS, ETC., ETC.

W. TREE TRADE TVsUNIT 1, SUNSHINE MILLS

WORTLEY ROAD, LEEDS 12.TEL: 0532 - 638804

ALL PRICES PLUS VAT

BARGAINSIN SOUTH WALES

ElectronicLP ElectronicBetaPhilips

VIDEOWorking Non -working

From £75 £40From £95 £45

£20 as they come£8 as they come

COLOUR TVWorking Non -working

Doric Mk. 3 From £20 £12R/C From £35 £18Text From £65 £40Colour Portable From £65 £35FST when available From £115 £75

Translators £3 each

RANGE OF NEW HANDSETS IN STOCKVARIOUS VIDEO HEADS IN STOCK

BITELUNIT 11, TAVERNER TRADING EST. CAERLEON, NEWPORT, GWENT

Leave M4 Junct 25, 84236 to Caerleon. 3 miles from M4.

RING BOB ON 0633 430040FOR QUANTITY DISCOUNTS

Prices inclusive of VAT

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A great day out forall Woodworking

Enthusiastsat the UK's premier woodworking event.-woodWORKING

AND CRAFT FAIR

FEBRUARY 23-26,1989Wembley Exhibition Hall10 a.m.-7 p.m. (6 p.m. Sunday)

ADMISSION(At the door) ADULTS £4.50 SENIOR CITIZENS £3.00.

CHILDREN £2.50 (5-16 years inc.)sro SORED B I

VMORKMtKwBRITALVS MOST POPULARWOODWORKING MAGAZINE

For additional informationtelephone the organisersSovereign Exhibition Management

on 01-773 3751.

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BOLTON COMMUNICATIONS PROJECTSATELLITE TELEVISION RECEPTION

TRAINING COURSESONE DAY COURSE on SATELLITE T.V. RECEPTION

To be held at Smithills Coaching House, Bolton on Thursday, 23rd February, 1989£45.00 (including Lunch).

FOUR DAY PRACTICAL COURSE on SATELLITE T.V. INSTALLATIONTo be held at the Last Drop Hotel, Bolton on the 20th, 21st, 22nd and 23rd March, 1989

£300.00 (including lunches and course material).

STARTING SEPTEMBERFULL-TIME TWO YEAR B.T.E.C. NATIONAL DIPLOMA IN

ELECTRONICS AND COMMUNICATIONS(including Satellite Television)

PART-TIME CITY & GUILDS 224 PART III - Satellite TelevisionCITY & GUILDS 279 - Television and Video Production

For further information please contact:

Terry Tudor (Project Manager),Bolton Metropolitan College, Manchester Road, Bolton BL2 1ER.

Telephone: (0204) 31411 Ext. 3371/3395

STOP PRESS!NEW WAREHOUSE NOW OPENIN COVENTRY

68 BAYTON ROAD COVENTRY 1 MILE FROM JUNCT. 3 M6

GARY WINTERTON HAS FINALLY TAKEN THE PLUNGE AND GONE ITALONE. OFFERING A FULL RANGE OF EX -RENTAL TV & VIDEO. NO WILD

PROMISES - JUST GOOD STOCK AT FAIR PRICES

YOU COLLECT OR DELIVERED TO YOUR DOOR!

NO ORDER TOO LARGE OR TOO SMALL

FOR MORE DETAILS RING 0203 368437

OR 0836 590696 (MOBILE)TRADE ONLY SUPPLIED


NEW SUPERMUFFSTHE ULTIMATE IN PROTECTION FOR BROWN & WHITE GOODS - HEAVILY PADDED PROTECTIVECOVERS WITH EXTRA STRONG NAVY NYLON OUTER AND HANDY DOCUMENTATION POCKET

* FREE PERSONALISATION IN BOLD BRILLIANT WHITE PRINT!* USED AND APPROVED BY NATIONALS!

Standard TV (up to 22") £17.50 plus VATExtra Large TV (for the brutes) £18.50 plus VATPortable TV £15.00 plus VATVCR (Standard and Slimline) £16.00 plus VATJumbo (3' x 2' x 2') £34.00 plus VATGiant Jumbo (6' x 2' x 2') £60.00 plus VAT

* Ask about discount for quantityCompany Logo We can reproduce your exact company logo in any colour for a nominal extracharge (or free with bulk orders). Ask for details.

ECONOMY MUFFSLightweight but durable, these very popular muffs are excellent valuefor money and, as with all our covers, free personalisation is included.

Standard TV £11.00 plus VATExtra Large TV £12.50 plus VATPortable TV £9.50 plus VATVCR (Standard & Slimline) £10.50 plus VATJumbo (3' x 2' x 2') £18.00 plus VATGiant Jumbo (6' x 2' x 2') £35.00 plus VAT

WHY ARE OUR MUFFS SO POPULAR AND EFFECTIVE?Because engineers LIKE using them! - non cumbersome

and simple to use, they really do the job!TO ORDER: State printing required (name only) with order and cheque to:

THE MUFFS COMPANY(N.F.P.C.) 'Bywell House', 3 Fenham Hall Drive, Newcastle-upon-Tyne. NE4 9UT.

TELEPHONE: (091) 272 4646Please allow 28 days for delivery " A receipted invoice will be sent by return of post.

TELETRADERSTHE No 1 WHOLESALER

IN THE SOUTH WESTWe Have Large Stocks ofWorking & Non -WorkingTV's & VideosFOR THE CLEANEST STOCKAT THE RIGHT PRICES

Phone or Call

BRUNEL INDUSTRIAL ESTATE,NEWTON ABBOTT, DEVON

ET 0626 60154

imm mi imn

ELECTRONICS

SEND FOR CATALOGUE (S.A.E. PLEASE)

TELEPHONE ORDERS, MAIL ORDER, OR CALL AT SHOP126 HIGH STREET, CANVEY ISLAND, ESSEX. SS8 7SH

0268 690868

111 INN INN IBM =I 1=1 MN MN j-rrn

Genuine Sony Spares

STOCKTAKING SALEUnrepeatable Savings

Up to 25% off normal trade priceson selected items

TELEPHONE: 021-544 8818 (Ext. 271 FOR LIST

CHEQUES - ACCESS - VISA

SE'SSpecialized Electronic Services (Oldbury) Ltd.

Use 7, Junction Two Industrial Estate,Demuth Way, Oldbury, West Midlands.

SONY SERVICE CENTRE


MARSTALL LTDTV & VIDEO WHOLESALERS

38 HORNSBY SQUARE SOUTHFIELDS IND. ESTATE, LAINDON, ESSEX

FOR A LARGE SELECTION OFRECONDITIONED EX -RENTAL

THORN TVs + VIDEOSPLUS MANY OTHER MAKES AT

MOST COMPETITIVE PRICESNEW & SECOND HAND SPARES ALSO AVAILABLE

QUANTITYDISCOUNTS

OPEN 9 a.m. - 6 p.m.

MONDAY - SATURDAY

DELIVERY SERVICETHROUGHOUT UK

COME AND PAY US A VISITAT OUR NEW LARGER

PREMISES

(JUST OFF M25JUNCTION 29)

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0268-412711TELEVISION MARCH 1989 377

VIDEO

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SPARES

PA RFAST

E S )ORDERS BEFORE 4.00 P.M. - SAME DAY DESPATCH!

LIST PRICES EXCLUSIVE OF VAT

ORDERS UNDER £50 ADD £1.00 P&P

ex -stock! 01-38890B CLEVELAND STREET,

1714LONDON

BARCLAYCARD

W1P 5DRVIDEO HEADS SONY '5' SERIES ORIGINAL JVC VIDEO SPARES REMOTE CONTROL UNITS

REPLACEMENT HEADSJVC/FERGUSON/ETC. 3HSS-VTOSHIBA 9600PANASONIC NV -366 61HEAD)PANASONIC NV -3MPANASONIC NV -3362000/7000 ETC.

18.5025.1041.50388519.10

UMAT SERVICE KIT 127.60

ORIGINAL PANASONICVIDEO SPARES

NV333/366 IDLER V5P0101 1.21

CAPSTAN MOTOR HR3660/3V22 21.75CAPSTAN MOTOR MR01201635 20.75DRUM MOTOR MR36601622 24.75'PUP IDLER (LARGE) HR3660 5.50T/UP IDLER (SMALL) 603660 5.50T/UP IDLER HR721363V29 1.30

PANASONICW331370 BLACK OR SILVER147/366 5500257M/730 V500357NV777 NV-A17E1057000 VS00117B

163911.2130.5830'5836.07

SHARP UNIVERSAL 31-51) NV333/365 (PLAY/TAXE UP) N6P(6133 3.06PUP CLUTCH HR7200/3V29 2.20REEL IDLER HR7200/3629 196 NV7200 BLACK OR SILVER 10.56

SONY SLC5/6/743000SONY SLC9SONY SLC20/30/10/F1FISHER FVDH-615 ETC

19.10

31.12. )51/31.10

NV370/130 IDLER 1/7(P052157010(70/50/70 IDLER N6P0521NV600/688 IDLER VXP(1515NV730 IDLER 53080581

2.56..

2-03,...".. ...

REEL IDLER HRD120/3V35 2.80T/UP CLUTCH 400110/120/125 2.20CASSETTE CARRIAGE 3145 ETC 31.20PINCH ROLLER (ALL MODELS) 3.90

ALL OTHER PAN. REMOTES AVAILABLE

GOODIES SELECTIONSANYO VTC5000/5150/5300SANYO VTC9300

111031.60

116777/778 IDLER W(P0463NV2900 SERIES IDLER VXP0329

3.181.24

SONY BETAMAX ALIGNMENT TAPEPANASONIC VHS ALIGNMENT TAPE

36.5588.10

Many More Replacement Heads in Stock 902030 (PLAMME UP) VXP0331NV7000 SERIES IDLER WIP0311

1.241.24

VIDEO BELT KITS (ORIGINAL) SONY 68 BATTERY PACKS NP2211SONY ECCENTRICITY GAUGE -TAGS

29.8669.51

HITACHI ORIGINAL HEADS775000 5458109

65HT8000/9000 5458161 14165

NV7000 (PLAY/TAKE UP) VXP0343NVG7/G10 IDLER VXP0521P ROLLER 105333/366 0)(P0432P. ROLLER 101730 VXL1154

5.76

2.568.517.93

NICANASON 14V7V333/366

788 2.36MASOC N77/ANASONIC NV230/4X6870 1.45ANASONIC NV370/&30/850 1.52ANASONIC 1056881.18

SONY OPI(2038 TEXT BOARDOPK113 1780ARD.LEADS - KV1142OPK202A SECAM ADAPTORSONY REM. RUBBER PAD-RM632/6

60.6160.64

6.105310

VT11/14/33V463/61

51584155459152

14.7141.65

P. ROLLER BV730 VXL1209P. ROLLER 862000 W(P0330

7.5810.66 ANASONIC NV -2000 SERIES 3.65

ANASONIC NV -7000 SERIES 3.65TELESCOPIC AERIAL KV14661612TELESCOPIC AERIAL 10/1112/1430

7.859.31

VT65 5459282 60,64 P. ROLLER NV7000 V710776 7.85 VIDEO COPYING KIT (UNIV.) 125V1120 5457071 18.15 TENS. BAND 10/33666/777 VXZ0129 2.08 SCART KIT (UNIV.) 5.606113077150

54574725457473

5616

45.15

TENS. BAND 105370/730 6%20165TENS. 64240 NV2000/2020 V720076

1.955.92

VIDEO BELT KITS (REPLACEMENT) STYLI AVAILABLE FOR MOST MODELS

TENS. BAND NV7000/7200 5%20078REEL MOTOR NV333666 MYN13V5L

3.0015.03

SANYO V3 -5000 1.65SANYO VTC-5300 2.10 MANUALS (0 VAT RATED)

PANASONIC ORIGINAL HEADS SANYO VTC-5500 2.-r. SONY ohoNUALS 630NV1170/290105180

61V233NV333

VEH0171VEI10252VE110296VEH010

41.406/1.211.1

4.-

ORIGINAL SONY VIDEO SPARESPE 8 REW ASSY SLC20,311ACWIF100 5.40GUIDE PIN KIT SLF1,C9/C20/30/40 6.65DC/DC CONVERTOR SLC9 22.53

ra-v3r3S0-65,316°0,3660,3v16,22...2.59

JVC HR -7700 2.10JVC HR -7650 2.10HITACHI VT11 1.70

SONY MANUALSPANASONIC 8 JVC MANUALS

SONY SWITCHES

10.86P.U.A.

14V366NV37068819.677NV030

VE1101713

VEH0210VEH0177VEH0286

62.10611049:4

CARRIAGE MOD KIT SLC9CARRIAGE COMPLETE SLC9UPPER.CAPSTAN MOTOR SLC5/7

DRUM UNIT SLC9/SLF1

5.4069.1022.75X3.56

HITACHI VT5000 2.50HITACHI VT8000 1.31SHARP VC7300 2.20SHARP VC8300 2.20

POWER TV REMOTE 101.10TE MODEL'POWER IV NO -REMOTE (000TE MODEL)POWER M(1442/1082 SOLENOIDTIMER SWITCH C5/7

4.984.10

1.0321.61

NV730 VEH0267 80.19 IDLER KIT SLC5/7 4.80 SHARP VC9300 2.20 RELAY SOUND SLC5/7 4.98NV788 VEH0201 MU IDLER KIT SLC6 3.68 TOSHIBA 7540 2.50NV810t6/830

VEH0294VEH0266

"...,-2'T T._

FWD LIMITER ASSY. SLC5/7FWD LIMITER ASSY. SLC6

2.723.68

TOSHIBA 9600 1.60SONY SLC6 165 SONY SEMICONDUCTORS

NV850NV870

VE110265VEH0288

70'.9314

PINCH ROLLER SLC.66/7PINCH ROLLER SLC9/C20/F1/F25.11F100 ETC.

2.487.86

SONY SECS/7 2,25 SG613/%6533 9.954.98

NV20662010 VEH0103 1160 TENSION BAND ASSY. SLC5/6/73.4'

PSU KIT SLC7 10.86Ny30003000/72068610 VE110121 41.40 LOADING PULLEY SLC6 1.80 REMOTE CONTROL UNITS (SONY) 2SC867A 4.15NV8600NVG7NVG10

VEH0115AH0296W110287

11.4011.1062.10

PLEASE ASK FOR ANY PARTS NOT LISTED

OTHER MANUFACTURER'S

6RM604B 451612 MKV2204 28)).RM615P KV2056/2212/16/2705 ETC. 37.50RM632 KV2062/66/2216/17 ETCRM641A KV2092/2096

28:384

2SC1114 = 2SC14542SC1316 IRS. ASSY2SC1113A2SC3153

5.41)7.857.475.20

SONY ORIGINAL HEADS ORIGINAL PARTS RM651 451112RM661A KV210FILI 28.59

260139626)13972501398 4155.M

V01810/26306030 ETCEVP300/EVS700 (RED OR BLUE)

RV5OVR-04R

89.4688.82

SANYO REEL MOTOR VTC5000SANYO REEL DRIVE PULLEY V105000

.8.,87

TfeRMT211 37.50RMT213 SLC9 37.50

2S01497 -(12S01197-06511225

5.2017.45

EVA300/EVS700 (GREEN OR BLACK)SL-HF950

OVR-048101 8182132.26

FISHER IDLER A. FVF1P615HITACHI FF/REW. ARM VT11/33

4...7'

....RMT216 SLC20,30/40mnao GREY 30.44RM1216 SLC20/30/40/Hf100 SILVER

STK2129TOA2580.

17.463.58

SL-HF100 DSR-19R 52.95 HRACHIFFM6251 FRAME 0/17 MOD 1.5032.43

543230 37.50TDA36.52 4.98

SLEVC20/3040SL -C9

DS11-36ROSR -21 R

186048.60

SHARP REEL MOTOR VC93130 ETC.SHARP REEL DR. IDLER VC9300 ETC.

171°2.55

RMT405 EVS600/700 37.50TDA4600UPC1365C

6.4010.86

SL -05/67/8000 DSR-36R 4810 SHARP REEL DR. IDLER VC481 ETC. 2.85 ALL OTHER SONY REMOTES AVAILABLE UPC1394C 3.98

OSCILLOSCOPESTELEOUIPMENT D83 Dual Trace 50MHz DelaySweep. Large Tube. With Manual .

COSSOR OSCILLOSCOPE CDU150. Dual Trace35MHz. Delay Sweep. Solid State. Portable 8 x 10cmDisplay. With Manual. NOW ONLY £180 eachOptional Front Protection Cover containing 2 Probes &Viewing Hood £10SCOPEX 4010 Dual Trace 10MHz With Manual £150S. E. LABS SM111 Dual Trace 18MHz Solid StatePortable AC or External DC operation 8 x 10cmdisplay with Manual £150TELEOUIPMENT D43. Dual Trace 15MHz. WithManual £100TELEOUIPMENT S54A. Single Trace 10MHz

.,;

Solid State. With Manual --- -E90GOULD/ADVANCE 0S255 Dual Trace 15MHz. WithManual .. £225ADVANCE 0S250N. Dual Trace 10MHz. WithManual £150SCOPEX 456. Single Trace. 6MHz. With Manual £65

SPECIAL OFFER AT ONLY £300 EACHTELEOUIPMENT D755 (NATO approved version of 075)

DUAL TRACE. Delay Sweep. 50 MHz.

TRIO RF SIGNAL GENERATOR Type SG402 100KHz-30MHz. Unused (P&P £7) ONLY £75COLOUR BAR GENERATOR Type PAL MC -101. 8

patterns Pocket Size. Rechargeable batteries. Corn-plete with Battery Charger/Mains Adaptor. Unused(P&P £4) ONLY £75COLOUR BAR GENERATOR Type PAL MC321. Bpatterns Video/Sound Output. Unused(p&p £7) ONLY £125

LABGEAR FIELD STRENGTH METERS £90 (P&P £7)DECCA Colour Bar Generator type 82514 £125PHILIPS COLOURBAR GENERATOR type 5508. Videoout. Many functions £150Labaear Colour Bar Generator KG1 8 Test Patterns.(P&P £e). ONLY £40 eachADVANCE SG6213. AM. 150KHz-220MHz £45(P&P £7).

MULTIMETERSAVO 8 Complete with Batteries & Leads .. From £50AVO 8 MkV Complete with Batteries & leads £90AVO TEST SET No 1 (Military version of AVO 8)Complete with batteries & leads EUTEST LEADS suitable for AVOMETERS. Red & Blackwith 2 Croc-Clips & 2 Prods. (p&p £3) £5Black "Ever -Ready- case for AVO5. Unused (P&P£4) £20

AVO TRANSISTOR ANALYSER MK 2 (CT446) Suit-case style. Complete with batteries & operatinginstructions. ONLY £25 each (P&P £7)AVO VALVE TESTER CT160. Suitcase style. 22 Bases.(P&P F7) ONLY f25 each

NEW EQUIPMENTHAMEG OSCILLOSCOPE 604. Dual Trace 60MHz.Delay Sweep. Component Tester & 2 Probes .. £575HAMEG OSCILLOSCOPE 203.6. Dual Trace 20MHz.Component Tester & 2 Probes £314

All Other Models Available.

LABGEAR CROSSHATCH GENERATOR Type CM6038-DB Crosshatch/Grey Scale/Blank Raster. Mains orBATTERY. Unused £18. Used £12 (POP £3)

Marconi AF Power Meter TF893A 20Hz-35KHz 20MW-lOW with Manual. (P&P £7). ONLY £35Marconi RF Power Meter TF1152A/1 DC-500MHz 0.5to 25 Watts 50 ohm with Manual. (P&P £7). ONLY £45

BLACK STAR FREQUENCY COUNTERS POP £4Meteor 1C0- 100MHz .. .. . £99Meteor 600- 600MHz £129Meteor 1000- 1GHz £178BLACK STAR JUPITOR 500 FUNCTION GENERATOR.Sine/Squareff nangle. 0.1Hz - 500KHz. P&P £4 £110B STAR ORION. PAL TVNIDEO COLOURPATTERN GENERATOR £209

MARCONI ATTENUATOR TF2162 DC-1MHz 603 ohm0-111 Db in 0.1 Db steps. (P&P £7) £35LACKHATFIELD ATTENUATOR DC-250MHz 50 ohm 0-100Db. (P&P £4) £60 HUNG CHANG DMM 7030. 312 digit. Hand held 28

ranges including 10 Amp AC/DC 0.1%. Complete withbatteries & leads. P&P £4 £39.50AS ABOVE. DMM 6010.0.25% £33.50CARRYING CASE FOR ABOVE £3 each

ISOLATING TRANSFORMERS240V In - 240V Out 500VA . F15 each P&P £5240V In - 240V Out 100VA £6 each P&P £3240V In - 24V 200VA £5 P&P £4240V In - 24V Out 500VA £6 P&P £5240V In - 24V Out 100VA fa P&P £4

OSCILLOSCOPES PROBES. Switched x1; x10.P&P £3 £11

USED EQUIPMENT - WITH 30 DAYS GUARANTEE. MANUALS SUPPLIED IF POSSIBLEThis is a VERY SMALL SAMPLE OF STOCK. SAE or Telephone for Lists. Please check availabilitybefore ordering. CARRIAGE all units £16. VAT to be added to Total of Goods & Carriage.

STEWART OF110 WYKEHAM ROAD, READING,

READINGBERKS RG6 1PL

Fax. 0734 351696Mon. 8 Thurs.)

=Z112:M Telephone: 0734 68041mend Callers 9welcome am -5.30 pm -Fri. (until pm

TV LINE OUTPUT TRANSFORMERSPRICES INCLUDE CARRIAGE. VAT NOT APPLICABLE.

DECCA PHILIPS WINDINGSCS1730 1733 colour 13.00 G8 0 G9 series colour 8.50 RANK BUSH MURPHY

CS1830 1835 colour 10.00T20a T22, 126 Pr i & Sec 6.007718 primary state 1r or 22" 6.00

30' series Bradford colour 10.00PYE 725-741 CT 200 KT2 8.50 2718 EHT overwind 8.00

80 series colour 8.50REDIFFUSION Doric Mk.3 9.00

100 series colour 8.50TANDBERG

SOVEREIGN FARA £15.00

KB - ITT CTV 2-4-126 15.0014" colour overwind

CTV 3-1-156 3-3-164 15.00CVC5 CVC7 CVC8 CVC9 col 10.00 1615 EHT with Rectifier 9.00CVC20 series colour 0.00 1690-1691 EHT overwind 7.00CVC30 CVC32 series colour 8.50 E. PAPWORTH

VISUAL DISPLAY UNITSCVC45 850 120 Risegate Road,FT100 FT110 state p/no. 10.00 Gosberton, Risegate, We can Rewind the L.O.P.T.s

for the I.B.M.LCE FBI and theAll !opts and

windings are newNr. Spalding,

Lincs PE11 4EYDigital VT100 £20.00 old unit

Required.

and guaranteed 0775 840778 Delivery by rem of post.

APOLLO LANCASHIRENATIONWIDE MAIL ORDER 3-4 DAYSLOCAL DELIVERY - 2 YR GUARANTEEA47342/343X-470 BC822/C21322/BG1322/ £39474E5622/ER122/ER822/F1E122 f53A51-220X/192X f39A51 -161X/1621163/168 £53510-JK1322/JEB22/JDB22/JGB22/AL1322JGU322 £53510-V1_1322(055) DTB22/001/RFE22/RC822/SH322 £53A51-590 £55A.51 -570X/580/001/210/241 £53A56 -120X/123/140/410 f39560-DZB22/11822/A1(1322/TB22/AWB22 £56560-ET1322/D7B22/CSB22/DFAB22/DNB22 f53A56-611X/615X f53A66-120X/A67-120X/140/150/200/410 £3920AX - A56 -500X /510X - A66-500X/510X f5330AX - A56 -540X - A66 -540X f56

£=1=1vrom.4

PHONE FOR QUOTESONY TYPES £69

470DLB22/FWB/KHB/KTBKLB-520SB22/NB/RB/XBA49JHT00X-570DB22/EB/HBGB/JB-A53JBWO1X/JCGOOXJBOOX-(680CB22/DB/EB £79)

14" PORTABLES £593708UB-AXT3001-

37-550/2/3/4-A37-570580/590

PLEASE PHONE BEFORE CALLINGLOCAL DELIVERY FROM ACCRINGTON, LANCS.

Phone enquiries and letters to:Apollo, The Potters Wheel,

Mullion Cove, Mullion, Nr. Helston, TR12 7ET.0326 240781


vv

WILTSGROVELTD

VIDEO RANGEAMSTRAD - AKAI - FERGUSON - HITACHIJVC - MITSIBUSHI - SHARP - PANASONIC

28-29 RIVER STREETDIGBETH

BIRMINGHAM 5

T e I : 0 2 1 -772-2733FAX: 021-766-6100

COME ON UP, THE PRICE IS DOWN

OU'LL HAVE TO SEE US IC BELIEVE US

IA6

Ex. Rentals

Graded 7.V.'sand Video's

Stereo TTGraded 7/7

Ex. Demo.

Portables

TV RANGEBUSH - DECCA - PHILLIPS - ?YE - GRUNDIGGEC - FERGUSON - TOSHIBA - Also Portables

UNTESTED TV'S & VCR'St 9"

IF YOU'RE TIRED OF BEINGOFFERED BUTCHERED JUNK LOOK 4.4 2p 0

eeNO FURTHER CALL OR VIM

0".- seSATISFACTION GUARANTEE).:3+-,,cas'2,ts 0.- see

22" 9600 TUBES (a56 610) £15 + VAT 40- AC .4kocs t, \op

HUGE STOCKS t'scirce"?'WORKING & GENUINEAt. ?MEET,

TO V A c3P cef'AVAAABAITVCASN ONLY

IRNIO14" Colour

withUHF/VHF Tuner

Only £95.

TELETEXT TV -From only £40.

Thousands of

late modelsalso available

Direct loads

front sourceat low prices

Stock items despatched by returnVIDEO HEADSFerguson3HSSV - JVC/Ferguson most models3HSSVA- Ferguson 3V42/44/45/46 etc £38.003HSS4VB - Ferguson 3V3/ HR7655 £45.003HSS4VC- Ferguson 3V48/ HRD565 £46.00

Panasonic3HSSN - Panasonic most models £18.003HSSU1N - Panasonic NV370/380/100 PhillipsVR6460 £20.003HSSU2N - Panasonic NV230/470/480/G9/G10/G11/615PX £34.203HSSU3N- Panasonic NV430/460 f22.753HSS3N - Panasonic NV777/330 £32.203HSS4NB- Panasonic NV730 £46.003HSS4NA- Panasonic NV366 £45.00

Hitachi3HSSHA- VT8000/9500 etc. £22.003HSSHB- VT11/33/63 etc £22.00

Amstrad3HSSR - VCR4600, 7000, 9000 also Saisho, OrionTriumph etc. £24.1PSF1 - VCR4500/5200 £22.85

Sanyo3HS&SY-VHR1100/1110/1300 £39.503HSS3SY- VHR 1500 £52.00

Other Models3HSSSP- Sharp VC9300/9500 etc. £22.00PS3B- Sony SLC5/C6/C7/8000 etc £22.00PS3BT- Toshiba V9600/31/33 £23.753HSSSF- Fisher FVH710/510 etc. £24.50

VIDEO MOTORSDrum MotorsFerguson/JVC (Mechanical models) £21.45Sharp VC7300/7700/7750/8300 £24.63

Reel MotorsSanyo VTC5000/5150/5300/5400 £7.90Sharp VC9300/9500 etc. £15.90Panasonic NV333/366 £13.20Ferguson 3V29/30 JVC HR200/7300 £22.70

Capstan MotorsFerguson/JVC (mechanical models) £21.45Ferguson 3V35 022.50Sony SLC7/C5 (BHF11000) £28.20Sharp VC7300/770/7750 £30.50

A.Z. ELECTRICSREMOTE CONTROLSFerguson, Grundig, ITT, Phillips, Pye, Sony and

08.00 Hitachi various models TV & Video £13.50

CAR RADIO/AUDIO MOTORS6V. 9V, 12V and 13.2V clockwise andanticlockwise. £3.50

UNE OUTPUT TRANSFORMERSDecca 100 £8.50ITT CVC 25/30/32 £8.50Rank Bush 720A £9.25

OTHER SPARESUniversal Video Copying KR £3.60Universal Video Copying Kit (scart) £5.20Video Cassette Lamp suitable for Ferguson/JVC with/without plug £0.50Cacsette Lamps suitable for Sharp/Parasonic £0.50Cassette Lamp suitable for Sharp 9300 etc. completewith plastic moulding £1.25Cassette Lamp suitable for Amstrad 700) £0.50Cassette Lamp suitable for Hitachi 93(0/9500 £0.50Universal Cassette Lamps 40ma or 60rrs £0.50CRT Anode Caps £0.60Universal Tnpler £4.50Thorn TX10 Focus Unit £8.50Video Tape Splicing Kit £6.95Hitachi TV Frame Module HM6251Cassette Housing Assembley for Ferguson 3V35/36/38/39142/43/44/43 etc £25.25

TV ON/OFF SWITCHESITT, Phillips, Decca, Thom, Fidelity, Grundig, Sonyetc. State model and part number for price.Sony Universal with two brackets £3.75Phillips G11, G8 plastic £13.95Thom 1690, 3000, 3500, 8000, 8500, 9000, TX9etc. £0.90

* * * * * * * * * * * * * * * *: ORDER FACILITY FOR ORIGINAL i: sort' AM PANASONIC SPARES

* AVAILABLE. PLEASE NOTE** MANUFACTURERS PART NO.** * * * * * * * * * * * * * * *

BELT KITSMany Models From £0.80Sanyo VICSOCO £0.55

PINCH ROLLERSMany Models £2.70

ZENER DIODESBa85 - 1 3W Most values in stock £0.10

TRANSISTORSBC107B £0.1 (0. 22BC1088 £0.10 BF458 £0.22BC147A £0.07 BF459 .. £0.22BC172C £0.07 B0108... . £0.75BC214A £0.07 BU126. £'G708C21413 £0.07 BU208 0.70BC237 £0.07 BU208A .. 0.75BC238 £0.07 8U2080.....£0.75BC3088 £0.07 BU326A £6.75BC327-25 £0.07 BU407 £6.50BC328-40 £0.05 BU426A ... EII.758il.17 £0.07 BU503 £8.95BC547A £0.07 BU508A 0.75BC548 £0.07 BU508D 0.95BC549 0.07 BU806 0.75BC5598 £0.07 80807 0.7500237 £0.22 BUT111 0.75BD238 £0.22 BUX84 0.60BD243B £0.30 TIP29 .. 0.30BD243C £0.30 TIP31 ... . 0.3080244 £0.30 TIP32 03.30BD244C 0.30 TIP41 00.27BF195 £0.07 TIP42 £0.25BF196 £0.15 TIP42C .... ...... 0.40BF197 £0.15 TIP112 0.45BF198 £0.07 BU208A (thick base)

Toshiba 0.85INTEGRATED CIRCUITS

TBA120S E0.50 TDA2590 £2.00TBA530 0 .00 TOA2653A 0.75TBA560 £1.00 TDA2600 £5.80TBA800 £0.85 TDA2611A £1.00TBA820M 0.45 TDA3560 0.40TBA920S £1.00 TDA3561 0.50MA1044 £1.50 TDA3562A E2.80TDA1170S £1.20 TDA365C e3.50TDA11902 . 0.90 TDA3652 £2.50TDA1412 £1.00 TDA3950 £3.00TDA1940 £1.80 T0M500 £3.80TDA2521/3 £3.65 TDA8180 £4.45TDA25600 £1.80 TDA9503 £2.55TDA2581/25810 £1.55 UPC1365 0.50

STR6020 £4.90

Access & Visa AcceptedIDLER ASSEMBLIESSharpVC9300/9500 etc. £1.75VC481/581 etc. £1.90VC9300/9500/481/581 etc. (NDLOO5GEZ1 orNDLOO6GEZZ) Original £4.00

HitachiVT11/33/14/17/19/63 etcVT9300/9500 etc. Play IdlerVT9300/9500 F/F IdlerVT8000/8300/8500/8700 F/F Rew IdlerVT8000/8500 etc. Play Idler Assembly ...VT8000/8500 etc. FF/Rew Pulley

FergusonTake up Clutch (mechanical models)3V29/30 Take up Idler3V29/30 Take up Clutch3V29/30 Reel Idler3V35 Red Idler3V35/36/38/39 Take up Clutch

SanyoVTC5000/5150/6500 Idler roller assemblyVTC500CV5150/6500 Reel Dnve Pulley Unit

PanasonicNV370 (VXP0521) £1.75NV8600/8610 Play Idler (VXP0243) £0.95NV332/777/788 Idler UM (VXP0463) £3.95NV600/688NV333/366 Idler (VXP0515)

Idler Arm VXL0997 £3.10NV8400/8600/8610/ 20 (VX 245) £0.70NV333/366 etc. (VXP0401) NV700/7200/7800VXP0344) NV2000/3000 (VXP0331)VXP0329) Eo.70

FisherFVHP615 Idler Assembly £4.00FVHP615 Gear Idler Assembly £4.35FVHP905/910 Gear Idler Assembly £3.30FVHP520/530 Idler £2.60FVHP520/530 Pulley 0.70

REWIND KITSony C5,7 Rewind Kit £4.20

CALLERSBY APPOINTMENT

Please add 75p per order for p&p and then add 15% VAT

183 Acre Lane, Northampton NN2 8DX. Telephone: (0604) 847800

£1.75£3.65£1.50£1.90£2.85£0.70

£4.95£1.20£2.10£2.50£2.40£2.00

£1.95£5.00

Z=ZEU.1VISA


SETS & COMPONENTS

OCHRE MILL TECHNICAL SERVICES. Are now on(X)66 (Marlmshury) 823228 Grundig TV spares allmodels to 1983. Fast friendly, helpful service sensibleprices.

UNTESTED TV's VIDEOS from £5. Video 2000,spares services working from £29.95. New tapes.Phone 0354 8304.

JAPANESE TV'S MITSUBISHI, Panasonic, Sony,JVC, Toshiba, fully refurbished. PEARSON TELEVISION 0484 863489. Delivery arranged.

LINCOLNSHIREAREA

FED UP WITHTRAVELLING FARAND WIDE FORYOUR EX -RENTALN ANDVIDEO'S?

THEN WHY NOTTRY US FIRST?

BUDGET

TVUnit 4,

Exchange Road

Lincoln LN6 3JZ

Tel.

Lincoln 500413

TtE KGNo other consumer magazine in the country can reach so effectively thosereaders who are wholly engaged in the television and affiliated electronicindustries. They have a need to know of your products and services.

The prepaid rate for semi display setting £8.50 per single column centimetre(minimum 2.5cms). Classified advertisements 55p per word (minimum £10),

HALTON TVTRADE DISPOSAL

NOW!WORKING TVs AND

UNTESTEDWORKING FROM £15.00

Mon -Fri 10-5Sat 10-1

St Michaels Industrial Estate, WidnesTel. 051 423 1577

WIZARD DISTRIBUTORSMANCHESTER

TV & VIDEO SPARESWe stock spares for PHILIPS, PYE,

RANK, GEC, SHARP, SONY, HITACHI,HINARI & DECCA

And also THORN & ITTFIDELITY SPARES MAIN DISTRIBUTOR.

Did you know we also stockFUSES I.CsTUBES TOOLS

AERIALS VIDEO LEADSAEROSOLS AUDIO LEADSRESISTORS SEMICONDUCTORS

CAPACITORS SERVICE MANUALSVALVES TEST EQUIPMENT

HANDSETS TVNIDEO TROLLEYSVIDEO HEADS TELEPHONE ACCESSORIES

Counter open lio dnedr7 k-Frida 9am-4.45pmMa i

TRADE ONLYEMPRESS STREET WORKS,

EMPRESS STREET,MANCHESTER M16 9EN.

Tel: 061-872 54.38; 061-848 0060.

INDEPENDENTTELEVISION & VIDEO CO.

DON'T TRAVEL THE COUNTRY LOOKING AT "BUTCHERED JUNK". ALL OUR COLOUR TELEVISION'S & VIDEOS ARE IN EXCELLENTCONDITION, WITH UNMARKED CABINETS AND ARE SUPPLIED WITH REMOTE CONTROL. WE ALWAYS HAVE 1000s IN STOCK OF ALLFAMOUS MAKES. WE DON'T JUST SAY THAT- SEE FOR YOURSELF AT YOUR LOCAL BRANCH. FRANCHISES NOW AVAILABLE WITH

MINIMUM INVESTMENT

BULK PURCHASE.-V.H.S. Electronic Working From £75.00 Mechanical V.H.S. Video's Untested £35.00V.H.S. Electronic Untested From £55.00 Mechanical V.H.S. Video's For Spares £25.00V.H.S. Electronic For Spares From £35.00 All Beta Videos From £10.00

WE ARE EXPERIENCED IN EXPORT MARKET REFURBISHED TELEVISIONS & VIDEO'SEnquiries welcome C.I.F. & F.O.B. Prices - Telex: 378414 BLBIRDG - Fax: 0602 861027

TELEVISIONS CTV'S WORKING FROM £8 WORKING UNTESTEDThorn 9000 £20.00 £15.00Thom 9200 £25.00 £18.00Thorn 9600 £25.00 £18.00Thom TX9-TX10 £50.00 £40.00Decca 80 8 100 £20.00 £15.00G.E.0 £20.00 £10.00I.T.T. RiC £30.00 £20.00Philips G11 8 Pye G11 £28.00 £18.00Philips G11 8 Pye G11 Text with Handset £55.00 £45.00KT3 £50.00 £40.00la3 Text with Handset £70.00 £45.00KT35 .............................. £55.00 £45.00tam Text with Handset £90.00 £65.00TX9 8 TX10 Text with Handset £70.00 £60.00Grundig £55.00 £45.00Grundig Text with Handset £90.00 £65.00I.T.T. - Ferguson Stereo Text £130.00 £105.00

PLUS MANY MORE LATE MODEL T. V.'s TOO LONG UST TO LIST THEM ALL - ALL PRICES ARE PLUS 15% VAT.

NOTTINGHAM(10,000 SQ. FEET WAREHOUSE)

UNIT 3-3A MEADOW TRADING EST.MEADOW LANE

NEAR NOTTS. COUNTY FOOTBALL GROUNDIN NATIONAL TYRE YARD, NOTTINGHAM NG2 3WQ.

TELEPHONE: (0602) 864627

SHEFFIELD(6,000 SQ. FEET WAREHOUSE)

2 MIN FROM JUNG. 34 OF THE M1UNIT 17, MEADOWHALL TRADING EST.

27 AMOS ROAD, SHEFFIELD 4

TELEPHONE: (0742) 422633


box number £1.00 extra. All prices plus 15% VAT. All cheques, postal ordersetc., to be made payable to Television, and crossed "Lloyds Bank PLC".Treasury notes should always be sent registered post. Advertisements, togetherwith remittance, should be sent to the Classified Advertisement Dept., TelevisionRoom 2331, IPC Magazine Limited, Kings Reach Tower, Stamford Street,London SE1 9LS. (Telephone 01-261 5942).

REPAIR YOUR OWNHI-FI SPEAKERS

Send large stamped addressed envelope for cata-logue of replacement drive units from stock to:

RTVC LTD.21 High St., Acton, London W3 6NG.

Tel: 01-992 8430and 323 Edgware Rd., London W2.

Tel: 01-723 8432

D.I.Y. SCRATCH REMOVAL + TUBE POLISHING KITFirst class results can be obtained every timewith this kit. The kit. which comes with fullinstructions is especially useful on ex -rentalwork for those sets with excellent cabinetsand good but scratched tubes which may be

had at very much reduced prices. The kit could pay for itselfwith your first job!111frOd once £35 inclusive Electric drill required

PANASONIC'S ETCEXAMPLES

TC2205 remote £50TX2200 22 inch text £110NV333 elect. Video £90Slim front loaders £105

Superb and workingMany other models/makes

More profit, less headachesRegular supply - Quality Discount

Repossessed TV Centres LtdDaisy Works

345 Stockport Road,Longsight, Manchester.

(A6 between M/c and Stockport)Mr Poole or Mr Ricketts

Tel. 061-273-2854/274-3409

SPARES, PANELST.V. AND MANUALS

PHILIPS

TELEVIEW 01-994 5537194, Acton Lane, London W.4.

F.T. SERVICESQUALITY WORKING TV's

AND VIDEOS TO INCLUDE

9600's £25TX9's, TX1 0 Basic £40TX Teletext From £70TX Stereo Text £95VIDEO'S 3V29/30 £75

3V23/8940 £75NEW H/UNITS, eg. Tx Text £12NEW HEAD, eg. JVC J/L £14.50VIDEO STAND From £5

Also Sony, Pan, Philips, Pye, Hitetc. available

ALL PRICES PLUS VAT

779 STOCKPORT ROAD,LEVENSHULME,MANCHESTER

Telephone: 061-224 7279061 224 6521

OpenMon./Fri. 10-8Sat. 10-6

ELC EAST LONDON COMPONENTSAUDIO TELEVISION VIDEO

COMPONENTS AT VERY KEEN PRICESTEL: 01-472 4871

LOOK AT THESE PRICESVIDEO HEADS VIDEO BELT KITS

,NC 3 HSSV f15.950 ANNG

PANASONIC £15.959VS -

VS -10

5OG

HITACHI VT 8000-9000 t211.95p VS -7300HITACHI VT 11,33 F:20.959 vS-9703

VIDEO IDLERS FisicavBS-7003

JVC £4.75, VBS-9000VT 9300 E2.959 SANYOVT 11 14 17 E1044 vrc-5500VC 0005GEZ 0159 v1C-9300VC 0006GEZZ f1.95p St4RPNV 2000 El 509 vC-6030NV 333 E1. vC-6100IDLER TYRES FOR MOST MODELS 0.50p50p VC -6300

UNIVERSAL LAMPS 30p VC -7000

NC LAMPS 60p 00

SHARP LAMP E1.00p v8-9300vC-83

UNIVERSAL TRIPERS 13.00,PINCH ROLLERS FOR MOST MODELS f2.954

ON/OFF SWITCHESSONY 0217OFF SWITCH 132.759011 ON/OFF SWITCH WITH REMOTE E2.0047X10 ON/OFF SWITCH WITH REMOTE 12.009

CASSETTE MOTORS6-9-12-13.2 VOLTS f3.00p

CASSETTE HEADSMONO CASSETTE HEAD 959STEREO CASSETTE HEAD 21 .80pAUTO REVERSED HEAD HR 3360

DIM BELTS FOR FIATHR -4100

AUDIO CASSETTE 60x 0 5 x 3 404 110-6500

RECORDERSTURNTABLES

SQUARE19 x 1 2 20pto

195 x 1 2 20p

to158 x 0 5 3 40p 3.7,08040545 80p

MITIOIOAL88 x 0.5 x 5 809 ry122 x 0 5 x 5 1100 mv.77718940545 80p po.200019540545 80p NV -7000205 x 0 5 x 5 80p NV -8600

ELC EAST LONDON COMPONENTS63 PLASHET GROVE, EAST HAM,

LONDON E6 1AD. TEL: 01-472 4871OPEN 9AM TO 7PM.

two minutes walk from Upton Park Tube StationPLEASE PHONE US IF WHAT YOU NEED

IS NOT LISTED AS WE HOLD THOUSANDSOF ITEMS IN STOCK

ADD 70p P/P ADD 15% VATALL GOODS DESPATCHED SAME DAY

PRICE SUBJECT TO CHANGE WITHOUT NOTICEVISA ACCESS ACCEPTED

SOWSL -05 C751 -8000

V-5475v-5480V-8450v-8830HITACHIVT -5000VT -11

HR -3300HR -3330

809951,

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t2.052059

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IN STOCKTHYRISTORS

TRIACSOP AMPS

LOW PROFILE

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500p3750375p350p250,230p400,350p23%123%250p300p395p275p

2600275p150,200p160p

15/395%

250p2759180p100p250p280p400p280p25%

1009195p

180,170p280,250p

2560p

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140p231%340p22%330,201%290,290,290,290,550p275p27%300,32%3000

180p75p

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90P

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275p260p280p250p2509270p

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MA4420 400pIDA4500 495pTDA4600 3009TDA7270 294

TRANSISTORS2SA 473 "Op2SA-489 1.5p

2SA-490 409

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2S0-5642S14608 125p5p

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50,


mit riigtributor5Unit 4a, Abberley St., Smethwick Birmingham B66 2QU Tel: 021-565 1727

T TOSHIBA - HITACHI - PANASONIC - J.V.C.E SONY ALL OTHER JAP ARE IN

XSTOCK NOW

T FROM £45 STEREO TEXT P.O.A.COLOUR PORTABLE P.O.A.

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * **

DIRECT LOADS AVAILABLE*

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

WORKING VIDEOSFROM £40

VIDEOS FOR SPARESFROM £10

AUDIO

MIDI SYSTEM - MUSIC CENTER - TWIN DECK STEREO - STEREO RADIOCASSETTE - MONO RADIO/C - CLOCK RADIO - CAR STEREO - CAR ALARM

- AND MANY OTHER AUDIO ITEMS ARE IN STOCK NOW.PHONE FOR PRICE LIST

EXPORT ENQUIRIES WELCOMEAll prices are subject of 15% VAT and based on quantity


NORTH WEST ELECTRONICSHUGE STOCKS NOW IN FOR '89

GOOD SELECTION OF THORN TV'S & VIDEOS FROM STANDARDTO STEREO TEXT AT KEEN PRICES!

WORKING TV's

Bush T20/22,T24/6 £25

Pye G11 £25

Pye KT3 £35

Pye K30 £40

Ferguson TX 9/10 £40

Grundig £20

Hitachi 226 etc. £55

WORKING VIDEO's

TRY BEFORE YOU BUY!

Sharp Electronic 7300 £65

Ferguson 3V29 £75

Sharps 8300 £75

National Panasonic £75

Ferguson 3V30 £80

Sharp 9300 £85

BRADFORDSPRING MILL STREET,MANCHESTER ROAD,BRADFORD 55 MINS FROM MOTORWAY

NORTHWESTELECTRONICS

4TI

1

TOBRADFORD

CITY CENTRE

J¢tfs,

TRAFFICLIGHTS

TRAFFIC

1

LIGHTS

PETROPOLISGARAGE

Tel (0274)

308186

QUANTITY OFBRAND NEW

TOWER SYSTEMS,MIDI SYSTEMS,

PERSONALRADIOS ETC

IN STOCK NOWK35/K30 TEXT

TX10 & HITACHI TEXT

TELETEXT BARGAINS

FROM

£35(G11)

WORKING EX -EQUIPMENT PANELSIF Con- De- Line Power Frame

verger coder scan

T20/22 X 5 14 18 17 14

T26 X 5 16 20 17 X

718 7.50 5 14 20 3 14.00

PhilipsG11 14.50 5 12 20 20 11.50

All prices include Postage & Packing.But + VAT

TRADE SHOWROOMLARGE QUANTITY OF READY TO

SELL VIDEO's & TV's

CALL IN, YOU WILL BEDELIGHTED!

LATER VIDEO's NOW INSTOCK

3V35144165, Hitachi VT33Philips 6660/64, UR 60,

AND MANY MORE

100's PX

HOOVER JUNIORVACS

All models in stock

ALL PRICES ARE PLUS VAT & BASED ON QUANTITY

CHEQUES

ACCEPTED WITH

BANKERS CARD

VISA

WELCOME

UNTESTED TV'sBush T20/22 £10Pye G111 £15Pye KT3 £25Pye K30 £25Ferguson TX9/10 £30Gruncig £10Hitachi 226 etc. £35Thorn 9000 £10

Plus many more; GEC, ITT,etc from £5

UNTESTED VIDEO'sSharp 7300 £35

Ferguson 3V29 £50

Sharp 8300 £50

National Panasonic £45

Ferguson 3V30 £55

Sharp 9300 £55

Betamax all makes from £10

MANCHESTERUNIT 3,MERSEY ROAD NORTHINDUSTRIAL ESTATE,FAILSWORTH

MN

18 mia 19IVERPOOL1111.

RoAD,Ai r

OLIHAM RL

MERSEYRD NORTH

MANCHESTERRD

NWE

20

CHARLIEBROWNS

OPEN Tel

6 DAYS (061-683)

SAT 9-5.30 4612

LEEDS

)HAM

NEWCASTLE UPON TYNE

COLOUR TELEVISIONS

THORN -8,800

9,000

9,600

TX9-TX10

DORIC-MK1, MK111, M4.

PHILIPS-G11, KT3, KT30.

ITT-Various Models.

GEC-Various Models.

VIDEOS

THORN -3V23

3V29

3V30

NAT PAN-Various Models.

HITACHI-Various Models.

TRADE WORKERS ALWAYS AVAILABLE

P.V.S.35, Nunsmoor Road, Fenham,

Newcastle -Upon -Tyne.Phone: (091) 2722 303

REBUILTTV TUBESDIRECT FROM THE FACTORY

WHERE THE BEST COSTS LESS

FINEST QUALITYLOWEST PRICESSPECIAL DISCOUNTS FOR

BULK BUYERS2 YEAR GUARANTEE, 4 YEAR OPTIONAL

ALL MAKES INC. SONY

NATIONWIDE DELIVERY

PHONE NOW FOR FREE LISTS

SHERWOOD TUBES LTD60A PEVERIL STREET, NOTTINGHAM NG7 4AH.

Tel. 0602 786896

Colour TVs from

Clean and tidy

G1ls

£5 each

20" 22" & 26"

FROM

KT3 FROM

Philips and Pye types

£12

£25

Teletext FROM £30

Always around 200+ fully working colour TVs andVideos available. All in clean condition and ready for

immediate sale or rent.

Phone us for models available today.

Cash sales onlyPrices based on quantity plus VAT

Video 2000 system FROM £15Phone for availability

Video Beta FROM £8

VHS Video FROM £20Spares machine electronic

Electronic VHS FROM £50Various makes - changing daily

GENERAL FACTORSUNION STREET, DONCASTER, SOUTH YORKS

Excellent motorway access from Ml, M18, AIM

0302-349583(24 hour Ansaphone Service)


>.

LIJ

00

z

-

LIJ

0

LL1

z

SUPER DHOUPER'SGRAND CLEARANCE

SALE "'LITT'S

/BIRMINGHAM * TRY US/WE ARE THE BIGGEST IN

1000's - 1000'sof TV's and VIDEO's

TX9 X10 Text from £55 quantities in 10'sTX9/10 basic from £3

Finlandias from £9Lots of other brand names - HITACHI - SONY -

PANASONIC

Guaranteed - Genuine - Untested

13E1ODD

STEREO TEXT

3V30 Videos from £55 quantities in 10's /Lots of other brand names -

HITACHI - SONY - PANASONIC

Guaranteed - Genuine - Untested

I

9K'S

Gil Text9200

9900

8K

2010

GEC

StarlineMk 3AMk 4A

Text

KT3

KT30-40

KT TEXT

CTX TV'S

GRUNDIG

ITT

TRIMLINE

COLOUR

PORTABLE

etc. etc.

BULKORDERS

DELIVEREDTO YOUR

DOORSTEP

LORRY

LOADS

at// / Cheap Cheap/ RATES/ WE MEAN DIRECT

Unit 3, Armoury Road, FROM RENTALS

Small Heath Industrial Estate,Small Heath, Birmingham 021-722 2743

ALL PRICES + VAT


zm

0

mm

zm

-100

m

zm

Ci)

00

mm

385

Access MIDLANDTELEVISION

QUALITY SETS SINGLES OR QUANTITY SUPPLIED AT THE BEST PRICES

PhillipsKT3 Basic

K30 Basic

KT3 Text

KT30 Text

BUSHT20

T22

T24

T26

THORN

8800

9000 R/C

9600 R/C

TX9-TX10 Basic

TX9-TX10 Text

TX9-TX10 R/C

C.T.V.Non Working Working£15.00 £30.00

£20.00 £35.00

£50.00 £68.00

£55.00 275.00

£10.00 £20.00

£5.00

£12.00

£14.00

£25.00

£55.00

£30.00

ALL REMOTE &TEXT SETSSUPPLIED WITHHANDSETS

£11.00

£18.00

£20.00

£40.00

£70.00

£45.00

Ferguson3V23

3V30

R C 3V31

R/C 3V35

VHSNon Working£55.00

£55.00

£60.00£65.00

Working£80.00

£80.00

£85.00

£90.00

SHARP, HITACHI, ETC FROM:Non Working £55.00, Working £80.00

Buy 15 or more of any item and receive 10%reduction

i.e. 15 x 3V30 in full working order £72.00+ VAT

TRADE REPAIR SERVICECTV & VHS Securicor collection & deliveryavailable. Also panel exchange service -ring for details.

15 MIN M1 JUNC. 22Nationwide Delivery Service Available

UNIT 11, MARKET STREET,COALVILLE, LEICESTERSHIRE

TEL: 0530-810836/7

ALL PRICESSUBJECT TOVAT AT 15%

ADMIN TELEVISIONPHILIPS G11 BASIC

£14 INCPYE G11

£16 INCTX9/10s K30/KT3

£25 INCWKG TV G11 GEC

DECCA 80s 100s £25 INCVIDEOs T/L WKG £70

ELECTRONIC TVsFROM £5

PHONE 051-548 4414UNIT J, ADMIN BUILDINGS,

KIRKBY, LIVERPOOL L33 7JX

SUFFOLK TV & VIDEOSLarge stocks always available

GEC, Fineline KT3, KT30, Hitachi,Nat Pan, working stocks in our

showroom from £20.00.Text £85.00 with handset.

0934 670115Bridge Road, Felixstowe,

Suffolk 1P11 7FL

VIDEOSPOTTA TRADE TV's

NOW OPEN

GOOD NEWS FOR SCOTTISH TRADERS.WE ARE A NEW INDEPENDENT WHOLE-SALER OF QUALITY EX -RENTAL, BANK-RUPT, AND SURPLUS STOCKS OF TV's

AND VIDEO's.THE PRICES ARE RIGHT, VERY COMPETI-TIVE, THORN AND NON -THORN RANGE.

Workers or non -workers.Fresh stocks every week.

Why not pay us a visitPrices based on quantity.

All prices subject to 15% V.A.T.

TRADE TV'S (near the Barra's)239 LONDON ROAD, GLASGOW.

Telephone: 041 553 1714

C.T.V.2 NORTON ROAD, STOURBRIDGE,

WEST MIDLANDS - 0384 390706QUANTITIES AVAILABLE 9k 9.6 TX9,

TX1 0 TELETEXT.

Portable complete range of VHS, also quantities ofPhilips, GEC, ITT and Japanese CTV's.

DIRECT LOADS AVAILABLE.

All at Competitive Prices.

Telephone: 0384-390706

LET

TELEVISION

SELL YOUR

PRODUCT

FOR YOU

RING NOW

FOR DETAILS

01-261 5942

JOMILL ENTERPRISES173 DALSTON LANE, HACKNEY, LONDON E8

01-533 2229VHF 'UHF TELEVERTAS £22.50 Quantities P.O.A. Ce-ramic filters for UK and export conversion NTSC decoderfor replacement of chip TDA3560/1 £47.50 add cost of

posting and packing. All prices plus VAT

"Thorn 3(PX1/3500Thorn 9000UNIVERSALI sear guarantee

TRIPLERS

4.95inc.p&p

The UNIVERSAL TRIFLER can he used in mosti.E.C., I.T.T., l'ye, Rank, Decca & Continental sets.

WING ELECTRONICSIS Wayland, off Tudor Rd., Hayes End, Middlesex


A NEW PUBLICATION!

Satellite TVInstallersBe

PreparedA fully illustrated satellite installers'guide. Easy -to -read style; nocomplicated theory or mathematicalformulae involved; designed forEuropean installers; 13 detailed sectionscovering all aspects of direct -to -homesatellite TV.

`Satellite Television -Installation Guide'by John Breeds. Price £11.95including p&p UK. 2nd EditionSwift Television Publications, 17 Pittsfield,

Cricklade, Swindon, Wilts. SN6 6AN.

RCS VAMABLE VOLTAGE D.C. BENCH POWER SUPPLY1 to 24 volts up to l/2 amp. 1 to 20 volts up tot amp. I to 16 volts up toI V2 amps D.C.Fully stabilised. Fenn panel meters for instant voltageand current readings. Overload protection

Fully variable.Operates from240V AC.Compact Unitsize 9v51/2x3ins.

£39 VAT« Post S2

RADIO COMPONENT SPECIALISTS

[ACCESS I337 WHITEHORSE ROAD, CROYDON

SURREY, U.K. Tel: 01-684 1665List, large SA.E. Delivery 7 days Callers Welcome Closed Wednesday

VISA

Electronic Consultant ServicesDISTRIBUTORS OF ELECTRONIC COMPONENTS

INFRA -RED DETECTORHOLD ACTIVE AREAWITHIN ONE INCH OFINFRA -RED EMITTER

IF INFRA -RED IS BEINGEMITTED AN ORANGEIMAGE WILL APPEAR

ecs

FOR GREATER IMAGECLARITY, SHIELD

ACTIVE AREA FROMAMBIENT LIGHT

406, MAIN ROADGLASCOTE

TAMWORTHSTAFFS. 877 2BY

Tel: 0827 64861

MAGICAL MIRROR

Actual size 78mm x 53mm Triangular mirror willreflect orange light if Infra -red is being emitted.One off £9.00 each plus V.A.T.Two or more £8.00 each plus V.A.T.

Check remotes and infra -red lads with this c/c sizecard

Electronic Consultant Services406 MAIN ROAD GLASCOTE TAMWORTH STAFFS B77 2BY

METERS

METERS. Reconditioned 10p/50p available fromstock. Contact THE METER CO. (Poole) LTD.(0202) 683498.

AVON METERS50p or £1 TV meters

from £5.95 each plus V.A.T.(Discount for Quantity)

We also repair and buy unwanted meters.1 Year Guarantee - Phone now:

28 Station Road,Yate, Bristol BS17 5HW

Tel. 0454 321953

SITUATIONS VACANT

BENCH/FIELD ENGINEERREQUIRED BY SOUTH LONDON VIDEO COMPANY

Must be experienced and conversant with all types of 'Domestic Video' includingcameras, camcorders etc. Able to work on own initiative. Must have own transport.Hours and salary negotiable.

Apply in writing to: Box No. 250SKILLED TECHNICIAN WANTED. Good pay rates ONE MAN JACK OF ALI, TRADES. Electronic elec-apply. JOMILL ENTERPRISES, 173 Dalston Lane, trical servicing (including marine). West Higlands.E8. Tel. 01-533 2229. Replies to: Box 249.

FOR SALE

For All

SHARP GRUNDIG PHILIPSFidelity and Thorn

Genuine replacement spare partsyou need only one phone call on

0734-876444or

061-682-1415Same day despatch before 2.30 pm.

Over 55,000 parts n stock

Willow Vale Electronics LtdSole UK Parts distributor for Grundig and Smarp. Main Philips UK Distributor

TO FILL THIS

SPACE RING

PAT ON 01-261 5942

THE NEW 80 CENTIMETERS OFF SET DISHFROM EURO SAT

Designed and developed in the UK Astra, BSB, DCF 2and telecom. Dish antenna from 80cm to 3 meters.

Phone or write for details:SAE: Euro Sat, 107 Cross St.,

Sale, Cheshire M33 1JN, England.Tel: 061 437 2631/061 881 4249.

SERVICE SHEETS

* ***** * * * * * * * * * * * * ******** * * * * * * * * * * * * * * * * * * * * ******* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *****

WORKSHOP SERVICE MANUALS*** ** *

Video Recorders - £12.50 ***

Most other equipment, Colour Television, Mono, Audio,Music Systems, 7-est Gear, Vintage Valve, Military

surplus etc. etc. £6.00. ****Please state Make/Model/Type with order. *

**Most available from stock or obtainable to order. ****

FREE Catalogue Unique Repair and Data Guides with ::all orders or LSAE for your copy. **

MAURETRON ELECTRONICS (TV) ****

8 Cherry Tree Road, Chinnor, Oxon. OX9 40Y. *** * * *** Telephone: (0844) 51694 *** ********* ****************** *************** **************** **** ****** **************** ***** *************

RING NOW FOR DETAILS OF SERIESDISCOUNTS AND RATES


ACCESS TECHNICAL INFO SERVICES (T)MASTERCARD76 Church St., Larkhall, Lanarkshire ML9 1HE

EUROCARD

PHONE 0698-884585 Mon -Fri 9-5, 0698-883334 any other time, FOR FAST QUOTES

IMMEDIATE DESPATCH of all Phone Orders by ACCESS, etc. or to Listed Customers

WORLD'S LARGEST COLLECTION OF SERVICE MANUALS . . . from £3.50 to £50 . . . Most unobtainable elsewhere

Every issued FULL SIZE SERVICE SHEET in stock; CTV's or Combinations £3.50/Singles £2.50; Plus LSAE

LSAE for any Quotation, plus FREE large Catalogue, STREE Review, Pricelists, etc.

A small selection from titles in stock . some only obtainable from TIS via mailorder POST FREE:

Practical TV Repairs by Tunbridge £12.95 Colour TV Servicing by King £12.95

Practical Radio, Repair & Service Course £9.95 Servicing Personal Computers by Tooley £20.00

Video Recorders, Servicing by Beeching £20.00 Spectrum Repair & Service Guide £5.00

Oscilloscopes, How to Use/How they Work £6.95 Servicing Radio, HiFi, TV Eqpt by King £9.95

Servicing Mono Portable TV by Wilding £20.00 Video Techniques 2nd ed by G White £30.30

Video Techniques 1st ed £20.00 Refrigeration & Air Conditioning £7.95

1987 Brit CTV Repair Manual by Tunbridge £8.95 Domestic Eqpt Repair & Service £16.95

Principles of Compact Disc £2.95 VHS Common Faults £3.50

The PAL System from Thorn Research £6.50 Practical Transistor (Clearance offer) £1.95

Audio & HiFi Engineers Pocketbook £9.95 TV & Video Engineers Pocketbook £9.95

Questions & Answers on Radio Repair £3.95 Audio Equipment Tests by King £12.95

Almost any Video Service Manual £15.00 Almost any Colour TV Service Manual £9.50

11 Big Colour TV Repair Manuals covering the British & many Foreign from 1970 to 1987 £90.00

20 Fault Finding Booklets covering most Videos from 1979 to 1986 £45.00

The Set of Thorn's own 10 Video Circuit Description Manuals from 3V00 to 3V43 £40.00

8 Giant Binders containing Circuits & Layouts for Brit & Foreign, Mono & CTV from 1970-87 £175.00

4 Giant Binders containing Circuits & Layouts for most Videos from 1979 to 1986 £90.00

All prices subject to VAT

Send now for

Full details of our Famous Complete Integrated Repair Systems for TVs, Videos & Domestic Equipment

These systems contain all the circuits & data needed to cover repairs and servicing for anyone in business or wishing to

start up their own business. All the Diagrams, Repair, Service & Technical Data needed. At a fraction of the normal cost of

buying such data. Terms are also available.

The Circuit/Layout Set for almost any Video . . . £7 each, CTV5 . . . £4 each

For £3 . . . Comprehensive Service Manuals & Sheets Catalogues PLUS 1988 Chassis Guide & £4 Vouchers

VCR - CTV - MN - AUDIO etc.

Examples - VCRVSP1OX = Saisho VR1200HQ/Matsui VX820 £12.75Memorex VR1200/Casio VCR6500 - DaewooVCR30/50 - Funai VCR4000 £14.75Sharp VC581-582-583-585 - VC.5F3 £10.50

CTV manuals forNEC/LoeweNetz/Seisho/CasioOrion/Otake/Admiral etc. from £4.50

Manuals tor many other makes and models wellknown or obscure - some unobtainable elsewhere.

Prices are all indusive. No VAT or P/P.For list send £1.00. No SAE required.

DATA -GO 112 AMEYSFORD RD., FERNDOWN,DORSET BH22 90E. Tel: 0202 894207

SERVICE MANUALS

GERMAN SERVICE SHEETSPECIALISTS

Our connections are world-wide. We furnish anykind of German, European and Japanese servicesheet or manual. Thousands of different sheets andmanuals in stock. For any enquiries:

DONBERG ELECTRONICSSchoolmasters House, Rannafast,Co. Donegal, Republic of Ireland.

Phone: 075 48275

COURSES

ONE DAY INTENSIVE TRAINING COURSES ON

TV - SERVICING - VIDEOABSOLUTE MUST FOR ALL COLLEGE STUDENTS,

APPRENTICES AND AMATEURS.

MODERN FAULT FINDING METHODS TO SERVICETV's THE QUICK AND EFFICIENT WAY.

CERTIFICATE GIVEN UPON COMPLETION OF COURSE.

RING NOW FOR PLACES ON

0525 851385

REPAIR SERVICE

AVO'S OSCILLOSCOPES & TEST EQUIPMENTRepaired. Manuals available. J.R. COAD ELEC-TRONIC SERVICES Phone 01-340 0230.

MISCELLANEOUS

The Theory andPractice of PAL Colour

Television in threeimportant Video

Cassette ProgrammesPart 1.

The Colour SignalPart 2.

The Receiver DecoderPart 3.

Receiver InstallationVHS***V2000***

BETAMAX***UMATICFor full details telephone

0253 725499 (Day)0253 712769 (Night)

Or send for precise details

FLINTDOWN CHANNEL 5339 CLIFTON DRIVE SOUTH,LYTHAM ST ANNES FY8 1LP

(encloding this advert)

NAME

ADDRESS

TEL

PICTURE TUBE REPAIR EQUIPMENTR 90

Versatile and reliable.Although many things havebecome cheaper, picturetubes are still expensive. Soutilize tubes fully by using ournew generation machine.

Regenerates picture tubeseven better Also IN -LINE Removes short-circuits,even between cathode andfilament Measures beamcurrent, emission current, lifeexpectancy, etc.

can pay for itself in 4 weeks, if you are not using BMR 90ou are makin less rofit than ou could.

BLENDOWN LIMITED, Bank House. 17 Rhos Road.Rhos on Sea. Ctywd. Wales Fax No (0492 47880) Phone 0492-49246

AERIALS

SATELLITE TVRECEPTION EQUIPMENT

FirLNB's. Receivers. Dishes. polar mounts andaccessories

Japanese LNBS from £95.00Japanese RX from £169.00Ku Band feedhorns from 05.99F Connectors only 0 20'N' - f Adaptors only C1.4010db line ampls only £12.00Prices excl VAT SAE for leaflets.

DXANTENNA

KESH ELECTRICS LTD.Main St., Kesh, Co. Fermanagh, N.I.

Tel: 03656 31449 Tlx: 747412

TO FILL THIS SPACE

RING CLASSIFIED

ON 01-261 5942

TELEVISION

MAGAZINE.

THE

NO. 1

LEADER

WANTED

SURPLUS/REDUNDANT ELECTRONICCOMPONENTS WANTED

tics - Tuners - Transistors - Valves -Diodes etc, any quantity considered -immediate payment.

ADM Electronic SuppliesTel. 0827 873311. Fax 0827 874835

BUSINESS FOR SALE

TELEVISION REPAIR SHOP/FLAT for sale. EastBirmingham, including stock, carpets. £48k. Tel. 021786 1969 evenings.

ONE MAN JACK OF ALL TRADES. Electronic elec-trical servicing (including marine). West Higlands.Replies to: Box 249.


BOOKS & PUBLICATIONS

Ku BAND SATELLITE TVTHEORY, INSTALLATIONAND REPAIRThis 383 pagemanual by Baylin &Gale of USA coversdish theory, uplinks,footprints, sitesurvey, installation andadjustment,descrambling, cable TV,even includes acomputer program forfinding your satelite.Second Edition £23.SATELLITE AND CABLE SCRAMBLING ANDDESCRAMBUNG. Basic theory. 2nd Ed. 280p £19VIDEO SCRAMBLING & DESCRAMBLING. Advancedtheory and circuits, 246 pages by Graf & Sheets £21HOME SATELLITE TV INSTALLATION VIDEOTAPE, 40minutes. VHS PAL £27HIDDEN SIGNALS ON SATELLITE TV. Teletext,telephone channels, teletype £20SATELLITE, OFF -AIR & SMATV. By F. Baylin £25WORLD SATELLITE ALMANAC. All footprints, 650pages, second edition by M. Long £32COMMUNICATION SERVICES VIA SATELLITE. By G.E.Lewis. Microwave, TVRO, Encryption £45SATELLITE TV INSTALLATION GUIDE. 2nd edition byJohn Breeds £12.00

Price includes P&P UK. Airmail Europe E2. OutsideEurope £6.00 extra per item.

Pay by cheque, ACCESS MASTERCARD, or CODJ. VINCENT TECHNICAL BOOKS,

24 RIVER GARDENS, PURLEY, READING RG8 8BX.TEL: 0734 414468 (Answerphone)

ku BandSATELLITE TV

THE DOMESTICVIDEO RECORDERSERVICING BOOK

3rd EDITION IN HARDBACK- THE ENGINEERS BIBLE -With chapters on Hi-Fi, Digital Servos, Fieldstores,Luminance & Chrominance Signal Circuits, CCD's,

Camcorders, 8mm, S -VHS & VHS 'C' Formats, AutoFocus Systems, Camera Signal Processing.

A MUST FOR ALL VIDEO REPAIRERS AND STUDENTS.THE COMPLETE REFERENCE TO VIDEO CIRCUITS.

ORDER YOUR COPY NOW(while stocks last)

£21.00 hc. P&P (UK + N.I. only)From: NEWARK VIDEO SERVICES

GROVE FARM ESTATE, LONG LANE,BARNBY-IN-THE-WILLOWS, NEWARK.

NOTTS. NG24 2SG.Access & Visa

Tel. 0636 84327.FOR SALE

ISOLATION TRANSFORMERS 240V 911W (500W.ntennittant) £6 95 inc P&P. Power supplies 0-15V. 1.

5A with meter overload protection £14.95 inc P&P. Ex -equipment. S.A.E. 5 St Josephs Park, Ballycruttle,Downpatrick BT30 7EN.

COPY DEADLINE FOR APRILISSUE IS 15th FEBRUARY '89

TELEVISION CLASSIFIED ADVERTISEMENTLINEAGE 55p PER WORD (MINIMUM INSERTION £10).

5% DISCOUNT 6 INSERTIONS. 10% DISCOUNT 12 INSERTIONS.SEMI -DISPLAY £8.50 PER S.C. CM. (MINIMUM 2.5 CMS)£8.10 PER S.C. CM. 6 INSERTIONS, £7.60 PER S.C. CM.

12 INSERTIONS. ALL PRICES PLUS 15%BOX NUMBER £1.00 EXTRA

HEADING

ADDRESS

SIGNATURE

PLEASE DEBIT MY ACCESS/BARCLAYCARD NO.

FOR INSERTIONS

SEND TO:CLASSIFIED ADVERTISEMENT, TELEVISION, ROOM 2331,

IPC MAGAZINES LTD., KING'S REACH TOWER,STAMFORD STREET, LONDON SE1 9LS.

Company registered in England. Registered No. 53626. Registered Office: King's Reach Tower, Stamford Street,London SE1 9LS. 3/89

INCREASE YOUR PROFITSby saving hours & hours POSSIBLY DAYS OFFRUSTRATION locating faults on VHS VIDEO

RECORDERS.

WE OFFER YOU THE HELP YOU NEED withHUNDREDS & HUNDREDS of 'STOCK' and the'HARDER' faults along with their SYMPTOMS. Allexperienced and collated from MANUFACTURERS/SERVICE DEPTS/WORKSHOPS/CONSULTANTS

and TECHNICIANS.

CoveringALL POPULAR MAKES & MODELS including:-

FERGUSON/PHILIPS/JVC/PYEJPANASONIC/HITACHUAKAI/MITSUBISHI/SHARP/SANYO/

FIDELITY etc etc etc.

SYMPTOMS/DIAGNOSTICS/FAULTS/PROCEDURES/MODIFICATIONS

All well' tried & PROVEN as a great TIME SAVER &ESSENTIAL for ALL service departments & person-nel. Collated & indexed in UP -DATING binders for

QUICK & EASY reference.

Will immediately recover the outlay costs.

ATTRACTIVE up-to-date BINDERS covering MANYHUNDREDS of FAULTS & their SYMPTOMS.

YOU WILL WONDER HOW YOUMANAGED WITHOUT THIS

ONLY £73.00 (inclusive)Regular monthly updates just £30 per year.Also available on COMPUTER DATA -BASE

Payment with order to:-TECHNICAL ADVISORY SYSTEMS33 FOXCOTE, ASTLEY VILLAGE,

CHORLEY, LANCASHIRE PR7 1XE.Telephone: (02572) 75667

°o0 SA M.

QUALITY USED T.V.& VIDEO

PHILIPS/PYE G11, KT3,KT30. LARGE

QUANTITIES OF STD.,REMOTE AND TEXT CTVs

ARRIVING DAILY.

Free Delivery Serviceto Most Areas of the U.K.

AV 0 SALE a)UNIT 80, BARRACKS ROAD,

SANDY LANE INDUSTRIAL ESTATE,STOURPORT-ON-SEVERN,

WORCESTERSHIRE DY13 90B

Just 10 Mins fromM5 Junct. 6 Worc's North

02993.79642 &

79643


VIDEO MACHINE REPLACEMENTSWe Specialize in all types at

UNBEATABLE PRICES!!!VIDEO HEADS WE SUPPLY WORLDWIDE. . . FAST!!3HSS-V 16.00 3HSS-U1N 17.50 PS3BS-1 16.253HSS-N 16.00 3HSSU-N 30.00 PS3BS-2 16.253HSS-A 21.00 3HSS-3N 27.00 PS3BT 21.003HSS-B 20.00 3HSS-SP 20.00 PS4B-2S 30.503HSS-H 20.00 3HSS-R 21.50 PSSB-3S 35.503HSS-(A) 20.00 3HSS-Y 30.00 PSF-1 20.003HSS(SP)B 25.50 3HSS-SF 21.75 VT5000 30.003HSS-PB 20.60 3HSSU-2N 30.00 VT9300 30.003HSS4-NA 40.00 3HSS6-NA 60.00 VT33EI 20.003HSS4N-C 44.00 3HSS4V-A 44.00 3HSS4V-B 44.003HSS4V-C 44.00 3HSS3-SY 46.00 3HSS UJ/ 16.50

AND MANY MORE... PLEASE ENQUIRE. . . DISCOUNTS FOR TRADE ACCOUNTS

BELT KITS PLEASE ASK FOR OUR FULL LISTSSONY C6 0.82 SHARP 7300 1.38 SANYO 5000 0.50SONY C7 1.33 SHARP 8300 1.38 SANYO 5300 0.80SONY C9 1.38 SHARP 9300 1.38 SANYO 5500 1.00SONY SL 1.50 TOSH. 7540 1.08 SANYO 9300 1.50FERG.3V22 1.30 TOSH. 9600 0.66 N.PAN 300 1.25FERG.3V23 0.37 HIT. VT11 0.83 N.PAN 777 1.16FERG.3V29 0.90 HIT. 5000 1.50 N.PAN 7000 0.85FERG.3V31 0.71 AMST. 7000 0.60 N.PAN 8600 1.28

AND MANY MORE. . . SINGLE BELTS. . . CAPSTAN BELTS. . . DRUM BELTS. . . ETC.. .

PINCH ROLLERS IDLERS MOTORS ALL MAKES

ALL OUR COMPONENTS ARE NEW AND GUARANTEED

VIDEO DISPLAY CORPORATION Minimum Order £5.00Griftronic Emission LimitedUnit 2, Avenue Farm Ind. Est.Stratford-upon-AvonWarks. CV37 OHU.

Phone (0789) 295883298510

Telex 31470Fax (0789) 415243

please add 75p per order for Postage Charges plus VAT

NEW PRODUCT ANNOUNCEMENT

introducing the UNIVERSAL

VHS

ELECTRON VIDEOREPAIR CASSETTE

A great time saving device for the benchor field service engineer for hands freevideo inspection or repairs. Simply insertthe cassette and experience its many

advantages to aid fault diagnosis.

No need to remove the tape carriage forroutine servicing

No more taping of sensors andtransmitters during servicing

No need for manual operation systemswitches etc. during servicing or repair

PRICE: £9.99Supplied with cleaning buds and fluid

To obtain your cassette please sendcheque or p. o. to:

ELECTRON T.V. & AUDIO36 Gifford Road, Stratone Village,

Swindon, Wilts.Tel. 0793-39363

SOUTHSIDE TVUNIT 8, APPLE IND. EST.,

WHITTLE AVE.,SEGENSWORTH WEST,

FAREHAM OFF JUNCTION 9, M27

HANTS. TEL. (04895) 77251

* TOP QUALITY ex -rental TV's & Videos* Fresh stock deliveries EVERY week* All items complete with original handsets* Working stock always available in quantity* 24 hr ansaphone service

Opening times: Mon -Fri 10am-5.30pm.Sat Mornings 10am-1pm.

SOUTHAMPTON M27 PORTSMOUTH

WHITTLE AVE.

\ CQ

SOUTHSIDE TV",m_I LOCEAN SOUND",

SOUTHAMPTON A27

JUNCTION 9(FAFIEHAM WEST)

FAREHAM A27

REBUILTCOLOUR TUBESDelta - 20AX - 30AX - In LineN.G.T. ELECTRONICS LTD.

120, Selhurst Road, London SE25 6LL

PHONE: 01-771 3535First Independent Rebuilder with Certification

RELAYomaGimio COMPUIFR SOF 1VVAlif_

II I

DO YOU STILL USE A CARD SYSTEM?DO YOU FIND IT DIFFICULT TO KNOW YOUR ARREARS TOTAL AT ANYGIVEN TIME?If you do then we recommend our new computer TV and Video Rental package. Thispackage includes* automatic updating of each customer's record* alphabetical print-out of each customer's arrears and payments missed* total arrears immediately available* easy to use and operate.Operates on all IBM compatibles running under MS-DOS Free demonstration disc available.

CONTAC

WILLIAM J THOMPSONDonaghanie Post OfficeBeragh Co. TyroneTelephone Beragh 214 (0662 72)


CENTRALONDON TV & VIDEO WHOLESALERS (UK) LTD.

LEICESTER BIGGEST SELECTION - KEENEST PRICES

WORKING TVs WORKING VHS VIDEO

BIRMINGHAMBOLTON

NEW AND 1' LINES NOW IN STOCK

Basic Thorn/Granada £15From: FERG, GEC, ITT, DECCA,PHILIPS, DORIC, FINLANDIA etc.Thorn 9.6k £15TX9/10 STEREO TEXT IN STOCK

TX Text from £50Text SetsGrundigPortablesSonyKT3/30

from £35from £35from £45from £55from £35

Prices based onavailability - quantity

+ 15% VAT.

Basic Electronic Thorn/Japs £65Mechanical £50Beta £25

IN STOCK 3V23/29/30/40/31/32/35/383V43 - STEREO - HiFi - 2

SPEEDSharps 7.3/8.3/9.3

Hitachi VTH/8.3/9.3Panasonic 333/336/7.2/777

Akai VSINS2NS4 and many more

Set Top Ariels & Audio Video Accessories

Slim FiL Basic/Remote14" Colour Portable20" ITT Remote20" Remote/Monitor StyleBW PortableMicrowave OvensFerguson 2265Professional SeriesFerguson 5967 F.S.T.Finlux 28" F.S.T.Luxor F.S.T./Solara

£120£95

P.O.A.P.O.A.

£26from £45

P.O.A.P.O.A.P.O.A.P.O.A.

NEW THORN HEADSNEW HANDSETS

£15.00£9.50

FOR SINGLE OR BULK PURCHASES - CALL US NOW,LOCAL AND DISTANT DELIVERY SERVICE AVAILABLE

AGENTS REQUIREDC.T.V. LONDON

Eley Estate, Noble Rd,Edmonton N.18

01-807 4090, 01-884 1314

FOR THE UK AND FOR EXPORT

C.T.V. BOLTON C.T.V. LEICESTERNile St., Unit 1, St. Georges Mill,Bolton, Lancs. Humberstone Rd. LE10204 384 868 0533 515299

BULKENQUIRIES ETC.HEAD OFFICE:.

C.T.V. BIRMINGHAM369 Stratford Rd,

Sparkhill B11021 772 1591

INDEX TO ADVERTISERSADM Electronic Supplies 388Admin Televisions 386Aerial Techniques 357Apollo 378Audio Electronics 321Audio Visual Services 322Avon Meters 387A -Z Electrics 379

Bi-PakBi-TechBi-TelB.K. ElectronicsBlendown LtdBolton Metropolitan CollegeBroughfame LtdBudget IVBull, J & N Electrical

366329374 ICS

316388375371380323

Campion Wholesale Ltd 389Carter, John (Electrical) Ltd. 370Central TV & Video Wholesalers Ltd 391Centrevision 371Chromavac Ltd. 321Chromavision 369Crewe Wholesale TV 365Crofton Electronics 317C.T.V 386

Data -GoDhouper VisionDisplay Electronics LtdDonberg Electronics

East Cornwall Components 324East London Components 381Economic DevicesElectronic Consultant ServiceElectron TV & AudioEuro-SatExpress TV Supplies

352, 353387390387 Radio Component Specialists 387371 Relay Omagh Ltd.

Flintdown Channel 5F.T. Services

Gamma U.K. Ltd. 364General Factors 384G.G. L. Components 318Grandata Ltd 362, 363Griftronic Emission Ltd.

Halton TV Trade DisposalsHussain Central TV Ltd

317Irwin Electronics 367I.T.V.0 380

Jomill Enterprises 386

Kesh Electrics Ltd.

LRC (Spares)

Manor Supplies Cover IIMarstall Ltd 377Mauritori Electronics 387Midland TV's 386Muffs Company, The 376

Newark Video 389NGK 366N.G.T. Electronics Ltd. 390North West Electronics 383

388385 Omega Electronics 343

370 Papworth, E 378388 PC TV Services 381

Post a Part Electronics 376Powell, T 371Pro -VisionP.V.S.P.V. Tubes

365384

314,315

390

388 Reliable Wholesale TV 321

381 Repossessed TV Centres 381Riscomp Ltd 329R.T.V.C. Ltd 381

Sendz Components 330, 392, Cover III, Cover IVSherwood Tubes Ltd 384Sonic TV Distributors 382

380 Southside TV 390373 Specialised Electronic Services (Oldbury) Ltd 376

Stewart of Reading 378Suffolk TV & Video 386Supervision 319Swift Television Publication 387

Taylor Bros (Oldham) Ltd. 327388 Technical Advisory Systems 389

378 Technical Information Services 388Teleprice Ltd 361Teletraders 376Televideo Services 320Teleview 381Teltech 317Tidman Mail Order Ltd. 368Todd Trading 368Trade TV's 386Tree, W., Trade TV's 374TV Trade Sales 357

View -Tel 368Vincent, J. Technical Books 389

West Midland TV & Video 372Willow Vale Electronics 387Wiltsgrove Ltd 379Wing Electronics 386Winterton, Gary 375Wizard Distributors 380

390 Zoneport 372


Hill Intercom £10 CV 8617 10pY 716 .6_10P

Y '729y 730 ' "1 0 Pp

Y 827: 6A/IKV 20PY 860 30pY 933 5pY 969 50Py 007 3°PMin 12 volt Relays 75pR 1038 400

R 1039 40pR 2009ZTXR 20106

SOPE

R 2029 5 LPR 2210 ""PR 2257 60pR 2265 500

R 2305 50pR 2306 30pR 2322/2323 pair 80pR 2323 L5PR 2396R 2461 "'"'"SOp

R 2030 50pR 2443=BD124R 2540 32R 2737 400R 2738=T1P41 30pR 2775=TIP41c 40pR 3129=TIP47R 4050 £100S 200862SD898B sW2SC1942 ElHitachi sets etc.STR454 £2STR6020 £2S 2000AF line o.p. £12SC940 £1BU 105/04BU 108 8°ABU 124 50pBU 118260a POP

,65,.!BU 204BU 205 7' "gr.

BU 206 riBU 207 £1

BU 208 80pBU 208A 75PBU 208D

. BU 222 92BU 326 £1BU 407 6°PBU 426A 45BU 426V 60:BU 500 £1.10BU 500D £1BU 508ABU 508V 7BU 705 fiBU 807 £1BU 824 50PBUT 11 50PBUT13 600V -28A £1BUW 11 50pBUW 84BYW 20-08-9 6:1BYW 95 10pBUX39 25A -150V .11_BUX84

.z -r,BUX85BUY49 -'200

TIC 106a 30pTIC 116m 30pTIC 116n/Y 1003 30PTIC 126N 34)2TIC 225STIC 226E ''''''

.30pTIC 226m 30pTIC 236m 10pTAG 226/600 30pTICV 106Dauv2 case 2A/400V) 10PTIP 29 25oTIP 30 25i,

TIP 30A 25pTIP 30B 25pTIP 30C 25PTIP 31 25PTIP 32 25oTIP 33B 50p.

TIP 33C lopTIP 34A 50pTIP 34B 60pTip 34c

70P50PTIP 35B25

TIP 35C 70oTIP 35D 000

TIP 36 5°P'TIP 36C 70oTIP 41 151;TIP 4IB 400TIP 41D 70pTIP 42 10pTIP 42/BRC 6109 10PTIP as 40pTIP 49 30pTIP 57 30PTIP 110 2°PTIP 100 -"TIP 102 30pTIP 115 50pTIP 117 SOP

TIP 125 35pTIP 126 40pTIP 127 40PTIP 130 30pTIP 131 61)lip 136TIP 140 50p3°P

TIP 142 SOpTIP 640TIP 2955

50p35p

TIP L761A-1000V/4Amp 75pT 6032 ,3°PT 6036T 6040 40p-'''''

T 6047 40pT 6049 40pT 6051 40pT 605254 40pT 60 40o

T 9004 40pT 9005 40p

T 9051V £1.00ZTX 107 10p

ZTX 108c 10p

ZTX 109k 5pZTX 213 Sp

ZTX 341 1°PZTX 342 10PZTX 384 10p

451.1°P_

ZTX 550 luPM1 2253MJE 3040

,6_6°P

""1'MJE 2209 10p

SP 8385 50pSAB 3205 £1.00SAB 4209 £1.00300M + 700 320V £1.80200 + 100 + 100 + 50 3001/ 50p150 + 200 + 250M 300V 50p

Computer Transformer20v/2.25A; 20v/1.5A;I7/.5A; 19/.5A; 28/.05A £3

OLD TYPE TEX. I.C.TX004F 030TX005GN £3.00

7x904 £3.00X908 £4.00MM2102AN £2.00

Voltage Regtdators+SV/UA78POSSC

3°P.m_

-8V/79M08c '''''''+6V/78M06c 30p+ 10v/78LA 10 20pLM 3I7T

3°P.,_LM 337 -',:pLM 3 4 2 /18 -9'LM 3411T 5.0 501)

+12V/LM 340T12 50P+18V/MC78M18 20p+24V/78M24 30pMC 7724cp 40pMC 7824 40p

TIS 90 10p

TIS 92 20PTIS 93 20p

U 19885 4°,PU 3832 "PU 3845 15PMR 508 10PMR 501 10PMR 502 10pBCW 7IR 30pBYF 1202 10p

BYF 1204 lopBYF 3126 400

BYF 3214 40pBYX 10 10p

BYX 36/600"3,!P

BYX 38/300 VBYX49/600R 75pBYX 55/350 10p

BYX 55/600 (Bead) 10p

BYX 71/350 20pBYX 71/600 50pBYX 72/300 20p

BYX 36/600 50pBYV 95B 10p

BVY 95C 12p

BYV 96D lopBYZ 106 10p

BPW 41 15p

BYW 56 2A/1000v G11 81'

BYW 29/50 15p

BYW 95C I°PBZU 15/24 54pBZY 93c75 50pBZV 15/18 30PBZV 15/30 30pBZW 70c6v2 10pBZX 79.3v 10p

Bush thyristor RCA 76122 £1

Transformer 240v/20v-500Ma75pChassis type Transformer240v/12 Volts 500m/a 75pCVC 20 tube base £2Tube Base Rank & GII £1.20

Infra red ledLD57CA 15PI5K-20 turn pots 20PThom 3500 2A cut out sop

Varta Batteries 2 4V100M/A 50p

NI.CD 5 Hours BatteryCharger with battery test £6

Regulated Power Supply3-12 volts 1 amp

in box with switch andPhilips small stereoheadphones £2.50 TV Battery Hill Deluxe Universal Ni-

mains lead f.4

I.2V NC. 2.4V NC. each

4 amp -1.21/ NickelCad Charger £6 Philips' Video Cleaning Cassette

SBC46I £6Rank UHF 4 pushbutton tuner £4

Cadmium Battery DCell £1.00

Nickel Cadmium BatteryCharger AA,C-D-PP9 f0.50

Philips' HeadphonesCompact Disc Stereo Type tio

.GRC power supplyPC743B £10

3.25V Battery 50p12V Video Battery Packs 12 Volt Aerial Changer over ITT Display Tube 58705 SepRank front panel

Z950 £5 4Amp U2 Cells £10 Relays 144 Mcls 45 watts 50p 8 Seg Display FND500 top

GEC IF tuner panelPC786B £12.50

24V 4Amp (100VA)TransPocket£4.006 Push Button Unit for GEC2100 Series Replacement for

Model 3000Personal D.M.M.

Rank IF 742 E3 Mains 240V (100VA) to Touch Button Unit £8Volts range AC. DC 200MN to400V. Res. 2000Km /20

TXIO 8 Button Unit£10

240V out fully shrouded£5.00 8 SEG LED Display with Expon PYE731

6 ButtonITT CVC45 8 way resistor driver I.C. LM1017 50p Push unit with (UHF-

VHF) band switch to() Button UnitRediffusion Mark 3 £5

Rediffusion Mark 4 & 7Push Button unit £10

unit for v/cap £3

CVC40 8 button unit withPHILIPS'

MIN. HEAD PHONESITT Micro Phone M5 50p with

switchmains lead & slider pots

£10.00£1.50

......

11/2 Volt Sub Min Relays 25pywith socketsBook on An IntrMuctionto Satellite TV

Electronic Buzzer6 volt, 12 volt 40p

Philips Solar ScientificSBCI730 Calculator 112Tuner IF Cans ITT

CMR200 £10 £5.95 No VATI5V, 015V, IA £1

15v -0-15v I AmpTransformers 11

ITT SEL HE Modal 2UK IF Tuner fg

Book TV DX Handbookby R. Bunny £5.95 No VAT.

Print Type Trans RGP3OK 10p

Electronics HobbyistsHandbook £4.95 No VATHills £4.50

12v DC Relay 11/2x11/2x2print type 10 amp D.P.Changeover II

RGP3OG 8pRGPIOB 5pRGPI5 10pRGPI5G of,T6024WGI 10p

tit= of frontpanels

types £5

Multi Core £4.5060-40 Soldar 5flOti 20 SWG £5.00,._

15 Watt Stereo Amp Sanyo Module with Data ,0P

GPIO 5pGPI5Q OP

THORN RGPROG 30pDUBLE 7 SEG Displays 15p

CVC20, CVC32 I.F.CVC40 Cans L5CMR800/3 NEW £20

PHILIPS25 Watt Solder Iron £4.00

'LN5 26RA or 10 for il

CMR8OW3 £20CMR803/2 £20 Various Tools and Accessories

Self adjusting cutter stripper £5.0010 mixed tube bars £4.005011 Diodes -Resistors £3 packTN V/Aerial 3000 or 750 £1.50 D/P push mains switch 20p eachMains lead & two pin socket for radio cassette 35pTN loop aerial 75pRadio Telescopic Aerial £1.00Philips Neon Lamps for TV sets 5pFreeze Philips £1.20Foam Cleaner Philips £1.20Contact Cleaner Philips £1.20Cans of Anti Static, Degrease Cleaner and Anti Corona All at £1.40Lorlin Full Remote Relay Switch fit most TN sets, mains 4 tag, 2 tag 12 volt £1.00Mains timer. 13 amp - up to 2 hours: easy to use, plugs into socket £3.00Screen locking agent, large can £1.50Red E.H.T. LAED and Anode Cap £1.00Weller solder iron 25 watt £4.00Hitachi Silver Oxide Battery G13 UCC357 IEC SR44 I.5V 60p100 Coax Plugs £12.00De -solder pump + 2 nozzels Philips £4.00Flat Red LED and Green 5p500gm 60/40 solder reel £6Solder 1 kilo reel £5.50Dual v/u meter -20 - +10db £1

K30 thermistor 232266298009 75pDe -solder Pump £2.50Portasol Homeless Gas Soldering Iron £16.00Green & Red, LED pack mixed 100 for £1.00Hill Meter Leads, S/Rubber and Probes £4.00

20AX Line lin coil 50p

GEC switch modetrans 20AXITT mains CVC9 toCVC33 print type 60pITT 2,800 mainsremote switch 50p

NEW

2110 GEC Sound 0/P,Panel E'2110 GEC L.O.P.T.Panel £6

2110 GEC PowerPanel £5

Line o/p frame panelsGEC 20AX £10.00

ITT CVC40 PushButton Unit & MainsSwitch £12

Tuner & IF Panel.Complete 6 button andpreset IF with s/wavefilter and tuner.Mullard M342 5"x61/2"

16.00

POTS

BA 301 LITA 4127 ..HD 3884 2A23 £3TA 4184 £1TA 2125 .,...TA 4190 t:TA 4138 mTA 4196 £1TA 4174 £1TA 4139 £1TA 4198 ..TA 4167

.E,1TA 4199 .,...BA 546 t;BA 328 .,...TA 4176 .,.TA 4145 .,.TA 4191 ..HA 11710 £1TA 4188

1..1,TA 4197 ..TA 4183 £1TA 4197 ElTA 4183 f;TA 4195 :TA 4175 :TA 4177TA 4192 :,'TA 4146 ..TA 7265 .9TA 7699P '`'-'

HILLSMiniature Linesman Pliers £2.20 Miniature Pliers £2.20Miniature Side Cutters £2.20 Miniature End Cutters £2.20

KT3 PANELSSound Output RGB Output ChromaPanel, I.F. Panel and Line OSC

£7.00 each

100 Fuses £2.00100 WAV Res. £1.50BF 199 20 for £110 x 20 Turn 100k pots. Rank £2

Key Switch & PanelBF 470 20 for £2

PYE 6GII Front Panel £10 6 Mixed UHF Aerial Isolating Sockets,

long leads. Fit ITT, GEC,SONY 1400KV Chrome Panel £6

some withPhilips, Pye £1.00

SONY 1400KV Touch button unit £3.50Mixed Packs

GEC Decoder Panel PC772A3PC446A5 £6

TO66 12 Power Trans RCA 16182 NPNReplacement for BD124 and MountingKits£1.00

12 Volt Mains Trans 500M/A £1.00 25 Panel Mount Bulbs & Neons £1.50IOA £1.50

Double 1.5 Digital Display.High brightness 20p

LED red/yellow/green £1.5020I/C Holders £1.2020 Large LED Red £1.0020 Small LED Red £1.00

Quantity Reductions 10x20 Turn 100K Pots £1.00

8Y204/4 25 for £1.00BY206 25 for £1.00

Red & Green LED on Panel 1p each

KT3 touch button black 6 for £1G11 touch button red 6 for £1K30 full remote Dawer Ass with 3I.C. £7.00K30 VHF. UHF Dawer Ass £6.00BY298 3 amp/fast/R 20 for £1.50Bui26 10 for £6.00BU205 10 for £8.00BU105 10 for 16.00BF458 10 for £1.00BF224 20 for £1.400A90 40 for £1.0050 Ceramic Condensers £1.50Mixed Mounting Kit for PowerTransistors 50p300 Condensers £1.50

Mixed 100 Transistor B.F. and B.C. andPET £1.50 1000 for £10.00

12 Volt 4 Amp Video Battery Pack 10 ofType D Cells £11.50

40 glass reed switch £110 press to make switch 70p40 Pots £1.50With Focus Pin, 10 Tube Bases,mixed £2.001000 Diodes, Condensers, Resistors onBandolier £1.0020mm Fuse HoldersChassis Mount 20 for IIEHT Diodes, small 20 for £1

The Service EngineersGuide to Teletex £2

4 Types Fedility frontpanels with i.c. & pats

£2 each

BB 103BB 105A x12

IBB 105B x 12 11BB 105G x 12 IIBB 12Ia47 10P each111p

BBH/SAFETYMAINS ISOLATING

TRANSFORMER250V-250V/A £10

BRIDGESKBL 005 30pKBL 02 30p

KBP 04W02

300

15pWow 15p

W005 20p800V Bridges 21/2 Amp 30p

300 Resistors £1.50 300 Mixed Diodes £21A/1600V I°PDG3P EQV-BY228 10for £1

2 amp bridge rec. wireend 15PSKE42/02 15pEciv. BYX71/600Wns.

150 Electrolytics £2.0015 Bulbs Philips 40pGEC -Hitachi Thick Film Frame £5

100 500M/A Fuse £1

Mixed V/Cap Pots 1TT-GEC-Hitachi-Philips etc, 20 for £1

SENDZTO ORDER

COMPONENTSSEE BACK PAGE

ITT Mains Switch with RemontCACI 13 II12v DC relay 11/2x11/2x2 print type 10amp D.P. change over £1

MAINSMICRO SWITCH

GEC & Double etc. £1


SENDZTO ORDER SE

COMPONENTSE BACK PAGE

Matsushita PY34220 Tuner £7

C. Cam Decoder with TDA3591 £5Toshiba VHF/UHF EG522F £6

Mitsumi MECI-F51 £5

Thorn SparesNew 9000 Decoder £8.509000 Frame panel 189000 Cyclops panel £1.5088130 convergence panel £68500 convergence panel £64000 Power supply £31600 Mains lead, switchT605 IvNPN 7066 80v/6A 10p9000 Sound output panel £13500 Focus unit £1 503500 Mains Trans fA3500 cut outs 10 for £43500 IF panel £23500 Frame panel £335(0 Line panel £335(0 Al Diode

VCr3500d with set oanFISN744S 114000 Tube base fA3500 AI potsBeam limiter panel £15. °A

3500 Power panel with Y969 £13 Way reg.ulated adaptor 240V 6V/7.5/9V/3M1 nA £3.50Rank/Toshiba preh unit 0354 £9.504 Push button unit preh £1.006 Push button VHF/UHF forv/cap. GEC-Decca type £7.007 Push button for CVCS ITT £8.00KT3 12 Push button unit £2.00KT3 Export) 12 P.B.06 Pus button Unit Thom6 Push button GRC6 Push button PYE 731

£1.00£6.00£6.00

Hearing aid unit £3Rank Z7I8 4 P/B/Unit MECH £47 Button Unit GEC with Lamps £7697 Push Button Unit £6.00Z916B panel £5.00T513AP panel £5.00

Mains DroppersPr 731 3+56+27RThorn 50/17/11(5120/2020/48/117270/10/6 for Thom 4111018/320/70/39Thom 50 -40R -1K5Ae Socket & LeadGEC, ITT, Philips, Pye7 x 33/4 ThomThom 1600-1700Rank Toshiba Tube Bases

£174£1.00

£1.%501)

25p£1

£1.5030p

20,000 Per VoltHT420 Hills Meter10 Amp AODC

1.000 and ohmes range £10

4 ohmes ranges 0-1000 volt AC/DCAEG KT2000/641-005

OF -425OF -550OF -513OF -557

Hand SetsFidelity wAlljsypes

£15

KT3-K30

E.W.correction

DIODESBY 126BY 127BY 133BY 134BY 176BY 179BY 184BY 187BY 190BY 196BY 198BY 204/4BY 206 - BY 407 Eqv.BY 208/800BY 210/400BY 210/815)BY 223BY 224/600: 4.8A/600v bridgeBY 226BY 227BY 228 1500vFlat BY229 blackBY 299 RedBY 229/400BY 299/60p TagBY 237BY 254BY 255BY 298BY 299BY 406BY 527BY 407aBY 448BY 527BY 602BYV 26CF 247GP2OGGRP8OG (TXIO)XK 3102BYV 28/200Bridge TXIO 800/3 ampsKBPC35-02 BridgeBridge Rec. D35610

10p10p50p

10p10p10plOp25p40p25p10p40p30p10p8p8p8p5p

10p60p50p15p15p20p15p20p30p30p5p

10p30p10p10p8p

20p10p10p10p10p10p10p8p

30p.50p2Dp

Lit40p

K35 Decoder £8.00K35 Sound OP LAMPThick Film Daughter KT3 3122-127-43891

£312 C.H. K30 Tex Bee Front Panel withI.C. L5K35 IF £5.00

Plug InK4 Focus Pot £1.00

Fidelity Tube Base with transttor & focuspot 31.50

G8 LOPT PanelRank T20 Z136 PanelNEW GEC 20AX Power Supply Switch ModeField + Jungle panel for GEC 3133/3135GEC 2110 line panel with transformerGEC 2110 tuner unit + IF PanelPye/Chelsea Line op panelPye 205 T/unitPye 713 IF panel and tunerPye 713 ChromaPye/Chelsea Timebase panel with LOPTIPye 731 Frame PanelPye 731 Convergence PanelPye 731 Chroma

731 IF panel + tunerGEC portable chassis + LOPTI 2114 NewG9 Power PanelMono RANK Chassis I27A NEWNEW G9 Frame PanelNEW GI 1 IF Panel

25%OFF

ALL

PANELS

£12.00£4.00

£12.00£1.50£-.130

£12.110£12.00

£3.90£7.00

£10.00£10.00

L.S 00£5.00

£10.00LIB 00400£4.00

£K1.005400

£10.00

Bush Tube Base on panel £1.130

TX10 Tube Base on Panel £3.00

G8 Tuner Unit + PanelG8 IF& Chroma08 Chroma

£4.00£6.0013.00

Line TransformersLine O.P. Trans. Mono T.X. 12.14"Philips274 £104822 £1010273 £10Thom 1690 LOPT 17.502 1/Pots 3,500 1 off each type L3.00G8 Trans. Philips 17.00GII Spoil Diode £12.00CV O& Split Diode In- £10.00Thorn B/W AD5308F + Stik +Lead £1.50GEC 2040 13.00GEC 2110 17.00Mallard AT 2036 £1.50Pye 169 Line Trans £3.00Pye mono £3.00Rank mono T704A £3.50Split Diode Tram 17.00GEC 20 AX Rank 2522 £3.00Rank L.O.P.T. Z970 £3.00CVC32 £6.00CVC30 ITT £7.00CVC32 Line Tran £7.00CVC800 Line Trans £6.00CVC825 Split Diode £10.00CVC 45 £5.00GEC Portable GIOT2041GEC Portable GIOT2046 £3.00EHT Split Diode Leads ITT £1.0035151 L.O.P.T. & HT Trans each £2.00LOPT Rank Z763 £5.00K35 Split Diode 3122/13835930 £10.00

Universal Triplerwith small focus pot. Green type £7.00

Black TriplersKT3 TriplersS.T.C. Universal Tripler11 TIT11 TGAITT CVC 5-8-9Rank T25LE TriplerRank 11TCP A823TU 25 30K Rank11 TEZ Rank09 PhilipsGEC 21103500 Thom8500 Thorn9000 Thom9500 Thorn9600 Thom2040 GECGEC TVM25 TriplerUniversal Tripler

g71137Decca 80 100Grundig TVK 52IITBQ Pye 73111THYD22 for Pye 18" colour portableLP 1193/63JIG 100/41ERO Tripler print type with foam P07I3G2087T/text ultrasonic ree'r panel £14.0012-14V. 20 for £5.00 200 for £25.00GEC 8 touch unit assy complete with all

16('s +1E.91r tansformer 50p£4.00

GII E.W. coils 21.00G11 Transient Suppressors 245V 20pGI I Scan Coils 55.00Gll 100K tuner pots 12 for LIKT3 IF panel £6.00KT3 line OSC transformer LIKT3/K30 infra -red receiverhead LIK30 drawer unit with IC's(home) £10

drawer unit with IC's

KT SocketsLIO

KT3 receiver panelKT3 line driver transformer 50pPye, K30, GEC, etc. Pre -mains stand-byswitch LIDecca 80/100 IF panelNPN PNP 80V 6 Amp TO66 O.P.Trans. Pk 2505 button touch tuner BBC12ITV(/_'video with is SAS 5OP/T/570T £7.00Control panel 5 sliders + maim lead£1.50(Ill 8 touch button unit replaces old tiP.B.U. L24Tube base + base unit for 820 Eurochassis £4.00GEC Line OfP Trans. & Rex Stick forPortable £3.00('VC 20/25/30/35/40 decoder panel £10CVC 20/25/30/35/40 decoder panel(untested)05CVC 40/45 IF panel £540K Transducer 50pl'HILIPS NE511N £1.20LM337M Reg. 30p20 GEC Black Spark Gaps £1.00KT3 Front Panel ControlAssy. L2.50BTW 3USO

International Rectifier EHT Diodes 0770/HV34 6KV6A/600V Stud Diodes 20p BTW 92/800R6A/1000V Stud Diodes 20p 25A473 PNP C/P

£6.0016.00£2.50£2.00£3.50£2.00£3.50£3.00£3.00£4.00£4.00£3.00U.00£7.00£4.5014.00£3.50£2.0025.00£5.00L5.0014.50L2.50£3.0014.0024.00£400L3.25

SOPrs

3 far Op£3

I 0 p

GII IF Detector £3.00Gll Selector gain module £3Complete CVC 825 Chassis £15AEC V/Cap Resistor Unit UHF with ICSAS660 SAS670 £3.00Z714 RANK IF Panels 6MHz I I.C.SLA37F £3.00Z909B RANK IF PanelsExport 5.5MHz 2 I.C.'s'IBA I 205B TCA2705Q £2.501(35 IF £6.00Z743 RANK IF PanelExport 5.5MHz 3 I.C.'sTBA750+SC9504P+SC9503P £1.50Pye G11 Front panel with transducer,pots, tuner pots, 6 pb switch+ lead £5.00Pye 6 button switch portable £1.00GEC V/cap VHF/UHF tuner and IF+sound 0/P PC 70683 (Export) £12.00GEC Line 0/P PC 659133 £6.002110 GEC Power Panel 18.00CVC 20 Front panel with sliders +mains input panel £4CVC 40 PUSH BUTTON ASSY withsliders: complete with lamp assy + pots8 button units £9.00CVC9 slider pots panel 50pUniversal Focus. Fits Pye, Thom andDecca Units.TI47 Rank tube base on panel £1.00Z718 Focus UnitT20 Focus Unit £1.00Large Type 75pDecca Small 75pKU Focus Unit 75pK30 Focus Pot 75pK30 Tube base on panel £1.00TXIO Focus Units £8.50CVC 32 Focus Unit 75pFedility Focus Unit 14R -14S 30p3500 Thorn Focus Unit £1.00ITT Small for use with SplitZ718 Bush Focus £2.00Diode 50pRemo TV I2SP 50p1600 Thorn EHT Rec and Lead 50pTV14 50pTV20 £1.00TV45 50pThom 14/1500 rec stick Sp

TXIO 8 Button Unit £10.00

TX1OfTX100 16 Button £10.00

GI I drawer ASS 3 pots Mains switchand lead £2.00

K30 Drawer Ass with pots cableforme £1.00

TXIO Drawer with 8 way pots. ass.£2.50

TXIO Ex. port with band switch(drawer) £2.50

PHILIPS BATTERIES(Small Types) HAND SETS

SR41 25pSR43 25pSR44 25pSR54 25pLR43 25pLR44 25pLR54 25pCR2032 25p10 SCOPE 2KV 20p.22/10130 20pTAA7750 £1.00HA411485 £1.00UPC1373 50pM50143 £1.0054491 BB 1 £1.00458657P 25p

',150441/550 IP58658P £1.00

.1elay Line TDK Small Gray 100DK Blue Type 50p

420M 400V £1.00470M 380V £1.00220/400V £1.00

1200PE 15KV 10p

.01 2KV 10p

1+1 MFD Maim Filter ITT 3 Pin ISp

11100 x 10 30p22/100 10p4.764/100 Sp470/100 20p4700/100 75p47/160 10p300 300/300V 80pgl0/160 50p.1/250 Pulse Sp2,2 250v 10p7N5 1500V 15p3n3/250 A.C. 10p33/250V 20p39/250V 15p4n7/250 tested 5KV BP22250 ISp47/250 10p100/250G11 470/250V £11GEC600/250 60p700/250 LI300+300 MFD 350v £1.00800/250 40p32/300 20p4/350 Sp8/350 8P4.7M/350v 10p33/350 20p220/350 30p3410/350 40p400/350 50p22/375 15p220/385 (ITT) 75p330/385 CVC 820HT 60p0.1/400 15pKT3 E/W .39/400 15p.561Q400v 20p4700pf/400 10p.22/Q0 10p8/400 15p33/400 20p400/400 40p394K/400V 20p220/450 40p25

.47/500 p0.1/600 15p0.1/1200V wire end 20p0.1/450 A/C wire end 20p.22/1000 211p

3147/600 15p0.047/1000 10p0.01/1000 10p0.1/1000 10p.47/1000v 65p.47/250V A.C. 10p.(101K/1250 10p0.1E147/1500 10p.005/1500 10p.0105/1500 10p1n8/1500 15p2n2f1500 15p.01/1600 15pG11.82002KV 15p0.1/2KV 20p3n9/2KV 15p0.0015/2KV 10p6n2/2KV 15p2n22KV 15p7700( 4KV 10p7 f/2KV 10p3000 F/3000V 10p4n7/2KV 15p6n2/2KV Irip7n1/1500V 10p8n2/1500V 10p9n1/2000V 10p8n2/2KV 15p0.0082/2500 ISp150/3504 10pI800/4KV 5p4.7nf/5KV 10pI70/8KV 10p180/8KV 10p210/8KV 10p1000/10KV 10p.47/103VTube Thermpath 167 £1.Rank Secant Decoder Panel UHF &VHF T1154 £13.0010 off .91 CAP G11 £2.00Philips K4 CAP 150M/385V 50p

Multi -Caps22(1 MFD Sprag 385V 50p350V 30061+ 300ue M £1.00400V 400M 60p350V 400M 60pThom 35(X)175/100/100/350v £1.00KT3/200/25/25/385v £1.00KT3-K30220+40+40 75p200+200+75+25M 325V £1.00300+300+150+100+50MFD350V £2.00G11 CAP 470/250 £2.5047/220/350v 60p150/150/100/100/100/320v £2.002500/2500/63v 50p150/200/200/300v 796300/100/100/161275v £1.50100/200/325v150/150/100675v £1.50200/200/7525M 375V £1.00Thom TX9 Caps 5(11)+500M 175V £1.00300/300/100/3232/300v 2.001500/2000/30v 50p150/150/100/100/320v £2.00100/350 + 300/200/100/16/275v £2.00225+25/380 GEC 70p2013/100/100/350v £1.50500/50025v 50p150/150MM/300v 7.5p200/150/150/300v 1.00

ITT 8 and 6 Push ButtonPye 725 LOPTsPye 731 LOPTsThorn 11500-8800 LOPTs

£1.00£6.00£6.00£5.00

CMC 301 front panel £5.00CMC 303 front panel £5.00

CMC 302 Panel with TC maim switchetc £5.00

CMD 800 Decoder MOO

G11 £1.50I I.C. Receiver Panel

3 I.C. Power Supply GI I Full RemoteReceiver Panel 53.00

PHILIPS SBC 469 Stereo Microphone£23.00

Meters Hills 520 £17.00Meters Hills 42(1 £10.00Hills HD5000 Digital Meter 1000V DC750AC 10 Amp 211 MRG Rangers £20

HT1110 Multimeter 26.75HT300 Multimeter £7.75HT500 Multimeter £9.0007700 £15.00HD1000 Digital £20.00HD3000 Digital £25.00HD5000 Digital E25.00H135500 £29.00HD6000 Digital £32.00HD8000 Digital £37.00HD9500 Digital with capacity TempTrans Volts Ohms and Amps ranges 160

Infra RedHamel Tester

Works at 24 feet - Sound repeater.Works off 9 volt battery £8.00Fits in top pocket.Handset Tester with LED £4.50

HandsetsPhilips K4-17Ta15350-RC5300,RC5370, RC5375. repaired same day

£10.00RC4001 Full Remote KT3 K30 TeletextHandsets exchanged f15.00NEW Type RC4001 9 CH not 12 £6.00

GEC Full Remote Infra -red. 1983 models£15.00

Timers, 60 mint, mall £1.00

TOSHIBAHAND SETS

24 Button 01938 Fuliremote32 Button C1683 Videotext

£5.00£6.00

THORNVCR Front Display Panel £7.00

Large type ITT TV and V.C.R.Handset £15.00

C ,'C 20-25-30 Mains SwitchesInt a Red and Ultrasonic GII Teletext Decoder PanelRANK & ITT Mains Remote On -Off Switch (720R)RANK & ITT Remote Switch 2800 ohmGII Mains Switch4 amp Mains SwitchGEC Mains Switch 4 amp

MainswitchG8 Mains SwitchG11 Preh Red LED P/Button for C.H. ChangeRANK TOSHIBA Transductors TPC-201IMains Switch ITT Long Type PrintMains Switch Philip Long Type TAGMains Switch GEC Long Type TAG2000 Chassis Fidelity Mains Switch (4 TAG)250V/4A White Lorlin Mains SwitchKT3-K30-K35 Full Remote Mains Switch (6 TAG)Teletext Adaptor Kit TY-5111 PanasonicPhilips Battery Tester All Types and charger vis

£1.50£1.50

50p2Sp

,3.275p20pRip75p75p75p60p60p

11£12£6

GEC Ultrasonic 8CH Full Remote £10.00GI t Full Remote Ultrasonic £32.00GI I Ultrasonic Teletext Handset 120.008 C.H. Ultrasonic GEC Full RemoteC2014H/C2219H MAIONew Replacement for GI I UltrasonicFull Remote 312.00Thom 4000 insert with 7 buttons £5.00Decca RC 11 £14.00Decca RC 12 £14.00GI 1 Infra -red full teletext 520.00Dynatron-Full remote CTV 62, 63, 64

£19.00Hitachi infra red handset £10.00Philips hill remote KT3, 16C928/211C934,7228/7324; K12 26C 797/1ST 66K1826 E12.00GI 1, Full remote top button assy. 112.00011, Full remote repair service (ex changeunit) £18.00GEC infra red full remote 8 channel(I.C.SAA1250) 1E14.00Philips infra red full remote 9 channel for60 CP2605 £6.00Philips infra red full remote 12 channelfor 60 CP2605 £12.00K35KT3/K30 T/Text £15.00KT3/K341 Full remote £15.00KT3 Power supply f.4.00GEC infra -red 2236-2026 £4.00GEC 8 button full remote £14.00GEC push pad handset button blobs 10peachPye & Philips handset KT3-K30 cha.sms.No RC5150-RC5176-RC5171-RC5177.Special Price £13.00RC4001 KT3 and Teletex £14.00IT CVC 32 handset repaired 215.00CVC 32 Hand Set £15.00CVC 453 and 2 PinTX10 Hand Set Text £12.50TX9 with Text £12.50TX9 & TXIO button print 12.00

n -FT/V & Video Processor 12(0 Type 1E10.00

PHILIPSUNIVERSAL HAND SET £12.00 RC5

KT3 - K45We have all parts for Pldllps Handsets

RC5353RC530()Philips RC5

515.00112.00£15.00

TEXT -TYPEReplace Hand Set for

Philips KT3-K311, K4 etc £12.30THORN HAND SETS

9000 - 96(10 -TX9 - TX 10 - TX 101)Text and Non -Text £10.00

PHILIPSRC5171 £12.00

K35 -K4 HAND SETRepaired for L5.00

Tuner UnitsThom DC Tuner V/Cap egv.to ELCI043

14.50Min. UHF Inner 401B gain780/781/2" £1.50VHF -UHF with Data Tuner MECI-F51 £3F400 Family with Data MosfetThom TXIO Export V/Cap UHF. VHF13V/Cap Rank UHF Z77677Unit 14V/Cap Rank VHF Z773T/Unit £5NEW G8 Tuner V/Cap £3.50120 6 Push Button Unit 17ELC2000 on Panel £2.50GEC 2110 V/Cap £5FE6100 £20.00ELCI042 NEW £6.00ELC1043 (Ex Panel) £3.75ELC2000 NEW £4.00ELC2004 NEW 14.00ELC2003 14.00ELC2006 NEW £4.00GEC Tuner V/Cap Hitachi After1979 E1548. ET547. ET541B 08.00ET546 06.00ET614 UHF TunerET566P UHF Very SmallET598P VHF/UHF Very SmallUHF. ET566P, smallASTEC UM1183V314 (VHF)U321U322U341 UHFU342 (UHF)U343 PhonoU343CU3U444I I UHFUVF10U.V. 411 TunerU.V. 412U.V. 415U.V. 417U.V. 418U.V. 617

02.5015.0006.00

£10.00£5.00£6.00MOO£6.00£5.00£5.00£6.00

£10.0014.0018.130

£10.00£8.00£7.00£7.00

£10.00£10.00£12.00

13743 Tuner 17.00Fidelity and Amstrad 2000 WCapTuner 15.00Small V/Cap MitsumiUHF fA.00VHF £3.00

UVHF& HF ET598P Tuner £6.00Portable & rotary Tuners Sanyo & MitsumiUHF 15.00NSF-UHF/VHF Varicap (old type) 18.00Mosfit UHFNHF (new te) /8.00UE2-031 Fidelity ViCapT/Unii £6UHF -VHF V/Caps on panel £3.00HITACHI 20 Turn Pot 1U32I on panel £.6Tuner unit VHS Sylvania GTR VideonMTS 9130 12.50Toshiba VHF -UHF EG522F £5.00Mullard Video Modulator. Application,video tape recorders, TV cameras, videogames, closed circuit TN, C.C.I.R.

7itTat,/10.0014.40

SENDZ COMPONENTS63 Bishopsteignton,

Shoeburyness, ESSEX SS3 8AFSAME DAY SERVICE

All items subject to availability. Technical Information bytelephone only. No Accounts : No Credit Cards

Postal Order/Cheque with orderAdd 15% VAT, then £1 Postage

Add Postage far overseasCallers: To shop at 212 London Rd.,

Southend. Tel. 0702 332992. Fax 0702 338805Open 9-1/2304 GVMT + school orders accepted on official

headings add 10% handling charge.

UHF Tuner GTR SylvaniaF4714A £2

VHF Tuner GTR SylvaniaF3720B £2

Sylvania UHF F4720B £6.00Sylvania VHF 900 £6.00Small Tuner DX 175-220MHzAuto Changeover f.5.009000 Thorn Tuner on Panel £7.00Change over switch co -ax type boxwith lead 50pTHORN 1590 4P.B. Mech. TunerTHORN 3500 4P.B. Mech. TunerAll new & boxed. £4.00 eachDelay LinesDL700 £1.00KT 3 Luminence 75pLuminance Delay Line (CVC 45)Co -Ax Joint 15pCo -Ax Belling Lee Plug 12pCo -Ax Splitter £1.00UHF Modulator CCIR £3.00UHF Modulator Astec 1286 £2.50Infra Red Emitting DiodeNE286H Small Neon Lamps GEC& Philips 5pMullard 5 Watt Amps. LP1162New 75p

T.V. Tubes12" 90% black and white £10lr 110% (No Post) £10Irmo° 31/510 Post £2.50 £512" A31/300 HitachiS.W. Filters S.W. FiltersHW2013 50p SWI85SW453 50p SWI53A 50pSW150 £1 SWIM 50pHW2013 50p SW173 50pRW303 50p F1035B 50p5Y2153 50p F1045A 50p

BF694BF758BF760BFT34BFT43BF184BFW11BFX29BFX84BFY50BFY52BFY90BLY49BPW4IBRC116BRX43BRX48XBRY56BSS68BSY79BSY95aBTY80BSX19IISX20FT3055TCE82TCE5202N9302N22212N22222N29062N30552N35662N37022N371 I2N35832N39042N43552N44422N44442N52782N52962N59832N60992N61092N61302N61332N63482N63992X 2N6099 onheat sink2SA4372SA673P2SA844P2SC643A

10p30p30p15p10pSP

20p30p25p15p20p2.5p25p25p25p15p10p30p10p10p10p20p17p17pNip30p30p

5POp

SP10p00p10p10p10p50p15p10p

£1.00£1.00

20p411p30p40p40p50p20p20p10p

50p20p10p10p

£1.002SA992 10p2SE1407 Sanyo T03 10p2SB474 30p2SB566 10p2SB686 75p2SC5I5A £1.002SCT72 20p2SC381 10p2SC458 50p2SC491 50p2SC732 10p2SC733 10p2SC940 £1.002SC1030 £1.002SCI061 313p2SCI162 C/18 30p2SC1514 30p2-SCI520 25p2SCI5462SC1617 £1.2SCI77-5 20p2SC1740 20p2SC17562SC1942 £15.142SC2027 11.002SC213682SC2073

O20pP

2SC22292SC26882SC37952SC7350250180 TO3 80v/6A2SD2002804012SD7162SD7872SD7892SD8202SD8682SDR702SD8802SD12662SD14152SD14322SDI5762SK30ABC107BC108BC109

C113CII4CII5C116CI 17C119CI25CI 26C139C140C141C143CI47CI48

BC149C153C154C157aC158CI 59CI60/16Cu'7CI72CI73C174CI83CI84C204

BC207C2120213C2I4C237C238C239C250C251C252C262C2636C294C298C300C301C303C307C308C309C327

BC328C328/338 pairC337C338C347C349bC350

15p20p30p15p

15p£2.00£1.00£1.00

30p30p

£1.0075p

£1.0030p

£1.00£1.00£1.00£1.00

10p10p10p5p

10p10p10p10p20p20p10p10p10p30p25p25p10p10p10p10p10p10p10p10p25p5p5p5p5p5p5p5p5p5p5p5p5p5p5p5p5p5p

10p20p30p10p30p30p30p7p7p

10p10p10p15p10p10p10p10p20p

BC365BC368BC369BC384BC394BC413BC4I4BC416BC440BC454BC455BC456BC460BC462BC463BC478BC527BC5328C546BC547BC548BC556BC557BC558BC559BC635BC636BCX31BCX32B D116BD124BDI24 (metal)13DI 30YBD131BD132/238BD135BD136110138BD140BD 1 76BD182BD183BD202BD204BD207BD221BUMBD228BD226BD233BD234BD235BD238BD239BD240BD243c00244BD250aBD252131325313BD331BD3736110416BD433BD437BD438BD439BD544DBD650BD678BD681BD682BD507BD508BD50980510BD5I7BD5I9BD534BD535005440BD562BD610

10p10p

10p10p

10p10p10p10p30p10p10p10p25p10ptop10p10p10p10p10p10p10p10p10p10p10p111p

25p25p25p30p30p25p30p30p25p30p30p30p25p

£1.0070p30p30p60p2.0p30p30p20p30p25p30p343p15p50p30p50p30p20p50p20p20p25p25p25p

50p

50p30p30p30p50p30p30p30p30p30p30,p30p30p30p401

BD646BD676A131380780826BD933BD939BD948BDT31ABDX75BDV64BBDU65BF76I6E769BF788BF819ABF858BF869BFR71BFR52BFR8IBFS60BFT42BFT57BFV1/11BFX85 100V, lampBSD215MR1366AN6350BRC-M-200BRC-M-300BRC 1693BRC 3064BTT822BTT6016BTT60181ML237BBTT6218BTT81240718224BUP22ACA270AECA270CWCA27OCECA920AECA 1310CA3046CA30650CA30514AECA3I23CA3146CA3189CBF16848CD4510CD4555BEDM7492HA1124AHAI196HA1370HAI 377HAI1223HA 11423HA 11440HAI1484HA11485 AntHA 17458HEF4001HEF4518BHBF401IAFHEF4053BHEF4066BPHEF4528HD3890CK5731D 1011012LA3220LA4IO2LA7830LA783ILM1011NLMIII1NLM1017NLM8361PCF8571PM9I3M1024=SAAM1025=SAAM5840A-84RSNiEtzMC1312MC1330 GN76530MC1349MCI 352MCI 358MC1496MCI4002MC14013MC14016MC14066MC14514MCI748MEM4956ML231ETT6016ML232ML236EML237B

50p30p20p50p30p30p30p50p20p50p50p30,p30p20p30p30p30p30p

7p15p10p20p20p30p30p50p20p

£2.0040p50p

£1.00£1.00£1.00£1.20£1.50£1.50£1.0001.00£1.00

50p50p

115250p50p50p50p

114.240p50p30,p30,p50p40p

f-24.°4£3.00

11

£35.°A£1.00

50p10p251,10p30p20p

£1.00

£1.11£2.00£2.00£1.51)£1.0

.3125.0t£5.00£2.00£2.00£2.00£3.00£1.00

75p

51,

£1

£1.0050p15p25p2.5p

50p

£18.

£2.5012.00£1.00£1.00£1.00

I ips Kits 01917rrmus

Phi1R106ABT151/51X101-106 PlasticBTIO6 MetalBT119BT120BRC4443G11 Thkrigr

214444MCR72-6(muTD2OM1D3F8001-1TD3FROORFiC84411705217089617089R1705305P2MRCA UDC Thyristor

C012HCCO24O40R

50p30p20p

£1.0001.00

75p60p

£1.001150£1.00£200£2.00

£2.60MOO

50p

£2.0002.00

llereML238B £4.00ML239 £2.00ML926 £1.410MA884006C £2.00MAB8440 P-EX170 £2.00MAB8441 PTC01 £3.00MAB8420PC035 £2.00MAB8422P-0005 £2.00MAB8440P 12.00MAR8400XX £3.00M708LB1 £2.00MM5387 £1.00MM5611 £1.00MM5840 £3.00PCD857IP 13.00

MAI250K35 PhilipsBJCReceiver IC

645840A-84M5840H-84MM5290N-4MM53108NMN125OBJCMRI366N64110)NE555PNE555NE556NE646HD38980CIL -IOFT600OPTl501PCD13571PSAAfil ISAA65ISAA1020SAA1021SAAI024SAA102.5SAA1073SAA1074SAA1C(75SAA1124SAA1130SAA1174SAA1176SAAI250SAA1251SAAI272SAA1274SAA1276SAA1293SAA3027PSAA5000ASAB30I3SAB3037SABIDASAB3210SAB4209TB00124SAA5000ASAA5010SAA5012ASAA5020SAA5030SAA5040SAA5040ASAA5042ASAA5043SAA5050SAA5051SAA5052SAA5053SAFIO32pSAEKB9SAS560SAS560TSAS57(ITSAS660SAS670SAS580SAS590SAS3210SIA37F%A801SL901BSL97 1 BSL918SL1430511(4793STK5471TA7122TAA320ATAA470TAA570TAA611BTAA621FAA6411A7108PTA7117TA712OPTA73I5APTA7137PTA7240APTA7265TA7609PTA7227PTA7265APTA7680APTA7699PTA7750PTBA120ATBA120ASTBA120SATBA120BTBA120SBTBA120TTBA12S0TBAI2OUTBA1200TBA120CTBA1440TBA1441TBA231TBA3950TBA396QTBA396TBA440PTBA1440CTBA4800TBA520

£3.00£5.00£5.00750

£2

60p60p50p

£35.%ZOp20p20p

£1.75£0.0014.00£280£2.5011.0013.0013.00£25012.501300£2.011£3.00£0.00£3.0013.0013.00£3.00£4.00£15012.00£2.0053.00£2.00£2.00£1.00£2.00£2.20£5.00£130£4.50£330£3.00£3.00£4.00£450£2.00120012.0012.50MOO12.00£1.00

00£1.00

71£2.

7

£4.00£1.0014.50£3.00£4.50£1.00£3.00£3.00£1.15

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