9. SCHEMATIC DIAGRAMS

9-l.

9-2.

9-3.

9-4.

9-5.

9-6.

9-7.

9-8.

9-9.

9-l 0.

9-11.

9-12

Page

l SEMICONDUCTOR -I------------------ g-1

+ BLOCK 1DENTlFlCATlON OF MAIN PCB - - - - - 9-2

S.M.RS/POWER “““““““““““” g-3

SY~MCOTR()L ------~~~~~~~~--~~~-~~~ g-4

SERVO -----~.--~~~~~~--I.--~~~~~~~~~~ 9-6

VlDEO(SV-20P/VT-K35) - - - - - - - - - - - - - - - - - - 9-8

VlDEO(SV-SOP/VT-K55/SV-61P/vTIK-45) - - - - - - g-10

REMOTE CONTROL(SV-2OP/VT=K35) - - - - - - - - 9-18

REMOTE CONTROL (W-61 P~K45/SWOP/VT-KS) - - - - - g-1 g

9-l

t NPN TYPE 1

IRI R2

KSRlOOl 4.7K 497K

1 KSRiO02 IlOK /IOK ]

] KSR1004 ]47K 147K 1

KSC945KSC1008

8

KSC2328

~

E8C

ECB

HP N

Rl R2

KSR2001 4.7K 4.7K

KSR2002 IOK 10K

1 KSR2004 147K 147K 1

2SDl468KSA733

IC

B .QE

I* CHIP TR 1.KSR2102

KSA928KSR1104

EC

6

EBC

6

.

ECB

NOTE .

o For Schematic Diagram- Resistors are in ohms, l/SW unless otherwise noted.- Circled numbers refer to waveforms.

l BLOCK IDENTIFICATION OF MAIN PCB(TOP SIDE)

(BOTTOM SIDE)

SHPS

POWER

0VIDEO

HI-F1

AUDIO

S E R V O

I/O

PRE-AMP

SYSCON

2553m

E

OS0

9-1. SMPS/POWER

NoTE:IF YOU CHECK THE VOLTAGE FOAPARTS IN HOT CIRCUIT. YOU MJSTU S E [piifiza] ASACOHMONTERMINAL

0

R32 1K 0.1

II-

1 mI

CO5222/4OOV PRIMARY

G N DC O 6

T 332/4oov

SMPS BLOCK

9-3

C36 I I I I

47u/sov

VFt

c3747OU/lOV

C4,

J

oc’f @I

9333K-F

-II

0

IVF-

I-LPOWER SECTION BLOCK

-.

_.

240vp-p

P O W E R O F F

Ql

I

0 0 1 - C

27ovp-pPowERON

9-2. SYSTEM COTROL

I I I

I I I

I fI I I

I I I

----

---t

I,

tI I

9-4

6674 . 4x-- - --

IiK 101* m-fx

‘Mm- T O IN/m:L----------r- ------,,..,,J““““‘1rteiisi

a,, c ‘” INbuwuT:

----..--,,,,I

LLI! !!II I I I II

II I I I I I

I i IT0 ZiEJwo

I I I 11:

lllll I I I I

I’LtiEXP CLOCK

PLL STROBE

PLiiEXP DATA

SAP INUICATOR

INDEX DETECT

EXPANDER DATA

START SENSOR

SYNC DETECT

C.H CTL

EXPANDER STROBE

HI-F1 CLOCK

1 20 1 0.4 0 1 -0.7 1

2 1 I-4.6 1 5.0 1 5.0 1

2 2 I-o.5 I 5.0 I 5.0 I23 I-o.5 I 5.0 I 5.0

7 6 5.4 5.0 5.0

n -0.5 1.9 22

7 8 2.L 4.9 5.3I- I I7 9 lo lo lo

-_ I --- 1 --- I ---

29 0 1 3.0 1 3.0

DIGITRON SEGMENTDRIVE OUTPUT

DIGITRON DRIVE VOLTAGEI35 I 1.0 I 4.9 I 4.9 II36 1-22.5 I-16.L i-18.7 1

I 37 l-22.5 l-26.1 I -23 I138 1-22.5 1 -22 1-22.61

I 39 1-22.5k6.1 1-22.61

I LO l-27.5 I -26 I -2s I1 0 1 0.5 1 0 . 5 1 0.5

ICSlJ3 1 I I1 1 0.3 1 0.5 1 0.5

KEY MATRIX INPUT

ENDsENsmSYNC DETECT

ADGMI

HI-F1 DATA

PFKIGRAM SW

OS0 DATA

E2PROM CLOCK

OSD CLOCK

Il. PB

D. REC

CBC DATA

E?'ROK&Xt'~I~ DATA

DSD STRDBE

CYLINDER SPEED CONTROL dLc:E - -- - - - - - - - - - - CYLINDER P H A S E CONTROL ----- - ----

,?- -.’ . . !

.,,..,. .

C-SYNC

F S CV-LOCK

ROTARY SW

SP

H’D SW(V)

H’D AMP SW

ENV DET

LP

SLP

(

TO VIOEO

LP H

iLP H

@--@

T O A U D I O I r

CTL C/D

CAP FG

H’D SW(V)

INDEXSERVO DATA

SERVO CLOCK

BREAK

CAP F/i?

STEP SLOW

CAP C/L(2)

4H’D CTL

I/LIMIT

PWM/HSR

@)-@

TO SYSCDN

P C 5vCM El+DM f?it

@i+-@@

TO POWER

L

I

l/50 5nn IO/l6 5flm 4.7/35 5mmN.P

ckPSTA!< S’EED CONTiiOLCT T,PS .A’; F-SSE CONTROL

*.C236_ kc3

(ieEX2eE)TO AUDIO

OwYHI-FIMOoEL-----------------~ ,L 1-l 8IL (tl

8‘20201'

1P6.88

I

HO SW(A) 1

(iHnX3Ha):

TO HI-F1 ;IH’D SW(AJ

8iTO PREAMP ,

5 &i

+,++, 2 7 0R228

CN20 1

A2201.5K I I I 3 47K I L - -+ -m-* II -_ .-- b.5

R2195lK = 6 C. M CTL I

IC-GND I

PC 5v I

M-GNO I

QCAPSTAN MOTORCN2024244

47K

TO CYLINOEAMOTOR

fc201-321.7vp-pPB

IC201-415.0vp-pPBIFZC

IC201-505.0vp-pPBrUEC

CMP SYNC

ENV-DET

SUB-H

SERIAL DATA

SERIAL CLOCKMODE OUT D

MODE OUT E

OUT

-3?frY- SW D

CTL AMP

C T L A M P (-1

CTL AMP BIAS

A GND

(-II

l-1

- C-I-L HEAD4 CTL HEAD

N. C 5 P-- N. CC-ROT +--- I I D VDD

CAP MIX OUT

SW E

C A P MIX l-1

SW F

SW G

MODE OUT C

MODE OUT B

MODE OUT A

D GND

P G M.M

DRUM PG IN B’ CAP F/V OUT

9-4. VIDEO(SV-20P/VT-K35)

----------- REC VIDEO PROCESS BLUE Pt

I / \I

I

i \

\

* i CHIP PARTS \

iz) w 5

9-8

- PB VICE0 PRKESS

/---I

I_________________________ + ____________^_____

I

--

--

) PC SV

ro POWER

) VIDEO IN

t-0 IN/OUTPUT

) V . E N V) DLYD REC

)DLYO WJ

ro f3wxm

) C-SYNC) FSC) V-LOCK) ROTARY SW) Ii-0 SU(VI) H’O AMP SW f4H’O ONLY1) ENV DE1 (4H’ 0 ONLY I

) LP) SLP

TO SERVO

lC302-25.0vp-pPBrnEC

4c301-282ovpprwrntzc

031oaase3.6Vp-pPBrnEC

mo1-31lwQPBmEC

lC301-30.4Np-pPBrnEC

4C301-40.5vp-pREC

4C3ol-35 T4?2020.3v4a.p 5.ovp-pPB PB

29 lo lo lo

3 0 1 &5 1 2 . 5 12.5

IC301.9O.BfNp-pPBrnEC

4C303-10.3vp-pPBrnEC

9-9

MAIN 0i3EWHA i -

MAIN DE-Et4R-lA2 -

CLW= IN -

MAIN EMPHn WT-

MAIN El**( FILT-

N Et'd=i+a FILT -

DETAIL/NC FILT-

VCA,FILT -

VCA IN -

cm DRIVE -

PICTURE CTL -

Act FILT -

LOW-WOW,WI-

AGChAL FILT -

#C APC FILT -

X0 IN -

x0 our -

PS FM IN

AGC FILT 2

VIDEO IN

LIM FILT

SYNC. OUT

REG. 4.2V

CW I N

KIL FILT

aimMA OUT

A?=WAPC FILT

SLD FILT

GND

REC MODE SWITCH

REC MODE SWITCH

EP CH2 CURRUNTINPUT

H’ D AMP SWITCH IN -m Irt -+- 12 I I - im (3

H’ 0 SWITCH IN

Pi3 COLOR OUT

MAIN GND

PB Y. FM AGC IN

PRE GND

S P C H 2 CURAUNTINPUT

PB AGC REC MODE S

REC MODE SPf3 Y. FM OUT

REC MIX AMP IN N. C

S P CHI CURRUNTINPUTREC MIX AMP OUT

S P REC CURRUNT I N

E P AEC CURRUNT I N -

REC CURRUNT OUT

REC CURRUNT OUT

VlDEO(SV-SOP/VT-K?%/SV-61 P/VT-K-451

RED PB VIDEO PROCESS BLUE - a - - -

l9 9

1

wx ti

(

r

33IC30Lh74

L --I*

I .

tt

-trrc

LI \ \

I \

\ \

g-10

-----e-e--- REC VIDEO PROCESS

I~

-

-

--

-

-

4t

i--

--

II,

-

-

-

Loi.a

-

VIDEO OUT

T R I C K H

:

<IcH)-----<2cH)TO OS0

2 PC 5vTO POWER

3 VIDEO I N

TO IN/OUTPUT

I A V.ENV

i

EAC OLYO R E C

SAC at.Yo PB

@--@TO SYSCON

c

IH’D AUP SW

- I I-

IIr

-

r’

-

- I

- 1

- I

!- 1- 1- I

I 2 I 2.0 I 2.0 I 2.9 II 3 I 2.9 I 2.9 I 2.9 I

I 13

lC301-282ovp-pPBlRECQl

l 24 lo lo lo I125 lo lo lo II26 I 0 14.0 I 0 I

I 14 I 2.2 I 22 I 3.0 I I 2 7 1 0.6 1 0.1 1 0.6 1

I 15 I 2.2 I 2.2 I 2.2 I I28 1 20 1 3.6 1 2.0 iQJlo-bse3.0vp-pPBaEC

IUOl-31lb-PPBlREC

1 16 I 2.0 I 2.0 I 2.0 I I29 I 0 14.0 I 0 II 17 I 3.7 I 3.7 I 3.7 I I30 1 0.6 1 0 1 0.6 1

I 10 I 2.5 I 2.5 I 2.5 I Ia307I I IE l o l o l o2.719

2 0 2.6

21 3.2

22 2 . 7

23 0.8L24

2 5

4.a

Ic301-341.ovp-pREC

IC301-30.45VppPBrnEC

4.0

26 0 . 6

27 L.B

28 0.7

I29 lo lo lo I I c I 1.1 I 1.1 I 1.1 II 30 I 2.5 I 2.5 I 2.5 I I 0312 I I I II 31 I 2.9 I 29 I 3.7 II32 I 1.5 I 1.5 I L5 II33 I 1.t I 1.1 I 0.2 I

lC3Q1-4 lc3ol-3s TPm20.5Vp-p 0JVp-p L.0Vp-pREC PB PB

3536Iuo2E

1

2

3

4 4.6 1 4.6 1

I 5 I 1.0 I 1.0 I 1.0 II6 I 0.5 I 0.5 I 0.5 I

IC301-9 IC303-1o.savpQ 0.3vp-pPWFIEC PEUREC

I 7 1 0 14.6 1 0 1

I 8 I 0.5 I 0.3 I 2.1 I9

1 0E1 1

1 2

0

2 . 2

5 . c

8 5-

9 - 1 1

IM A I N DE-EW’WA 1 +--- 0

MAIN DE-EMPHA2 rc-- @ -,

CL&S I N

MAIN EMPH FILT-

K EMpHn FILT -

OETAIL/NC FILT +--

V C A FILT -

VCA IN -

cc0 DRIVE c-

PICTwlE CTL -

ACC FILT -

Low-cmow O/f -

AGChAL FILT -

REC APC FILT -

X0 I N -

x0 OUT -

- FM OUT

-

-

-

-

-

-

-

-

-_I

-

-

-

-

-

-

Pi3 FM IN

AOC FILT 2

VIDEO IN

LIM FILT

v c c I

OUT

Cl-GA INS

SYNC. WT

REG. 4.2V

v c c 2

CW IN

KIL FILT

CHROMA WT

AFc/APC F I L T

SLD FILT

ALL 5v

ALL 5V

VIDEO ENV OUT

ENV DET OUT

H’ 0 AMP SWITCH I N

W 0 S W I T C H IN

PI3 COLOR OUT

MAIN GNO

PB Y. FM AGC IN

PB AGC

PB Y. FM OUT

REC M I X A M P I N

EC MIX, AMP OUT

-

-

-

a----

-

N. C

N. CE P CHl CURRUNT

INPUT

N. C

REC MODE SWITCH

REC MODE SWITCH

E P CH2 CURRUNTINPUT

PRE GNOSP CH2 CURFKJNT

INPUT

REC MCJDE S_

REC Max s

N. CSP CHI CURRUNT

INPUT

AUDIO

R E D PB PROCESS----------s REC PROCESS

II -

CN50 1

$JgFCTL HEAD

AU010,n

TO A/C HEAD

5 2 ) V'Iml8

4 7pIIt&/&4 3 *t- F- i

~

I

c5140.01 I

csl3

r

*I

0.01 IL I

c527473 63

ml9104

w.3N

c-51547125

II1IIIIIIIIIIIII

IIIIIIIIIIIIIIIIIII

r

ACLAdTCIC50 1L A 7 2 8 6

AUDIO PROCESS

CN502

TO F/E HEAD

* : CHIP PARTS

9-12

--

Ii- !

u4Mr

*A526820

JE

*RS226. BK

++--+c

I CTLt-1

1 CTL(SI

1c.501-2s.ovp-pR E C

’ LP H

’ SLP H

AUDIO M U T E

TUNER MODULE BLOCK

m>

t-

TM40ITMVH2-AOSA

A U D I O I N

CH SW

Bt(Pc5vI-

VCR/TV

V I D E O I N

BP(PC5V)

8Tt33V)

PLL CLOCK

P L L D A T A

PLL STROBE

N. C

N. C

P C 1 2 v

AUDIO OUT

GND

AFT

N. C

VIDEO OUT

1 A

2 4

34 A

5 ”T

6+7 1

8 -=

9 .=10 7 A

11

I

1

9-13

sw4oiKSA1249

P C 9vP C 5vBT 133V1

@-@

TO POWER

VCR/TV

T O OS0

PLL DATAPLL STROBEPLL CLOCKAFT

1-W-PREC

@---@

T O SY!iiCON

lwol-18l.ovp-pREC

V I D E O INiRF)- - - + 6 $ V I D E O OUT(RF)

IONLY M O N O M O D E L 1 T O I N / O U T P U T,..................‘............................................... . . . . . . . . . . . . . . . . . .. . . . . . . . . . . .. . . . ..q

1I:

1, c401A U D I O I N

:

:. T O I N / O U T P U T !:::: x

3 3 3 P f.................‘......................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..a

43 ; O N L Y HI-F1 M O D E LLr--------.------.-...~ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..~.

::::::::

. . . ..a

RED REC PROCESS----------_ PB PROCESS

D902 L902lN4148 1OOuH

a-fnI 1 1u

J-lI0 9 0 3lN4148 * *

R916 C 9 2 412K 223

0904IN4148

rt

C 9 1 6 *lOO/lE 5

I I I nFT

ICSOIKS55 14 -06CHARACTERGENERATOR

*C90E12OF

9-14

..: . . . . . . ..:.: ...,. : ; .,7:.:.

. ..? ..~..............,...........\...:. L :... :... .: . . . . . . . .ran,,,,;,,,,,,.,:. :.~.:,:,~.~.~.;:.:~~~~~~~..I. .;. /:.

I - -L901 IOOuH

F^--‘- .m”.----*--

/

-

41 1

---------- --aTRICK H

(IcHt-0

TO VIDEO

~STEREOIMONO

TO MTS

>> VCR/TVVCR/TVT O TM/BLOCKT O TM/BLOCK

((

TO SYSCONTO SYSCON

c911c9110 . 0 0 10 . 0 0 1

c9100.47/500.47/50

4 E’ D-VCC

VERTICAL

-- l

E:0

$

-

@I--EE

----+Ee---e

HORIZONTAL

O S C I N

OSC OUT

L B

FEl

4-

4

4

4

Cl3 I N

LECHA

LEE3KI Ia7 I

FE I N

I’t I ’ b A-VCCI 1 I=-o---l I

( - r S / D

MMINT

MMTC

SYNCINT

.:::::::::::““““~““:;.~~......~~~..~.~~.~~...:::::.:.:.:... . . . . . . . . . . . . . ..~~...~.~.~.~.~.~...~.~.~.~.~.~.~.~.~.~.~.~.~.~~~.~.~.~~~.~...~.~.~...~.~.~.~.~...~.~...~.....~....,.~.,.,.,.,.,.(~.,.,.~.,. . . . .: ::::::::::::::::::: . . . . . . . . _.::......::. >;:.;.:.:.:.:.:.: .:.:.:.:.: .:.:.iix. :.~.~.:.:.:.:.~.~.~,l:.~.: .;;,:, :.;.:.:.:.:,:.:.:.:.;~:.~~::~:::::::,:

~~~~~~~~~~~~~~~~~~~~

.~~~~~:~~~:~~~~~:~~:;~~~:i-i-:-i:--ii::-l~~i:-i-:.:.:.:.:.:: . . . . :::::::::::::::.:.:.:<.:.:..::: : :..::::.. :.. :.:.:.:.:.:.:-:-:‘-::i i...:. ...,...,.,...,.,.,.,. ....,.,.ii.,.... i;.:.:.:.:.:.:.-.:.:.:.:.:.,:.:.: :.:.:.‘-j:.:.:.

9-9. INPUT SELECTOR

t

II

V I D E O O U T I I ITO VIDEO

P C 9vTO POWER

---IC801IO/l6N. P

C80210/35 L801 h h

T T3.3uH

VIDEO OUT(RF)V I D E O IN(RF)

*R 8 0 72 2 K I * I “I., I

P +---T O TM&&K 10.

A U D I O I N

++----I

1EI x

TO TM/BLOCK C81747/25

VIDEO IN C1t

TO OSD

V I D E O I N J

AUDIO IN

L I N E 2 at

LINE/TUNER it@---@

TO SYSCON

I t 1 ! N-P ] I 1 I1 1 I

C81110/35 A

9-16

XC80 i TP001tiA8403INPUT SELECTOR V. IN

3K80 iI

C803 I

w---l/

LO/35/

TP803A. IN L(L1) B

I ,:::liVIDEO IN

AUDIO IN

VIDEO OUTR802 f A.OUT L(L1)

TP804 eI

I

d71

I

L(Ll)

AUDIO OUT

._. .

- -C809

470/10A. OUT L(L1)

@-@

Ic8o1-81.ovp-pREC

080 1K S A 7 3 3 TO AUDIOBUFFER IC802

K A 8 4 0 3INPUT SELECTOR

F=G-. BLF I

C 8 1 4 1 cl31382P io/35

. . .......: . . ,,, ,,::,::::::::.;.:.,: .... ....... ..:: .:.:. >):::.: ... :...?: :,:;:::::.::::;.:. . . .... ...... . . : . : : ::.:.::

~ ]:‘.r=:~~~~~~~~~~~~ER:i

9-10. FUNCTlON/TlMER

I F+ Ft NP c e f j q h 66 5G 46 NC 36 26 IG k i 1 d b a NP F- F-

OPTION BLOCKr’-““““““““‘--------~

DT7Oisvv-06sDIGITROI

0702f11002

I1I,b c cl e I

Y Y ,

0710 07 12 0714 0 7 1 5 :lN414E I N 4 1 4 8 lN4149 lN4148 IN4148

, * * I! !i!,,

8 *

A0704

R1002r--

1

KEY2

KEY 1

- F-

liIP:Fl.P

Eil

3716.N4146

DT7O 1svv-06ss03DIGITRON r,,,--,,..,..,,J

I

07010702 R20Cl f -

RI002

.r- : r”-’i :

w

i

i...” .--... .I i--..--- I

AA702 R7031% 4.7u

0704 0709R2001

!,

Tf%f

i .I-R704

i4’:

1%R7054. 7K

I +i- 1

KEY1R7063OK

9-11. REMOTE CONTROLW-20P/VT-K35)

C H I P P A R T S

iT3 1OOP

bT4

%’

1OOP i!iiiii‘dZ

~1.:~~~~~~~~~~~~~~,

:‘. . ::::::..::::::.:::.:.:.::,:. :,:.: ::::::.:.:.: .:.:,

ICTIKS51900-97

9 - 1 2 REMOTE CONTROL (W-61 P/VT-K45/SV-60P/VT-K55)

ICTOI zeEL7m-1385

FtizMoTE cm

1wour I-

INmJT i-

IN&UT-

XT&2 O U T OUTONLY

OUTON-Y

P31 INw\kY

P 3 2 INDM-Y

OUTONY

INo;rcY

9-19

OUTONY p34 p-------

BTOICT02

3 vI03

KEY FUNCTIONMATRIX

K I : S L O W DNtOAY-1

K2 : REC

K3 : ENTER

K4 : SYS. SEL.

K5 : I N SEL.(TV)

K 6 : I N S!ZL.(VCR)

K7 : VCR

K0 : TV

K9 : S H I F T / S t - U T ( - )

KIO: FF

Kll : CAPTION

K12: CH 100

KI3: C H 0

KI4: C H 9

KI5: C H 8

K 1 6 : CH7

KI7: V O L . VP

KI6: MEMJ(PROG)

KI9: PiXV. C H

K20: sP/sLP

K2I : A. OUT SEL.

K22: u-l. up

K23: V C R POWER

K24: VCR/TV

-1 x/&. oc)wN

K26: PAGE DN(m IX)

K27: a - l . OOWN

K20: l-l-BE

K3O:EXIT

K31 I TV POWER

K32 : I. SEL.(TV/VCRl

K 3 3 : SHIFT/!3t+JT~t1

V.34: STOP

K35: C H 6

K36: cH5

K 3 7 : C H 4

K 3 6 : CH 3

K39: C H 2

K 4 0 : C H 1

K41: SLOW UPfOAYt)

K42: REW

K43: DISPLAY

K44: MONITOR

K 4 5 : MUTE

K46: CLEAR

K47: A U T O TFUUING

K46: F L A Y

K49 : P/STILL

K50: PAGE lP(TfX UP)

K51: GUIDE

K52: IMO

W3 : JOG(t)/F. ADV

K54 : JOG(-)&. REPEAT

KS: EJECT

K66: INXX