Contents

Block diagramStandard schematic diagramsPrinted circuit boards

2-12-22-5 to 7

CD-ROM No.SML200304

KD-SC900R

SCHEMATIC DIAGRAMSCD RECEIVER

No.49829SCH2003/04

COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.

KD-SC900R

KD-SC900R

Area Suffix

E ----------- Continental EuropeEX --------------- Central Europe

KD-SC900R

2-4

! Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system.

Safety precaution

! Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check.

KD-SC900R

2-1A B C D E F G

1

2

3

4

5

POSITION SETSWITCH

LOAD&FEEDMOTOR

SPINDLEMOTOR

SW1, SW2

PICK UP

SW1, SW2

CN

501

IC501CD

DRIVER

IC541DSP

IC521RF AMP

IC581CD L.P.F.

PSW

VF1,VF2,VT1,VT2,MD,LD

TRO,FOODMO,FMO BUS0,BUS1

BUS2,BUS3BUCK,CCERST

SELTEBRFDCTE,RF,FERFGCRFRP

AOUTLAOUTR

CN

601

IC602REMOCON

S601 to S617KEY MATRIX

KEY0KEY1 KEY2

REMOCON

IC601LCDDRIVER

EN601ENCODER

LCD1 CN

701

TU1FM/AMTUNER

IC701CPU

IC161E.VOL

IC301POWER

AMP

IC901REGULATOR

SPKBATTERY

EACH BLOCK

STEERINGSTEERINGREMOTE

TU.LTU.R

OUTFLOUTFROUTRLOUTRR

OUTLROUTRR

CD.LCD.R

J321LINE OUT

FL+, FL-FR+, FR-RL+, RL-RR+, RR-

COM1COM2COM3S1 to S50

LCDCLLCDDALCDCE

VOLDAVOLCL RDSCL

RDSDA

J1ANT

SW1,SW2,PSW

LM0,LM1

FEED+FEED-

SPINDLE+SPINDLE-

VF1,VF2,VT1,VT2,LD,MD,TRACKING+TRACKING-FOCUS+FOCUS-

SPINDLE+SPINDLE-FEED+FEED-TRACKING+TRACKING-FOCUS+ FOCUS-

Block diagram

CN901

OUTLFOUTRF

IC401MP3

&INT. SRAM

IC481DAC

MP3DINMP3DOUTMP3REQMP3STBYMP3CLKMP3RESET

DAC-CDTIDAC-CCLKDAC-CSNDAC-PDN

IC31PLL

AMVTFMVTFM/AM OSC

PLLDAPLLDIPLLCLPLLCE

SEEK/STOPSD/STMONOSMFM/AMSQ,SMAFCK

IC71RDS

DETECTER

CN

701

KD-SC900R

2-2

KD-SC900R

HA B C D E F G

1

2

3

4

5

Parts are safety assurance parts.When replacing those parts makesure to use the specified one.

Tuner signal Front signal

CD signal Rear signal

Standard schematic diagramsMain amplifier section

To

CD

ser

vo c

ontr

ol s

ectio

n

To

LCD

& K

ey c

ontr

ol s

ectio

n C

N60

1

C312

IC801

IC901

R738

R808

Q91

R3

C711

R739

R740

C311

C165

R734

L1

D1 D2

IC161

R7

R761

R5

R4

R6

R762

R735

R736

IC701

R743

C177

R744

R745

R807

Q1

C178C179

IC31

Q31

C170

C180

C902

R803

R804

R805R806

C50

R810

R809

R801C801

SI

SCK

C91

Q2

R81

R91

SO

C802

TU1

D331

Q241

D321

Q3

Q52

C52

R979

Q10

R978

C781

IC702

R332

R322

R331

R321

R765

L701

R182

C36

C35

C46

R181

C161

C162

C171

C163

D240

R248

R746

C39

C47

R708

R171

C5

R161

R759

R83R93

R742

Q81

R760

IC71

Q9

C72C76

C71

C75

C74

R793

VSS

R783

D781

R720

R719

VDD

R758

VPP

C73

C77

R34

C32

D84

C8

C49

X1

C706

R37

R36

R741

R243

R242

RESET

TD

C243

C901

R244

C301

C241

D243

C173

D998

RD

C916

R35

R756

X701

C917

X702

C316

D997

D996

Q84

C83

D995R53

C172

Q881

R54

Q51

C55

C891

R891R892

C54

Q782

C968

C966

C967

C965

C964

Q6

R977

R976

C963

C962

C961

IC301

R714

R56

R57

R58

R710

R2

R881

D902

R882

C192C191

C710

Q7

C168

C167

C194

C81

C175

C707

R8

R711

Q977

C302

R712

R162

C242

D994

D993

D992

D991

R43

R713

C38

R715

R44

R716

R163

CN701

R747

R748

R749

C33

Q53

R315

R705

R59

C782

C713

R311

R312

R301

R302

R782

C322

C323

C324

C325

D901

R901

Q781

R352

R342

R341

R351

R84

R709

J1

R784

R729

R10

Q784

D782

R172

C193

C169

Q976

R173

Q891

C37

R32

R706

C34

C176

C174

C166

C164

D341

R707

R704

D351

R737

D712

D241

R757

R245

R241

CN702

C712

D971

J321

R991

S701

D714

S703R764

R730

R731

S702

IC771

C771

R732

D715

D716

D717

J801

C31

C91

4

R1

C43

C1

L901

Q5

C40

C4

D70

1

C90

6

C2

C71

6

C31

3

R42

R38

R75

1

C31

4

C30

3

C30

4

R80

2

R92

C92

C82

R82

Q8

C91

0

C90

5

R98

0

C48

Q32

1Q

341

R16

5

R16

4

R32

3

R33

3

C32

1

X31

R31

C90

3

C9

C71

9

D70

3

C24

5

R75

0

D24

4

C91

9

R9

R39

C41

R51

D89

2

C31

9

D97

2

C90

7

R74

X71

C30

8

R75

3

R72

1

R72

2

R73

R72

3

R72

R71

R24

6R24

7

C94

D24

2

Q33

1

R72

6

R72

8

R97

2

C70

1

C70

2

R33

C70

3

C70

4

C85

C95

C71

8

R52

R55

C53

CN

901

D89

1

R70

3

R70

2

C3

C91

3

C88

1

C90

8

C90

9

C31

7

D70

5

D70

7

R31

3

R31

4R

304

R30

3

D70

9

D70

2

D70

4

D70

6

D70

8

D71

1

R97

1

C31

5

C71

7

C91

1

C24

4

D71

3

D78

4

C91

2

C32

0

R76

3

C6

C31

8

L702

R90

4

R90

3R

902

D4

C78

4

R72

5

R40

R35

3

R34

3

R41

R17

4

R17

5

C42

C45

C30

7

C90

4

C44

Q35

1

C51

C91

5

R75

2

R76

6R

767

C70

8

C70

5

R70

1

C70

9

D71

0

C97

1

D5

C34

1

C84

R75

4

R75

5

R77

1

R77

2

R76

8

R30

7

R30

8

R99

3

100/16

0.33

HD74HC126FP

AN80T07

4.7k

330

4.7k

220/10

4.7k

4.7k

0.33

0.18

2.2k

4.7u

TEA6320T-X4.7k

47k

47k

3.3k

47k

47k

2.2k

2.2k

UPD784217AGC195

10k

0.033

10k

10k

100k

0.0056 4.7/25

TB2118F-X

10

UN2211-X

4.7/25

4.7/25

2.2/50

100

22k

100k

10k

100P

100

22k

47k0.047

1/50

8.2k

8.2k

0.01

QAU0292-001

1SS355-X

2SD601A/R/-X

1SS355-X

2SC2412K/R/-X

0.01

51k

UN2211-X

0

100/6.3

IC-PST600M/G/-W

820

820

2.2k

2.2k

0

4.7u

270

7P

10P

0.01

270

1/50

1/50

1/50

1/50

1SS355-X

220

10k

1000P

0.01

3.3k

220k

1/50

220k

47k

4.7k4.7k

10k

47k

RB160M-30-X

SAA6579T-X

UN2111

0.0220.01

560p

47p

82p

0

1k

1SS355-X1.2k

0

47k

2.2/50

47/6.32.2k

47P

1SS355-X

0.001

0.047

2.2k

2.2k

10k

180k

22k

0.047

2200/16

12k

0.33

1/50

RB160M-30-X

1/50

RB160M-30-X

2.2k

47k

QAX0617-001Z QAX0401-001

4.7/25

RB160M-30-X

RB160M-30-X

UN2111-X

0.1

RB160M-30-X47k

1/50

UN2211-X

10k

2SC2412K/R/-X

0.47/50

0.1

1k47k

0.1

UN2211-X

100P

100P

100P

100P

100P

2SB624/4/-X

12k

27k

100P

100P

100P

LA4743K

10k

10k

15k

470

100

47k

47k

1SS355-X

4.7k

100/1047/16

47/6.3

UN2211-X

0.0056

0.033

0.082

1/50

0.18

0.047

10k

QMFZ047-150-T

100

2SA1037AK/RS/-X

0.33

100

22k

22/16

RB160M-30-X

RB160M-30-X

RB160M-30-X

RB160M-30-X

470

100

0.001

100

220

100

2.2k

QNZ0605-001

4.7k

4.7k

4.7k

47/6.3

10k

47k

47k

0.082

0.01

27k

27k

27k

27k

47k

0.1

0.1

0.1

0.1

1N5401-F64

1k

UN2111-X

820

820

2.2k

2.2k

0

10K

47k

47k

10K

UN2111-X

1SS355-X

22k

100/10

4.7/25

UN2211-X

2.2k

UN2211-X

10P

6.2k

47k

0.047

0.22

0.0082

0.1

0.22

0.0082

1SS355-X

47k

47k

1SS355-X

0

1SS355-X

1SS355-X

2.2k

47

47k

QGA2006F1-02

0.01

RB160M-30-X

QNN0489-001

0

QSW0451-001

UDZS5.6B-X

QSQ1A11-V06Z100

10k

47k

QSW0451-001

BR24L16F-W-X

0.047

10K

LNJ308G81/1-3/X

LNJ308G81/1-3/X

LNJ308G81/1-3/X

QNZ0095-001

100/

10

12

0.04

7

2SD

601A

/R/-

X

22/1

6

QQ

R07

03-0

01

2SB

709A

/R/-

X

1SS

355-

X

1SS

355-

X

10/1

6

220/

10

0.01

0.04

7

0.1

390P

2SD

601A

/R/-

X

100

10k

390P

390P

390P

47k

2SD

601A

/R/-

X

18k

0.00

15

0.00

15

18k

UN

2211

-X

UN

2111

-X

47/1

6

47/1

6

47k

0.04

7

2SD

1781

K/Q

R/-

X2S

D17

81K

/QR

/-X

47k

47k

100

100

0.04

7

QA

X06

16-0

01Z

10

47/1

6

220/

10

0.01

10k

UD

ZS

5.1B

-X

10/1

6

47

0

0.04

7

22k

1SS

355-

X

0.02

2

2SD

601A

/R/-

X

220/

10

100

QA

X02

63-0

01Z

1/50

47k

1k 10k

2.2k

10k

2.2k

2.2k

1k

39k

0.01

2

1SS

355-

X

2SD

1781

K/Q

R/-

X

10k

10k

2.2k

22P

27P

10k

27P

8P

0.00

1

0.00

1

100P

47k

2.2k

0.00

47

QN

Z01

12-0

01

1SS

355-

X

0 0

0.01

10/1

6

22/1

6

220/

10

220/

10

47/1

6

47k

47k

47k

47k

UD

ZS

6.2B

-X

UN

2211

-X

2.2k

4.7/

25

0.1

0.1

0.22

/50

UD

ZS

11B

-X

0.01

0.02

2

1k

0.01

22/1

6

4.7u

4.7k

4.7k

9.1k

1SS

355-

X

100/

16

10k

39k

100

100

QN

B01

00-0

02

10k

47k

47k

0.01

0.00

27

1/50

10/1

6

0.01

2SD

1781

K/Q

R/-

X

330P

47k

2.2k

22k

0.04

70.04

7

47k

0.01

1SS

355-

X

0.1

1SS

355-

X

0.04

7

0.01

2

820

10M

270

270

220

0 0

0.01

SQ

PSW

A-GND

CONT+B

DAC-CDTI

DAC-CCLK

DAC-CSN

KEY2

DAC-PDN

INT

DIMMER

REMOCON

ENC1

STEERING

SI

CD.L

ENC2

KEY1

KEY0

LEVEL

SW1

REMOCON

LCDCL

OUTLR

LCDCE

OUTLF

LCDCL

LCDDA

I/O

TU.R

SCK

SO

SI

CD.R

OUTRF

OUTRR

SW5V

TU.L

FM/AM

CDON

CH.R

LCDDA

CH.L

LCDCE

VOLDA

SW5V

VOLCL

MP3REQ

CD.R

ACC5V

I/O

A-GND

CD.L

10V

SW2

MP3DOUT

SO

MP3DIN

MP3STBY

BUS0

RST

BUS1

LM0

BUS0

MP3RESET

KEY2

SCK

LM1

BUS1

CDRW

BUS2

BUS3

RST

SQ

CCE

BUCK

VDD5V

MP3CLK

CH.SCK

CDRWENC2

CDON

9V

BUS2

CD8V

DIMMER

CH.R

CH.L

TELMUTE

VOLDA

VOLCL

PLLDI

SM

SD/ST

PLLCE

PLLDA

PLLCL

KEY1

KEY0

LEVEL

BUS3

BUCK

CCE

SM

MP

3CLK

SE

EK

/ST

OP

AM

.VC

C

SW

2

MP

3RE

Q

MP

3RE

SE

T

MP

3ST

BY

MP

3DO

UT

MO

NO

MP

3DIN

DA

C-P

DN

DA

C-C

DT

I

DA

C-C

CLK

DA

C-C

SN

AF

CK

ST

EE

RIN

G

FR

-

IFC

-CO

NT

SE

EK

/ST

OP

AF

CK

A-G

ND

FR

+

RR

-

FL+

RR

-

RL+

RL-

RR

+

RF

-

PS

W

LM0

SW

1

LM1

RF

+

INT

RD

SC

L

MO

NO

RD

SC

L

TE

LMU

TE

EN

C1

FL-

RD

SD

A

LF-

LF+

LR-

RR

+

LR+

DIM

IN

SE

EK

/ST

OP

IFC

-CO

NT

RD

SD

A

PLL

DI

TE

LMU

TE

PLL

CL

PLL

DA

DIM

IN

PLL

CE

FM

/AM

SD

/ST

KD-SC900R

2-3A B C D E F G

1

2

3

4

5

CD signal

CD servo control section

To

Mai

n am

plifi

er s

ectio

n

R584

R581

C597

L401

L402

R582

IC461

C414

IC481

R559

C541

RF

C543

L404

C421

C471

C474

C472

R592

IC471

C473

C569

C503

C583

R583

R594

R591

C581

C420

C591

R406

IC581

R595

C419

R586

R596

R585

C596

C582

C592

R538

IC401

C481C482

C593

R593

Q430Q440

R423R424

C413

R404

C404

C406

C409

C408

R411

C401C402 C403

C407

C422

C423

C411

C412

C416

C417

C418

C415

R403

C405

D501

X401

C568

C463C462

C461 C464

R407

R408

R409

R451

R453

R457

R440

C410

R430

C483

C580

R455

C440 C430

C590

C599

C589

R516

IC541

R528

R527

Q521

C534

R529

C522

C524

C523

C530C531

R532 R531

R533

R534

C532

C528

C533

C521

R544

R543

R541

R545

C547

C546

C548

C549

C550

C551

R546

C556

C557

R506

C552

R547

R548

C558

C559

C572

R558

C542C545

C501

R536

C571

R535

C529

C570

C527

R537

VREF

R526

R523

R525

R524

R539

C525

R503

R502

R511

R504

R513

R512

C544

R501

C502

Q501

L543

L541

L542

Q542

Q541

C509

C510

C511

C58

4

C58

5

R58

8

R59

7R58

7

C59

4

C42

7

R59

8

C59

5

R40

1

R40

5

C59

8

R50

5

R45

2R

456

R40

2

R45

8R

454

R51

4

R51

5

R53

0

R54

2

C55

3

R54

9

R55

0

C55

4

R55

1

R55

2

C55

5C56

0

R55

7

R55

6

R55

5

R55

4

C56

1

C56

6

IC52

1

C56

5

R55

3

C56

2

C50

7

C50

6

C56

7

CN

501

IC50

1

R50

7

C50

5

C50

4

R51

0

R50

8

R50

9

L544

R41

3

R41

4

R41

2

180

8.2k

0.01

47u

47u

8.2k

NJU7241F25-X

0.027

AK4381VT-X

1.5M

100/10 1/50

47u

0.01

0.1

220/6.3

0.01

8.2k

NJU7241F33-X

220/6.3

100/10

100/10

270P

8.2k

180

8.2k

3300P

18P

3300P

47

NJM4565M-WE

180

18P

6.8k

6.8k

180

100/10

270P

270P

33K

TC94A20F-011

47/160.1

270P

8.2k

330

330

0.33

10k

0.01

0.1

0.1

0.01

0

1/50 0.01 0.01

100/10

100/10

0.01

100/10

0.01

100/10

100/100.01

0.01

2.2M

100/10

1A3G-T1

QAX0741-001Z

0.1

100/6.3100/6.3

0.1 0 .1

2.2K

2.2K

2.2K

22k47k

2.2k

4.7k

2.2k

1k

100/10

1k

0.1

4.7/25

4.7k

2.2k

4.7k

0.01 0.01

4.7/25

4.7/25

4.7/25

TC94A14FA

22

22

2SB1241/QR/-T

5p

82k

0.01

0.01

100/10

0.1

0.1

2k 10k

1k

15k

82p

0.01

0.01

0.01

10K

470k

5.6k

10k

0.015

47P

0.01

0.0027

0.01

0.033

0

470P

470P

8.2k

0.033

0

0

0.047

0.047

100/10

10k

0.01

0.01

47/10

820

0.01

100

100/10

100/10

0.0068

0

330k

82k

330k

82k

150

100/10

4.7k

8.2k

1.5k

15k

1.8k

1.5k

100/10

33k

0.01

47u

47u

47u

UN211-X

UN211-X

0.01

0.01

0.01

0.1

47/6

.3

1k

1k

1k

0.1

220P

1k

47/6

.3

UN

2211

-X

UN

2211

-X

10k

0

0.00

1

20k

47

2222

56k

47k

0.04

7

100

100

0.04

7

100

100

0.04

7

0.01

4.7k

4.7k

4.7k

4.7k

100/

10

100/

10

TA

2157

FN

-X

0.01

1M

0.01

0.04

7

0.04

7

100P

QG

B20

27M

4-22

S

LA65

79H

-X

6.8k

0.04

7

0.04

78.

2k

3k

12k

2SB

1322

/RS

/-T

47u

4.7K

4.7K

4.7K

CD8V

AOUTR-

VDD5V

CD.L

CD.R

A-GND

GND

DAC-CDTI

AOUTR+

CD.L

9V

AOUTL-

CD.R

AOUTL+

PSW

SW1

SW2

LM0

LM1

BUS0

BUS1

BUS2

BUS3

BUCK

CCE

RST

MP3REQ

MP3RESET

MP3STBY

MP3DIN

MP3DOUT

MP3CLK

CDRW

SW5V

DAC-CCLK

DAC-CSN

DAC-PDN

9V

3.3V

CDON

VCC

CDON

DMO

FMO

VREF

FOO

TRO

TE

RFRP

RFDCFE

RF

SEL

RST

TEB

RFGC

CCEBUCK

BUS3

FEED-

BUS2

BUS1BUS0

VF2

FEED+

VCC

VT2

SW1

VT1

SW2

VF1

PSW

SPINDLE-

LD

SPINDLE+

FOCUS-

VREF

FOCUS+

MD

TRACKING+

TRACKING-

VR

LM1

CDRW

GND

FEED-

VF2

FEED+

VCC

GND

VT2

SW1

VT1

SW2

VF1

PSW

VR

SPINDLE-

LD

SPINDLE+

FOCUS-

VREF

FOCUS+

MD

TRACKING+

TRACKING-

VF1

VF2

VT2

LM0

VT1

MP

3ST

BY

MP

3CLK

MP

3DO

UT

SW

5V

MP

3RE

SE

T

VD

D5V

DA

C-C

DT

I

DA

C-C

CLK

DA

C-C

SN

DA

C-P

DN

SW

5V

AO

UT

L+

AO

UT

L-

AO

UT

R+

AO

UT

R-

SW

5V

MP

3RE

Q

3.3V

MP

3DIN

FE

ED

-

FE

ED

+

SP

IND

LE-

SP

IND

LE+

MD

SE

L

TE

B

RF

DC

LD

RF

GC

FE

RF

RF

RP

FO

O

TR

O

FM

O

DM

O

FO

CU

S+

FO

CU

S-

TR

AC

KIN

G+

TR

AC

KIN

G-

TE

KD-SC900R

2-4

KD-SC900R

HA B C D E F G

1

2

3

4

5

LCD & Key control section

To

Mai

n am

plifi

er s

ectio

n C

N70

1

R601

R658

R653

C603

D642

D616D613

EN601

D615

S601

IC602

D614

D609

D611

D610

D606

CN601

D607

D603

D605

R672

D617

S606IC601

D604

D619

S605

D621

D620

D622

R605

D624

D623

R657

C601

C602

R654

R655R656

S607

S602S603S604

S608S609S610S611S612

S613S614S615S616

S617

R614 R613

R615

R606R607

R671

R610 R609 R608

R602R603R604

R670

R612

LCD1

D601D602 R65

9

R63

6

R63

8

R66

1

R66

2

C61

2

C61

1

R64

9

R64

8

R64

5

R63

9

R63

7

R68

1

D64

1

R64

0

R64

2

R64

4

C68

2

R64

1

R64

3

R64

7

C68

1

D64

4

R63

4

R63

5

R63

2

R63

3

D62

5

D64

6

R67

4

R65

2

R66

0

R64

6

R67

3

R65

1

R63

1

D64

5

Q64

1Q

640

820

180k

10k

10/6.3

1SS355-X

QSW0863-002RPM6938-SV4

NNZ0087-001

470 LC75823W

2.7K

51k

0.022

680p

10k

10k10k

1.2k 820

3.9K

820820

0

2.7k 1.8k 1.2k

8201.2K1.8K

0

820

390

10k

470

4.7/

6.3

0.01

2

100

UD

ZS

5.1B

-X

0.02

2

0.02

2

NS

PW

310B

S/B

RS

/

SM

L-31

0LT

/MN

/-X

UD

ZS

6.2B

-X

1k

2.2k

390

47k

2.2k

820

NS

PW

310B

S/B

RS

/

UN

2211

-X2S

B62

4/4/

-X

KEY0

KEY1

REMOCON

KEY2

ENC1

LCDDA

LCDCL

LCDCE

KEY2

KEY1

LCDDA

DIMMER

KEY0

LCDCL

GND

ACC5V

LCDCE

S17

CE

ENC2

S18

OSC

CLK

DATA

INH

DIMMER

VDD

10V

S19

S20

S21

S22S23

S24

S25S26

S27S28

S29

S30

S31S32S49

S50

COM3COM2

COM1

S3

S4

S5

S6 S7

S8 S9

S10

DIM

ME

R

S2

S11S1

S12

S13

S14

S15 S16

S33

S34

S35

S36

S37

S38

S39S40

S41

S42

S43

S44

S45

S46

S47

S48

CO

M2

CO

M3

CO

M1

S1

S2

S3

S4 S5

S6

S7

S8

S9

S10

S11

S12 S13

S14 S15

S16 S17

S18

S19 S20

S21

S22

S23

S24

S25

S26

S27

S28

S29

S30

S31

S32

S33 S34

S35

S36

S37

S38

S39

S40

S41

S42

S43 S44

S45

S46

S47

S48 S49

S50

KD-SC900R

2-5A B C

1

2

3

4

5

R54

5

R761

C1

C4

C5

C31

C32

C33

C40

C41 C42

C43

C48

C49

C50

C52

C53

C54

C55

C71

C73

C77

C81 C91

C161

C162

C163

C169

C170

C171 C172

C173

C179 C180

C191 C192

C193

C241

C242

C244

C301 C302

C30

3 C

304

C307

C308

C311 C312

C31

3

C31

4

C315

C316

C317

C318

C401

C402

C40

3

C404

R24

8

C40

6 C

408

C40

9

D244

C411

C41

2

C41

5

C416

C417

C418

C42

1

C422

C423 C427

C430

C440

C461

C462

C463

C464

C471

C472

C473

C474

C481

C501 C503

C504 C505

C50

6 C

507

C523

C52

4

C525

C529

C541 C543

C544

C54

5

C546

C54

7 C54

8 C

549

C550

C55

1

C552

C556

C560

C561

C566

C56

7

C569

C570

C572

C582

C58

3 C585

C592

C59

3

C595

C596

C59

7

C598

C70

5

C707

C708

C710

C711

C781

C784

C802

R40

8

C881

C89

1

C901

C902

C903

C904

C905

C907

C908

C909

C910

C913 C914

C919

C96

1

C96

2

C96

3

C96

4 C965

C96

6

C96

7

C96

8

CN501

CN701

CN901

D242

D243

D32

1

D33

1

D34

1

D35

1

D50

1 D78

1 D78

4

R40

9

D891

D892

D901

D99

1 D

992

D99

3 D

994

D99

5

D99

6

D99

7

D99

8

IC31

IC71

IC161

IC301

IC401

IC46

1

IC471

IC481

IC501

IC521

IC541

IC581

IC701

IC702

IC801

IC901

J1

J321

J801

L1

L401

L402

L404

L541

L542

L543

L544

L701

L702

L901

Q6

Q8

Q10

Q31

Q51

Q52

Q53

Q

81

Q91

Q241

Q321 Q341

Q43

0 Q

440

Q50

1

Q521

C9

Q781

Q881

Q891

Q976

Q977

R6

R7

R8

R10

R43

R44

R52

R53

R

54 R55

R56

R57

R58

R59

R72

R83

R93

R164 R165

R307

R321

R33

1

R341

R35

1

R40

4

R430 R440

R451 R452 R453 R454

R455 R456 R457 R458

R505 R506

R52

3

R52

4

R52

5

R52

6

R53

9

R54

1 R

542

R54

3 R54

4 R

549

R559

R58

4 R

585

R586

R59

3 R594 R595

R596

R70

2

R703

R704

R708

R70

9

R71

2

R713 R715

R716

R719 R72

0 R

721

R72

2

R72

3

R725

R726

R729

R734

R735 R736

R73

7 R

738

R73

9 R

740

R74

1

R74

2 R74

3 R

744

R74

5

R746

R74

7

R74

8

R74

9

R750 R751

R753

R756

R75

8

R759

R76

0

R76

3

R76

5

R76

6

R80

4

R80

6

R80

7 R

808

R810

R881

R88

2

R89

1 R89

2

R901

R90

4

R97

6

R97

7

R97

8 R

979

R98

0 TU1

X31

X71

X401

X701

X702

R99

5

S701

S702

PP2

R705

R707

R706

C53

5

S703

R730

R73

1 R

764

D71

4

CN702

IC771

R77

1 R

772

PP1

R999

C77

1

R73

2

R762 R768

D71

5 D

716

D71

7

C580

C589

C590

C599

R98

9

R412

C52

6 R413 R414

C246

Printed circuit boardsMain board

Forward side

KD-SC900R

2-6 A B C D

1

2

3

4

5

C1

C2

C3

C4

C5

C6

C8

C31

C33

C34

C35 C36 C37

C38

C39

C40

C43

C44

C45

C46

C47

C51

C55 C72

C73

C74 C75

C76

C77

C81

C82

C83

C84

C85 C91

C92

C94

C95

C161

C162

C16

3

C164

C165

C166

C167

C168

C169

C170

C17

1

C17

2

C17

3

C174

C175

C176

C177

C178

C179 C180

C191

C192 C

193

C194

C241

C242 C243

C244

C301 C302

C307

C308

C311

C312

C315

C316

C317

C318

C319

C320

C321 C322

C323

C324

C325

C341

C401

C245 C

411

C413

C414

C416

C417

C419

C420

C422

C462

C463

C473

C474

C481

C482

C501

C502

C503

C521

C522 C523

C525

C527

C528 C529

C530

C531

C532

C533

C534

C541

C542 C543

C544

C553 C554

C555

C557

C558

C559

C561 C562

C565 C566

C568 C569

C570

C571

C572

C581

C584 C585

C591

C594 C595

C596 C701

C702

C703

C704

C706

C709

C71

0

C711

C712 C

713

C71

6 C

717

C718

C781

C782

C784

C801

R407

C881

C901

C902

C903

C904

C905

C906

C907

C908

C909

C910

C911

C912

C913

C914

C915

R990

R991

C919

C97

1

CN501

CN701

CN901

D1

D2

D4

D5

D84

D240

D241

D501

D70

1

D70

2

D70

3

D70

4

D70

5

D70

6

D70

7 D

708

D70

9

D710

D712 D

713

D782

R406

D901

D902

D971

D972

IC301

IC901

J1

J321

J801

L1

L901

Q1

Q2

Q3

Q5

Q7

Q9

Q84

Q331 Q351

Q501

Q521

C9

Q782

Q784

R1

R2

R3

R4

R5

R9

R31

R32

R33

R34 R35 R36 R37

R38

R39

R40

R41

R42

R51

R71

R73

R74

R81

R82

R84

R91

R92

R161 R162

R163

R171

R172

R173

R174

R175

R181

R182

R241

R242 R

243

R244

R245 R246

R247

R301 R302

R303

R304

R308

R311

R312

R313

R314

R322

R323

R332

R333

R342

R343

R352

R353

R401

R402

R403

R411

R423

R424

R501

R502

R503

R504

R507

R508

R509

R510

R511

R512

R513

R527 R528

R529

R530

R531

R532 R

533

R534 R535

R536

R537

R538

R546 R547

R548

R550

R551

R552

R553

R554

R555

R556

R557

R558

R581

R582

R583 R587

R588

R591

R592

R597

R598

R701

R710

R711 R714

R728

R752

R754

R755

R757

R767

R782

R783

R784

R801

R802

R803

R805

R809

C483

R901

R902

R903 R971

R972

RD

RESET

RF

SCK

SI

SO

TD

TU1

VDD

VPP VREF

VSS

X1

X31

X71

X401

X701

X702

S701

S702

JP1

PP2

S703 D711

CN702

PP1

R515

R997

R998

C10

R405

C719

R793

C580

C589

C590

C599

R514

R992 R993

R994

C563

R51

6

R981

C78

R599

Q541 Q542

C720

C326

C508

R45

C72

1

C509

C510

C511

Main board

Reverse side

KD-SC900R

2-7A B C

1

2

3

4

5

D601 D602

D60

3 D

604

D60

5

D606 D607

D609 D610

D611

D613 D614 D615

D616 D617

D619

D620

D621

D622

D623

D62

4

D625

D64

4 D

645

IC602

EN601

LCD1

R601 R602

R603 R604 R605

R606

R607

R609 R610

R615

S601

S602

S603

S60

4

S605

S60

6

S607

S608

S609

S610 S611

S612

S613

S614

S615

S616

S617

R649

R

648

C60

1

C60

2 C603

C61

1

C612 C681

C68

2

D64

1

D64

2

D64

3

D646

IC60

2

R608

R612

R613

R614

R631

R632 R633

R634

R635

R636 R637

R638

R639 R640 R641

R642

R643

R644

R645

R646

R647

R651

R652

R653

R654

R655

R656

R65

7 R

658

R659 R660

R661

R662

R681

CN601

R67

2

R673 R67

4 R

671

R67

0

Q640 Q641

Forward side

Reverse side

Front board

KD-SC900R

VICTOR COMPANY OF JAPAN, LIMITEDAV & MULTIMEDIA COMPANY 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan

(No.49829SCH)Printed in Japan

2003/04