SCHEMATIC DIAGRAMSCD RECEIVER

No.49819SCH2003/03

COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.

KD-SX998R,KD-SX997R

KD-SX998R,KD-SX997R

Contents

Block diagramStandard schematic diagramsPrinted circuit boards

2-12-22-5,6

CD-ROM No.SML200303

SOUND

VOL VOL

SOURCER F

U

D

ATT

Area Suffix

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

MODELKD-SX998RKD-SX997R

Panel colorBlackSilver

KD-SX998R,KD-SX997R

! 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-SX998R,KD-SX997R

2-1A B C D E F G

1

2

3

4

5

Block diagram

CN

101C

N701

J801CHANGERCONTROL

IC801JVC BUS

IC701CPU

TU1FM/AMTUNER

IC161E.VOL

IC251SUBWOOFER

IC31PLL

J1ANT

IC361Lch

LINE AMP

IC381Rch

LINE AMP

IC771EPROM

IC301POWER

AMP

J321

LINE OUT

CN901

SPK

BATT

CN

601EN601

ENCODERIC601LCD

DRIVERLCD

S601~S617KEY

MATRIX

IC602REMOCON

J601AUX IN

COM1~COM3S1~S68 LCDCE

LCDDALCDCL

ENC1ENC2

KEY0~KEY2 REMOCON AUX,L AUX,R

CN

501

CN

601

IC601CD RF

IC621D.SERVO

& DSP

IC681CD DRIVER

IC57124bit DAC

IC652MP3 DEC

IC501CPU

IC572CD LPF

IC653SRAM

IC503J-BUSBUFF

RESTSWITCH

LOAD/FEEDMOTOR

SPINDLEMOTOR

SW1,SW2

PICKUP

REST

LOAD/FEED+LOAD/FEED-

SPINDLE+SPINDLE-

SW1,SW2

A,B,E,FVR,MD,LDFOCUS+FOCUS-TRACKING+TRACKING-

VA,VBVE,VFMD,LD

RWSELIOP

SELTEBRFGCTE,FERFDCRFRFRP

FMODMCTROFOO

BUS0BUS1BUS2BUS3BUCKCCEDSPRST

LOADLD/FECDON

SW1,SW2,RESET

/BUSIOBUSIOBUSSIBUSSOBUSSCK

BUSSI/SOBUSCLK

BCKLRCKDATA

SDO

VOUTLVOUTR

DACMLDACMCDACMDDACCS

DSPRST

CD.L-CHCD.R-CH

IO0~IO7AD0~AD16OE,CE,WR

MP3RSTMP3DAMP3CK

CDRESETDISCSELCDMUTECDREQB.DETP.DET

LOAD/FEED+LOAD/FEED-SPINDLE+SPINDLE-TRACKING+TRACKING-FOCUS+FOCUS-

TU.RTU.L

FM VTAM VTFM/AM OSC

SEEK/STOPSD/STFM/AMMONO

SMSQ

AFCKPLLCEPLLDAPLLCLPLLDI

CD.L-CHCD.R-CH

RESET

VOLDAVOLCL

EPROMCLKEPROMDOEPROMDI

CDMUTECDREQCDRESETB.DETP.DETBUSSI/SO

REMOCONENC1,ENC2LCDCE,LCDDALCDCLKEY0,KEY1,KEY2

SI/SOSCK

CH.LCH.R

AUX.LAUX.R

BUSSOI/OBUSINTBUSSCK

OUTLFOUTRF

SWLSWR

L, R

OUTRFOUTRR

FRONTRREARR

FRONTLREARL

INLFINLR

INRFINRR

OUTLF+OUTLF-OUTRF+OUTRF-OUTLR+OUTLR-OUTRR+OUTRR-

LRCKBCK

CN251

BUSSI/SOBUSCLK

SUBWMUTE

IC702RESET

KD-SX998R,KD-SX997R

2-2

KD-SX998R,KD-SX997R

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

Rear signalFront signal

CD signal

CD-changer signal

Standard schematic diagramsMain amplifier section

To

CD

ser

vo c

ontr

ol s

ectio

n C

N50

1 T

o LC

D &

Key

con

trol

sec

tion

CN

601

R1

C316

R738

IC801

IC901

IC71

Q782

R739

IC702

R740

C311

C181

R734

J1

L1

D1 D2

Q7

Q91

D713

R5

R4

R6

R735

R736

IC701

R743

BZ841

R744

R745

R733

C241

IC31

R38

R786

C901

Q81

C163

C173

C50

C176

C177

C182

C81

C1

R81

R91

R92

C92 C82

R82

Q2

Q5

C72

C76

C71

C75

C74X71

R71

R73R72

C73

C5

R3

Q781

D722

R161

D721

C724

R164

R163

X31

D998

L701

R162

C36

C35

C46

C175

C172

C162

C161

C174

C171

C164

D997

S702

R746

C39

C47

R808

D996

R807

R39

C91

D995

R759

Q703Q702

IC161

R760

D972

R803

R804

R805

R806

R810

R809

C801

Q9

Q701

VSS

R783

D781

R720

R719

VDD

R758

Q881

VPP

D994

D993

Q705

R780

R34

R781

X1

C706

R37

R36

R741

R243

R242

RESET

TD

C243 R244

C301

Q241

D243

R742

C781

D992

RD

R732

R35

R756

X701

D991

X702

R787

R178

R177

R168

R167

C384

C361

C2

D3

Q891

C11

C891

R891R892

C968

C966

C967

C965

C964

R766

C3

C963

C962

C961

IC301

R714

IC361

B1

IC381

R2

C363

D902

C364

R362

R363

R364

R361

R365Q6

C383

Q3

C242

R8

R313 R314

R304

R881

R303

Q784

R882

C77

C382

C362

C385

R382

R43

C38

R44

C804

R383

Q841

R747

R748

R749

Q31

D331

R384

R730

D784

C782

C713

R311

R312

R301

R302

R782

C6

C302

C322

C365

C323

C324

C325

D321

Q4

D901

C381

R901

C902

C711

R332

R352

R322

R342

R385

B401

R341

R351

R331

R321

R784

R729

R731

C784

Q52

D782

S701

IC771

C271

Q977

C312

D271

C33

C179

C252

C37

R32

C34

C771

C52

C272

C273

D341

R53

B802

C257

C253

C251

D351

R737

C710

R54

Q51

R757

C83

R245

R241

C256

C55

C802

C54

R56

R57

R58

S703

R764

C726

C261

C255

R254

D971

R253

C254

R256

R257 R258

R261

Q271D272

R271R272

R273

R165

R166

R12

C718

R767

R768

D402

D401

C401

R401

C9

R11

R248

D244

D251

B801

C258

C714

C29C30

TU1

C40

C90

3

C43

CN

701

F1

L901

D70

1

R7

C91

0

C90

6

R74

C71

6

C31

3

C4

R84

1

R42

C31

CN

101

R75

1

C31

4

C30

3

C30

4

D71

8D

717

D71

9D

720

C71

5

R83

R93

C48

R36

9

R36

8

C72

5

R31

C24

5

R76

5

D70

3

R75

0

C90

4

R9

C41

R51

D71

4

D89

2

C31

9

C24

4

C90

5

R80

2

R80

1

C30

6

C31

8

R75

3

R72

1

R72

2

R72

3

Q70

4

C32

R72

4

C49

C90

9

R24

6R24

7

C94

D24

2

R72

6

R72

8

R97

2

C70

1

C70

2

Q35

1

R33

C70

3

C70

4

C95

C85

C10

C36

7

D89

1

CN

901

Q97

6

Q8

R97

7R

976

C39

2

C39

0

C38

9

C38

8

C36

9

C90

7

C90

8

C38

6C

366

C70

7

D70

5

D70

7

R10

D70

9

D70

2

D70

4

D70

6

D70

8

C80

3

R97

1

C31

7

C71

7

R38

1

Q53

C84

1

R59

C91

2

C32

0

R31

6

C91

1

C31

5

R90

3R

902

D4

Q33

1

Q32

1

R72

5

R40

R35

3

R34

3

R33

3

R32

3

R36

6

R36

7

R41

R38

7C

881

R38

6

C39

1

R38

9

R38

8

C42

C45

C73

2

R77

1

C72

2

C72

1

C72

0

Q1

C44

C91

4

C51

R77

2

C91

5

IC25

1

R25

9

R52

C70

8

C70

5

R70

1

R25

1

R55

C53

R25

2

C70

9

D71

0

Q34

1

C97

1

D5

C73

1

C34

1 C32

1

C84

R75

4

R75

5

R25

5

C36

8C

387

C26

2

R19

7R

196

C72

8

C73

0

C30

5

R40

2

C71

9

47/6.3

4.7K

HD74HC126FP-X

HA13164A

SAA6579T-X

UN2211-X

4.7K

IC-PST600M/G/-W

4.7K

0.33

100/16

2.2K

QNB0100-002

4.7

UN2211-X

2SD601A/R/-X

UDZS5.6B-X

47K

3.3K

47k

2.2K

2.2K

UPD784215AGC220

10K

QAN0023-001Z

10K

10K

10k

1/50

TB2118F-X

100

0

3300/16

2SD601A/R/-X

1/50

1/50

100P

0.0033

0.0033

0.01

1/50

6.8k

6.8k

27k

820P 820P

27k

2SD601A/R/-X

2SB709A/R/-X

0.0220.01

560P

47P

82P

QAX0263-001Z

2.2k

2.2k2.2k

2.2/50

1/50

4.7k

UN2111-X

UDZS11B-X

2.2K

UDZS11B-X

0.1

0

270K

QAX0616-001Z

RB160M-30-X

4.7

2.2K7P

10P

0.01

1/50

1/50

1/50

1/50

1/50

1/50

1/50

RB160M-30-X

QSW0451-001

10K

1000P

0.01

330

RB160M-30-X

100K

0

1/50

RB160M-30-X

UN2211-XUN2211-X

TDA7404D-X

47K

RB160M-30-X

100

22K

100k

10k

100

22k

0.047

UN2111-X

UN2211-X

10K

1SS355-X

1.2K

0

47K

UN2211-X

RB160M-30-X

RB160M-30-X

UN2211-X

47k

2.2K

47k

0.047

2.2K

2.2K

10K

180k

22k

0.047 12k

0.33

2SD601A/R/-X

RB160M-30-X

10K

47/6.3

RB160M-30-X

10K

2.2K

47K

QAX0617-001Z

RB160M-30-X

QAX0401-001

10K

4.7/25

4.7/25

1SS355-X

UN2211-X 0.1

1K47K

100P

100P

100P

100P

100P

47K

100P

100P

100P

LA47505

10K

BA3220FV-X

0

BA3220FV-X

47K

47/16

1SS355-X

4.7/25

24k

24k

150K

33K

33K

2SB624/4/-X

47/16

UN2111-X

22/16

10K

120K 120K

120K

47k

120K

UN2111-X

4.7K

47/6.3

4.7/25

4.7/25

4.7/25

24k

470

1000P

220

22P

24k

UN2211-X

4.7K

4.7K

4.7K

UN2211-X

1SS355-X

150K

10K

UDZS11B-X

0.082

0.01

82K

82K

82K

82K

47K

0.33

0.1

4.7/25

0.1

0.1

0.1

1SS355-X

UN2111-X

1N5401-F64

4.7/25

1K

2.2/50

820

820

820

820

33K

0

2.2k

2.2k

2.2k

2.2k

47K

47K

47K

100/16

2SC2412K/R/-X

1SS355-X

QSW0451-001

BR24L32F-W-X

0.047

2SA1037AK/RS/-X

0.33

1SS355-X

47/6.3

47/16

47/6.3

10P

6.2K

0.047

0.047

0.01

100P

100P

1SS355-X

47k

0

0.039

10/16

0.01

1SS355-X

0

47/6.3

10k

2SC2412K/R/-X

2.2K

0.1

47

47k

0.01

1SS355-X

0.47/50

0.01

0.1

10k

15k

470

QSW0534-001

100

150P

10/16

47/16

470K

RB160M-30-X

100K

0.082

100K

8.2K

10K

820

2SD1781K/QR/-X1SS355-X

2.2K

100

100

10K

10K

0

330P

47K

1SS355-X

UDZS6.2B-X

100P

2.2K

10/16

10K

220

UDZS5.1B-X

UDZS4.7B-X

0

330P

330P

0.010.01

QAU0292-001

10/1

6

47/1

6

12

0.04

7

QN

Z00

07-0

02

QM

FZ

047-

150-

T

QQ

R07

03-0

01

1SS

355-

X

1SS

355-

X

4.7K

47/1

6

0.01

100

0.1

390P

220/

10

1K

10

100/

10

QG

B20

27M

4-22

S

10K

390P

390P

390P

0.1

22/1

6

4.7k

4.7k

0.04

7

47K

47K

150P

10

0.22

/50

510

10K

10/1

6

100

0.04

7

22K

SLR

-56M

C3F

1SS

355-

X

0.02

2

0.01

5

22/1

6

47K

47K

1/50

22/1

6

47K

1K 10K

10K

UN

2211

-X

47P

0

0.00

1

220/

10

1k

68K

0.01

2

1SS

355-

X

10K

10K

2.2K

22P

27P

2SD

1781

K/Q

R/-

X

10K

27P

8P

0.04

7

0.00

22

0.00

22

220/

10

4.7/

25

1SS

355-

X

QN

Z01

12-0

01

UN

2211

-X

UN

2211

-X

8.2K

20K

0.01

0.01

100/

10

100/

10

4.7/

25

100/

10

220/

10

220/

10

100/

1010

0/10

0.04

7

0

22P

2.2K

47/1

6

0.1

33K

UN

2211

-X

0.1/

50

47K

0.01

0.02

2

1K

0.1

0.01

4.7/

50

4.7K

9.1K

1SS

355-

X

220/

10

2SD

1781

K/Q

R/-

X

2SD

1781

K/Q

R/-

X

10K

39K

100

100

100

100

10K

10K

10K

10K

22/1

6

10K

0.01

47K

47K

0.01

0.00

27

100P

270

0.01

0.01

0.01

2SD

601A

/R/-

X

0.01

100/

16

330P

270

0.1

NJM

4565

M-W

E

1.2K

47k

0.04

70.04

7

47k

100K

2.2k

0.00

47

47K

0.01

2SD

1781

K/Q

R/-

X

0.1

1SS

355-

X

100P

0.04

7

0.04

7

0.01

2

820

10M

0

4.7/

254.

7/25

10/1

6

100K

100K

220/

10

0.01

1/50

22K

0.01

REMOCON

AGND

CH.R

TU.R

DIMMER

POWER

AUX.R

ACC5V

TU.L

VOLDA

VOLCL

CD.L-CH

GND

GND

CD.R-CH

CD.R-CH

CDMUTE

10V

ENC1

ENC2

CH.L

CH.R

CDREQ

AUX.G

CDRESET

B.DET

I/O

KEY0

LCDCE

LCDDA

LCDCL

KEY2

KEY1

AUX.G

AUX.L

AUX.R

SD/ST

I/O

BUSSO

BUZZER

P.DET

BUSSCK

LCDCE

LCDCL

LCDDA

KEY2

KEY1

KEY0

ENC2

BUSSO

BUSSI/SO

BUSSI/SO

BUSCLK

VDD5V

9V

BUSINT

CD.L-CH

AUX.L

SQ

CONT+B

BUSSCK

SUBWMUTE

SWLR

SM

SQ

VOLDA

VOLCL

LEVEL

PLLDI

GND

ON.5V

TELMUTE

CH.L

CD8V

PLLCE

PLLDA

PLLCL

BUSCLK

BUSSI/SO

SUBWMUTE

RD

SC

L

RD

SD

A

PS

2

VT

TU

.OS

C

AF

CK

SM

SE

EK

/ST

P

BU

SIN

T

PO

WE

R

FM

/AM

BU

ZZ

ER

PS

2

B.D

ET

RE

SE

T

P.D

ET

CD

RE

Q

CD

RE

SE

T

CD

MU

TE

/CD

RE

Q

/CD

MU

TE

RE

SE

T

/CD

MU

TE

/CD

RE

Q

TU

.VC

C

MO

NO

RE

MO

CO

N

EN

C1

SE

EK

/ST

P

RD

SD

A

RD

SC

L

PLL

DI

PLL

CL

PLL

DA

PLL

CE

FM

/AM

AM

.VC

C

AF

CK

FM

.VC

C

SD

/ST

KD-SX998R,KD-SX997R

2-3A B C D E F G

1

2

3

4

5

CD signal

CD servo section

To

Mai

n am

plifi

er s

ectio

n C

N10

1

R516

IC621

IC652

IC501

IC653

R581

Q601

R615

L623

C509

R505

R506

R601

R602

R603

R604

R515

C603

R607

R608

C610

R610R611

R612R614

R613C611

C605

R632

R633

R634

C631

C632

C636

C637

C630

C627

C626

C625

R629 C629C628

C623

R626

R625R624

R628

C614

C643

L502

R502

R501

IC504

R507

R508

R509

R510

R511

R512

R513

R514

R517R518

R519

R520

R521

R522

R523

R524

R525

R536

R535

R534

R533

R537

C613

R538

R539

R541

R542

Q501

R540

C502

TH501

R546

X501

C506

C505

R543

R545

C504

C507

C503

R677

C667

C666

C663

C656

R568

R674R675

C664

C665

C668

R651

R652

R653 R658

R659

C658

C657

R664

R665

R666

R667

R661

R662

R663

C659

C660

C669

C671

C672

C673

X571

R570

L622

L651

R582

C585

C586

Q572

Q571

R583

R585

R584

R586

C587

C588

C589

C590

R547

R548

R549

R550

C511

C513

C512

R561

R563 R562

R556R553

R569

C685

C686

C551

C687

Q502

IC681

R681

R683

R685

R684

R686

C612

Q681

C682

C690

C688

D506

L501

IC60

1

B68

1

IC50

2

IC57

2

CN

501

D50

5

D50

4

D50

3

D50

2

D50

1

C64

4

C61

5

R61

6

C60

1

C60

2

R60

5

R60

6

C60

4

C60

9

C60

8

R60

9

C60

6

C60

7R

630

R63

1

C63

3

C63

5

C63

4

R63

5

R63

6

R63

7

C63

8

C63

9

C62

4

R62

7

R62

1

R62

2

R62

3

C62

2

C62

1

R63

8

R63

9

R64

0

R64

1

R64

2

C64

5

C64

6

C64

0

C64

1

C64

2

L652

L621

C50

1

R50

3

R50

4

IC50

3

IC65

1

R52

7

R52

8

R53

0

R53

1

C50

8

C65

1

C65

2

C59

8

C65

3

R66

8

R67

3

R67

2

R67

1

R67

0

R66

9

L653

C65

4

R65

4

R65

5

R65

6

R65

7

R66

0

C66

1

C65

5

C66

2

L572

R57

4

C57

1

C57

2 C57

4

C57

5

C57

6

C57

3

R57

2

R57

3

C57

8

C57

9

C57

7

C58

0

IC57

1

C58

2C

581

C58

3C

584

R58

8R

587

R59

2

R59

0

R59

1R

589

C59

1

C59

2

C59

3

R54

4

R56

0

R55

2

R55

8R

559

R55

1

R55

5

R55

7

R55

4

C51

0

C59

4

CN

601

D68

2

R68

2

R68

7

R56

7

C68

4

C68

3

R68

8

R68

9

C59

6

C59

5

R59

3

C68

9

C59

7

L571

100

TC94A14FA

TC94A02F-007

UPD784225GK-629

LP61L1024S-12-X

20k

2SB1132/QR/-W

150

47u

0.01

1k

1k

82k

82k

330k

330k

100

100/6.3

82k

820

5P

10010k

2k15k

1k68P

0.0068

0

0

0

470P

470P

0.047

0.047

0.033

0.01

0.0027

0.01

10k0.033

47/6.3

47P

470k

47k

5.6k

1.5M

0.01

0.01

47u

270

8.2k

NJU7241F33-X

100

100

100

100

100

100

100

1k

100

4.7k

100

100

100

100

100

100

100

1k

47k

47k

47k

47k

0.01

47k

1k

1k

100

UN2111-X

47k

0.01

NAD0022-103X

100k

NAX0430-001X

22P

27P 0

10k

100/6.3

0.47

0.01

1M

0.01

100P

0.1

0.1

1k

330

330

0.0270.33

47/6.3

100k

470k

470k 470k

470k

0.1

0.1

470k

470k

470k

470k

470k

470k

470k

0.1

100P

0.01

47/6.3

0.1

100P

1k

47u

47u

20k

4.7/35

4.7/35

UN2211-X

UN2111-X

12k

30k

12k

30k

120P

120P

4.7/35

4.7/35

4.7k

4.7k

4.7k

4.7k

0.1

0.01

100/6.3

100k

6.8k

3.9k

0

18k

1k

0.047

0.047

0.01

0.047

UN2211-X

LA6579H-X

6.8k

4.7k

33k

15k

8.2k

0.01

2SB1184/QR/-X

10/16

10/6.3

0.047

RB160M-30-X

47u

TA

2157

FN

-X

0

BR

24C

01A

FV

-W-X

NJM

4565

V-X

QG

B20

27L1

-22X

1SS

355-

X

1SS

355-

X

1SS

355-

X

1SS

355-

X

1SS

355-

X

0.33

10/6

.3

10k

47/6

.3

0.01

22 22

0.01

0.1

0.1

56k

47/6

.3

0.01

100

100

0.04

7

0.04

7

0.04

7

100

100

1M

0.01

47/6

.3

0.01

510

k

47 47 47

47/6

.30.01

4.7k

4.7k

4.7k

4.7k

10k

47/6

.3

0.01

0.01

47/6

.3

100P

47u

47u

0.47

10k

270

HD

74H

CT

126T

-X

NJU

7241

F25

-X

100k

47k

47k

47k

0.01

47/6

.3

0.01

1000

P

47/6

.3

0R0

470k

470k

470k

470k

470k

47u

0.1

47 0 0 0

470k

0.01

0.01

100P

47u

47N

AX

0375

-001

X

10P

10P

10/1

6

47/6

.3

0.1

0.1

47k

47k

47/6

.3

10/1

6

0.1

0.1

PC

M17

16E

-X

100P

100P

820P

820P 47

k47

k

10k

10k

10k

10k

47/6

.3

47/6

.3

47/1

6

1k

100

100k

100k

0

100k

100

100k

33k

1000

P

1000

P

QG

F05

27F

2-22

W

1SR

154-

400-

X

6.8k

0

100

47/1

6 0.1

30k

22k

100P

0.04

7

4.7

47/1

6

1000

P

47u

DISCSEL

VA

VF

VE

VB

MD

LD

FOCUS-

FOCUS+

MD

RWSEL

LD

LOAD/FEED+

SEL

TEB

RFGC

TE

RFDC

RFRP

VDD5V

FE

RFBUS0

BUS3

BUS2

BUS1

BUCK

CCE

DSPRST

AGND

DSPRST

CCE

BUCK

BUS3

BUS2

BUS1

BUS0

CDREQ

CDMUTE

MP3DA

RWSEL

MP3CK

MP3RSTB.DET

P.DET

IOPTRO

IO7

IO6

IO5

IO4

IO3

IO2

OE

AD12

AD11

IO2

IO1

IO0

AD0

AD1

AD2

AD3

AD4

AD5

AD6

AD7

AD12

AD14

AD16

IO3

IO4

IO5

IO6

IO7

CE

AD10

OE

AD11

AD9

AD8

AD13

WR

VREF

AD15

BUSSO

IOP

CD.L-CH

LD/FE

CDON

ON5V

CD.R-CH

CD.L-CH

9V

LOAD

CD.R-CH

TRACKING+

TRACKING-

BUSSI/SO

SPINDLE+

SPINDLE-

LOAD/FEED+

BUSSCK

LOAD/FEED-

BUSCLK

REST

SW2

SW1

BUSIO

/BUSIO

9V

ON5V

BUSSI

CDMUTE

CDREQ

P.DET

B.DET

CDRESET

VB

VA

VF

VE

GND

LOAD/FEED-

SPINDLE+

SPINDLE-

TRACKING-

TRACKING+

FOCUS+

FOCUS-

CD8V

FMO

DMO

FOO

CDON

LD/FE

AGND

8VD

ET

FE

RF

RP

RF

GC

RF

SE

L

TE

B

RF

DC

TE

FO

O

TR

O

FM

O

DM

O

LOA

D

BC

K

LRC

K

DA

TA

/BU

SIO

BU

SIO

BU

SS

I

BU

SS

O

BU

SS

CK

CD

ON

DA

CC

S

DA

CM

D

DA

CM

C

DA

CM

L

RE

ST

SW

2

CD

RE

SE

T

8VD

ET

SW

1

VR

EF

DIS

CS

EL

MP

3RS

T

MP

3DA

MP

3CK

AD

0

AD

1

AD

2

CE

AD

5

AD

3

AD

4D

AT

A

BC

K

LRC

K

SD

O

VR

EF

AD

10

AD

9

AD

8

AD

7

AD

6

AD

13

AD

14WR

AD

16

AD

15

IO0

IO1

LRC

K

SD

O

BC

K

DA

CM

L

DA

CM

C

DA

CM

D

DA

CC

S

DS

PR

ST

KD-SX998R,KD-SX997R

2-4

KD-SX998R,KD-SX997R

HA B C D E F G

1

2

3

4

5

To

Mai

n am

plifi

er s

ectio

n C

N70

1

LCD & Key control section

R654

R644

R652

LCD1

IC601

R669R668

EN601

D611 D614

R611

S614

IC602

S606

R660

S601

S608

S602S603S604S605

S609S610S611S612

S613

R663R664

S615S616S617

R612R613R614

R606R607R610 R609 R608 R605

R601R602R603R604

S607

R662

R661

R659R658R657

R653

R651

C608 C609

J601

CN

601

R65

6

D65

3

C60

6

D65

4

D60

4

D64

1

R63

1

R63

2

R64

1

R64

5

Q64

2R

646

R63

3

R63

4

R63

5

R63

6

R63

7

C60

7

C60

4

D65

5

R67

0

R66

6

R65

5

R63

9

D65

6

D65

7

D60

8

D65

1

C60

5

D60

5D60

3 D61

0

C60

2

D60

7

D60

6 D61

3

D60

9

R62

4

D61

5

R62

3

D60

2R

621

R62

2 C60

3

C60

1

D60

1 R63

8

D61

2

R66

7

R64

0

D65

8

D65

2

R62

5

D61

6

D61

7

D61

9

D61

8

D62

0

D65

9

R62

6

R62

7

R62

8

R62

9

R63

0

R62

0

Q64

1

D64

2

D64

3

R64

3

R64

2

R68

1

R65

0

R68

0

220

470

47k

QLD0257-001

LC75873NW

QSW0976-001

SML-310VT/JK/-X SML-310VT/JK/-X

820

RPM6938-SV4

10k

3.3k3.3k

8201.2k1.8k

8201.2k3.9k 2.7k 1.8k 820

8208201.2k1.8k

3.3k

470

10k10k10k

1k

47k

0.01 0.01

QNS0215-001

QN

Z00

06-0

01

330k

1SS

355-

X

4.7/

6.3

1SS

355-

X

SM

L-31

0VT

/JK

/-X

NS

PW

310B

S/B

RS

/

1.2K

1.2K

430

47k

UN

2211

-X1k

910

910

1.8K

1.8K

0.04

7

0.22

1SS

355-

X

470

0

390k1S

S35

5-X

1SS

355-

X

SM

L-31

0VT

/JK

/-X

UD

ZS

5.1B

-X

0.22

SM

L-31

0VT

/JK

/-X

SM

L-31

0VT

/JK

/-X

SM

L-31

0VT

/JK

/-X

0.01

SM

L-31

0VT

/JK

/-X

SM

L-31

0VT

/JK

/-X

SM

L-31

0VT

/JK

/-X

SM

L-31

0VT

/JK

/-X

SM

L-31

0VT

/JK

/-X

SM

L-31

0VT

/JK

/-X

NS

W00

66-0

01X

NS

W00

66-0

01X

220P

4.7/

6.3

NS

W00

66-0

01X

NS

W00

66-0

01X

SM

L-31

0LT

/MN

/-X

NS

W00

66-0

01X

NS

W00

66-0

01X

NS

W00

66-0

01X

NS

W00

66-0

01X

NS

W00

66-0

01X

NS

W00

66-0

01X

NS

W00

66-0

01X

NS

W00

66-0

01X

SM

L-31

0VT

/JK

/-X

NS

W00

66-0

01X

0

NS

W00

66-0

01X

NS

W00

66-0

01X

NS

W00

66-0

01X

1SS

355-

X

NS

W00

66-0

01X

1SS

355-

X

1.2K

SM

L-31

0VT

/JK

/-X

LNJ3

08G

81/1

-3/X

SM

L-31

0VT

/JK

/-X

SM

L-31

0VT

/JK

/-X

SM

L-31

0VT

/JK

/-X

UD

ZS

5.6B

-X

1.2K

560

560

560

560

820

2SB

624/

4/-X

NS

PW

310B

S/B

RS

/

NS

PW

310B

S/B

RS

/43

0

430

0

0

0

LCDCE

LCDDA

LCDCL

KEY0

ACC5V

AUX.L

AUX.R

ACC5V

ENC2

10V

LCDCL

S22

S62 KEY1

ENC1

10V

REMOCON

COM3

COM2

S23

S24

S25

S26

S27

S28

S29

S30

S31

S32

S33

S34

S35

S36

S37

S38

S39

S40

S41

KEY1

KEY2

KEY0

S63

S64

S65

S66

S67

LCDDA

COM1

LCDCE

KEY2

ENC2

ENC1

S28

S27

S26

S67

S66

S65

S64

S63

S62

S61

S60

S59

S58

S57

S56

S55

S54

S53

S52

S51

S50

S49

S3

S68S

2 S1

S25

S24

S23

S22

S21

S20

S19

S18

S17

S16

S15

S2S1

S42

CO

M3

CO

M2

CO

M1

S48

S47

S46

S45

S44

S43

S42

S41

S40

S39

S38

S14

S37

S36

S35

S34

S33

S32

S31

S30

S29

S3

S4

S13

S5

S6

S7

S8

S12

S9

S11

S10

S68

S4

S5

S6

S7

S8

S9

S10

S11

S12

S13

S14

S15

S16

S17

S18

S19

S20

S21

S43

S44

S45

S46

S47

S48

S49

S50

S51

S52

S53

S54

S55

S56

S57

S58

S59

S60

S61

KD-SX998R,KD-SX997R

2-5A B C D E F G

1

2

3

4

5

Printed circuit boards

Forward side

Main board

Reverse side

Main board

BZ841

C1

C2

C3

C4

C5

C6

C31

C33 C34

C35

C36

C37

C38

C39

C40

C41

C43

C44

C45

C46 C47

C55

C72

C73

C74

C75

C76

C77

C81

C82

C84

C91

C92

C94

C161

C162

C163

C164

C171

C172

C173

C174

J321

D1

C179

C181

C241 C242

C243 C244

C245

C252

C253 C

256

C261

C262

R261

C271

C272

C273

C401

D401

C303 C304

C305

C306

D402

C313

C314

C315

C316

C317

C318

C319

C320

C321

C322 C323

C324

C325

C341

C361

C362

C363

C364

C365 C366

C367

C368

C369

C381

C382

C383 C384

C385

C386

C387

C388

C389

C390

C391

C392

C701 C702

C703

C704

C705

C706

C707 C708

C709

C710

C711

C713

C715

C716

C717

C771

C781

C782

C784

C801

C802

C841

C851

C852

C881

C891

C901

C902

C903

C904

C905

C906

C907

C908 C

909

C912

C914

C971

CN101

CN701

CN901

D4

D5

C257

C728

B401

D271

D272

D701

D702 D

703 D

704 D

705

D706

D707 D708

D709

D710

D713

D714

D784

D901 D902

D971 D972

IC301

IC901

J1

L1

L701

L901

Q1

Q2

Q3

Q5

Q6 Q7

Q8

Q53

Q271 Q331 Q351

Q781

Q784

Q841

Q976

R1

R2 R3

R4

R5

R6 R7

R8

R9

R31

R32

R33 R34 R35 R36 R37

R38

R39

R40

R41

R42

R57 R58

R59

R71

R72

R73

R74 R81 R82

R91 R92

R161

R162

R164

R167

R168

R177

R178

R246

R247

R253

R254

R255 R256 R257

R259

PP404

R271

R272

R273

R311

R312

R313

R314

R322

R323

R332

R333

R342

R343

R352

R353

R361 R362

R363

R364 R365

R366

R367

R368 R369

R381

R382

R383

R384

R385

R386

R387

R701

R714

R719

R72

0

R721

R722

R725 R728

R729

R733

R739

R740

R741 R742

R751 R753

R754 R755

R756

R757

R758

R759 R760

R764

R765

R801

R802

R803

R804

R805

R810

R841

R851

R901

R902 R903

R971 R972

R976 R977

RD

RESET

S701

S702

TD

TU1

VDD

VPP

VSS

X1

X31

X71

X701

X702

B1

C8

B12

B4

D2

B3

B7

PP405

D242

CN

251

C722

Q702

Q703

Q701

Q705

R781

R10

C255

R76

6

C804

C803

C175

C720

C721

B14

C725

PP401

PP403

PP402

C258

B8 B9

B6

B5

B2

C85

C95

C10

S703

D720 D719

D718

D717

C724

D243

CN401

C9

R11

C730

C301 C302

C311

C312

R768

R767

D3

D782

D781

D251

C712 C714

C718

C726

C732

C731

C729

C30

C29

C71

9

BZ841

C1

C4

C5

C31

C32

C33

C40

C42

C43

C48

C49

C50

C51 C52

C53

C54

C55

C71

C73

C77

C81 C83 C91

C161

C162

C163

C164

C171

C172

C173

C174

C91

1

J321

C179

C181

C182

C241

C242

C245

C251

C252

C253

C254 B13 C261

C262 C305

C306

R401

C31

5

C316

C317

C318

C361

C362

C363 C364

C365

C36

6

C367

C368 C369

C381

C382

C383 C384

C385

C386

C387

C388

C389

C390

C710

C711

C781

C784

C841

C851

C881

C901

C902

C903

C904

C905

C907

C908

C909

C910

C914

C91

5

C961

C96

2

C963

C964

C965

C966

C967

C968

CN101

CN701

CN901

C728

D32

1 D

331

D34

1 D

351

D714

D85

1 D852

D891

D892

D901 D991

D992 D993

D99

4

D995

D99

6

D997

D998

IC31

IC71

IC161

IC25

1

IC301

IC361

IC381

IC701

IC702

IC771

IC801

IC901

J1

J801

L1

L701

L901

Q4

Q9

Q31

Q51 Q52

Q81

Q91

Q24

1

Q321

Q341

Q782

Q881 Q891

R43

R44

R51 R52

R53

R54

R55

R56

R83 R93

R163

R165 R166

R241 R242

R243 R244

R24

5

R25

1

R252

R258

PP404

R301 R302

R30

3

R30

4

R31

6

R321

R33

1

R34

1

R35

1

R38

8

R38

9

R723

R724 R726

R730 R731

R73

2

R73

4 R

735

R73

6

R73

7 R

738

R74

3 R

744

R74

5

R74

6

R74

7 R

748

R74

9

R75

0

R771

R772

R78

2 R783 R784

R80

6

R80

7 R

808

R80

9

R881

R882 R891 R892

R901

S701

S702

R402

TU1

X31

X71

X701

X702

B12

B4

B3

B7

PP405

CN251

Q704

R780

C255

C175

PP401

PP403

PP402

B8

B9

B6

B5

B2

R196

R197

C10

C11

S703

R12

CN401

D722

D72

1

R786

C177

C176

C9

R787

C301 C302

C31

1

C31

2

R248

D244

B801

B802

KD-SX998R,KD-SX997R

2-6

KD-SX998R,KD-SX997R

HA B C D E F G

1

2

3

4

5

Front board

Forward side

Front board

Mecha control board Mecha control board

Reverse side

Forward side Reverse side

D601

D602

D603

D604

D605

D606

D60

7

D60

8

D609 D610 D611

D612 D613 D614 D615

D616 D617

D61

8

D619

D620

D64

1 D

642

D64

3

EN

601

IC602

J60

1

R601

R602 R603

R604

R605 R60

6

R60

7

R60

8 R609 R610

R61

1 R

612

R61

3 R614 R

635

R63

6 R

637

R63

8

S601 S602

S603

S604

S605

S606 S607

S608 S609 S610 S611 S612

S613

S614

S615

S61

6

S61

7

LCD1

C601

C60

2 C603

C604 C605

C60

6

C60

7

CN601

D641

D642 D643

D651

D652

D653

D654 D655

D656

D65

7

D65

8

D65

9

EN

601

IC60

1

IC60

2

J60

1

Q64

1

Q64

2

R62

0

R62

1

R62

2

R623

R624

R62

5 R

626

R62

7 R

628

R62

9

R63

0

R63

1 R

632

R633

R634

R64

1

R64

2 R

643

R64

4 R

645

R646

R65

0

R651 R652

R653

R654

R65

5

R65

6

R65

7

R65

8

R659

R66

0 R

661

R66

2 R

663

R66

4

R666

R667

R66

8 R

669

R67

0

R63

9

D66

0

C608

R68

0

R68

1

C60

9

R64

0

C571

C572

C573

C576

C602

C605

C608

C609

C610

C611

C621

C625 C

626 C

627

C631 C632

C636

C637 C

638

C640

C642

C643

C644

C646

C663

C664

C665

C666

C667

IC653

R517 R519 R520

R521

R522 R523

R524

R525

R526 R527 R528 R529 R531 R532

R534 R535

R564

R565 R566

R571 R574

R601

R602

R603

R604

R605 R606

R607 R608

R609

R610

R611

R612

R613

R614

R615

R621 R622

R623

R624

R625 R

626

R627

R628

R629

R630 R631

R632

R633

R634

R635 R636

R637

R638

R639

R640 R641

R642

R666

R667

R668

R669

R670 R671

R672 R673

R674

R675 R676

R677

TH501

C614

C675 C676

R616

R567

C50

1

C50

2

C503

C50

4

C505 C506

C507

C50

8

C50

9

C51

1

C51

2

C513

C551

C57

4

C57

5

C577 C57

8

C57

9

C58

0

C58

1

C58

2

C58

3

C58

4

C58

5

C586

C587 C588

C58

9

C59

0

C59

1

C592

C59

3

C60

1

C60

3

C60

4

C60

6

C60

7

C61

2 C

613

C62

2

C623

C624

C62

8

C62

9

C63

0

C63

3

C63

4 C

635

C63

9

C64

1

C64

5

C65

1

C65

2

C65

3

C654

C655

C65

6

C657 C658

C659 C660

C66

1 C

662

C66

8

C66

9

C67

1

C67

2 C

673

C681

C68

2

C683

C68

4

CN

501

CN

502

CN

503

CN601

D501

D502

D503

D50

4 D

505

D681

D68

2

IC50

1

IC50

2 IC

503

IC50

4

IC57

1 IC

572

IC601

IC62

1 IC

651

IC65

2

IC68

1

L501

L50

2

L571

L572

L621

L622 L62

3

L65

1

L65

2 L

653

Q50

1

Q502

Q571

Q572

Q60

1

Q681

R501

R50

2

R50

3

R50

4

R505 R506

R50

7

R508

R509 R510

R511

R512 R513

R514

R515

R516

R51

8

R53

0

R533

R53

6

R537

R53

8 R

539

R54

0 R

541

R54

2

R543

R545

R546

R54

7 R

548

R54

9 R

550

R551 R552 R

553

R554

R555 R556 R557

R558

R559 R560

R561

R56

2

R563

R57

2

R57

3

R58

1

R58

2

R583 R584 R585 R586

R587

R588

R589

R59

0

R59

1

R59

2

R651

R652 R653

R654 R655

R656 R657

R658

R65

9

R660

R661 R662 R663 R664 R665

R681

R68

2 R

683

R684

R685

R68

6

R687

X501

X57

1

RFDC

TEB

SEL

TE

FE

RFRP

RF

RFGC

RW

SEL

VR

EF

BU

S0

1

2

CC

E

BU

CK

3

X65

1

R689

VPP

CLK

SI

SO

R54

4 R

568

R56

9 R

570

RC

H

ON

5V

LR

CK

DSE

L

REQ

B

DET

SI/S

O

VD

D

BUSCK

PD

ET

RES

ET

CD

MU

TE

DAT

A

BC

K 9

V

LC

H

C64

7

C67

4

C510

C594

C59

7

C67

0

C52

1 C

522

C52

4

C52

6

C52

8

C53

0 C

531

C53

4

C535

C53

3

C52

7

C53

8

C53

9

C52

3

C52

5

C52

9

C536

C53

7

C53

2

R688

C68

7 C68

5 C

686

C68

8

R690

C596 C595 R593

C598

C68

9

C69

0

C61

5

B681

D50

6

KD-SX998R,KD-SX997R

< M E M O >

KD-SX998R,KD-SX997R

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

(No.49819SCH)Printed in Japan

2003/03