JVC KS-FX385 Administrator Guide

SCHEMATIC DIAGRAMS

CASSETTE RECEIVER

No.MA093BSCH

2005/4

KS-FX385, KS-FX385S

KS-FX385G

Area suffix

KS-FX385G

Area suffix

UN --------------------- Indonesia

KS-FX385S

KS-FX385

Area suffix

UT ------------------------- Taiwan

UH ---------------------- Thailand

UN --------------------- Indonesia

U -------------------- Other Areas

Contents

Block diagram (For UT, UH, UN U version)

Standard schematic diagrams (For UT, UH, UN U version)

Block diagram (For UT3, UH3, UN3 U3 version)

Standard schematic diagrams (For UT3, UH3, UN3 U3 version)

Printed circuit boards

2-1

2-2

2-5

2-6

2-9 to 11

CD-ROM No.SML200504

!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

2-1

MAIN

MOTOR

MUTE SW

TAPE/RADIO SW

TUL, TUR

LRO

RRO

LFO

RFO

LRO+,LRO-

RRO+,RRO-

KEY0 to KEY2

F/R

S3 to S47

COM1 to COM3

TAPE.L, TAPE.R

LCH

RCH F/R

LCH

RCH

LINE

REAR OUT

LCD & Key control section

Head amplifier section

Mechanism control board

PROG.SW.

ANT

IC981

POWER AMP

IC931

E.VOL

IC901

HEAD AMP

SPEAKER

CONNECTOR

LCD1

IC651

LCD DRIVER

S601 to S618

KEY

DATA

CLOCK

IC701

MICON

TU1

FM/AM TUNER PACK

SK/ST

MONO

SD/ST

S.METER

FM.OSC

BAND

IFC/C

IF.C

TAPEIN

PROG

Main amplifier section

CP721

Relay board

CP722

CN721 CP981 CJ921

LFO+,LFO-

RFO+,RFO-

LRO

RRO

CN901

CP901

CJ901

HEAD

CJ701

CP701

LCD.SO

LCD.SCK

LCD.CE

KEY0 to KEY2

DETACH

CD CHANGER

CP751

CD.LCH

CD.RCH

IC751

BUS

SCK

SI/SO

BUS.SCK

BUS.INT

BUS.SO

BUS.SI

BUS.I/O

Block diagram

(For UT, UH, UN, U version)

2-2

SHEET 1

Parts are safety assurance parts.

When replacing those parts make

sure to use the specified one.

C990

R725

D718

R707

R708

D701

C702

C701

CN721

R712

C786

R715

C709 C704

C703

CP981

D781

Q784

R786

D961

Q701

IC981

C13

D786

Q989

C982

R757

R709

Q782

Q781 IC781

C986

CN901

R751

R758

R762

D784

D261

Q988

Q987

D782

R702

C934

Q971

D973

R797

R792

C15

R763

R761

CP751

R752

C995

IC701

R719

R710

R993

R992

C994

R718

C996

C997

C984

R997

C983

R996

R998

C985

R973

CJ921

R703

C785

R972

C989

R931

Q972

R999

R722

R727

R720

Q783

TU1

R991

R994

Q771

Q772

C772

C773

R773

R772

R774

C991

C981

D981

C992

R163

R264

R164

R263

D161

R265

R165

D715

D714

C705

C132

C232

CJ701

L783

L781

L782

IC931

C943

D713

C974

C975

C977

C708

R724

C710

R764

R704

X701

C233

C133

Q789

R713

R753

D785

R705

R16

C12

C14

R795

R785

R796

C707

R990

C10

R787

R754

R789

R790

C988

L981

C783

R783

R784

D990

C993

D3 D4

C781

C784

C987

D705

C235

D974

C238

C138

C135

C234 C134

C237

C137

C236

C136

C933

C250

C260

C931

C150

C160

R231

R131

R232 R132

C932

R788

C706

D704

IC751

C751

R760

R759

R756

R985

R755

D706

D707

D708

D709

R15

D711

R721

C231

C131

R61

R51

R62

R52

B69

R10

R17

D792

D791

C771

R771

D771

R14

C11

C972

Q261 Q161

R714

D716

R726

R941

C941

C942

C976

C940

C714

C713

C715

R928R711

0.1

47K

1SS119-041

47K

1SS119-041

22P

27P

QNB0100-002

QGB1214J1-06S

4.7k

220/10

2.2k

0.47/50

0.22

100/6.3

QNZ0611-001

1SS119-041

2SA1706/ST/-T

RB721Q-40-T2

KTC3199/GL/-T

LA4743K

1A3G-T1

KRA102M-T

47/16

47K

4.7K

2SA1706/ST/-T

KRC102M-T

AN80T05LF

22/16

QGB1214J1-06S

47K

1A3G-T1

1SS119-041

KRA102M-T

1SS119-041

47K

22/16

KRC102M-T

1SS119-041

12K

6.8

0.01

QNZ0095-001

10K

470P

LC72362N-9C64

3.3K

4.7K

27K

470P

3.3K

470P

10/16

47k

QAM0013-007

0.1

47k

4.7/25

4.7K

QNN0519-001

47K

10/16

2.7K

10/16

KRA102M-T

47k

3.3K

KRC102M-T

47K

3.3K

KRC102M-T

QAU0311-001

27K

2SA1706/ST/-TKTA1267/YG/-T

KTC3199/GL/-T

2.2/50

0.001

10K

1.5K

0.1

2200/16

1N5401-TM

0.1

100

1SS119-041

2.2K

1SS119-041

10/16

1/50

VMC0334-001

4.7u

47u

PT2319-X

1/50

1SS119-041

0.22

0.1

4.7K

0.1

47K

10K

QAX0406-001Z

1/50

KRA102M-T

4.7k

47K

1A3G-T1

47K

270P

18K

47K

0.1/50

47K

0.01

10K

100

330K

100K

470K

47/16

QQR1367-001

2200/6.3

47K

MTZJ11B-T2

0.1

1SS119-041

10/16

KRC102M-T

220/10

10/16

MTZJ6.2B-T2

1SS119-041

0.1

0.082

0.15

100/10

2.2/50

3.9k

7.5k 7.5k

0.1

2.4K

0.01

KRC102M-T

MTZJ6.2B-T2

0.01

HD74HC126P

0.01

10K

100

4.7k

100

MTZJ6.2B-T2

22k

MTZJ6.2B-T2

0.022

3.3K

1/50

0.1/50

10K

10k

KRC102M-T

10K

2.2K 10K

1SS119-041

220/10

4.7K

MTZJ9.1C-T2

0.1/50

10/16

1SS119-041

8.2k

0.33

220/10

2SD2144S/VW/-T2SD2144S/VW/-T

4.7k

1SS119-041

47K

3.3k

0.0015

0.22

1/50

0.1

10k

220k

TAPE.R

IF.C

TAPE.R

ACC5V

MEM.DET

TAPE.L

F/R

RFO+

RRO+

LRO+

LFO+

RFO-

RRO-

LRO-

LFO-

TAPE.L

BUS.SI

BUS.INT

KEY0

BUS.SO

MONO

SCK

BUS.SCK

TAPEIN

SI/SO

BUS.I/O

SK/ST

RRO

TAPE14V

MUTE2

FM.OSC

KEY2

KEY1

MUTE

KEY0

LCD.CE

LCD.SCK

LCD.SO

ACC.MUTE

DETACH

LRO

KEY1

ACC.MUTE

PROG

BUS.SO

PROG

RRO+

SSM

TAPEIN

CD.LCH

S.METER

14V

CD.RCH

DETACH

SD/ST

TU-9V

SK/ST

SSM

BUS.SCK

F/R

LCD.SO

LCD.SCK

LCD.CE

BUS.SI

SD/ST

MEM.DET

MUTE2

LFO-

LFO+

LRO-

RFO-

LRO+

RRO

LRO

S.METER

MONO

KEY2

TUR

BAND

BUS.INT

TUL

IFC/C

FM.OSC

TUL

BAND

RRO-

IF.C

MUTE BUS.I/O

RFO+

SI/SO

SCK

CD.RCH

CD.LCH

To CP701

(SHEET 3)

To CP721

(SHEET 2)

To CP901

(SHEET 2)

Standard schematic diagrams (For UT, UH, UN, U version)

Main amplifier section

2-3

SHEET 2

CP722

CP721

QGA2002F1-06

QGB1214K1-06S

C203 C103

CJ901

IC901

R204 R104

C901

CP901

C902

C201

C101

C202

C102

R203

R103

C204

C104

R201

R101

C205

C105

R901

100p 100p

QGA2002C1-05

AN7310N

330k 330k

QGB1214K1-06S

820p

0.47/50

100

47/6.3

15k

0.01

100/10

100

10/10

(SHEET 1)

Head amplifier section

2-4

SHEET 3

IC651

C651

C653

C652

D605

D611 D606

D619

D618

S601 S602 S603

S606 S607

D617

S608 S609

S604

S614 S615 S616 S617

S605

S610

D609

D607

D608

S613

D613

R601

D610

R602

D612

R604

D602

D615

R609R607

S618

R606R605

D614

R612 R613 R614

S611

D603

D616

R615

D654

R610

D604

R657

R654

R603

R608

R655

S612

CP701

R611

R641

R640

R653

R652

R651

R650

R649

R648

R647

R646

R645

R644

R643

R642

D601

PL603

R637

R636

R639

R638

R663

R662

R661

R635

PL601

LC75823W

1.0

680p

4.7/6.3

680 560 910

1.2k

680560680

680 560 680 910

UDZS5.1B-X

1.5k

180k

1.5k

680

910

47k

VMC0335-001

2.2K

430

1.2K

430

820

270

SML-310LT/MN/-X

QLL0033-003

1.2K

820

10k

220

QLL0033-003

S32

S31

S30

S29

S28

S27

S26

S25

S24

S23

S22

S21

S20

S19

COM1

COM2

COM3

S18

S17

S10

S11

S12

CLOCK

S13

ACC5V

S14

KEY0

S15

S16

S43

S42

S41

S40

S39

S38

S37

S36

S35

S34

S33

S47

S46

S45

S44

GND

S10

S11

S12

S13

S14

10V( LAMP)

S15

S16

S17

S18

S19

DATA

S20

S21

S22

S23

S24

S25

S26

S27

S28

S29

S30

KEY1

S31

S32

KEY2

S33

S34

S35

S36

S37

S38

S39

S40

S41

S42

S43

S44

S45

S46

S47

COM1

COM2

COM3

To CJ701

(SHEET 1)

LCD & Key control section

2-5

MAIN

MOTOR

MUTE SW

TAPE/RADIO SW

TUL, TUR

LRO

RRO

LFO

RFO

LRO+,LRO-

RRO+,RRO-

KEY0 to KEY2

F/R

S3 to S47

COM1 to COM3

TAPE.L, TAPE.R

LCH

RCH F/R

LCH

RCH

LINE

REAR OUT

LCD & Key control section

Head amplifier section

Mechanism control board

PROG.SW.

ANT

IC941

POWER AMP

IC911

E.VOL

IC901

HEAD AMP

SPEAKER

CONNECTOR

LCD1

IC651

LCD DRIVER

S601 to S618

KEY

DATA

CLOCK

IC701

MICON

TU1

FM/AM TUNER PACK

SK/ST

MONO

SD/ST

S.METER

FM.OSC

BAND

IFC/C

IF.C

TAPEIN

T-MUTE

Main amplifier section

CP721

Relay board

CP722

CN902 CP981 J931

LFO+,LFO-

RFO+,RFO-

LRO

RRO

CN901

CP901

CJ901

HEAD

CJ701

CP701

LCD.SO

LCD.SCK

LCD.CE

KEY0 to KEY2

DETACH

CD CHANGER

J751

CD.LCH

CD.RCH

IC751

BUS

SCK

SI/SO

BUS.SCK

BUS.INT

BUS.SO

BUS.SI

BUS.I/O

Block diagram (For UT3, UH3, UN3, U3 version)

2-6

SHEET 1

Parts are safety assurance parts.

When replacing those parts make

sure to use the specified one.

CN902

C948

Q981

L701

IC911

TU1

IC751

R26

IC961

R27

D963

C21

C947

C970

Q967

D30

Q12

R777

R776

Q979

C20

R10

CN901

C969

C708

IC902

R14

Q11

C707

C982

C903C902

C212

Q962

D982

D776

R979

R114

L961

R214

C253

R151

R251

D744

Q701

Q959

R24

C153

Q10

C218

C119

Q231

Q963

C219

R113

R213

Q965

Q966

R750

IC701

C949

C111

C112

J751

C211

R704

R703

R702

R701

L702

Q131

R758

R757

R756

R755

R754

R715

R716

R717

D977

X701

C701

C702

R711

Q964

R713

R712

C703

R724

R725

R726

R718

R719

R720

R959

C950

C951

Q961

CJ701 R748

C961

R747

Q978

C118

R709

R710

R708

R778

C709

R772

R740

C712

R738

R746

Q960

C952

D931

C710

R707

D932

D984

R734

R733

R732

R974

R975

D964

IC941

R969

R970

D966

R728

Q953

R141

R142

R241

R242

D961

R962 R961

R232

R132

R135

R235

R25

J931

C711

R971

R972

C972

C768

C705

C966

R35

R743

R773

C31

R34

R36

R744

R12

R780

R781

R29

C932

R960

C981

C984

R730

R736R737

R152

C152

C252

R252

C713

C912

C911

C965

C945

C963

C213

C214

C216

C116

C114

C217

C113

R911

R912

R913

R112

R212

R941

C977

C943

D965

R967

R966

R759

R753R752

C913

C751

C968

R721

R722

R723

R727

C704

C946

R32

C215

R977

C117

C942

C962

C30

R705

C115

C978

C979

C964

C967

C24

C953

C18

R731

C154

C254

R37

C971

C16

R729

C144

C143

C243

C244

R963

C941

R136

R236

D978

C17

D752

D753

D754

D755

D756

D757

D751

C954

R143

R243

R144R244

R779

CP981

QGB1214J1-06S

0.22/50

47u

TEA6320T-X

QAU0281-001

HD74HC126FP-X

10k

AN80T05LF

1SS355-X

2.2/50

0.22/50

0.047

QNB0100-002

4.7U

2SA1037AK/RS/-X

1SS355-X

47k

0.001

3.9K

QGB1214J1-06S

0.047

220/10

KIA781OAPI

470

0.012

0.056

0.1

10/16

1/50

2SB1322/RS/-T

1SS355-X

47K

2.7K

QQR1366-001

2.7K

1/50

2SC2412K/R/-X

UN2211-X

1/50

2SC2412K/R/-X

2SA1037AK/RS/-X

1/50

2.7K

UN2211-X

47k

UPD178078GF-708

0.22/50

1/50

QNZ0095-001

1/50

270

47u

2SC2412K/R/-X

100

100k

10k

100

1SS355-X

QAX0406-001Z

27P

390

UN2211-X

10k

0.1

4.7k

2.2k

0.22/50

0.1

2SA1037AK/RS/-X

VMC0334-001 10k

2200/16

47k

UN2211-X

1/50

100k

47k

100k

47k

100/6.3

47k

0.1u

47k

2SA1037AK/RS/-X

0.1

1SS355-X

0.1

47k

1SS355-X

10k

47k

12K

24K

1SS355-X

LA4743K

2.2k

47k

RB160M-30-X

27k

1N5401-F64

6.8k 47

2.2k

100

QNN0519-001

UDZS6.2B-X

0.22

2.2k

220/16

0.01u

0.001

UN2111-X

UN2211-X

KRC101S-X

10/16

8.2K

47k

1SS355-X

47k

0.01

22K

47K

UN2111-X

47K

1.5k

UDZS9.1B-X

220/10

0.1

0.33

27k

100/16

220/10

4.7k

10k47k

10K

0.0012

10K

0.1/50

100/16

47/16

220/10

4.7/25

10/16

0.0082

0.1

0.033 0.033

0.1

0.012

0.0082

270

22K22K

47k

220/10

0.1

RB160M-30-X

2.2k

47k

220/10

330k

22k

330k

100/16

0.1

10/16

100/10

4.7k

0.1

22/16

100

0.22/50

180

0.012

0.1

10/16

47p

10k

0.22/50

4.7/25

47/16

220/10

10/16

0.047

0.1

0.47/50

4.7k

0.018

100K

0.1

10P

10k

UN2211-X

4.7k

390p

12k

0.1

UDZS11B-X

150P

0.1

220/10

47k

0.1

47k

47k47k

47k

QMFZ047-150-T QNZ0611-001

KEY2

KEY1

IFC.CNT

CH.L

TU.L

TAPE.L

TAPE.R

CH.R

TU.R

TU.L

TU.R

MUTE

KEY0

KEY1

TAPE.L

T-MUTE

TAPE.R

F/R

CH.R

TAPE-OUT

I/O

T-MUTE

CH.L

SCK

KEY0

TAPE-IN

TAPE-OUT

KEY2

RROUT( -)

SEEK/STP

FROUT( -)

FLOUT( -)

RLOUT( -)

I/O

RROUT( +)

FROUT( +)

FLOUT( +)

RLOUT( +)

SCK

IFC.CNT

MONO

MUTE

IFC

SD/ST

SEEK/STP

FLOUT( -)

MONO

RLOUT( -)

OSC

RROUT( -)

FROUT( -)

FROUT( +)

RROUT( +)

RLOUT( +)

FLOUT( +)

F/R

TELMUTE

TAPE-IN

To CP701

(SHEET 1)

To CP721

(SHEET 2)

To CP901

(SHEET 2)

Standard schematic diagrams (For UT3, UH3, UN3, U3 version)

Main amplifier section

2-7

SHEET 2

Head amplifier section

CP722

CP721

C203 C103

CJ901

IC901

R204 R104

C901

CP901

C902

C201

C101

C202

C102

R203

R103

C204

C104

R201

R101

C205

C105

R901

QGA2002F1-06

QGB1214K1-06S

100p 100p

QGA2002C1-05

AN7310N

330k 330k

QGB1214K1-06S

820p

0.47/50

100

47/6.3

15k

0.01

100/10

100

10/10

(SHEET 1)

2-8

SHEET 3

IC651

C651

C653

C652

D605

D611 D606

D619

D618

S601 S602 S603

S606 S607

D617

S608 S609

S604

S614 S615 S616 S617

S605

S610

D609

D607

D608

S613

D613

R601

D610

R602

D612

R604

D602

D615

R609R607

S618

R606R605

D614

R612 R613 R614

S611

D603

D616

R615

D654

R610

D604

R657

R654

R603

R608

R655

S612

CP701

R611

R641

R640

R653

R652

R651

R650

R649

R648

R647

R646

R645

R644

R643

R642

D601

PL603

R637

R636

R639

R638

R663

R662

R661

R635

PL601

PT6523LQ-L

1.0

680p

4.7/6.3

680 560 910

1.2K

680560680

680 560 680 910

UDZS5.1B-X

1.5K

180k

1.5k

680

910

47k

VMC0335-001

2.2K

430

1.2K

430

820

270

SML-310LT/MN/-X

QLL0033-003

1.2K

820

10k

220

QLL0033-003

S32

S31

S30

S29

S28

S27

S26

S25

S24

S23

S22

S21

S20

S19

COM1

COM2

COM3

S18

S17

S10

S11

S12

CLOCK

S13

ACC5V

S14

KEY0

S15

S16

S43

S42

S41

S40

S39

S38

S37

S36

S35

S34

S33

S47

S46

S45

S44

GND

S10

S11

S12

S13

S14

10V( LAMP)

S15

S16

S17

S18

S19

DATA

S20

S21

S22

S23

S24

S25

S26

S27

S28

S29

S30

KEY1

S31

S32

KEY2

S33

S34

S35

S36

S37

S38

S39

S40

S41

S42

S43

S44

S45

S46

S47

COM1

COM2

COM3

To CJ701

(SHEET 1)

LCD & Key control section

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