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KS-FX480

Block diagram

FM

5

2 1 L1 FM/AM TUNER

16 17

LCH RCH

16 17 IC161 13 E.VOLUME

4 29 3 30

FRONT LCH FRONT RCH REAR LCH REAR RCH

14 12 IC301 15 11 POWER AMP

17 19 23 21 3 5 7 9

REAR LIGHT (+) REAR LEFT (-) FRONT LEFT (+) FRONT LEFT (-) FRONT RIGHT (-) FRONT RIGHT (+) REAR RIGHT (-) REAR RIGHT (+)

ANT

AM

20

CD-CH

18

15

4
LCH LINE OUTPUT

RCH

3
24
R

7
L

Head relay section

IC401 Dolby B type noise reduction system with playback equalizer amp.
PBFIN 1/2 PBRIN 1/2

F/R

49

IC701 MAIN MICON IC601 LCD LCD DRIVER

34/37

32/39 TAPE IN 45

2

Reel disk section

MOTOR

LED & KEYCONTROL PWB

1
MECHA CONTROL PWB MAIN PWB

A

B

C

D

E

F

G

2-1

KS-FX480

KS-FX480

Standard schematic diagrams
Main amp.section
CJ321 IC301 TU1 LA47503 QAU0257-001 R353 1k R354 C362 100 0.22 R343 1k R344 100 C361 A.GND R333 1k 1k R334 R324 100 100 0.22

5

J1 R91 QNB0100-002 L1 4.7uH R81 C92 C82 1/50 1/50 EVOLCLK EVOLDA

47k

47k

R323

R165

R166

D1 1SS133-T2

D2 1SS133-T2

R164

R162

1.5k

82

IC161 TEA6320T-X

2.2k

R331 R351

27k 27k C342 2.2/50 C352

2.2/50

C332

0.022

8.2k

KRC102M-T

10/16

10/16

10/16

0.01

10k

R8

Q4

0.1/50

R161

120p

10

0.001

R6

22k

10

R341 R321

27k C322 27k

2.2/50 2.2/50

CH.L

C2

C4

C3

R1

C6

R9 22k

C10

R7

C9

R82

C12 0.01

R92

C13

C11

R163

0.0082

C164

C81

C91

C1

C8

220/10

C163

0.0056 C181

C162

0.22

1/50

470p

470p

1/50

470p

47k

47k

47k

47k

C165

0.033

R322

C321

R342

C341

R352

C351

R332

4.7/25

4.7/25

10/16

TU.L KTA1267/YG/-T Q1 R34

C331

470p

3.9k TAPE.L

0.15 C166

C168

1/50 C182

C167

1/50

0.022

22/16

2.2/50

C314 C303 C301 C315 C313
2SA1706/ST/-T Q2 Q331 Q341 Q351 Q321 R301 2SD2144S/VW/-T 4.7k R305 D310 C319 0.1 D321 1SS133-T2 Q781 1SS254-T2 Q782 KRA102M-T KRA102M-T R302 R355 2.2k R345 10k C318 0.1 0.1

1k R32 1k R33 1k C34 C33

10k

R2

MTZJ9.1C-T2

2.2/50

10k

0.1/50

0.1/50

220/10

Q31

D4 1SS254-T2

0.001

1SS254-T2 D3

10k

R3

1/50

C175

C178

0.0056 C191

1/50 C192

0.15 C176

TU.R

C177

R325 2.2k

4.7k 0.1 C317 C316

KRC102M-T

C35

Q32

D31

C172

1/50 C195

R173

1/50

1.5k

Q3

47/16 C173

R35

TAPE.R

0.22

C31

C32

R5

1k

0.033

C174

R171

MTZJ11B-T2

R195

10 C197

100/10 C198

R175

0.01

R176

R335

47k

47k

R174

C196

100/10

47/16

S.METER

1SS133-T2

C782

D782

MONO

IFREQ

SD/ST

D32

BAND

2.2k

C781

220/10

1.5k

R172

1SS254-T2

1SS254-T2

2.2k

D781

4
EO

R36

22k

470

2.2k

D341

KRC102M-T

Q301

IFC

TU.R

TU.L

PCNT5V

PCNT14V

TUNER9V

9V

C199 470p

PCNT5V

9V

PCNT5V

9V

1k

KTC3199/GL/-T

R303

3.9k CH.R

0.0082

R10

2.2k

6.8

R4

CP701 QGB1214J1-18S 10V STDBY TAPEIN MODE SUBMO+ SUBMO9V PCNT14V TUNER.BUS

Q905 R706 C709 4.7k

2SA1855/RST

C901

2200/16

R243

R245

C304

180k

150k

150k

12k

D901

1N5401-F64

R908

47k

R892

47k

47k

0.1 C243

RB721Q-T2 D242

R241

R242

1K

KRC102M-T

0.047 1/50

1SS254-T2

C241

Q241

R909

Q881 KRC102M-T R881 4.7k

D891

Q906

D892 1SS254-T2

RB721Q-T2

R246

D241

C244

R248

56k

47

R244

LCDCE

LCDDA

0.47/50

LCDCL

Q891

C891

TAPE.L A.GND TAPE.R REEL MS

KRC102M-T

16k

C882 470p

C15

1200p

C881

0.1

R247

JBUS.SCK

JBUS.SO

JBUS.IO

JBUS.SI

PCNT14V CP981 QNZ0002-001

3.3k

3.3k

3.3k

2.2k

2.2k

2.2k

2.2k

4.7k

4.7k

4.7k

4.7k

F/R

IC701 LC72366-9A81

0.0047

Q977 R978 KTA1267/YG/-T R976

C702 22p

C701 27p

R977

R979

68k

3
CJ701 QNZ0007-002

R725

R748

R724

R739

R723

R722

R721

R720

R719

R718

R717

FF/REW MOTOR

100

Q976

R901

DOLBY

1k C242

22/16

KTC3199/GL/-T

22/16

L901

QQR0703-001

1k

KTC3199/GL/-T

R891

R882

C902 C17 27k 43k QAM0013-005 10/16 X701

IC902 REMOCON ACC5V C705 JOG1 JOG0 LCDCE LCDDA LCDCL KEY2 KEY1 KEY0 FF/REW Vdd5V R727 47k 10V 100/6.3 TUNER9V C704 D703 1SS133-T2 EO 0.22 D701 1SS133-T2 QAX0406-001Z KIA7810PI

C910 0.33

C911 0.1

AN80T05

R903 11k

C913

0.22

D704

R716

C708

Vdd5V PCNT5V IFC

9V Vdd5V L902 PCNT5V Q903 KRA102M-T Q930 Q901 47uH KTA1267/YG/-T 1SS254-T2 D908 C909 0.22

1SS133-T2

R728 IFREQ PCNT14V MONO R729

2.2k 2.2k

47k

0.01 C703 10/16

1SS254-T2

D909

DSK10C-T1 D907

D904 1A3G-T1

MTZJ5.6B-T2

R904

R753

47k

MTZJ5.6B-T2

MTZJ5.6B-T2

MTZJ5.6B-T2

MTZJ5.6B-T2

MTZJ5.6B-T2

MTZJ5.6B-T2

MTZJ5.6B-T2

MTZJ5.6B-T2

MTZJ5.6B-T2

0.1

0.1

750

D903

R906

47k

10/16

10/16

10/16

D705

D706

D707

D709

D710

D712

D713

2
C801 CP801 QNZ0095-001 R801 R802 R803 100k 100k 100 R809 0.047 10K

22k

C905

C912

C907

C906

C914

C904

2.2k

2.2k

4.7k

4.7k

2.2k

10k

10k

10k

10k

R714 R713 MEMORY R712 PCNT14V R702 JBUS.SI JBUS.SO JBUS.IO R703 R704 R705

47k 56k

10k

Q904

R738

R734

R730

R742

R741

R731

47k 47k

R743

R732

R735

R733

MEMORY 4.7k 4.7k Q907 4.7k R707 R708 47k 4.7k 47k 47k 47k 24k KTA1267/YG/-T

Vdd5V

REEL

R709 R710 R711

JBUS.INT

R750

KTC3199/GL/-T

R810

SUBMO+

SUBMO-

DOLBY

100k

R749

Q701

47k

MODE

JBUS.SCK

R814

R804

330k

2.4k

A.GND

IC801 HD74HC126P

R805

R812

R811 6.8k

2.4k

CH.L

R806

S.METER

R813

6.8k

CH.R

R808

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

MOTOR

TAPEIN

STDBY

JOG1

REMOCON

F/R

100

22k

MS

JOG0

KEY2

KEY1

R807

100k

330k

SD/ST

BAND

KEY0

Tuner signal
QSW0923-001 QSW0923-001 JBUS.INT S701
c14 56p

CD signal Tape signal Front signal Rear signal

1

S702

A

B

C

2-2

D

E

F

C903

47k

R931

R701

KRC102M-T

QSQ1A11-V06Z S930

KRC102M-T

Q902

D906

D708

D711

100

DSK10C-T1

R736

R737

1k

SLR-56MC3F

ACC5V

220/10

R907

R911

2200/6.3

10/16

D715

10k

10k

220/10

C706

C707

R905

1k

10k

D753

KTA1267/YG/-T

47k

R910

R930

1A3G-T1

QMFZ047-150-T

D702

1SS133-T2

ILL10V

47k

IC901

R902

6.8k

G

C302

R31

4.7/25

H

1 3 4 2 5

Mecha control section

A B
390 R401 C401 R402 C402 R403 C403 R404 C404 R405 100p 100k 100p 100k 100k 100p 100k QGF1219F1-10 100p CJ402 CJ403

C
100p C405 0.015 C410 R409 24k R408 12k

C409

100p C406 180 R406

100p 22/16 C407 180 R407

100p C408

0.015 C411

R411 12k VR401 33k C414 22/16 R412 100 0.1 C412 0.1 C413 R413 C416 C418 0.1 220p C417 18k 0.1 VR402 33k

R410 24k

D
QGB1214K1-18S CJ401 IC401 CXA2560Q 0.47/50 C419 R414 3.9k

E
C421 0.01 R415 22k 1.5M 0.1 C422 R416 C415 0.01

R417 10k

D402 R418 15k

1A3G-T1

Q403 2SB1322/RS/-T

3.3k R422

Q402 DTC114EKA-X

47k R423

F
MA3051/M/-X IC402 D401 R424 3.3k LB1641 C423 10/16 0.1 C424 R425 33 C425 0.01

Tape signal

G 2-3

KS-FX480

1 3 4 2 5

LCD & Key control section

A
S612 R610 1.5K 1.2K R609 S611 S610 S617 S605 910 R614 910 R608 R604 S609 910 S604 R607 R613 680 680 R603 S608 S603 R612 R606 560 560 R602 560 680 S616 S615

B
S607 S614 S602 680 R605 R611 680 R601 680 S606 S601 S25 S24 S23 R620 820 D601 S21 SML-310LT/MN/-X S19 S18 S17 S16 R623 910 S15 S14 S13 S12 S11 820 510 510 510 510 820 820 910 910 910 910 820 820 820 820 S10 S9 S8 R628 D611 R629 R630 D614 R631 R632 D616 D615 R633 R634 D617 R635 R636 D618 R637 R638 D620 R639 R640 D605 D604 D619 D613 D612 D610 D609 S7 S6 S5 S4 S3 S2 S1 LCD1 910 820 R624 D606 R625 R626 D608 R627 D607 R621 R622 820 D603 D602 820 S20 S22 S613

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 S51 S52 S53 S54 S55 S56 S57 S58 S59 S60 S61 S62 S63 S64 S65 S66 S67 R680 0 S68 S68 COM1 COM2 COM3 LCD1 R641 NSPW310BS/BRS/ D641 R642 NSPW310BS/BRS/ D642 430 R643 NSPW310BS/BRS/ D643 430 R650 Q642 UN2211 Q641 2SB815/7/-X R646 1k 0 470 R644 C608 C609 0.015 0.015 430 QSW0976-001

C 2-4 D E
C601 4.7/6.3 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 R645 47k KEY0 10V KEY2 KEY1 JOG1 JOG0 ACC5V LCDCL LCDDA D656 1SS355-X D657 D658 1SS355-X 1SS355-X R655 390k UDZS5.1B-X 220 R654 D652 1SS355-X R657 10k R656 C603 220P C604 0.22 C605 0.22 330k C602 0.01 R658 R659 10k 10k R652 47k R651 47k LCDCE D653 1SS355-X D654 1SS355-X D655 1SS355-X 1k D651 R653 S67 S66 S65 S64 S63 S62 COM3 COM2 COM1

KS-FX480

S61 S60 S59 S58 S57 S56

F G H

S55 S54 S53 S52 S51 S50 S49 S48 S47 S46 S45 S44 S43 S42

EN601

KS-FX480

IC601 RPM6938-SV4 IC602

LC75873NW

S23 S22

S24

S25

S26

S27

S28

S29

S30

S31

S32

S34

S35

S36

S37

S38

S39

S40

S41

S33

D659 UDZS5.6B-X C606 4.7/6.3

R660 10k

R661 47 10V

LCDCL

ACC5V

LCDDA

LCDCE

REMOCON

KEY0

KEY1

KEY2

JOG-1

JOG-0

R664 3.3k

R663 3.3k

R662 3.3k

R631 0

CN601

QNZ0006-001

KS-FX480

Printed circuit boards
Main board(Forward side)

C901

IC901 B904 L901 CP981 C314 C315 B301 B902 C316 C909 C317 C904 R335 B903 B905 CP801 B304 C362 CJ321 R343 C361 B305 J1

R323 R324

R344
R333

D901

R334

B901

R354
R353 CP701 C914

D903 D904

C906

Q331

Q341

Q351

R355

Q321
R325 L1 D1

C905

D2

R345 C903 C163 C181 C162 B906 D341 Q32 NON-POL D321 C33 C907 C165

C318

D906 D907 C913

B302

C319

C164

R302

R910

C331

R331

C332

R164

Q31

C182

R163

C35

R162

R811

Q301

D32 R36

D31

C198

R161

C302

D310 R195

R812

C31 C34 R33 C3

C168

C167

C166

B303

C196

C303 C304 C313 C301 C352 C351 R351

R814 R710 R708

IC301

R303 R301 R305

R711 R813 R34 Q2 R3 R31 R32 R35 C4 R1 C5 R6 C32

D908

R165 C197

R172

R171

C321 R322 R321

D909 C342 R176 R175

R166

C192 C191

C195

R5

R173

R707 R709 R730

Q3

R174

C2 R4

D3

R2 C172 C177 C176 D703 R729 C703 R728 C175 C174 C178 C173 A B

C1

Q1

C891

R891

R892

R882

R881

C882

Q906

C341 R342 R341

C83

R909

C881

R908

R242 R241 Q781

D702

R82

C82

R81 C81

C322

D4

C12

TU1 R706 C708 R734

C15

Q891

C782

D701 R727 R701 R714 R713 R746

R243

R903

R902

C241

R901

Q782

D782

Q881 D891

Q905

C92 C93 R92 R91

R245

R716 D704 R702

C91

C902

Q902

Q901 D781 C199

R244

D242 D241 C243

R712 R747 Q701 R749 C709 R724 R725 X701

Q4

D892 Q241

R7 C8 R10

C11

C781

R705 R704

C7

C244

R750

R748

R703 C705

Q977

Q976

R738 R733

R743

R8

R905

R904

R9

R979

R977

R976

R248 R246 R247

R978

R808

R719

R806

R717

R803

R807

R718

R804

R931 R930

R720

C242

R739 R741 C702 C701 B802

C10 C6 R11 C13

C9

Q904

Q907

C17

R805

B801

OPEN

R723

R721

R735

R911

R906

Q903

R907

D711

D708 D709

D710

D705

D715

C706

C707

D706

D707

D712

D713

D714

C911 DETACH S1A

L902

CJ701

IC801

S701

GEB10027A

R810

R809

C801 S930

Front board(Forward side)
D618
S614 LCD1

S617

S616

IC602

R801 R802

IC902 C910

D753

C912

R753

Q930

R731

C704

R736

R737

R722

S702

C14
D620

R732

R742

D602 D603 D605

R611 R612

R614 D601

R635 R636 R637 R638

D641

S605 D619

R613

D642

D604

R604

R602

R603

EN601

D610

R606

R607

D609 S606 R605 S607

S608

D611 S609

S610

R608

D612 R609

S611

D613 R610

D616 S601 D614 R601 S612 D615 S602 S603

J601

D606

D608

D607

S613

D643

S615

S604

D617

2-5

KS-FX480 Main board(Reverse side)

CONT

12

1

SI/SO

ANT

GND

SCK

MEM 14V

TU9V

5V

PCNT

10V

9 1

10 2

11 3

12 4

14 13 5 6

15 7 16 8

C361

CH.R AGND CH.L

C362

R324

L901 D901 18 CP981

R353 R354

CP801

R323

R325

T1A J1 D2

E E E

E

1

C315

R345

R335

C314

CP701

C901
24 25

NC 9V

FM

TU

CJ321

IC901

Q331

R344 R343 R333 R334

D907

D321 D1 AMANT NON-POL FMANT NC NC C33

R910

C168

R161

R33

C34 Q31

Q32

TAPE.L E

R163

R162

C165

C166

R164

C164

C167

C913

C181

C35

R812

C182

E R302

R195

D310

C319

C162

C163

D906

E

R811

C332 R303 Q301 R301 R305

R31

R32

R35

R34

C197

C198 C196 R711 R710 E R708 R707 R174 R173 R814 R813 C195 IC161

R331

GND C3 FMVt GND C2 GND C4 R1 FMOSC FMVCC VCC C5 R6 C12

C331

C31 C32

D31 R36 D32

C318

Q351 D341

Q341

C907

C904 C905

D903

L1

Q321

R355

C903

C909

D904

C914

C906

C316

C317

C302 C303

1 IC301

2

C352

D4 D3

AMVCC C1 GND

C351

R5

R351

E

C341

C301 C321

C192

R4

C174

C175

R171

C176

TAPE.R C173 C172

C177 C178

R3 R2

Q2 R709 E Q1 R730

C342 R342 C322 R175 R341

C304
R322 R321 R891 E

Q3

R165 R166

D908 D909

R176 C191

R172

AMVt GND Lch

C81

C703

IC701

41 40

D703

R242 R241 Q781 E E E

C882 E

R81

C82

C708

C881

C313
R882

R91 R92 C93

R82 C83

C92

R727 R701

R908 R909

GND

Q782 E

Q906

R892 R902 C902

C91

NC IFC S.METER C11 SD/ST SNC C9 VCC MUTE NC C10 R7 C8

R734 C7 Q4 R716 D704 R702 R10 R9 R8 E R705 R704 R703 80 X701 1 R747 R725 R724 R748 R739 64 65 R746

C891 C241

R245

D892

R903

R713 R712

C781

R901 E

D781 E C199 R749 Q701 C709 R750

Q901

Q902

E

R244

D891

24 R714

D782

Q905

R243

Q977

R904

E R977 R905 Q241

R722 R721

Q976

R979 C242

R247

C6 R743 R11

R731

R808

R737

R803

R717

R718

R720

C705 C704 R723 1 R741 R732

R804

OPEN

C13

Q907

C701

C702

R807

R733

R931 R930

Q904 E

R978

R976

R742

E

E R246 E

R805

R248

C912 E E R911 IC902

R736

R735

IC801 Q930

D705 R907

R719

R806

D713

D712

D711

D714

D710

D707

D706

D709 D708

C14

S702 R802 R801 14 C801 S930 R809 GEB10027A R810

D753 L902 R753

C707

C706

D715

R906

Q903

C17
DETACH S701

GND NC NC NC KEY0 KEY1 KEY2 LCDSCK LCDSO LCDCE ENC2 ENC1 ILL10V ACC5V REMOCON

T04

1

15 CJ701

Front board(Reverse side)

C910

C911

R621

R633 R634

D658

R664 R663 R662

C604 C605 R659

R657

D660

IC602

D641

D657

R629

C608

R655

C601

R643

C602

R656

R650

C603

J601 R668 R669

R667 R666

C607

R670

CN601

2-6

EN601

C609

C606

R620

D652

R681

R625 R626

D642 D643

R658

R630

R639 R640

D653 D656 D654 D655

R680

R654

Q641

R653 R651 R652

R632 R631

R642

R641

D659

R627 R628

D651

R645 R644 R661 R660

R646

Q642

R622

C244

R738

C243 D241 D242
R623 R624

C15

TU1

Rch

R706

R729 R728

25

D701

D702

C782

Q881

Q891

R881

KS-FX480 Mecha control board

C413
R411 R410

C419 R416

C414 C421

C416

C418

R412
R408 B401

11 C422 R414 R415 C412 VR401
B410 B411

Q401 1
B407

VR402

R418 21 R413

1

C410

R420

R417

B402
C405 C406 R406 R405 C404

1
C409

R401

31
C417

IC401

T11 FSMW1093A
C424

B408

Q403

R407 C402 C408 R403 C407 R402 C403

R423
R424 C423 R426 B406 B403

C401

R404

C411

B404
B412

2
C415

CJ403

B405

B409

R422

D401

C425

IC402 R425

D402

CJ401 B413 1

1

Q402

2

2-7