PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936

C PIONEER ELECTRONIC CORPORATION 1998 K-ZZB. DEC. 1998 Printed in Japan

ORDER NO.

CRT2265

HIGH POWER CASSETTE PLAYER WITH FM/MW/LW TUNER

KEH-1800 X1M/EW

ServiceManual

CONTENTS

1. SAFETY INFORMATION............................................2

2. EXPLODED VIEWS AND PARTS LIST ......................2

3. SCHEMATIC DIAGRAM...........................................10

4. PCB CONNECTION DIAGRAM................................18

5. ELECTRICAL PARTS LIST........................................26

6. ADJUSTMENT.........................................................31

7. GENERAL INFORMATION.......................................33

7.1 PARTS ................................................................33

7.1.1 IC ...............................................................33

7.1.2 DISPLAY ...................................................37

7.2 DISASSEMBLY ..................................................38

7.3 BLOCK DIAGRAM .............................................39

8. OPERATIONS AND SPECIFICATIONS....................40

KEH-1830 X1M/EW

NOTE:

- See the separate manual CX-644(CRT1800) for the cassette mechanism description.

- The cassette mechanism assy employed in this model is one of 2M series.

KEH-1800/X1M/EW

2

KEH-1800,1830

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

2

5

43

7

10

1

13

12

11

9

8

1617

14

15

6

18

1. SAFETY INFORMATION

CAUTION

This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repaircomplex products such as those covered by this manual.Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.If you are not qualified to perform the repair of this product properly and safely; you should not risk trying to do soand refer the repair to a qualified service technician.

3

KEH-1800,1830

- PACKING SECTION PARTS LIST

Part.NoMark No. Description KEH-1800/X1M/EW KEH-1830/X1M/EW

1 Cord Assy CDE5807 CDE58072 Accessory Assy CEA1917 CEA19173 Handle CNC5395 CNC53954 Spring CBH1650 CBH16505 Bush CNV3930 CNV3930

6 Screw CBA1304 CBA1304* 7 Polyethylene Bag E36-615 E36-615

8 Carton CHG3621 CHG36229 Contain Box CHL3621 CHL3622

10 Protector CHP1622 CHP1622

11 Protector CHP1623 CHP162312 Polyethylene Bag CEG-162 CEG-16213 Case Assy CXB3520 CXB352014 Owner's Manual CRD2810 CRD281015 Owner's Manual CRD2811 CRD2811

16 Installation Manual CRD2812 CRD2812* 17 Passport CRY1013 CRY1013* 18 Warranty Card CRY1087 CRY1087

NOTE:

- Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List.

- Screws adjacent to ∇ mark on the product are used for disassembly.

- Owner's Manual, Installation ManualModel Part No. LanguageKEH-1800/X1M/EW CRD2810 English,Spanish,DutchKEH-1830/X1M/EW CRD2811 French,Italian,German

CRD2812 English,Spanish,Dutch,French,Italian,German

4

KEH-1800,1830

2.2 EXTERIOR

5

KEH-1800,1830

1 Screw BSZ26P050FMC2 Screw BSZ30P100FMC3 Cord Assy CDE58074 Terminal Cover CKX-0035 Case CNB2481

6 Screw BSZ30P055FUC7 Screw BSZ30P060FMC8 Screw BSZ30P100FMC9 Holder CNC5704

10 Cushion CNM4870

11 Insulator CNM502512 Tuner Amp Unit CWM635113 •••••14 Screw BSZ26P080FMC15 Screw BSZ26P140FMC

16 FM/AM Tuner Unit CWE146617 Holder CNC655418 •••••19 Plug(CN601) CKM127020 Connector(CN604) CKS3362

21 •••••22 Connector(CN603) CKS358123 Antenna Jack(CN301) CKX105624 Panel CNB224625 Holder CNC5399

26 Holder CNC621627 Heat Sink CNC621728 •••••29 Holder CNC684530 Chassis Unit See Contrast table(2)

31 Holder Unit CXB268732 Button CAC483633 Spring CBH183434 Spring CBH183535 Spring CBH1996

36 Bracket CNC613537 Bracket CNC679138 Arm CNV469239 Arm CNV469340 Arm CNV4728

41 Panel Unit See Contrast table(2)42 Door See Contrast table(2)43 Spring CBH183844 Panel See Contrast table(2)45 Screw IMS20P030FZK

46 Detach Grille Assy See Contrast table(2)47 Screw BPZ20P120FZK48 Button(Detachable) See Contrast table(2)49 Button(Eject) See Contrast table(2)50 Button(REW) See Contrast table(2)

51 Button(FF) See Contrast table(2)52 Button(F,A,Cross) See Contrast table(2)53 Button(-,-) See Contrast table(2)54 Button(1-6,D,B) See Contrast table(2)55 Button(+,-) See Contrast table(2)

56 Button(SO/OFF,PGM) See Contrast table(2)57 Spring CBH183658 Spring CBH210359 Grille See Contrast table(2)60 Cover See Contrast table(2)

61 Keyboard Unit See Contrast table(2)62 LCD(LCD901) CAW151363 Connector(CN901) CKS358064 Holder CNC805465 Connector CNV5586

66 Rubber CNV558767 Holder CNV558968 Lighting Conductor CNV575269 Case Assy CXB352070 IC(IC501) TDA7384

71 Fuse(10A)(FU951) CEK113672 Transistor(Q804) 2SD239673 Cassette Mechanism Assy EXK3450

(1) EXTERIOR SECTION PARTS LIST

Mark No. Description Part No. Mark No. Description Part No.

6

KEH-1800,1830

(2) CONTRAST TABLE

KEH-1800/X1M/EW and KEH-1830/X1M/EW are constructed the same except for the following:

Part No.Mark No. Description KEH-1800/X1M/EW KEH-1830/X1M/EW

30 Chassis Unit CXB3226 CXB322741 Panel Unit CXB3714 CXB371642 Door CAT2028 CAT203744 Panel CNS5211 CNS521246 Detach Grille Assy CXB3377 CXB3378

48 Button(Detachable) CAC5868 CAC586949 Button(Eject) CAC5870 CAC587150 Button(REW) CAC5872 CAC587351 Button(FF) CAC5874 CAC587552 Button(Cross,A,F) CAC5876 CAC5877

53 Button(-,-) CAC5878 CAC587954 Button(D,B,1-6) CAC5985 CAC598655 Button(+,-) CAC5882 CAC588356 Button(SO/OFF,PGM) CAC5884 CAC588559 Grille CNS5204 CNS5205

60 Cover CNS5209 CNS521061 Keyboard Unit CWM6273 CWM6275

7

KEH-1800,1830

8

KEH-1800,1830

2.3 CASSETTE MECHANISM ASSY

9

KEH-1800,1830

1 Screw BSZ23P050FMC2 Washer CBG10033 Connector(CN1) CKS28294 Screw(M2x5) EBA10385 Screw(M2x2.5) EBA1037

6 Spring EBH15547 Spring EBH15558 Spring EBH15569 Spring EBH1603

10 Spring EBH1591

11 Spring EBH155912 Spring EBH159313 Spring EBH156114 Spring EBH156215 Spring EBH1563

16 Spring EBH159017 Spring EBH156518 Spring EBH156619 Spring EBH156720 Spring EBH1568

21 Spring EBH156922 Spring EBH157123 Spring EBH157924 Head Base ENC147525 Lever ENC1429

26 Lever ENC143027 Lever ENC143128 Lever ENC143229 Arm ENC143330 Arm ENC1434

31 Arm ENC148032 Arm ENC147633 Bracket ENC151234 Lever ENC152335 Arm ENC1524

36 Frame ENC144037 Holder ENC144138 Lever ENC144639 Lever ENC147840 Belt ENT1027

41 Gear ENV150442 Gear ENV147043 Gear ENV151744 Lever ENV147245 Gear ENV1510

46 Gear ENV147547 Gear ENV151248 Gear ENV151349 Gear ENV150250 Lever ENV1480

51 Lever ENV148752 Pinch Holder Unit EXA151653 Arm ENV1519

* 54 PCB ENP116155 Switch(Eject)(S4) ESG1006

56 Switch(FWD)(REV)(S3) ESH100657 Switch(Load)(S1) ESN101658 Switch(Mute)(S2) ESN101759 Head Assy(HD1) EXA146660 Motor Unit(M1) EXA1467

61 Flywheel Unit EXA154762 •••••63 Arm Unit EXA144764 Arm Unit EXA144865 Arm Unit EXA1550

66 Reel Unit EXA145067 Pinch Holder ENV146668 Pinch Roller ENV151869 Pinch Holder ENV146770 Pinch Holder Unit EXA1515

71 Chassis Unit EXA149872 Arm ENV152473 Washer CBF-16774 Resistor(R1) RD1/4HM472J

75-78 •••••

79 Cover ENC145280 •••••81 Spring EBH159282 Washer CBF1051

Mark No. Description Part No. Mark No. Description Part No.

- CASSETTE MECHANISM ASSY SECTION PARTS LIST

10

KEH-1800,1830

A

1 2 3 4

B

C

D

1 2 3 4

3. SCHEMATIC DIAGRAM

3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS

LIST”.

A-a A-b

A-a A-b

A-b A-a

Large sizeSCH diagram

Guide page

Detailed page

CASSETTEPCB

FM/AM TUNER UNIT

TAPE:-24dBs

A-a

A

B

D

D

TUNER AMP UNIT

KEYBOARD UNIT

TAPE:-25dBsTAPE:-4dBs

FM:+9dBsMW/LW:-1dBs

TAPE:+22dBs

CLOCK

B LOUD PGM ATT

GND RL+

RR+

FR+

FL+

RL

-FL

-FR

-RR

-

ANT

UPBACK

ACC

11

KEH-1800,18305 6 7 8

A

B

C

D

5 6 7 8

A

A-bA

C

C

12

KEH-1800,1830

A

1 2 3 4

B

C

D

1 2 3 4

FM/A

M T

UN

ER

UN

IT

TA

A-a

A-a

A-b

B

13

KEH-1800,18305 6 7 8

A

B

C

D

5 6 7 8

CA

SS

ET

TE

PC

BT

AP

E:-

24d

Bs

A-a

A-a

A-b

D

D

14

KEH-1800,1830

A

1 2 3 4

B

C

D

1 2 3 4

TU

NE

R A

MP

UN

IT

TA

PE

:-25

dB

sT

AP

E:-

4dB

sFM

:+9d

Bs

MW

/LW

:-1d

Bs

TA

PE

:+22

dB

s

GN

DR

L +RR + FR + FL +

RL-FL-FR-RR -

AN

T

UP

BACK

AC

C

A-a

A-b

A-b

A

15

KEH-1800,18305 6 7 8

A

B

C

D

5 6 7 8

KE

YB

OA

RD

UN

IT

CLO

CK

BLO

UD

PG

MA

TT

A-b

A-a

A-b

C

C

16

KEH-1800,1830

A

1 2 3 4

B

C

D

1 2 3 4

3.2 FM/AM TUNER UNIT

B

3

1

2

FM/AM TUNEB

17

KEH-1800,18305 6 7 8

A

B

C

D

5 6 7 8

B

TUNER UNIT

A

18

KEH-1800,1830

A

1 2 3 4

B

C

D

1 2 3 4

ACN901

TUNER AMP UNIT

4. PCB CONNECTION DIAGRAM

4.1 TUNER AMP UNIT

NOTE FOR PCB DIAGRAMS

1. The parts mounted on this PCB

include all necessary parts for

several destination.

For further information for

respective destinations, be sure

to check with the schematic

diagram.

2. Viewpoint of PCB diagrams

CapacitorConnector

P.C.Board Chip Part

SIDE A

SIDE B

A

C

CORD ASSY

19

KEH-1800,18305 6 7 8

A

B

C

D

5 6 7 8

D

A

2

1

3

IP-BUS

CN1

B

SIDE A

20

KEH-1800,1830

A

1 2 3 4

B

C

D

1 2 3 4

A

A TUNER AMP UNIT

21

KEH-1800,18305 6 7 8

A

B

C

D

5 6 7 8

A

SIDE B

22

KEH-1800,1830

A

1 2 3 4

B

C

D

1 2 3 4

4.2 FM/AM TUNER UNITB

SIDE A

B

A

FM/A

M T

UN

ER

UN

IT

23

KEH-1800,18301 2 3 4

A

B

C

D

1 2 3 4

B

SIDE B

B

FM/A

M T

UN

ER

UN

IT

KEH-1800,1830

A

1 2 3 4

B

C

D

1 2 3 4

SO

UR

CE

PG

M

VO

L+

VO

L-A

TT

12

34

56

BAF

LOU

DC

LOC

K

4.3 KEYBOARD UNIT

C

CK

EY

BO

AR

D U

NIT

24

CN

603

A

SIDE BSIDE A

CK

EY

BO

AR

D U

NIT

25

KEH-1800,18301 2 3 4

A

B

C

D

1 2 3 4

D

D CASSETTE PCB

4.4 CASSETTE MECHANISM ASSY

1 3 5 7 9

2 4 6 8 10

CN1S3

FWD/REV SW

S4EJECT SW

R1

S2MUTE SW

D1

S1LOAD SW

M

M1MOTOR

RR

FR

FL

RL

FWD/REVPB HEAD

HD1

CN604A

D 805 Diode MA8091(M)D 806 Diode 1SR139-400D 807 Diode 1SR139-400L 301 Ferri-Inductor LAU101KL 302 Ferri-Inductor LAU2R2K

L 601 Ferri-Inductor LAU101KL 602 Ferri-Inductor LAU101KL 603 Ferri-Inductor LAU101KL 951 Choke Coil 600mH CTH1168X 301 Crystal Resonator 7.200MHz CSS1379

X 601 Ceramic Resonator 4.194MHz CSS1047FU 801 Fuse 2A CEK1176

FM/AM Tuner Unit CWE1466

RESISTORS

R 201 RS1/10S273JR 202 RS1/10S273JR 203 RS1/10S104JR 204 RS1/10S104JR 205 RS1/10S472J

R 206 RS1/10S472JR 207 RS1/10S470JR 208 RS1/10S470JR 209 RS1/10S273JR 210 RS1/10S273J

R 301 RS1/10S272JR 302 RS1/10S272JR 305 RS1/10S0R0JR 306 RD1/4PU222JR 307 RS1/8S222J

R 308 RS1/8S222JR 309 RS1/10S102JR 310 RS1/10S0R0JR 311 RS1/8S272JR 312 RD1/4PU222J

R 314 RS1/8S392JR 315 RS1/10S392JR 316 RS1/10S152JR 317 RS1/10S103JR 318 RS1/10S0R0J

R 319 RS1/10S472JR 320 RS1/10S682JR 321 RS1/10S222JR 322 RS1/10S472JR 323 RS1/10S682J

R 324 RD1/4PU102JR 326 RD1/4PU0R0JR 328 RS1/10S561JR 332 RS1/10S103JR 333 RS1/8S393J

R 334 RD1/4PU562JR 335 RD1/4PU472JR 336 RD1/4PU473JR 338 RD1/4PU104JR 339 RS1/10S473J

26

KEH-1800,1830

5. ELECTRICAL PARTS LIST

NOTE:

- Parts whose parts numbers are omitted are subject to being not supplied.

- The part numbers shown below indicate chip components.

Chip Resistor

RS1/_S___J,RS1/__S___J

Chip Capacitor (except for CQS.....)

CKS....., CCS....., CSZS.....

Unit Number : CWM6351Unit Name : Tuner Amp Unit

MISCELLANEOUS

IC 201 IC LA3161PIC 301 IC PM2006AIC 401 IC SN761029DLIC 501 IC TDA7384IC 601 IC PE5017B

IC 602 IC S-80734ANIC 801 IC TPD1018FQ 301 Transistor 2SC1740SQ 501 Transistor DTC124ESQ 502 Transistor DTC124ES

Q 601 Transistor DTC143TSQ 602 Transistor DTC124ESQ 603 Transistor 2SC1740SQ 611 Transistor 2SC1740SQ 612 Transistor 2SC2412K

Q 613 Transistor 2SC2412KQ 801 Transistor 2SD2037Q 802 Transistor 2SB1243Q 803 Transistor 2SC2412KQ 804 Transistor 2SD2396

Q 805 Transistor 2SA1048Q 806 Transistor 2SC2412KQ 807 Transistor 2SA1674Q 808 Transistor 2SC2412KQ 809 Transistor 2SA933S

Q 810 Transistor 2SB1242Q 811 Transistor DTC143TKD 201 Diode 1SS270D 301 Diode 1SS270D 302 Diode 1SS270

D 601 Diode 1SS270D 602 Diode HZS7L(A1)D 603 Diode 1SS270D 604 Diode 1SS270D 605 Diode 1SS270

D 606 Diode 1SS270D 607 Diode 1SS270D 608 Diode 1SS270D 609 Diode 1SS270D 610 Diode 1SS270

D 611 Diode 1SS270D 612 Diode HZS9L(A2)D 613 Diode HZS7L(C3)D 614 Diode HZS7L(A1)D 615 Diode 1SS270

D 616 Diode 1SS270D 801 Diode 1SR139-400D 802 Diode 1SR139-400D 803 Diode 1SR139-400D 804 Diode MA8056(H)

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

A

27

KEH-1800,1830

R 340 RS1/10S473JR 341 RS1/10S681JR 342 RS1/10S681JR 343 RD1/4PU681JR 344 RD1/4PU681J

R 345 RD1/4PU222JR 346 RS1/8S472JR 349 RD1/4PU102JR 350 RS1/10S510JR 351 RS1/10S0R0J

R 352 RS1/10S0R0JR 353 RS1/10S0R0JR 354 RD1/4PU102JR 355 RS1/8S0R0JR 403 RS1/10S272J

R 404 RS1/10S272JR 405 RS1/10S151JR 406 RS1/10S151JR 407 RS1/10S221JR 408 RS1/10S221J

R 501 RD1/4PU103JR 502 RS1/10S153JR 503 RS1/10S221JR 504 RS1/10S101JR 505 RS1/8S103J

R 601 RS1/10S473JR 613 RS1/10S473JR 614 RS1/10S473JR 615 RS1/10S222JR 616 RS1/10S222J

R 617 RS1/10S222JR 618 RD1/4PU103JR 619 RS1/8S473JR 620 RS1/10S473JR 621 RD1/4PU104J

R 622 RS1/10S473JR 623 RD1/4PU473JR 624 RS1/10S332JR 625 RS1/10S102JR 630 RD1/4PU152J

R 631 RS1/10S102JR 632 RS1/10S124JR 655 RS1/10S223JR 656 RS1/10S103JR 657 RD1/4PU472J

R 658 RS1/10S473JR 659 RS1/10S223JR 660 RD1/4PU473JR 661 RS1/10S473JR 662 RD1/4PU223J

R 663 RD1/4PU473JR 664 RS1/10S222JR 673 RS1/10S0R0JR 801 RD1/4PU102JR 802 RS1/10S472J

R 803 RS1/10S101JR 804 RD1/4PU332JR 805 RS1/10S103JR 806 RD1/4PU102JR 807 RD1/4PU122J

R 808 RS1/10S103JR 809 RS1/10S102JR 810 RD1/4PU473JR 812 RS1/10S103JR 813 RS1/10S102J

R 814 RS1/10S473JR 816 RS1/10S472JR 817 RS1/10S223JR 818 RS1/10S222JR 819 RS1/10S472J

R 820 RD1/4PU102JR 821 RD1/4PU1R5JR 822 RD1/4PU1R5JR 823 RD1/4PU1R0JR 824 RS1/10S103J

R 825 RS1/10S103J

CAPACITORS

C 201 CKSQYB681K50C 202 CKSQYB681K50C 203 CEJA2R2M50C 204 CEJA2R2M50C 205 CKSQYB333K50

C 206 CKSQYB333K50C 207 CEJA101M10C 208 CEJA101M10C 209 CEJA1R0M50C 210 CEJA1R0M50

C 211 CEJA101M10C 301 CKSQYB223K50C 302 CKSQYB223K50C 303 CKSQYB223K50C 307 CKSQYB103K50

C 308 CCSQCH101J50C 311 CCSQCH101J50C 313 CKSQYB223K50C 314 CKSQYB473K50C 315 CEJA220M6R3

C 316 CKSQYB103K50C 317 CKSQYB103K50C 318 CKSQYB102K50C 319 CEJA220M10C 320 CCSQCH150J50

C 321 CCSQCH150J50C 322 CKSQYB103K50C 324 CEJAR47M50C 325 4.7µF/16V CCH1250C 326 CKSQYB103K50

C 328 CKLSR473K16C 331 CKSQYB104K16C 332 CEJA220M6R3C 333 CKSQYB103K50C 334 CEJA220M6R3

C 335 CKSQYB103K50C 336 CKSQYB223K50C 337 CKSQYB103K50C 340 4.7µF/16V CCH1165C 341 CKSQYB103K50

C 342 CKSQYB473K50C 343 CKSQYB102K50C 401 CEJA2R2M50C 402 CEJA2R2M50C 403 CEJA100M16

C 404 CEJA100M16C 405 CKSQYB822K50C 406 CKSQYB822K50C 407 CEJA1R0M50C 408 CEJA1R0M50

C 409 CKSQYB183K50C 410 CKSQYB183K50C 411 CKSQYB104K16C 412 CKSQYB104K16C 413 CKSQYB104K16

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

28

KEH-1800,1830

C 414 CKSQYB104K16C 415 CEJA100M16C 416 CEJA2R2M50C 417 CKSQYB473K50C 418 CKSQYB104K16

C 419 CEJA470M10C 420 CEJA2R2M50C 423 CKSYB105K16C 424 CKSYB105K16C 501 CKSYB224K16

C 502 CKSYB224K16C 503 CKSYB224K16C 504 CKSYB224K16C 505 CEJA1R0M50C 506 CKSYB105K16

C 507 CEJA100M16C 508 CEJA330M10C 510 CKSQYB104K16C 601 CCSQCH101J50C 602 CEJA4R7M35

C 604 CCSQCH101J50C 606 CKSQYB104K16C 607 CKSQYB224K16C 608 CEJA2R2M50C 620 CCSQCH101J50

C 621 CCSQCH101J50C 623 CKSQYB102K50C 801 3300µF/16V CCH1018C 802 470µF/16V CCH1183C 803 CKSQYB102K50

C 804 CKSQYB473K50C 805 CEJA101M10C 806 CKSQYB103K50C 807 330µF/10V CCH1181C 808 CKSQYB103K50

C 809 CKSQYB104K16C 811 100µF/16V CCH1179

Unit Number : CWM6273(KEH-1800/X1M/EW)Unit Name : Keyboard Unit

MISCELLANEOUS

IC 901 IC PD6293AD 901 Diode STZ6R2NL 901 Ferri-Inductor LAU101KX 901 Ceramic Resonator 4.97MHz CSS1422IL 901 Lamp 14V 40mA CEL1547

IL 902 Lamp 14V 40mA CEL1547IL 903 Lamp 14V 40mA CEL1547IL 904 Lamp 14V 40mA CEL1547LCD 901 LCD CAW1513

RESISTORS

R 901 RS1/10S222JR 902 RS1/10S222JR 903 RS1/10S472JR 906 RS1/10S473JR 907 RS1/10S473J

R 908 RS1/10S473JR 909 RS1/10S473JR 910 RS1/10S473JR 911 RS1/10S473JR 912 RS1/10S473J

R 913 RS1/10S0R0JR 915 RS1/10S0R0J

CAPACITORS

C 901 CEAL100M16C 904 CKSQYB104K16C 905 CKSQYB102K50C 906 CCSCH101J50

Unit Number : CWM6275(KEH-1830/X1M/EW)Unit Name : Keyboard Unit

MISCELLANEOUS

IC 901 IC PD6293AD 901 Diode STZ6R2NL 901 Ferri-Inductor LAU101KX 901 Ceramic Resonator 4.97MHz CSS1422IL 901 Lamp 8V 100mA CEL1479

IL 902 Lamp 8V 100mA CEL1479IL 903 Lamp 8V 100mA CEL1479IL 904 Lamp 8V 100mA CEL1479LCD 901 LCD CAW1513

RESISTORS

R 901 RS1/10S222JR 902 RS1/10S222JR 903 RS1/10S472JR 906 RS1/10S473JR 907 RS1/10S473J

R 908 RS1/10S473JR 909 RS1/10S473JR 910 RS1/10S473JR 911 RS1/10S473JR 912 RS1/10S473J

R 913 RS1/10S0R0JR 915 RS1/10S0R0J

CAPACITORS

C 901 CEAL100M16C 904 CKSQYB104K16C 905 CKSQYB102K50C 906 CCSCH101J50

Unit Number : CWE1466Unit Name : FM/AM Tuner Unit

MISCELLANEOUS

IC 1 IC PA4023BIC 2 IC PA4024AQ 1 Transistor 2SC2412KQ 2 Transistor DTC124EUQ 3 FET 3SK263

Q 31 Transistor 2SC2412KQ 154 Transistor DTC124EUQ 165 Transistor 2SC2412KQ 201 FET 2SK932Q 202 Transistor 2SC2412K

Q 203 Transistor DTC124EUD 4 Diode 1SV250D 5 Diode KV1410-F1D 7 Diode KV1410-F1D 8 Diode KV1410-F1

D 201 Diode MA157D 202 Diode MA157D 231 Diode SVC253L 2 Coil CTC1133L 3 Inductor LCTB2R2K2125

L 4 Coil CTC1133L 5 Coil CTC1132L 6 Inductor LCTBR15K1608L 51 Ferri-Inductor LAU150KL 201 Ferri-Inductor LAU4R7K

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

CB

C

29

KEH-1800,1830

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

L 202 Ferri-Inductor LAU330KL 203 Inductor CTF1287L 208 Inductor LAU121KL 231 Inductor LCTA3R3J3225T 31 Coil CTE1116

T 51 Coil CTC1136TC 1 Trimmer CCL1046CF 51 Ceramic Filter CTF1442CF 52 Ceramic Filter CTF1442CF 53 Ceramic Filter CTF1442

CF 232 Ceramic Filter CTF1348X 151 Radiator 918.5Hz CSS1365X 231 Crystal Resonator 10.26MHz CSS1111VR 154 Semi-fixed 150kΩ(B) CCP1213AR 1 Capacitor with Discharge Gap DSP-201M

RESISTORS

R 1 RS1/16S0R0JR 4 RS1/16S154JR 5 RS1/16S391JR 6 RS1/16S223JR 7 RS1/16S123J

R 8 RS1/16S332JR 9 RS1/16S473JR 10 RS1/16S223JR 11 RS1/16S124JR 13 RS1/16S563J

R 15 RS1/16S271JR 16 RS1/16S104JR 17 RS1/16S332JR 18 RS1/16S332JR 31 RS1/16S470J

R 32 RS1/16S822JR 33 RS1/16S822JR 34 RS1/16S331JR 35 RS1/16S331JR 51 RS1/16S271J

R 52 RS1/16S560JR 55 RS1/16S102JR 56 RS1/16S823JR 61 RS1/16S392JR 62 RS1/16S393J

R 101 RS1/16S272JR 102 RS1/16S682JR 103 RS1/16S333JR 104 RS1/16S334JR 105 RS1/16S683J

R 107 RS1/16S222JR 151 RS1/16S222JR 152 RS1/16S393JR 154 RS1/16S104JR 155 RS1/16S273J

R 156 RS1/16S243JR 157 RS1/16S203JR 160 RS1/16S222JR 161 RS1/16S563JR 162 RS1/16S105J

R 163 RS1/16S222JR 202 RS1/16S223JR 203 RS1/16S225JR 204 RS1/16S103JR 206 RS1/16S220J

R 207 RS1/16S101JR 208 RS1/16S102JR 209 RS1/16S471JR 214 RS1/16S822JR 215 RS1/16S822J

R 217 RS1/16S102JR 231 RS1/16S272JR 232 RS1/16S473JR 237 RS1/16S103JR 238 RS1/16S104J

R 239 RS1/16S104JR 240 RS1/16S332JR 241 RS1/16S202JR 243 RS1/16S123JR 244 RS1/16S103J

R 247 RS1/16S123J

CAPACITORS

C 1 CCSQCH6R0D50C 2 CCSRCK2R0C50C 4 CCSRCH820J50C 6 CCSRCH820J50C 8 CKSRYB103K25

C 9 CKSQYB104K16C 10 CCSRCKR50C50C 11 CEJA1R0M50C 13 CKSRYB222K50C 14 CCSRCH220J50

C 16 CCSRCH8R0D50C 17 CKSRYB222K50C 18 CKSRYB103K25C 19 CKSRYB222K50C 20 CKSRYB222K50

C 21 CEJA100M16C 22 CCSRTH9R0D50C 23 CCSRTH120J50C 24 CCSRCH471J50C 25 CKSRYB103K25

C 31 CKSRYB103K25C 32 CKSQYB472K50C 33 CCSRCH5R0C50C 34 CKSQYB104K16C 36 CCSRRH201J50

C 51 CKSRYB223K25C 52 CKSRYB103K25C 54 CCSRCH470J50C 55 CKSQYB223K25C 56 CKSQYB104K16

C 57 CKSRYB472K50C 58 CEJA330M10C 59 CKSRYB103K25C 61 CCSRCH270J50C 62 CKSRYB103K25

C 63 CEJAR15M50C 101 CEJANP100M10C 102 CKSRYB182K50C 103 CKSRYB682K25C 104 CEJA2R2M50

C 105 CKSRYB103K25C 106 CCSRCH151J50C 107 CKSRYB103K25C 151 CKSRYB472K50C 152 CKSQYB104K16

C 153 CEJA3R3M50C 154 CKSQYB104K16C 157 CEJA3R3M50C 158 CKSYB474K16C 159 CEJA220M6R3

C 160 CKSQYB104K16C 161 CKSQYB104K16C 162 CEJA3R3M50C 163 CKSRYB102K50C 170 CCSRCH100D50

30

KEH-1800,1830

C 201 CCSRCH471J50C 202 CCSRCH100D50C 203 CKSRYB332K50C 204 CKSQYB473K16C 205 CKSQYB473K16

C 206 CKSQYB104K16C 207 CCSRCH560J50C 209 CKSQYB104K16C 211 CCSRCH101J50C 212 CEJA470M6R3

C 213 CKSRYB103K25C 216 CCSRCH101J50C 217 CEJA1R5M50C 219 CCSRCH471J50C 220 CKSRYB103K25

C 230 CKSRYB103K25C 231 CCSRCH330J50C 232 CCSRCH150J50C 233 CKSQYB104K16C 234 CEJA330M10

C 235 CKSRYB332K50C 236 CKSQYB473K16C 237 CCSRCH120J50C 239 CKSRYB472K50C 240 CEJAR47M50

C 241 CKSQYB104K16C 242 CEJAR47M50C 243 CEJAR33M50C 244 CKSQYB473K16C 245 CKSRYB123K25

C 246 CKSQYB473K16C 250 CCSRCH471J50

Unit Number :Unit Name : Cassette PCB

S 1 Switch(Load) ESN1016S 2 Switch(Mute) ESN1017S 3 Switch(FWD/REV) ESH1006S 4 Switch(Eject) ESG1006R 1 RD1/4HM472J

Miscellaneous Parts List

M 1 Motor Unit EXA1467HD 1 Head Assy EXA1466FU 951 Fuse 10A CEK1136

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

D

31

KEH-1800,1830

FM/A

M T

UN

ER

UN

IT

4Ω

4Ω

Lch +

Lch -

Rch +

Rch -

BACK UP

ACC

GND

+14.4V

GND

Antenna

mV Meter (1) Oscilloscope

DC RegulatedPower Supply

TUNER AMP UNIT

50Ω(75Ω)

FM SSGStereoModulator

50Ω(37.5Ω)Antenna

Dummy Antenna

FM/AM TUNER UNIT (TOP VIEW)

T31

T51

C63

T51 CenterMeter

FM/AM TUNER UNIT (BOTTOM VIEW)

Pin1

Pin13

Pin14

Pin 19

Pin26L2

L4

L5

VR154

TC1

DC VMeter(1)

6. ADJUSTMENT

- Connection Diagram

32

KEH-1800,1830

FM ADJUSTMENT

Modulation M:MONO MOD., 400Hz 30%(22.5kHz Dev.) or 400Hz 100%(75kHz Dev.)

S:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.)

NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow

the circuits to stabilize.

FM SSG Displayed Adjustment Adjustment Method

No. Frequency(MHz) Level(dBf) Frequency(MHz) Point (Switch Position)

TUN Volt 1 ••••• ••••• 108.0 L5 DC V Meter(1) : 6V

IF 2 98.1 M 60—100 98.1 T51 Center Meter : 0

ANT Coil 3 98.1 M 5 98.1 L2 mV Meter(1) : Maximum

RF Coil 4 98.1 M 5 98.1 L4 mV Meter(1) : Maximum

RF 5 129.3 M 60—80 107.9 TC1 mV Meter(1) : Minimum

Trimmer

6 RF Coil and RF Trimmer shall be adjusted twice or more

IFT 7 98.1 M 5 98.1 T31 mV Meter(1) : Maximum

(STEREO MODE)

ARC 8 98.1 S 40 98.1 VR154 mV Meter(1) : Separation 5dB

(STEREO MODE)

33

KEH-1800,1830

7. GENERAL INFORMATION

7.1 PARTS

7.1.1 IC

SN761029DL

4847

4645

4443

4241

4039

3837

3635

3433

3231

3029

2827

2625

12

34

56

78

910

1112

1314

1516

1718

1920

2122

2324

VCCAVcc

IN1-RIN1-L

IN2-RIN2-L

IN3-RIN3-L

IN4(+)-RIN4(+)-L

IN4(-)-RIN4(-)-L

AGNDAGND

SWout-RSWout-L

ZCin-RZCin-L

LOUD-RLOUD-L

VRin-RVRin-L

TREB-RTREB-L

BASS-C1-RBASS-C1-L

BASS-R-RBASS-R-L

BASS-C2-RBASS-C2-L

NCNC

TONEout-RTONEout-L

FADERin-RFADERin-L

FRNTout-RFRNTout-L

REARout-RREARout-L

DVccVREFin

DATAAGND

CLKDGND

STBCt

3 Line S

erial Bu

s

Bass

Treb

le V

olu

me,

Lou

dn

ess Fad

er

Gain

Ad

just

Isolato

r

Zero

-cross

Detecto

r

Po

wer

Su

pp

ly

Bass

Treb

le V

olu

me,

Lou

dn

ess Fad

er

Gain

Ad

just

Isolato

r

Po

wer

Su

pp

ly

A

A

34

KEH-1800,1830

- Pin Functions(PE5017B)Pin No. Pin Name I/O Format Function and Operation

1,2 NC Not used3 ADPW A/D converter power4 GND GND

5,6 NC Not used7 AVREF1 (Connect to VDD)8 KYDT I Key data input9 DPDT O C Display data output

10 dsens I Grille detach sense input11 TUNPDI I PLL IC data input12 TUNPDO O C PLL IC data output13 TUNPCK O C PLL IC clock output14 TUNPCE O C PLL IC chip enable output

15-21 NC Not used22 swvdd O C Grille power supply control output23 NC Not used24 VDT O C Data output for electronic volume25 VCK O C Clock output for electronic volume26 VST O C Strobe pulse output for electronic volume27 SYSPW O C System power supply control output28 mute O C System mute output29 DMINH O C Mechanism mute cancel output

30–32 NC Not used33 GND GND

34–37 NC Not used38 FM O C FM power control output39 AM O C AM power control output

40–49 NC Not used50 eject I Eject key input51 tapld I Tape loading input52 MECPW O C Cassette mechanism power output53 mcmut I Mechanism mute input54 NOR/rev I Normal reverse input

55-59 NC Not used60 reset I Reset input

61,62 NC Not used63 CLKIN I Clock input64 asens I ACC power sense input65 bsens I Back up power sense input66 SD I SD input 67 st I FM stereo input68 VDD Power supply69 X2 Oscillator output70 X1 Oscillator input71 GND GND72 NC Not used73 TESTIN I Test program mode input74 AVDD A/D converter analog power supply (VDD)75 AVREF0 (A/D converter standard voltage input)76 SL I Signal level input77 MODEL I Model select input

78–80 NC Not used

35

KEH-1800,1830

- Pin Functions (PD6293A)Pin No. Pin Name I/O Function and Operation

1–5 SEG4-0 O LCD segment output 4-06–8 COM1-3 O Common driver output 1-3

9 COM0 O Common driver output 010 LCDB LCD bias power supply

11–14 KS3-0 O Key strobe output 3-015,16 KDT0,1 I Key data input 0,1

17 REM I Remote control reception18 DPDT I Display data input19 NC Not used20 KYDT O Key data output21 MODA GND22 X0 Crystal oscillator connection pin23 X1 Crystal oscillator connection pin24 VSS GND

25,26 KDT2,3 I Key data input 2,327,28 KST5,4 O Key strobe output 5,429–55 SEG39-13 O LCD segment output 39-13

56 VCC 5V57–64 SEG12-5 O LCD segment output 12-5

IC's marked by* are MOS type.

Be careful in handling them because they are very

liable to be damaged by electrostatic induction.

801

20

21 40

41

60

61

*PE5017B

Format Meaning

C C MOS

*PD6293A

49

4833

32

17

16 1

64

36

KEH-1800,1830

PA4023B

37

KEH-1800,1830

7.1.2 DISPLAY

- CAW1513S

EG

ME

NT

CO

MM

ON

38

KEH-1800,1830

7.2 DISASSEMBLY

- Removing the Tuner Amp Unit(Fig.2)

Removing the two screws.

Removing the three screws.

Removing the screw.

Unbend the tabs at four locations indicated

by arrow until straight.

Remove the Tuner Amp Unit.

- Removing the Case(not shown)

1.Remove the three screws.

2.Remove the Case.

- Removing the Cassette Mechanism Assy

(not shown)

1.Remove the four screws.

2.Disconnect the connector, and then removing the

Cassette Mechanism Assy.

- Removing the Panel Unit(Fig.1)

Disengage the stopper at two locations

indicated

Remove the Panel Unit.

Fig.1

Fig.2

Panel Unit

Tuner Amp Unit

39

KEH-1800,1830

7.3 BLOCK DIAGRAM

- KEH-1800/X1M/EW

A

B

D

C

40

KEH-1800,1830

8. OPERATIONS AND SPECIFICATIONS1.

Th

isU

nit

2.A

nte

nn

aja

ck

3.C

on

nec

tle

ads

of

the

sam

eco

lor

toea

cho

ther

.

5.C

ap

6.Ye

llow

Tote

rmin

alal

way

ssu

pp

lied

wit

hp

ow

er7.

Yello

wB

ack-

up

(or

acce

sso

ry)

8.R

edTo

elec

tric

term

inal

con

tro

lled

by

ign

itio

nsw

itch

(12

VD

C)

ON

/OFF

.9.

Red

Acc

esso

ry(o

rB

ack-

up

)

5

67

89

No

te:

Dep

end

ing

on

the

kin

do

fve

hic

le,t

he

fun

ctio

no

f7

and

9m

ayb

ed

iffe

ren

t.If

this

isth

eca

se,b

esu

reto

con

nec

t6

to9

and

7to

8.W

hen

the

po

wer

cord

of

the

oth

erp

rod

uct

isco

nn

ecte

dto

term

inal

5,ch

eck

the

fun

ctio

no

fth

ete

rmin

al5

(Bac

ku

po

rA

cces

sory

)b

efo

reh

and

.

4.

11.IS

Oco

nn

ecto

rN

ote

:In

som

eve

hic

les,

the

ISO

con

nec

tor

may

be

div

ided

into

two

.If

this

isth

eca

se,b

esu

reto

con

nec

tto

bo

thco

nn

ecto

rs.

12.S

pea

ker

lead

sW

hit

e:Fr

on

tle

ft+

Wh

ite/

bla

ck:F

ron

tle

ft≠

Gra

y:Fr

on

tri

gh

t+

Gra

y/b

lack

:Fro

nt

rig

ht

≠G

reen

:Rea

rle

ft+

Gre

en/b

lack

:Rea

rle

ft≠

Vio

let:

Rea

rri

gh

t+

Vio

let/

bla

ck:R

ear

rig

ht≠

13.B

lue/

wh

ite

ToA

uto

-an

ten

na

rela

yco

ntr

olt

erm

inal

.(M

ax.3

00m

A12

VD

C)

10.B

lack

Tove

hic

le(m

etal

)b

od

y.

14.F

use

CAU

TIO

N•

Co

rds

for

this

un

it a

nd

th

ose

fo

r o

ther

un

its

may

be

dif

fere

nt

colo

rs e

ven

if t

hey

hav

e th

e sa

me

fun

ctio

n.

Wh

en c

on

nec

tin

g t

his

un

it t

o a

no

ther

un

it, r

efer

to

the

sup

plie

d In

stal

lati

on

man

ual

s o

f b

oth

un

its

and

con

nec

t co

rds

that

hav

e th

e sa

me

fun

ctio

n.

Conn

ectio

n D

iagr

am

41

KEH-1800,1830

Key

Fin

der

Cas

sette

door

Eje

ctbu

tton

LO

UD

butto

n

CL

OC

Kbu

tton

Func

tion

butto

n

SOU

RC

Ebu

tton

+/–

butto

ns

AU

DIO

butto

n

BA

ND

butto

n

But

tons

1–6

AT

Tbu

tton

Det

ach

butto

n

Prog

ram

mab

lebu

tton

5/∞

/2/3

butto

ns

!/⁄

butto

ns

Usi

ng th

e C

asse

tte P

laye

r

Bas

ic O

pera

tion

of C

asse

tte P

laye

r

1.In

sert

the

cas

sett

e ta

pe.

2.Sw

itch

tap

e pl

ayba

ck f

rom

sid

e A

to

side

B, o

r vi

ce v

ersa

.

3.R

aise

or

low

er t

he v

olum

e.

4.R

emov

e th

e ca

sset

te t

ape.

Not

e:•

The

Tap

e fu

nctio

n ca

n be

turn

ed O

N/O

FF w

ith th

e ca

sset

te ta

pe r

emai

ning

in th

ispr

oduc

t.

Sam

e T

ime

42

KEH-1800,1830

Tun

er O

pera

tion

Bas

ic O

pera

tion

of T

uner

1.Se

lect

Tun

er.

The

pro

gram

ser

vice

nam

e or

fre

quen

cy a

ppea

rs o

n th

e di

spla

y.(“

ST

ER

EO

” in

dica

tor

light

s w

hen

a st

ereo

sta

tion

is s

elec

ted.

)

2.Se

lect

the

des

ired

ban

d.

3.Tu

ne t

he r

ecei

ver

to a

hig

her

or lo

wer

fre

quen

cy.

Thi

s pr

oduc

t’s tu

ner

lets

you

sel

ect t

he tu

ning

by

chan

ging

the

leng

th o

f th

etim

e yo

u pr

ess

the

butto

n.

Man

ual T

unin

g (s

tep

by s

tep)

0.3

seco

nds

or le

ss

Seek

Tun

ing

0.3

– 2

seco

nds

Man

ual T

unin

g (c

ontin

uous

ly)

2 se

cond

s or

mor

e

Not

e:•

To s

elec

t a w

eak

broa

dcas

ting

stat

ion

that

can

not b

e tu

ned

in w

ith th

e Se

ekT

unin

g fu

nctio

n, tu

ne in

with

Man

ual T

unin

g.

FI=

FII=

FIII

=M

W/L

W

Eac

h pr

ess

chan

ges

the

Sour

ce ..

.

4.R

aise

or

low

er t

he v

olum

e.

5.Tu

rn t

he s

ourc

e O

FF.

Hol

d fo

r 1

seco

nd

43

KEH-1800,1830

Aud

io A

djus

tmen

t

Sele

ctin

g th

e M

ode

•Se

lect

the

mod

e yo

u w

ant

to a

djus

t.

Eac

h pr

ess

of th

e A

UD

IO b

utto

n se

lect

s th

e m

ode

in th

e fo

llow

ing

orde

r:Fa

der/

Bal

ance

=B

ass

=T

rebl

e =

Lou

dnes

s

Whe

n au

dio

mod

es a

re s

elec

ted

for

adju

stm

ent,

the

setti

ng r

etur

ns to

the

norm

al d

ispl

ay a

fter

30

seco

nds.

Bal

ance

Adj

ustm

ent

Thi

s fu

nctio

n al

low

s yo

u to

sel

ect a

Fad

er/B

alan

ce s

ettin

g th

at p

rovi

des

idea

l lis

teni

ng c

ondi

tions

in a

ll oc

cupi

ed s

eats

.

1.Se

lect

the

Fad

er/B

alan

ce m

ode.

Aft

er a

djus

tmen

t use

the

BA

ND

but

ton

to r

etur

n to

the

norm

al d

ispl

ay.

2.Sh

ift

the

bala

nce

prog

ress

ivel

y to

the

fro

nt o

r re

ar s

peak

ers.

“FA

D F

15”

– “F

AD

R15

” is

dis

play

ed a

s it

mov

es f

rom

fro

nt to

rea

r.

Not

e:•

“FA

D 0

0” is

the

prop

er s

ettin

g w

hen

2 sp

eake

rs a

re in

use

.

3.Sh

ift

the

bala

nce

to t

he le

ft o

r ri

ght

spea

ker,

res

pect

ivel

y.

“BA

L L

9” –

“B

AL

R9”

is d

ispl

ayed

as

it m

oves

fro

m le

ft to

rig

ht.

Eac

h pr

ess

chan

ges

the

Mod

e ...

Aud

io A

djus

tmen

t

Bas

s/Tr

eble

Adj

ustm

ent

Thi

s pr

oduc

t is

equi

pped

with

two

tone

adj

ustm

ent m

odes

, the

Bas

sA

djus

tmen

t and

Tre

ble

Adj

ustm

ent m

odes

.

1.Se

lect

“B

ass

Adj

ustm

ent

mod

e” o

r “T

rebl

e A

djus

tmen

t m

ode”

.A

fter

adj

ustm

ent u

se th

e B

AN

D b

utto

n to

ret

urn

to th

e no

rmal

dis

play

.

2.In

crea

se o

r de

crea

se t

he in

tens

ity

of t

he b

ass

or t

rebl

e,w

hich

ever

is s

elec

ted.

The

dis

play

sho

ws

“+6”

–“–

6”.

3.R

epea

t st

eps

1 –

2 ab

ove

for

the

othe

r B

ass

or T

rebl

eA

djus

tmen

t m

ode.

Loud

ness

Adj

ustm

ent

The

Lou

dnes

s fu

nctio

n co

mpe

nsat

es f

or d

efic

ienc

ies

in th

e lo

w a

nd h

igh

soun

d ra

nges

at l

ow v

olum

e.

1.Se

lect

the

Lou

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KEH-1800,1830

Specifications

GeneralPower source .......... 14.4 V DC (10.8 – 15.1 V allowable)Grounding system ........................................ Negative typeMax. current consumption ........................................ 8.5 ADimensions

(mounting size) ...... 178 (W) × 50 (H) × 150 (D) mm(front face) .............. 188 (W) × 58 (H) × 19 (D) mm

Weight ...................................................................... 1.2 kg

AmplifierMaximum power output ...................................... 40 W × 4Continuous power output .................................... 22 W × 4

(DIN45324, +B=14.4 V)Load impedance .......................... 4 Ω (4 – 8 Ω allowable)Tone controls

(Bass) .............................................. ±12 dB (100 Hz)(Treble) ............................................ ±12 dB (10 kHz)

Loudness contour ........ +10 dB (100 Hz), +7 dB (10 kHz)(volume: –30 dB)

Cassette playerTape ........................ Compact cassette tape (C-30 – C-90)Tape speed ........ 4.76 cm/sec.(+0.14cm/sec.,-0.05cm/sec.)Fast forward/rewinding time ...... Approx. 90 sec. for C-60Wow & flutter .......................................... 0.13% (WRMS)Frequency response .................... 40 – 14,000 Hz (±3 dB)Stereo separation ...................................................... 45 dBSignal-to-noise ratio .................... 52 dB (IEC-A network)

FM tunerFrequency range ...................................... 87.5 – 108 MHzUsable sensitivity

.................. 11 dBf (1.0 µV/75 Ω, mono, S/N: 30 dB)50 dB quieting sensitivity .... 16 dBf (1.7 µV/75 Ω, mono)Signal-to-noise ratio ...................... 70 dB (IEC-A network)Distortion .......................... 0.3% (at 65 dBf, 1 kHz, stereo)Frequency response ...................... 30 – 15,000 Hz (±3 dB)Stereo separation .......................... 40 dB (at 65 dBf, 1 kHz)

MW tunerFrequency range ...................................... 531 – 1,602 kHzUsable sensitivity .............................. 18 µV (S/N: 20 dB)Selectivity .................................................. 50 dB (±9 kHz)

LW tunerFrequency range ........................................ 153 – 281 kHzUsable sensitivity .............................. 30 µV (S/N: 20 dB)Selectivity .................................................. 50 dB (±9 kHz)

Note:• Specifications and the design are subject to

possible modification without notice due toimprovements.