JVC KD-LH3105 Service Manual Download Page 73

Page: 73 / 79

KD-LH3105

2-2

KD-LH3105

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

Rear signal

Front signal

CD-changer signal

AUX IN signal

Tuner signal

CD signal

Subwoofer signal

Standard schematic diagrams

Main amplifier section

LCD & Key control section

CN801

CD servo control section

CN501

IC301

IC781

IC951

IC901

R145

R144

C131

C141

CN902

C10

Q21

R21

C24

C22

R28

Q23

Q24

R29

Q25

R51

C102

C202

R101

R201

Q101

Q201

R219

X701

X702

R985

CN601

Q750

Q754

R992

R805

R993

L753

R710

C709

Q701

R775

R767

R762

R761

R763

R760

R759

R758

R757

R756

R755

R754

R739

D704

R737

R736

R735

R719

R720

R721

R722

R723

R724

R725

R726

R727

R728

R729

R731

R730

R732

R733

R795

Q795

R774

C710

L701

C711

R782

R784

R781

R783

R786

R787

R788

R925

R926

R922

R923

R921

R924

R282

R182

D702

Q902

Q901

D902

Q941

Q903

Q942

Q904

Q905

R914

CN141

IC701

R215

R115

R119

R156

C301

C303

C304

C302

Q191

R195

R194

C191

D193

C193

R155

C308

C309

C216

C215

C115

C116

R121

R122

R222

R221

R216

R116

C307

C310

C142

R141

C140

IC131

C132

C133

C134

C136

C135

Q131

Q132

Q222

Q221

Q121

Q122

R123

R124

R223

R224

J121

R147

R148

D131

R149

Q133

C252

C251

C151

C152

R301

R302

IC281

R305

R303

R304

C281

C283

C282

C288

C289

C287

C290

R291

R292

R295

R293

R294

C284

R158

R157

CN131

CN901

C294

C952

C953

C954

R951

C963

D951

R965

R964

R129

R229

R111

R211

Q951

C964

C961

C962

C967

C968

C965

C966

C901

D901

D904

C913

R910

S701

Q703

TU1

C971

R799

R794

R793

R984

R983

R982

R953

L702

D703

C970

C969

IC912

C370

C369

C368

C367

C366

C365

C364

C363

C362

C361

C352

C351

C124

C920

C270

C269

C268

C267

C265

C275

C264

R990

C210

C110

C263

R987

R991

R988

C224

R986

C272

C271

C254

C255

C930

C929

C917

IC911

R718

C261

C161

R261

R161

C204

C104

D991

R997

L922

C971

IC703

IC51

D719

C101

C201

R10

Q22

R22

R23

R25

R27

R24

R26

C23

C25

C21

C725

C724

C27

Q27

Q26

C26

C57

C56

C55

C54

X51

R54

R52

R53

C53

C52

C51

R102

R202

C103

C203

R103

R203

D992

D711

D712

D713

D714

D715

D716

Q753

Q752

Q751

C755

R707

C753

C752

R712

R715

R716

R717

C751

R708

R709

C706

C705

C704

C703

R713

R714

C702

C701

IC702

R776

R777

D701

C713

C714

R711

R184

R751

R750

R749

R747

R746

R745

R744

R743

R742

R741

R740

R734

BZ795

C795

C708

C707

R778

C712

R790

R789

R785

C781

IC921

C921

C923

C922

R927

L921

D921

C181

R181

R281

R901

R902

C902

C903

R903

R904

C905

C904

C906

R906

C909

C910

R748

R905

C907

C908

D903

R907

R996

R909

R908

C941

C942

D941

D942

R915

R917

R916

D906

C924

C914

R994

R963

R962

R961

CN701

R117

R118

R217

R191

R192

R193

R196

R197

R218

D192

C194

C192

R113

R114

R213

R214

IC132

R139

R138

C138

C139

R140

R142

R143

R137

R135

R134

R131

R132

R133

R136

C137

D121

D221

R125

R126

R226

R225

C123

C122

R146

C143

S703

C144

C218

C217

C117

C118

C991

R30

R952

C951

C955

C956

C957

C958

C959

R112

R228

L901

D905

R912

R911

C911

C912

R913

R773

R779

R780

R791

R792

Q702

R798

R797

D718

C717

S702

R799

R981

C715

C716

R11

R928

R128

R212

R989

C125

R929

C262

C166

C162

D720

R919

R918

D717

C120

R127

C127

C126

R165

C165

C145

R183

C972

QAM0464-001

BA3220FV

HD74HC126FP

LA47505

HA13164A

15k

5.6k

QNB0100-002

10/16

0.082

QNZ0095-001

10u

0.047

2SB624

UN2211

2SC2412K

470

0.01

0.1

47k

UN2211

39k

2SD601A

4.7k

UN2111

47k

4.7/25

2SD601A

QGB2027M4-22S

UN2211

47K

47u

10M

470P

UN2213

2.2K

10k

47k

100/10

330

1SS355

3.9k

4.7k

10k

270

10k

270

3.3k

UN2211

47k

0.047

47u

0.1

100k

100

22k

47k

100k

330

100

180

47k

1SS355

UN2211

UN2111

RB160M-30

UN2111

2SB709A

UN2111

2SD601A

UN2211

4.7k

QGA2006F1-04

4.7/25

47/16

0.01

4.7/25

2SD601A

390

12k

1/50

1SS355

0.047

4.7/25

820

10k

100/10

2.2/50

0.0068

BU4066BCFV

0.033

0.027

0.012

0.0056

UN2211

2SD1781K

180

QNN0490-001

820

180

MA152WK

4.7k

2SC2412K

4.7/25

24k

BA3220FV

150k

33k

4.7/25

47/16

4.7/25

100/10

24k

150k

33k

0.01

QGA2006C1-04

QMFZ047-150-T

100/10

0.22

100/16

22/16

100P

1SS355

UN2211

100P

3300/16

1N5404-TU-15

RB160M-30

0.1

QSW0451-001

UN2211

0.001

47k

10k

47u

1SS355

2.2/50

M62449FP-X

0.0027

0.0018

0.0068

0.0047

0.015

0.012

0.039

0.027

0.1

0.082

2.2/50

1/50

4.7/25

0.0027

0.0018

0.0068

0.0047

0.012

0.039

47K

1/50

0.027

47K

47k

1/50

47k

0.1

0.082

10/16

0.047

1/50
1/50

0.047

TDA7404D-X

1/50

47k

0.047

100p

47k

1/50

0R0

4.7U

0.001

SAA6579T

1SS355

47/16

SML-310LT

0.01

0.047

100/10

MA152WK

3.3K

4.7k

47k

2SC2412K

10k

2.2k

39k

10k

47k

0.0047

330P

0.47/50

100/6.3

220/10

0.1/50

UN2111

0.1

0.01

47/6.3

47P

82P

QAX0263-001Z

2.2k

100

560P

0.022

2.2/50

2SD601A

820P

4.7k

UDZS6.2B

QAX0617-001Z

QAX0401-001

UN2211

UN2213

UN2211

0.01

2.2K

0.01

820

47k

22P

27P

47k

220/10

0.1

IC-PST9333U

2.2k

47k

1SS355

47/6.3

0.01

10K

10k

2.2k

QAN0023-001Z

1/50

220/10

0.01

6.8k

47k

22k

10k

0.047

NJM2360AM

220/10

100/16

2700P

4.7k

150u

RB160M-30

0.047

100k

9.1k

4.7k

22/16

5.6k

100/10

0.01

0.1

47k

0.1

10/16

10k

0.01

220/10

RB160M-30

4.7k

22K

18k

6.8k

47/16

100/6.3

UDZS11B

1SS355

47k

MA152WA

0.047

22/16

2.2K

QNZ0605-001

47k

180k

22k

270k

1SS355

0.22/50

22/16

47k

NJM4565V

10k

10/16

2.2/50

100k

47k

100k

47k

47/16

MA152WA

10K

100P

0.047

47k

0.047

QSQ1A11-V06Z

100P

330P

27k

47/16

4.5/25

0.1

QQR1378-001

RB160M-30

2.2k

0.1

2.2/50

100k

47k

6.8k

47k

22K

UN2214

560

100P

QSW0451-001

220/10

0.047

10k

27k

2.2/50

10k

UDZS6.2B

2.2K

47/16

120k

0.0047

100/10

470

0.047

47/16

0.001

FL+

CD.L

FM/AM

TU.L

RDSDA

RDSSCK

CD8V

CD.L

CD.R

CDREQ

PON

SI/SO

SCK

VDD

DISPCK

DISPDA

DISPCE

VDD5V

LEVEL

ACC5V

A.GND

VOLMUTE

OPEN

LPF2

LPF1

SUBM

VOLCK

VOLDA

MUTE

LPF2

14V

DETACH

MRC

BUSI/O

BUSCLK

BUSSO

SI/SO

BUZZER

MUTE

A.GND

CH.R

CH.L

ILL

TEL

CD.R

CH.L

CH.R

RR-

RL-

LPF1

KEY

FR+

ON5V

FR-

FL-

RL+

DETACH

VDD5V

RR+

TU.R

LIN.R

LIN.G

LIN.L

MRC

PLLDI

PLLCK

PLLDA

PLLCE

AFCK

SEEK

CD8V

OPEN

CDREQ

KEY

LIN.R

VOLDA

ANT

BUSINT

RDSSCK

LIN.G

VDD

LIN.L

SI/SO

ACC5V

PON

SD/ST

ILL

TEL

PLLDI

PLLCK

PLLDA

PLLCE

FM/AM

SEEK

AFCK

SD/ST

SCK

BUSSO

EQCLK

BUSI/O

SCK

SI/SO

BUSINT

BUSCLK

14V

ACC5V

PON

ANT

DIM

RL+

RR-

LEVEL

EQDATA

EQLA

VOLCK

FL-

RDSDA

VOLMUTE

FR-

FL+

RL-

RR+

FR+

EQCLK

EQLA

EQDATA

Summary of Contents for KD-LH3105

Page 1: ...YRIGHT 2003 VICTOR COMPANY OF JAPAN LTD No 49839 2003 5 CD RECEIVER 49839 2003 5 KD LH3105 TABLE OF CONTENTS 1 Precautions 3 2 Disassembly method 5 3 Adjustment 24 4 Description of major ICs 28 Area Suffix U Other Areas ...

Page 2: ...ER SECTION Frequency Range FM 87 5 MHz to 108 0 MHz AM 531 kHz to 1 602 kHz FM Tuner Usable Sensitivity 11 3 dBf 1 0 µV 75 Ω 50 dB Quieting Sensitivity 16 3 dBf 1 8 µV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 35 dB Capture Ratio 1 5 dB AM Tuner Sensitivity 20 µV Selectivity 35 dB CD PLAYER SECTION Type Compact disc player Signal Detec...

Page 3: ... 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 Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check ...

Page 4: ...in the optical pickup The tester s internal power source can easily destroy the laser diode 1 3 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to the replacement procedure in ...

Page 5: ...anel assembly Fig 1 2 1 2 Removing the bottom cover See Fig 2 Prior to performing the following procedure remove the front panel assembly as required 1 Turn over the main body and release the two joints a two joints b and joint c Caution Do not damage the main board when releasing the joints using a screwdriver Fig 2 Front panel assembly Detach button Bottom cover Joint a Joint b Joint a Joint b J...

Page 6: ...ure remove the front panel assembly as required 1 Remove the two screws C and two screws D on the left side of the main body Fig 5 2 1 5 Removing the rear bracket See Fig 6 Prior to performing the following procedures remove the bot tom cover 1 Remove the three screws E three screws F and three screws G on the back side of the main body 2 Remove the rear bracket Reference During reassembly before ...

Page 7: ...mbly heat sink rear bracket and main board 1 Remove the five screws J attaching the mecha control board 2 Disconnect the card wire from the mecha connector 3 Move the mecha control board in the direction of the arrow to release it from the joint f Fig 8 2 1 8 Removing the CD mechanism assembly See Fig 9 Prior to performing the following procedure remove the front panel assembly bottom cover front ...

Page 8: ...the five screws L attaching the rear cover on the back side of the front panel assembly See Fig 10 2 Release the eight joints g remove the rear cover from the front panel assembly See Fig 11 3 Take out the front board See Fig 12 Fig 10 Fig 11 Fig 12 L L L L Front panel assembly Rear cover Joint g Joint g Rear cover Front panel assembly Front board ...

Page 9: ...moving the top cover See Figs 1 and 2 1 Remove the four screws A on the both side of the body 2 Lift the front side of the top cover and move the top cover backward to release the two joints a Fig 1 Fig 2 A A A Joints a Top cover Joints a Top cover ...

Page 10: ...nector board 2 Solder the short circuit point on the pickup 3 Disconnect the flexible wire from the pickup 4 Move the connector board in the direction of the arrow to release the two joints b 5 Unsolder the wires on the connector board if necessary CAUTION Unsolder the short circuit point after reassembling Fig 3 Fig 4 Fig 5 B Connector board Pickup Short circuit point Joints b Wires Pickup Short ...

Page 11: ... switch See Figs 6 and 7 1 Extend the two tabs c of the feed sw holder and pull out the switch 2 Unsolder the DET switch wire if necessary Fig 6 Fig 7 Connector board DET switch Pickup DET switch Tab c Tab c DET switch wire Feed sw holder ...

Page 12: ...he chassis unit to the frame CAUTION The shape of the suspension spring L and R are dif ferent Handle them with care When reassembling make sure that the three shafts on the underside of the chassis unit are inserted to the dampers certainly Fig 8 Fig 9 Suspension spring L Suspension spring L Suspension spring R Suspension spring R Chassis unit Frame Chassis unit Frame Shafts Shaft Damper Damper D...

Page 13: ...cedure remove the top cover 1 Remove the clamper arm spring 2 Move the clamper assembly in the direction of the arrow to release the two joints d Fig 10 Fig 11 Clamper arm spring Chassis rivet assembly Joint d Joint d Clamper assembly Clamper arm spring Clamper assembly Joint d Joint d Chassis rivet assembly ...

Page 14: ...e the screw C and move the loading feed motor as sembly in the direction of the arrow to remove it from the chassis rivet assembly 2 Disconnect the wire from the loading feed motor assembly if necessary CAUTION When reassembling connect the wire from the loading feed motor assembly to the flame as shown in Fig 12 Fig 12 Fig 13 Loading feed motor assembly Loading feed motor assembly C ...

Page 15: ... F 2 Reattach the feed sw holder to the feed rack while setting the joint g to the slot of the feed rack and setting the joint f of the feed rack to the switch of the feed sw holder correct ly 3 As the feed sw holder is temporarily attached to the pickup unit set to the gear of the joint g and to the bending part of the chassis joint h at a time CAUTION Make sure that the part i on the underside o...

Page 16: ...e slot of the chassis rivet assembly respectively and join the joint k at a time Fig 19 Fig 20 2 2 10 Removing the top plate assembly See Fig 21 Prior to performing the following procedure remove the top cover connector board chassis unit and clamper assembly 1 Remove the screw H 2 Move the top plate assembly in the direction of the arrow to release the two joints r 3 Unsolder the wire marked s if...

Page 17: ...irection of the arrow to release the joint u 2 Unsolder the wire of the mode sw marked s if necessary 3 Turn the select lock arm in the direction of the arrow to re lease the two joints v 4 The select lock arm spring comes off the select lock arm at the same time Fig 22 Fig 23 Mode sw Select lock arm Joint t Link plate Joint u s Top plate Top plate Select lock arm Select lock arm spring Select loc...

Page 18: ... the underside of the select lock arm and join the select lock arm to the slots joint v Turn the select lock arm as shown in the figure 3 Reattach the mode sw while setting the part t to the first peak of the link plate gear and join the joint u CAUTION When reattaching the mode sw check if the points y and z are correctly fitted and if each part operates properly Fig 24 Fig 25 Fig 26 Select lock ...

Page 19: ... 29 and 30 REFERENCE Reverse the above removing procedure 1 Reattach the link plate spring 2 Reattach the link plate to the link plate spring while joining them at joint d 3 Reattach the joint a of the select arm R to the first peak of the link plate while joining the two joints b with the slots Then turn the select arm R as shown in the figure The top plate is joined to the joint c CAUTION When r...

Page 20: ... 5 Extend the lock arm rivet assembly outward and release the joint j from the boss of the chassis rivet assembly The roller guide springs on both sides come off at the same time CAUTION When reassembling reattach the left and right roller guide springs to the lock arm rivet assembly before reat taching the lock arm rivet assembly to the chassis rivet assembly Make sure to fit the part k of the ro...

Page 21: ...chassis unit pickup unit and top plate assembly 1 Remove the screw K attaching the loading gear bracket The loading gear 6 and 7 come off the loading gear brack et 2 Pull out the loading gear 5 Fig 35 Fig 36 K Loading gear bracket Loading gear 6 Loading gear 5 Loading gear 3 K Loading gear bracket Loading gear 6 Loading gear 5 Loading gear 7 ...

Page 22: ...Remove the loading gear 1 8 Move the change plate rivet assembly in the direction of the arrow to release from the three shafts of the chassis rivet assembly upward See Fig 38 9 Detach the loading gear plate rivet assembly from the shaft of the chassis rivet assembly upward while releasing the joint p See Figs 38 and 40 10 Pull out the loading gear 4 Fig 37 Fig 38 Fig 39 Fig 40 Slot m Slot m Joint...

Page 23: ...ng procedure remove the top cover connector board chassis unit and clamper assembly 1 Remove the two screws L attaching the spindle motor as sembly through the slot of the turn table on top of the body 2 Unsolder the wire on the connector board if necessary Fig 41 Fig 42 L Turn table L Turn table Spindle motor ...

Page 24: ...ct the extension cable for adjusting Caution Be sure to attach the heat sink and rear bracket onto the power amplifier IC and regulator IC respectively before supply the power If voltage is applied without attaching these parts the power amplifier IC and regulator IC will be destroyed by heat Power supply voltage DC14 4V 11 to 16V Load impedance 20KΩ 2 Speakers connection Output Level Line out 2 0...

Page 25: ...search waveform appear at IC681 pins 13 and 14 Check the circuits in the vicinity of IC681 pins 13 14 and 1 Check the pickup and its connections Is the disk rotated Does the RF signal appear at IC601 pin 19 Is the RF waveform at IC601 pin 19 distorted Proceed to the Tracking section Is 4V present at IC681 pins 15 and 16 Check the spindle motor and its wiring Check the circuits in the vicinity of I...

Page 26: ...g loop closed RF signal eye pattern opens TOC read out Jump to the first track Play When the laser diode correctly emits Microprocessor commands SEL TC94A14FA 38 LD CN601 10 No disc display When the disc correctly rotates Microprocessor commands DMO TC94A14FA 41 Spindle motor IC681 16 Tracking Servo Loop ON RF signal Rough Servo Mode v CLV Servo Mode Program Area CLV Servo Mode Lead In Area Digita...

Page 27: ...ptical block do not touch the semi fixed resistor If the laser power is lower than the specified value the la ser diode is almost worn out and the laser pickup should be replaced If the semi fixed resistor is adjusted while the pickup is functioning normally the laser pickup may be damaged due to excessive current 3 5 Replacement of laser pickup Is RF output 1 3 0 4Vp p Replace it NO YES O K Turn ...

Page 28: ...CTION 4 Description of major ICs 4 1 BA3220FV X IC301 IC281 Line out amp Pin layout Block diagram 1 7 8 3220 14 REFR REFL FILTER 8 9 10 11 12 13 14 1 2 3 4 5 6 7 INR NFR FIL NFL CL Vcc INL CL LGND OUTL OUTR RGND CR CR ...

Page 29: ...ier invert input 2 OPOUT2 CH2 Pre OP amplifier output 3 OPIN1 CH1 Pre OP amplifier invert input 4 OPOUT1 CH1 Pre OP amplifier output 5 REG B Connect to external Tr Base 6 REG Regulator terminal of output feedback 7 PreGND Pre Block and Regulator GND 8 MUTE Mute terminal 9 PowGND Power Block GND 10 PowVcc1 CH1 2 Power Block Vcc 11 VO1 Driver CH1 negative output 12 VO1 Driver CH1 positive output 13 ...

Page 30: ...o use connect to GND SCL I Serial clock input SDA I O Serial data I O of slave and ward address WP I Write protect terminal 8 Vcc 7 WP 6 SCL 5 SDA A0 1 A1 2 A2 3 GND 4 16kbit EEPROM allay 11bit 11bit 8bit Address decoder Slave Ward Address resister Data resister START STOP ACK Control circuit High voltage osc circuit Power supply voltage det 14 13 12 11 8 10 9 1 2 3 4 7 5 6 VDD C1 C4 I O4 I O3 O I...

Page 31: ... H ANT output ON 8 VCC Connected to VCC 9 BATT DET Low battery detect 10 AUDIO OUT Output voltage is 9V when M or H level applied to CTRL pin 11 CTRL L BIAS OFF M BIAS ON H CD ON 12 CD OUT Output voltage is 8V when H level applied to CTRL pin 13 ILM AJ Adjustment pin for ILM output voltage 14 ILM OUT Output voltage is 10V when M or H level applied to CTRL pin 15 GND Connected to GND 2 1 11 12 10 1...

Page 32: ... Block diagram Note CL includes probe and jig capacitance 1 2 3 4 5 6 7 1C 1A 1Y 2C 2A 2Y GND VCC 4C 4A 4Y 3C 3A 3Y 14 13 12 11 10 9 8 Input Output C A Y L X Z H L H H H L Vcc Vcc Input See Function Table 1A 2A 3A 4A 1C 2C 3C 4C 1Y 2Y 3Y 4Y Output Output Output Output Sample as Load Circuit 1 Sample as Load Circuit 1 Sample as Load Circuit 1 1k 1k S1 CL ...

Page 33: ... Pin function H High level L Low level X Irrelevant Z Off Hhigh impedance state of a 3 stage output Block diagram 14 13 12 11 10 9 8 1 2 3 4 5 6 7 Vcc 4C 4A 4Y 3C 3A 3Y 1C 1A 1Y 2C 2A 2Y GND Input Output C A Y L X Z H L L H H H 1Y 2Y 3Y 4Y 1A 1C 2A 2C 3A 3C 4A 4C ...

Page 34: ...on 1 2 VOUT VDD 4 3 VSS NC 1 VOUT 2 3 VDD VSS Vref No Pin Name Function 1 Vout Reset Signal Output PIN 2 VDD VDD PIN Voltage Detect PIN 3 NC Non connect 4 VSS VSS PIN NC 1 GND 2 4 Vcc 3 VOUT Vcc 4 NC 1 3 VOUT 2 GND Pin No Symbol Function 1 NC Non connect 2 GND GND terminal 3 VOUT Reset signal output terminal 4 Vcc Vcc terminal Voltage detect terminal ...

Page 35: ...yout Block diagram 1 2 3 Vcc Vcc Comp AGC AMP PD Detector BPF fo trimming circuit I V conversion magnetic shield Rout GND 22k 1 14 28 15 MIX Gain Auto Zero Mixing Stage Loudness Volume Soft Mute Treble Bass Input Multiplexer Mono Beep Beep Supply Digital Control I C Bus Zero Cross Mono Fader Mono Fader Mono Fader Mono Fader Mono Fader Mono Fader 2 ...

Page 36: ...2 DQ4 VCC DQ11 DQ3 DQ10 DQ2 DQ9 DQ1 DQ8 DQ0 OE GND CE A0 DQ0 to DQ15 VCC BYTE CE WE OE RP WP A 1 A19 Input buffer Output buffer ID code register Command user interface Write state machine Data register Output Multiplexer Status register Write Erase voltage selecter Y decoder X decoder Y gate Main block 0 Boot block 0 Main block 29 Main block 30 32k word 64k byte Main block x 31 VCC GND RY BY VCCW ...

Page 37: ...nable 29 DQ0 I O Data input output 30 DQ8 I O Data input output 31 DQ1 I O Data input output 32 DQ9 I O Data input output 33 DQ2 I O Data input output 34 DQ10 I O Data input output 35 DQ3 I O Data input output 36 DQ11 I O Data input output 37 VCC Power supply 38 DQ4 I O Data input output 39 DQ12 I O Data input output 40 DQ5 I O Data input output 41 DQ13 I O Data input output 42 DQ6 I O Data input ...

Page 38: ... output 0 to 3 17 VDD Power supply 18 NC O Base clock output 19 GND Ground 20 XI I Connect to ground 21 NC O Not connect 22 VDD Power supply 23 OSCI I Crystal connecting terminal 25MHz 24 OSCO O Crystal connecting terminal 25MHz 25 MODE I Mode setting input pull up H memory extension mode 26 to 33 A4 to A11 O Extension memory output 4 to 11 34 AVDD Analog power supply 35 to 42 A12 to A19 O Extensi...

Page 39: ...ut Serial 72 KEYDATA O Key code data output Serial 73 SIFDA I O On board serial writing data input output pull up 74 SIFCK I On board serial writing clock input pull up 75 NMI I NMI H fix 76 DISPCE I Chip enable input for serial communication 77 Ground 78 PSAVE2 I POWER SAVE2 Memory power supply off detecting input 79 NC Not use 80 KEY_IN I Key interrupt input 81 ADSEP I Address data separate comm...

Page 40: ...VDD 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 DATA LATCH DGND OUT2 F5R2 F5O2 F5I2 F4R2 F4O2 F4I2 F3R2 F3O2 F3I2 F2R2 F2O2 F2I2 F1R2 F1O2 F1I2 IN2 REFIN GE5 GE4 GE3 GE2 GE1 GE5 GE4 GE3 GE2 GE1 12K 12K 12K 12K SBK 2K 70K 40K 40K CH2 CH1 AVSS AVDD 70K 2K 68K MICON INTERFACE ...

Page 41: ...yout Pin function 1 2 3 4 8 1 Cs 2 Es 3 CT 4 GND 5 INVIN 6 Vcc 7 SI 8 CD 7 6 5 4 GND 3 2 1 5 6 Ipk sense Driver collector Switch collector Switch emitter Timing capacitor Comparator reversal input 7 8 V Q1 Q Q S R 2 C OSC COMP V 1 25V Ipk T REF A B 8 7 6 5 1 2 3 4 1 2 3 4 5 6 7 8 AOUTPUT A INPUT A INPUT V B INPUT B INPUT B OUTPUT V ...

Page 42: ...F25 X IC651 Regulator Pin layout Block diagram 4 18 NJU7241F33 X IC504 IC804 Voltage regulator GND 1 VIN 2 VOUT 3 5 STB 4 NC Short protect 3 VOUT 1 GND Vref VIN 2 STB 5 GND 1 1 2 3 5 4 PIN FUNCTION 1 GND 2 VIN 3 VOUT 4 NC 5 STB ...

Page 43: ...5 XTI I Oscillator input External clock input 6 XTO O Oscillator output 7 DGND Digital ground 8 VDD Digital power 5V 9 VDD2R Analog power 5V 10 AGND2R Analog ground 11 EXTR O Rch common pin of analog output amp 12 NC Non connection 13 VOUTR O Rch analog voltage output of audio signal 14 AGND1 Analog ground 15 Vcc1 Analog power 5V 16 VOUTL O Lch analog voltage output of audio signal 17 NC Non conne...

Page 44: ... 3k 180k 240k 240k 15pF 15pF 40pF 40pF 10pF 60k 60k 22k 22k 94k 94k 14k 50k 20k 20k 20k 40k 50k PEAK 15k 40k 2k 1 75k 1 3V 2k 1k 180k 3k 12k 12k 20k 40k 30k 10pF 50 A BOTTOM PEAK K 1 x0 5 x2 x0 5 x2 PIN SEL APC SW TEB TE BAL RFGC AGC Gian TEB TE BAL VCTRLPIN VCC APC ON 50 12dB Normal mode 0dB HiZ APC ON 0 6dB Normal mode 0dB GND APC OFF LDO H 50 0dB CD RW mode 12dB ...

Page 45: ... search system 12 RFDC O RF signal peak detection output pin 13 GVSW I AGC FE TE amp gain change pin 14 VRO O Reference voltage VRO output pin VRO 1 2VCC When VCC 3 3V 15 FEO O Focus error signal generation amp output pin 16 FEN I Focus error signal generation amp negative phase input pin 17 RFRP O Signal amp output pin for track count Combining RFRP signal and TEO signal with TC94A14F FA configur...

Page 46: ...in L for L channel and H for R channel Output polarity can be inverted by command 3 AOUT O Audio data output pin MSB first or LSB first selectable by command 4 DOUT O Digital data output pin Outputs up to double speed playback 5 IPF O Correction flag output pin When set to H AOUT output cannot be corrected by C2 correction processing 6 VDD3 Digital 3 3V power supply voltage pin 7 VSS3 Digital GND ...

Page 47: ...tput with UHS H 39 AVDD3 Analog 3 3V power supply voltage pin 40 FMO O Feed equalizer output pin 41 DMO O Disc equalizer output pin 42 VSS3 Digital GND pin 43 VDD3 Digital 3 3V power supply voltage pin 44 TESIN I Test input pin Normally fixed to L 45 XVSS3 System clock oscillator GND pin 46 XI I System clock oscillator input pin 47 XO O System clock oscillator output pin 48 XVDD3 System clock osci...

Page 48: ...P CKi CKo Po6 SBOK VDDX Xi Xo VSSX 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Interrupt Control Timer Flag General Output Port Address Calc 2sets X Pointer register Y Pointer register C Pointer register Bus Switch ERAM 2k word CROM 4k word 7 YRAM 4k word XRAM 4k word X Bus Y Bus PRAM 256word Program Control PROM 4k 3 12kword 40bit Instruction Decoder Mic...

Page 49: ...mal 20 VSS Ground for digital circuit 21 VSSL Ground for DAC Lch 22 VRAL Reference voltage for DAC Lch 23 LO O DAC Lch output 24 VDAL Power supply for DAC Lch 2 5V 25 VDAR Power supply for DAC Rch 2 5V 26 RO O DAC Rch output 27 VRAR Reference voltage for DAC Rch 28 VSSR Ground for DAC Rch 29 TESTP I Test terminal H Test mode L Normal 30 TXO O SPDIF output 31 Po0 O General output port 0 A3 O Addres...

Page 50: ...ct 19 LCDDA SI O Data to LCD driver Not connect 20 LCDCK O Clock to LCD driver Not connect 21 BUSS0 I JVC BUS data 22 BUSSI O JVC BUS data 23 BUSSCK I O JVC BUS clock 24 AM0 Pull up to 3 3V 25 DVCC Connect to 3 3V 26 X2 Crystal oscillator 24 576MHz 27 DVSS Connect to ground 28 X1 Crystal oscillator 24 576MHz 29 AM1 Pull up to 3 3V 30 RESET I Reset 31 32 NC Not connect 33 EMU0 Not connect 34 EMU1 N...

Page 51: ...3V 65 DACML O DAC mode control latch 66 DACMC O DAC mode control BCk 67 DACMD O DAC mode control data 68 DACCS O DAC chip select 69 to 77 NC Not connect 78 BOOT 79 NC Not connect 80 8VDET I CD mechanism power supply detection L 8V exist 81 MP3REQ I CD MP3 request 82 83 NC Not connect 84 MP3DI I CD MP3 data 85 MP3CK O Clock for CD MP3 data 86 BUSINT I Interrupt for JVC BUS transmission start 87 88 ...

Page 52: ... converter power supply 24 AVREF0 A D reference voltage 25 VOL1 I Volume encoder pulse input 1 26 VOL2 I Volume encoder pulse input 2 27 to 29 NC Not use 30 MRC I MRC input 31 SQ I Not use pull down 32 SM I S METER input 33 AVSS Ground 34 NC Not use 35 STAGE3 I Feature selection pull up 36 AVREF 37 BUS SI I J BUS data input 38 BUS SO O J BUS data output 39 BUS SCK I O J BUS clock input output 40 B...

Page 53: ...tection input Active level can be selected H or L in PSM 71 DIM OUT O Dimmer detector output 72 VSS Ground 73 DIM IN I Dimmer detector input L dimmer on 74 PS1 I Power save1 L ACC off 75 POWER O Power on off control output H power on 76 CD ON Not use 77 MUTING O Muting output L muting on 78 CD MUTING I CD mute input L mute on 79 CD RESET O CD reset control out H reset on 80 LINE SEL I Feature sele...

Page 54: ... No 49839 AV MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan VICTOR COMPANY OF JAPAN LIMITED WPC Printed in Japan ...

Page 55: ...vailable as service parts Contents Exploded view of general assembly and parts list Block No M1 CD mechanism assembly and parts list Block No MB Electrical parts list Block No 01 03 Packing materials and accessories parts list Block No M3 KD LH3105 3 2 3 4 3 6 3 14 Area suffix U Other Areas ...

Page 56: ... board LCD1 Main board A B 2 81 74 82 75 10 79 10 76 78 80 10 77 6 5 66 15 14 12 26 19 29 21 32 25 20 15 11 8 8 9 9 4 56 68 64 65 59 60 57 61 58 52 63 62 3 54 49 35 33 39 42 43 38 40 44 48 51 50 47 34 36 37 41 54 53 53 18 30 17 31 23 28 22 24 27 53 45 46 55 16 83 83 1 7 13 7 7 13 13 70 69 67 73 71 73 72 ...

Page 57: ...N 38 GE30834 001A RIM LENS 39 GE30836 001A RIM COVER L 40 GE20152 001A PRESET BUTTON 41 GE30838 004A CD BTN 42 GE30934 001A DETACH BUTTON 43 GE30999 001A COMP SPRING 44 GE30835 001A NAVIGATION BTN 45 FSYH4036 013 SHEET 46 GE30937 002A NAVI BASE 47 GE30858 001A RIM COVER R 48 GE30860 001A FM AM BTN 49 GE30861 002A EQ BTN 50 GE30914 002A EJECT BUTTON 51 VKW3001 330 COMP SPRING 52 GE10062 003A REAR C...

Page 58: ...A C C D D B a a B TN 2001 1013 111 2 111 37 27 32 23 13 15 99 28 98 83 12 86 121 16 17 124 4 125 1 111 3 3 71 111 93 111 91 92 113 88 89 82 87 20 18 115 90 32 30 38 114 11 85 25 73 111 33 34 74 72 35 26 31 22 36 116 29 112 19 61 24 112 62 21 38 76 95 96 14 97 100 123 81 94 77 75 74 73 84 94 101 100 122 93 75 83 ...

Page 59: ...PENSION SP L x2 61 69011614T PICKUP OPT 725 62 64180406T DET SW ESE22 71 303210302T CONN BOARD ASSY 72 30321002T MODE SW 73 30321003T LOAD MOTOR WIRE 74 30321005T MODE SW WIRE 75 30321009T SL WIRE 76 30321011T WIRE HOLDER 77 19501403T WIRE CLUMPER 81 303211301T ROLLER SHAFT AS 82 303211501T L GEAR PLATE RV 83 303211302T LOADING PLATE A 84 303211502T LOCK ARM RV ASS 85 303211303T L F MOTOR ASSY 86 ...

Page 60: ...CS31HJ 821X C CAPACITOR 820pF 50V J C104 QERF1HM 105Z E CAPACITOR 1uF 50V M C110 QERF1HM 105Z E CAPACITOR 1uF 50V M C115 NFV81CM 105X TS E CAPACITOR 1uF 16V M C116 NFV81CM 105X TS E CAPACITOR 1uF 16V M C117 NCB31HK 331X C CAPACITOR 330pF 50V K C118 NCB31HK 331X C CAPACITOR 330pF 50V K C120 QERF1CM 476Z E CAPACITOR 47uF 16V M C122 NCB31EK 473X C CAPACITOR 0 047uF 25V K C123 NCS31HJ 101X C CAPACITOR...

Page 61: ...CB31HK 272X C CAPACITOR 2700pF 50V K C923 QERF1CM 107Z E CAPACITOR 100uF 16V M Symbol No Part No Part Name Description Local C924 NCB31EK 473X C CAPACITOR 0 047uF 25V K C929 NCB31CK 473X C CAPACITOR 0 047uF 16V K C930 QERF1CM 106Z E CAPACITOR 10uF 16V M C941 QERF1CM 476Z E CAPACITOR 47uF 16V M C942 QERF0JM 107Z E CAPACITOR 100uF 6 3V M C945 NCB31CK 104X C CAPACITOR 0 1uF 16V K C951 QERF1CM 476Z E ...

Page 62: ...1kΩ 1 16W J R750 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J Symbol No Part No Part Name Description Local R751 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R754 NRSA63J 331X MG RESISTOR 330Ω 1 16W J R755 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R756 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R757 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R758 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R759 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R760 ...

Page 63: ...10LT MN X LED D408 SML 310LT MN X LED D409 SML 310LT MN X LED D410 SML 310LT MN X LED D411 SML 310LT MN X LED D412 SML 310LT MN X LED D413 SML310BAT JKL X LED D414 SML310BAT JKL X LED D415 SML 310LT MN X LED D416 SML 310LT MN X LED D417 SML 310LT MN X LED D418 SML 310LT MN X LED D419 SML 310LT MN X LED D420 SML 310LT MN X LED D421 SML 310LT MN X LED D422 SML 310LT MN X LED D423 UDZS6 2B X Z DIODE ...

Page 64: ...16W J R806 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J Symbol No Part No Part Name Description Local R807 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R808 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R809 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R810 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R811 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R812 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R813 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R814 NRSA6...

Page 65: ... 1uF 16V K C574 NEAD1CM 106X E CAPACITOR 10uF 16V M C575 NEAD0JM 476X E CAPACITOR 47uF 6 3V M C576 NCB31CK 104X C CAPACITOR 0 1uF 16V K C577 NCB31CK 104X C CAPACITOR 0 1uF 16V K C578 NEAD0JM 476X E CAPACITOR 47uF 6 3V M C579 NEAD1CM 106X E CAPACITOR 10uF 16V M C580 NCB31CK 104X C CAPACITOR 0 1uF 16V K C581 NCS31HJ 101X C CAPACITOR 100pF 50V J C582 NCS31HJ 101X C CAPACITOR 100pF 50V J C583 NCS31HJ ...

Page 66: ...63J 183X MG RESISTOR 18kΩ 1 16W J Symbol No Part No Part Name Description Local R554 NRSA63J 333X MG RESISTOR 33kΩ 1 16W J R555 NRSA63J 101X MG RESISTOR 100Ω 1 16W J R556 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R557 NRSA63J 104X MG RESISTOR 100kΩ 1 16W J R558 NRSA63J 104X MG RESISTOR 100kΩ 1 16W J R559 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R560 NRSA63J 101X MG RESISTOR 100Ω 1 16W J R561 NRSA63J 104X MG ...

Page 67: ...2 NQL114K 470X INDUCITOR 47uH K L571 NQL114K 470X INDUCITOR 47uH K L572 NQL114K 470X INDUCITOR 47uH K L621 NQL114K 470X INDUCITOR 47uH K L622 NQL114K 470X INDUCITOR 47uH K L623 NQL114K 470X INDUCITOR 47uH K L651 NQL114K 470X INDUCITOR 47uH K L652 NQL114K 470X INDUCITOR 47uH K L653 NQL114K 470X INDUCITOR 47uH K CN501 QGB2027L1 22X CONNECTOR B B 1 22 CN601 QGF0527F2 22W CONNECTOR FFC FPC 1 22 TH501 ...

Page 68: ...KD LH3105 3 14 Packing materials and accessories parts list Block No M M M 3 P7 P1 P3 P5 P4 A1 A18 A16 A17 A13 KIT P6 P8 P8 A14 A15 P2 A2A3A4 A8A9 A10A11A12 A5A6A7 ...

Page 69: ... 202 PLUG NUT A 9 VKH4871 001SS MOUNT BOLT A 10 VKZ4328 001 LOCK NUT A 11 WNS5000Z WASHER A 12 GE40130 001A HOOK x2 A 13 FSJB3002 00C HARD CASE A 14 GE20137 003A MOUNTING SLEEVE A 15 GE20150 001A TRIM PLATE ASSY A 16 RM RK60 REMOCON UNIT A 17 BATTERY A 18 QAM0308 001 16 CORD ASSY KIT KSFX480K SCREW1 SCREW PARTS KIT A8 to A12 P 1 FSPG4002 001 POLY BAG P 2 FSPG4002 001 POLY BAG P 3 QPA00801205 POLY ...

Page 70: ... CD RECEIVER No 49839SCH 2003 05 COPYRIGHT 2003 VICTOR COMPANY OF JAPAN LTD KD LH3105 KD LH3105 Contents Block diagram Standard schematic diagrams Printed circuit boards 2 1 2 2 2 5 6 Area Suffix U Other Areas KD LH3105 ...

Page 71: ...t 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 ...

Page 72: ... BUSCLK VOUTL VOUTR CD L CH CD R CH IC652 MP3 DEC SDO BCK LRCK DATA BCK LRCK MP3DA MP3CK MP3STB MP3RST IC802 FLASH ROM A0 to A19 D0 to D7 RE WE EXROM CS1 ROMCNT IC803 RESET KEYDA DISPCE DISPDA DISPCK EN801 ENCODER VOL1 VOL2 CN802 S802 to S818 KEY MATRIX Block diagram TU1 FM AM TUNER IC701 CPU IC911 E VOLUME FM AM MRC PLLDI PLLCK PLLDA PLLCE SM SD ST IC901 REGULATOR SPK BATTERY EACH BLOCK TU L TU R...

Page 73: ...1A 4 7k UN2111 47k 1k 4 7 25 4 7 25 2SD601A 1k QGB2027M4 22S UN2211 UN2211 0 47K 0 47u 10M 470P UN2213 2 2K 10k 47k 47k 47k 47k 1k 1k 1k 1k 1k 100 10 330 1k 1SS355 3 9k 3 9k 3 9k 4 7k 4 7k 10k 1k 1k 1k 1k 1k 1k 1k 10k 270 10k 270 1k 3 3k UN2211 47k 0 047 47u 0 1 100k 100 22k 47k 100k 330 100 180 47k 22 22 22 22 0 0 1SS355 UN2211 UN2111 RB160M 30 UN2111 2SB709A UN2111 2SD601A UN2211 4 7k QGA2006F1 ...

Page 74: ...1F1 08X 8 2k NJU7241F33 100 100 100 100 100 100 100 100 47k 100 1k 47k 47k 0 01 47k 1k 1k 100 47k 0 01 100k NAX0385 001X 0 10k 47u 1M 0 01 100p 0 1 0 1 0R0 1k 330 330 0 027 0 33 12k 33k 47 6 3 100k 6 8k 0 01 6 8k 100 0 1 0 1 6 8k 47k 10k 0 1 100p 0 01 1k 20k 4 7 35 4 7 35 UN2211 UN2111 12k 30k 12k 30k 120p 120p 4 7 35 4 7 35 4 7k 4 7k 0 1 0 01 100 6 3 100k 6 8k 3 9k 0 18k 1k 0 01 47u UN2211 BA5830...

Page 75: ...7k 47k 47k 1 5k 1 5k 1 5k UN2111 0 1 35 1K 1K 1K 1K 1K 1K 1K 1K 1K 330 1k 1K 8 2k 10k 47k 330 330 330 330 330 330 330 330 330 330 330 330 0 047 0 047 470P IC PST3424U X 0 047 0 047 0 047 0 047 0 047 2 2M 0 047 0 47 0 047 47k 47k 2SD601A 330 330 330 330 330 330 330 330 330 1k 30p 30p 390 270 300 0 UDZS6 2B 47K LH28F160BJHET92 2SD601A SML 310LT SML 310LT SML 310LT 470 470 820 820 820 820 680 680 680...

Page 76: ...6 R777 R778 R779 R780 R785 R791 R792 R901 R902 R904 R905 R906 R908 R909 R910 R911 R912 R913 R914 R915 R916 R917 R951 R952 R953 R981 S701 S702 TU1 X51 C272 X701 X702 C271 C370 C369 C368 C367 C366 C365 C364 C363 C362 C361 C255 C930 C351 C920 C929 L702 C715 CN702 R30 BZ795 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C21 C22 C23 C25 C26 C27 C51 C52 C53 C54 C55 C56 C57 C101 C102 CN701 D720 C969 C970 R964 S703 CN141...

Page 77: ...3 C594 C597 B682 C521 C522 C524 C526 C528 C530 C531 C534 C535 C533 C527 C538 C539 C523 C525 C529 C536 C537 C532 C616 C687 C685 C686 C688 C596 C595 R593 C598 C689 C690 C615 B681 D506 IC501 Front board Forward side Front board Mecha control board Mecha control board Reverse side Forward side Reverse side C825 D402 D403 D405 D406 D407 D408 D409 D410 D411 D412 D413 D414 D415 D416 D417 D418 D419 D420 D...

Page 78: ...KD LH3105 M E M O ...

Page 79: ...KD LH3105 VICTOR COMPANY OF JAPAN LIMITED AV MULTIMEDIA COMPANY 10 1 1Chome Ohwatari machi Maebashi city 371 8543 Japan No 49839SCH Printed in Japan 2003 05 ...

Search results

Summary of Contents for KD-LH3105

Reviews:

Related manuals for KD-LH3105

Brands by name

Popular brands

JVC KD-LH3105, Service Manual

Search results

Summary of Contents for KD-LH3105

Reviews:

Related manuals for KD-LH3105

Brands by name

Popular brands