JVC KD-LH2000 Service Manual Download Page 54

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KD-LH2000

2-4

Printed circuit boards

Main board(Forward side)

Front board(Forward side)

BZ795

C21

C24

C27

C51

C56

C102

C103

C104

C111

C112

C113

C114

C115

C116

C117

C118

C119

C120

C121

C131

C132

C133

C134

C135

C136

C137

C138

C139

C140

C141

C142

C151

C152

C153

C156

C157

C158

C159

C160

C755

L753

C181

C191

C192

C193

C194

C202

C203

C204

C211

C212

C213

C214

C215

C216

C251

C252

C253

C256

C257

C258

C259

R301

R302

R303

R304

R992
R993

D719
D718

CN901

S703

R117

R118

C718

C719

R218

R217

C720

C702

C707

C708

C710

C713

C781

C795

C901

C902

C903

C905

C906

C907

C908

C909

C910

C911

C912

C913

C914

C921

C923

C941

C942

C951

C953

C954

C955

C956

C957

C958

C959

C961

C962

C963

C964

C965

C966

C967

C968

CN131

CN601

CN701

CN902

D111

D131

D151

D191

D192

D193

D251

D701

D702

D901

D902

D903

D904

D905

D906

D951

D961

D962

D963

D964

D965

D966

D967

D968

IC51

IC111

IC131

IC132

IC151

IC251

IC701

IC702

IC703

IC781

IC901

IC921

IC951

J121

L701

L901

L921

Q21

Q22

Q24

Q25

Q26

Q27

Q101

Q121

Q122

Q131

Q132

Q133

Q191

Q201

Q221

Q222

Q701

Q902

Q903

Q904

Q905

Q941

Q942

Q951

R27

R28

R29

R51

R52

R101

R102

R103

R111

R112

R113
R114

R115

R121

R122

R123

R124

R125

R126

R132

R135

R145

R151

R152

R153

R181

R182

R192

R194

R195

R197

R201

R202

R203

R211

R212

R213

R214

R215

R221

R222

R223

R224

R225

R226

R251

R252

R253

R281

R282

R707

R711

R713

R714

R715

R716

R717

R719

R720

R722

R723

R724

R725

R726

R727

R728

R729

R730
R731

R732

R733

R734

R739

R740

R741

R742

R747

R748

R749

R750

R751

R754

R755

R756
R757
R758
R759

R773

R774

R775

R776

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

X701

X702

C124

L702

C715

CN702

R30

100

LVA10358

S1A

MARK
UL

C451

C452

C453

C454

C455

C456 C457

C458

C459

D451 D452

D453

C825

D402

D403

D404

D405

D406

D407

D408

D409

D410

D411

D412

D413

D414

D415

D416

D417

D418

D419

D420

D421

D422

D804

D805

D806

D807

D808

D809

D810

D811

EN801

IC805

L801

R409
R410

R417

R418

R421

R422

R423

R427

R428

R429

R436

R437

R438

R442

R443

R444

R479

R804

R808

R809

R810

R811

R812

R813

R814

R815

R816

R817

R818

R819

R820

R821

R822

R823

R834

R837
R838

R839

R844
R845

R847

R848

R849

R884

S802

S803

S804

S805

S806

S807

S808

S809

S810

S811

S812

S813

S814

S815

S816

S817

S818

TH801

D434

D433

D432

R871

R873

R894

R893

R471
R472
R473

R474

R475

R476

R477

R478

R480

S1A

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

Summary of Contents for KD-LH2000

Page 1: ...hod Adjustment method 1 2 1 3 1 4 1 19 Flow of functional operation unit TOC read Maintenance of laser pickup Replacement of laser pickup Description of major ICs 1 20 1 22 1 22 1 23 49 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www ...

Page 2: ...is system Safety precaution Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 3: ... diode in the optical pickup The tester s internal power source can easily destroy the laser diode 4 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 procedur...

Page 4: ... the following procedure remove the bottom cover Remove the two screws A attaching the front chassis Remove the two screws B on each side of the body Release the two joints d and the two joints e on the sides remove the front chassis toward the front 1 2 3 Removing the front chassis See Fig 4 5 Fig 4 Fig 1 Fig 5 Front panel unit B Front chassis Joint d Joint d Joint e Joint e Fig 2 Bottom cover Jo...

Page 5: ...procedure remove the front chassis the heat sink bottom cover and the rear panel Remove the two screws F attaching the main amplifier board assembly on the top cover Disconnect connector CN601 on the main amplifier board assembly from the cassette mechanism assembly 1 2 Removing the main amplifier board assembly See Fig 8 Fig 7 D D D D D E Rear panel Heat sink Fig 6 C C C Fig 8 Main board assembly...

Page 6: ...assis the heat sink bottom cover and the main amplifier board assembly Remove the three screws H attaching the cassette mechanism assembly from the top cover 1 Removing the CD mechanism assembly See Fig 10 Fig 9 G f g CN601 MP3 board G CD mechanism assembly H H Top cover Fig 10 H www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513...

Page 7: ...e joints h with the front panel and the rear cover Remove the control switch board on the back of the front panel 1 2 3 I I I Fig 11 Fig 13 Fig 12 LCD Key control board I Joint h Joint h Joint h Joint h Front panel Rear cover www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 89...

Page 8: ... See Fig 3 to 5 Before disconnecting the flexible wire from the pickup solder the short circuit point on the pickup No observance of this instruction may cause damage of the pickup CAUTION Unsolder the short circuit point after reassembling CAUTION Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 A A A B B Joints a Joints a Top cover Top cover Connector board DET switch Pickup Pickup Short circuit Joints b Short cir...

Page 9: ... with care CAUTION When reassembling make sure that the three shafts on the underside of the chassis unit are inserted to the dampers certainly CAUTION Fig 3 Fig 6 Fig 8 Fig 7 B Connector board DET switch DET switch Pickup Short circuit Joints b Tab c Feed sw holder Tab c Suspension spring L Suspension spring L Suspension spring R Suspension spring R Chassis unit Chassis unit Frame Frame Shafts Sh...

Page 10: ...mper assembly in the direction of the arrow to release the two joints d 1 2 Removing the clamper assembly See Fig 9 and 10 When reassembling connect the wire from the loading feed motor assembly to the flame as shown in Fig 11 CAUTION Fig 9 Fig 10 Fig 12 Fig 11 Clamper arm spring Clamper arm spring Chassis rivet assembly Joint d Joint d Clamper assembly Clamper assembly Joint d Joint d Chassis riv...

Page 11: ... pickup unit upward with the shaft and the feed sw holder then release the joint f of the feed sw holder in the direction of the arrow The joint g of the pickup unit and the feed rack is released and the feed sw holder comes off Remove the shaft from the pickup unit Remove the screw F attaching the feed rack to the pickup unit 1 2 3 4 5 Removing the pickup unit See Fig 13 to 17 Make sure that the ...

Page 12: ...irection of the arrow to release the joint k and pull out upward 1 Removing the trigger arm See Fig 18 and 19 When reassembling insert the part l and m of the trigger arm into the part n and o at the slot of the chassis rivet assembly respectively and join the joint k at a time CAUTION Fig 18 Fig 19 Fig 20 Joint k Trigger arm Trigger arm Chassis rivet assembly Chassis rivet assembly Part n Part l ...

Page 13: ...ction of the arrow to release the two joints t The select lock arm spring comes off the select lock arm at the same time 1 2 3 Removing the select arm L select lock arm See Fig 21 and 22 When reattaching the select arm L check if the points w and x are correctly fitted and if each part operates properly CAUTION Reverse the above removing procedure REFERENCE Fig 21 Fig 22 Fig 23 Fig 25 Fig 24 Top p...

Page 14: ...at the same time 1 2 Removing the select arm R link plate See Fig 21 and 22 When reattaching the select arm R check if the part c is correctly fitted and if each part operates properly CAUTION Reverse the above removing procedure REFERENCE Before removing the link plate remove the select arm L REFERENCE Fig 26 Fig 21 Fig 22 Top plate Top plate Select arm L Select lock arm Select lock arm Select lo...

Page 15: ... 3 Removing the loading roller assembly See Fig 27 to 29 When reassembling reattach the left and right roller guide springs to the lock arm rivet assembly before reattaching the lock arm rivet assembly to the chassis rivet assembly Make sure to fit the part h of the roller guide spring L inside of the roller guide Refer to Fig 30 CAUTION Fig 27 Fig 28 1 Fig 28 2 Fig 29 Fig 30 Roller guide Roller g...

Page 16: ... loading gear 5 1 2 Removing the loading gear 5 6 and 7 See Fig 31 and 32 Fig 31 Fig 32 J J Loading gear bracket Loading gear bracket Loading gear 6 Loading gear 5 Loading gear 6 Loading gear 5 Loading gear 7 Loading gear 3 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 8924...

Page 17: ... rivet assembly upward Detach the loading gear plate rivet assembly from the shaft of the chassis rivet assembly upward while releasing the joint l Pull out the loading gear 4 1 2 3 4 5 6 7 8 9 10 Removing the gears See Fig 33 to 36 Fig 33 Fig 34 Fig 36 Fig 35 Slot j Slot j Joint k Feed gear Loading plate assembly Slide plate Joint l Loading gear 4 Loading gear 2 Loading gear 2 Loading gear 4 Load...

Page 18: ...urn table on top of the body Unsolder the wire on the connector board if necessary 1 2 Removing the turn table spindle motor See Fig 37 and 38 Fig 37 Fig 38 K K Turn table Turn table Spindle motor www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 co...

Page 19: ...sive dummy load should be used for AM and FM For FM dummy load there is a loss of 6dB between SSG output and antenna input The loss of 6dB need not be considered since direct reading of figures are applied in this working standard Standard volume position Balance and Bass Treble volume lndication 0 S BASS O EQ FLAT Frequency Band FM 87 5MHz 107 9MHz AM 530kHz 1710 kHz Doing such as cardboard puts ...

Page 20: ...r commands SEL TC94A14FA 38 LD CN601 8 No disc display When the disc correctly rotates Microprocessor commands DMO TC94A14FA 41 Spindle motor IC681 7 Tracking Servo Loop ON RF signal Rough Servo Mode v CLV Servo Mode Program Area CLV Servo Mode Lead In Area Digital 0 Flow of functional operation unit TOC read 83 82 81 0V 6V 4V 2V OFF ON 3 3V Hi Z FEO TA2157 15 2 2V 84 3 3V 0V 2V 0V 84 86 A200 3 3V...

Page 21: ... 10 11 and 14 Check the pickup and its connections Is the disk rotated Does the RF signal appear at TP1 Is the RF waveform at TP1 distorted Proceed to the Tracking section Is 4V present at IC681 pins 6 and 7 Check the spindle motor and its wiring Check the circuits in the vicinity of IC601 19 24 or the pickup Is 3 3V present at IC621 pins 41 Check IC621 and IC601 Check the vicinity of IC681 When t...

Page 22: ...alue the laser 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 Is RF output 1 3 0 4Vp p YES NO O K Replace it Replacement of laser pickup Turn of the power switch and disconnect the power cord Replace the pickup with a normal one Refer to Pickup ...

Page 23: ...A Pin name I O Function Vcc GND A0 A1 A2 SCL SDA WPIN IN IN IN OUT IN 1 An open drain output requires a pull up resister Power supply Ground 0v Slave address set Serial clock input Slave and word address serial data input serial data output 1 Write protect input Description of major ICs www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 1394...

Page 24: ... BUS INT Power save2 H means STOP mode CD REQ INPUT RDS clock input RDS data input KEY DATA A D converter power supply A D reference voltage Volume encoder pulse input 1 Volume encoder pulse input 2 Handle remocon input 1 Handle remocon input 2 MRC input S Quality level input S METER input GND Feature selection H 2000 L 1000 J BUS data input J BUS data output J BUS clock input output J BUS I O sel...

Page 25: ...ng output H FM L AM CE output for PLL IC Data output for PLL IC Clock output for PLL IC Data input from PLL IC Telphone muting detection input Active level can be selected H or L in PSM Dimmer detector output GND Dimmer detector input L dimmer on POWER SAVE1 L ACC off POWER ON OFF control output H power on Muting output L muting on CD MUTE INPUT L MUTE ON CD RESETCONTROL OUT H RESET ON Maicon powe...

Page 26: ...US2 BUS1 BUS0 2XPLAY RWSEL VSS1 LOAD LD FE MP3DI MP3DO MP3CK MP3RESET MPSSTB Connect to TEMP detecter NC NC NC DACML DACMC DACMD DACCS NC NC NC NC DISCSEL DACSEL NC TEST MODE MP3SEL 8VDET REST SW2 RESET SW1 B DET P DET BUSINT MP3REQ NC VSS0 VDD1 X2 X1 VPP XT2 XT1 VDD0 AVDD IOP KEY0 KEY1 KEY2 KEY3 I O O O O I O O O I I I I I I I O I I I O I I I I I O I O I O I O I O I O I O O I O O O O I O I O I O ...

Page 27: ...switch input terminal CD mechanism SW2 input terminal Riset signal input terminal CD mechanism SW1 input terminal Backup power supply detection input terminal H Stop mode Main power off detection input terminal H HALT mode JVC BUS communication start squeeze input terminal CD MP3 request signal input terminal Connect to GND Connect to 3 3V Oscillator 6MHz Oscillator 6MHz Connect to GND Open Connec...

Page 28: ...8V AJ ILMI GND Output voltage is VCC 1 V when M or H level applied to CTRL pin Output voltage is VCC 1 V when M or H level to CTRL pin and H level to ANT CTRL Connected to ACC Regular 5 7V Output voltage is 5V when M or H level applied to CTRL pin Output for ACC detector L ANT output OFF H ANT output ON Connected to VCC Low battery detect Output voltage is 9V when M or H level applied to CTRL pin ...

Page 29: ...w level X Irrelevant Z Off High impedance State a 3 state input Output C L H H A X L H Y Z H L 1 2 3 4 5 6 7 1C 1A 1Y 2C 2A 2Y GND VU 4C 4A 4Y 3C 3A 3Y 14 13 12 11 10 9 8 HD74HC126FP X IC781 Buffer 1 Terminal layout 2 Block diagram 3 Pin function www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 139422...

Page 30: ... X L H Y Z H L H High level L Low level X Irrelevant Z 1 Terminal layout 2 Block diagram 3 Pin function Off Hhigh impedance state of a 3 stage output www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 31: ...T9333U X IC702 Regulator NC 1 GND 2 4 Vcc 3 VOUT Vcc 4 NC 1 3 VOUT 2 GND Pin No 1 2 3 4 Symbol NC GND VOUT Vcc Function Non connect GND terminal Reset signal output terminal Vcc terminal Voltage detect terminal 1 Pin layout 3 Pin function 2 Block diagram www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TE...

Page 32: ...CCP2 VIN4 VIN4G GND H L VIN1_SW H OP AMP_A L OP AMP_B 33k 11k Signal system power supply All outputs ON OFF H ON L OFF MUTE Level shift Level shift Power system GND Signal system power supply 3 3VREG External PTP Tr Power system GND Level shift Level shift 33k 11k 11k 33k 33k 11k www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513...

Page 33: ...3 and CH4 power stage powr supply Input pin for channel 4 Input pin for channel 4 for gain adjustment Input pin for channel 3 Input pin for channel 3 for gain adjustment Input pin for channel 2 Input pin for channel 2 for gain adjustment External PNP transistor base connection 3 3VREG output pin external PNP transistor collector connection Signal system GND Reference voltage application pin Output...

Page 34: ...al 0 3 Power supply terminal Base clock output terminal GND Connects with GND Opening Power supply terminal Crystal connection terminal 12 5MHz Crystal connection terminal 12 5MHz Mode set input terminal pull up H Memory extension mode Enhancing memory output terminal 4 11 Analog power supply terminal Enhancing memory output terminal 12 19 Analog standard power supply terminal connects with GND Au...

Page 35: ...ode data output Cereal Onboard cereal writing data I O terminal Pull up Onboard cereal writing clock input terminal Pull up Tippinabl input for serial communications POWER SAVE 2 Memory power supply OFF detection input Remote control input by codes terminal Key interrupt input Address data separation common mode set terminal H Separation mode Reset input terminal L resets by the input Power supply...

Page 36: ...x0 5 x2 x0 5 x2 PIN SEL APC SW TEB TE BAL TEB TE BAL RFGC AGC Gian VCTRLPIN VCC HiZ GND 50 0 50 12dB 6dB 0dB Normal mode 0dB Normal mode 0dB CD RW mode 12dB APC ON APC ON APC OFF LDO H TA2157FN X IC601 RF amp 2 Block diagram 1 Terminal layout 24 13 1 12 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL...

Page 37: ...cking search system RF signal peak detection output pin AGC FE TE amp gain change pin Reference voltage VRO output pin VRO 1 2VCC When VCC 3 3V Focus error signal generation amp output pin Focus error signal generation amp negative phase input pin Signal amp output pin for track count Combining RFRP signal and TEO signal with TC94A14F FA configures tracking search system RF signal amplitude adjust...

Page 38: ... circuit Ripple Filter Stand by Switch AC CONT2 0 22 F 2200 F 0 022 F 0 22 F AC CONT1 5V ST ON 47 F 0 22 F 0 22 F 22 F Mute 10K 3 3 F OUTLF OUTLF Low Level Mute ON GND OUTLR OUT LR GND TA8273H IC951 Power AMP 1 Block diagram www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892...

Page 39: ...pur for Rear Rch Stand by input Output for Rear Rch Power input Output for Front Rch Power GND Output for Front Rch Ripple filter Front Rch input Rear Rch input Signal GND Rear Lch input Front Lch input Power on time control Output for Front Lch Power GND Output for Front Lch Power input Output for Rear Lch Muting control input Output for Rear Lch Power GND Header of IC www xiaoyu163 com QQ3763151...

Page 40: ...d L R channel clock output pin L for L channel and H for R channel Output polarity can be inverted by command Audio data output pin MSB first or LSB first selectable by command Digital data output pin Outputs up to double speed playback Correction flag output pin When set to H AOUT output cannot be corrected by C2 correction processing Digital 3 3V power supply voltage pin Digital GND pin Sub code...

Page 41: ... amplitude adjustment control signal output pin Tracking balance control signal output pin APC circuit ON OFF signal output pin At laser on high impedance with UHS L H output with UHS H Analog 3 3V power supply voltage pin Feed equalizer output pin Disc equalizer output pin Digital GND pin Digital 3 3V power supply voltage pin Test input pin Normally fixed to L System clock oscillator GND pin Syst...

Page 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 3 YRAM 4k word XRAM 4k word X Bus Y Bus PRAM 256word Program Control PROM 4k 2 2k 10kword 40bit Instruction Decoder Microcom I F Audio I F round limit round limit MAC ALU A0 A1 A2 A3 MX MY MZ AX AY register X0 X1 X2 Y0 Y...

Page 43: ... Lch reference voltage terminal DAC Lch output terminal DAC Rch power supply terminal 2 5V DAC Lch power supply terminal 2 5V DAC Rch output terminal DAC Rch reference voltage terminal DAC Rch GND Test terminal VCO select terminal External SRAM address output 12 terminal External SRAM address output 11 terminal External SRAM address output 10 terminal External SRAM address output 9 terminal Digita...

Page 44: ...t GND for oscillator I O I O I O I O I O O I O I O TC94A02F 005 NC A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I O1 I O2 I O3 Vss 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VDD A15 CS2 WE A13 A8 A9 A11 OE A10 CS1 I O8 I O7 I O6 I O5 I O4 1 Pin layout LP61L1024S 12 X IC653 SRAM DECODER CORE ARRAY CONTROL DATA I O VDD Vss CS2 CS1 OE WE A0 A16 I O1 I O8 2 Block dia...

Page 45: ...h channel 1 Input terminal of input selector switch channel 1 Input terminal of input selector switch channel 1 Differential output terminal Input selector output terminal Volume 1 input terminal Tone output terminal Volume 2 input terminal Fader volume control Rear output terminal Fader volume control Front output terminal Non fader volume output terminal GND terminal Control data input terminal ...

Page 46: ...put output Data input output Q15 Word mode LSB addr Byte mode Ground pin Word byte selction input Address input A15 A14 A13 A12 A11 A10 A9 A8 NC NC WE RESET NC NC RY BY A18 A17 A7 A6 A5 A4 A3 A2 A1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 A16 BYTE GND Q15 A 1 Q7 Q14 Q6 Q13 Q5 Q12 Q4 VCC Q11 Q3 Q10 Q2 Q9 Q1 Q8 Q0 OE GND CE A0 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 ...

Page 47: ...T A INPUT A INPUT V B INPUT B INPUT B OUTPUT V NJM4565V IC132 IC151 IC251 IC572 Dual ope amp 1 Terminal layout Pin function HN58X2416FPI X IC703 EEPROM 1 A0 2 A1 3 A2 4 GND VDD 8 WPIN 7 SCL 6 SDA 5 1 Pin layout 2 Pin function Pin name A0 A1 A2 GND SDA SCL WPIN VDD Function Serial data input output Serial clock input www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 ...

Page 48: ...put Digital ground Digital power 5V Analog power 5V Analog ground Rch common pin of analog output amp Non connection Rch analog voltage output of audio signal Analog ground Analog power 5V Lch analog voltage output of audio signal Non connection Lch common pin of analog output amp Analog ground Analog power 5V Zero data flag Reset Chip select Input format selection Mode control select Mute control...

Page 49: ...CTION 1 GND 2 VIN 3 VOUT 4 NC 5 STB RPM6938 SV4 IC805 Remote sensor Vcc Vcc Comp AGC AMP PD Detector BPF fo trimming circuit I V conversion magnetic shield Rout GND 22k 1 Block diagram www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www x...

Page 50: ...UNIT 10 1 1Chome Ohwatari machi Maebashi city 371 8543 Japan No 49733 200206 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 51: ...erica Contents Block diagram Standard schematic diagrams Printed circuit boards 2 2 2 4 2 6 7 CD ROM No SML200206 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 52: ... MP3RST MP3CK MP3DA REQ STANDBY CDMUTE CDREQ CDRESET PD IO0 IO7 CE OE W XI CD section PICK UP REST SW SW1 SW2 LOADING FEED MOTOR SPINDLE MOTOR IC601 RF AMP IC502 EPROM IC503 JBUS IC681 CD DRIVER IC621 D SERVO DSP IC653 SRAM DE IC501 SUB CPU IC571 D A CONVERTER C IC601 CN701 CN801 IC801 DISP CPU IC802 ROM LCD LCD DRIVER LED D406 D422 D432 D434 D451 D453 IC805 REMOCON KEY S802 S818 EN801 ENCODER www...

Page 53: ...OE WR IC652 MP3 DECORDER CN501 CN601 IC572 CD LPF TU1 FM AM TUNER CN131 J121 CN901 IC901 REGURATOR IC921 DC DC CONVERTOR IC951 POWER AMP SPK BATT Main amp section LINE OUT SUB WOOFER OUT to each block IC111 E VOL IC151 LINE AMP IC251 LINE AMP IC131 ANA SW IC132 LPF IC781 J BUS IC703 EEPROM IC701 MAIN CPU CN902 CD CH www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 ...

Page 54: ...81 R182 R192 R194 R195 R197 R201 R202 R203 R211 R212 R213 R214 R215 R221 R222 R223 R224 R225 R226 R251 R252 R253 R281 R282 R707 R711 R713 R714 R715 R716 R717 R719 R720 R722 R723 R724 R725 R726 R727 R728 R729 R730 R731 R732 R733 R734 R739 R740 R741 R742 R747 R748 R749 R750 R751 R754 R755 R756 R757 R758 R759 R773 R774 R775 R776 R777 R778 R779 R780 R785 R791 R792 R901 R902 R904 R905 R906 R908 R909 R9...

Page 55: ...3 R784 R786 R787 R788 R789 R790 R793 R794 R795 R797 R798 R903 R907 R910 R921 R922 R923 R924 R925 R926 R927 R982 R983 R984 S701 S702 TU1 X51 X701 X702 C924 C925 C715 C716 C717 R999 R998 C801 C802 C805 C806 C807 C808 C809 C810 C811 C812 C813 C814 C815 C816 C817 C818 C819 C820 C821 C822 C823 C824 C826 C827 C828 C829 CN801 CN802 D401 D423 D424 D425 D426 D427 D428 D429 D430 D431 D801 D803 EN801 IC801 I...

Page 56: ...4 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R611 R612 R613 R614 R615 R621 R622 R623 R624 R625 R626 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 S1A www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 1394229651...

Page 57: ...39 R540 R541 R542 R543 R545 R546 R547 R548 R549 R550 R551 R552 R553 R554 R555 R556 R557 R558 R559 R560 R561 R562 R563 R572 R573 R581 R582 R583 R584 R585 R586 R587 R588 R589 R590 R591 R592 R651 R652 R653 R654 R655 R656 R657 R658 R659 R660 R661 R662 R663 R664 R665 R681 R682 R683 R684 R685 R686 R687 X501 X571 RFDC TEB SEL TE FE RFRP RF RFGC RWSEL VREF BUS0 1 2 CCE BUCK 3 X651 R689 VPP CLK SI SO R544 ...

Page 58: ...NIT 10 1 1Chome Ohwatari machi Maebashi city 371 8543 Japan No 49733SCH 200206 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 59: ...arts list Block No MB Electrical parts list Block No 01 03 Packing materials and accessories parts list Block No M3 M5 KD LH2000 3 2 3 5 3 8 3 18 Area suffix J Northern America www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163...

Page 60: ...19 15 24 29 25 30 26 13 10 10 12 12 6 76 74 84 80 78 79 75 81 77 56 54 54 55 83 82 38 53 52 49 46 41 43 44 40 42 37 35 36 45 47 48 39 50 51 57 54 9 9 2 2 2 2 2 63 3 4 5 9 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 61: ... LOCK LEVER R 1 25 VKS5563 001 GEAR 1 26 VKZ4786 002 OIL DAMPER 1 27 FSKW4012 001 T SPRING 1 FOR L LEVER TOP 28 GE40144 001A T SPRING 1 FOR RELEASE LEV 29 VKW5262 001 T SPRING 1 FOR L LEVER R 30 QYSDSF2006M SCREW 1 DAMPER L LEVER 31 VKW5263 002 T SPRING 1 FOR L LEVER L 32 VKZ4777 001 MINI SCREW 1 LOCK LEVER O L 33 FSKW4013 002 T SPRING 1 FOR OPEN LEVER 34 GE40140 001A BLIND 1 35 GE10044 008A FRONT...

Page 62: ...ET 1 67 GE40124 001A REG BRACKET 1 68 QAM0154 001 SUB CABLE 1 69 QYSDST2606Z SCREW 1 REAR BKT REG BK 70 QYSDST2606Z SCREW 1 REAR BKT ANT JA 71 QYSDST2606Z SCREW 1 REAR BKT CD IN 72 QYSDSF2606Z SCREW 1 REAR BKT PIN JA 73 QYSDST2606Z SCREW 2 REAR BKT 16PIN 74 QLD0232 001 LCD MODULE 1 75 LV42850 001A LCD LENS 1 76 LV33403 003A LCD CASE 1 77 LV33404 001A LIGHTING CASE 1 78 LV42884 001A LCD FILTER 1 79...

Page 63: ...11 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 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com ...

Page 64: ...RM SPG 1 31 30320526T SELECT L ARM SP 1 32 30320527T SUSPENSION SPG 2 33 30320529T SELECT ARM R 1 34 30320530T LINK PLATE 1 35 30320531T LINK PLATE SPG 1 36 30320523T CUSHION F 1 37 30320524T CUSHION R 2 38 30320528T SUSPENSION SPGL 2 61 69011614T PICKUP OPT 725 1 62 64180406T DET SW ESE22 1 ESE22MH56 71 303210302T CONN PWB ASS Y 1 MP3 CONN 72 30321002T MODE SW 1 MMS000690ZMB0 73 30321003T LOAD MO...

Page 65: ...0 30321133T LDG ROLLER 2 101 18211223T COLLAR SCREW 1 111 9P0420031T SCREW M2X3 6 TAP 2X3 112 9P0420041T SCREW M2 X 4 2 TAP 2X4 113 9B0320041T SCREW M2 X 4 1 BIND 2X4 114 9C0117183T SCREW 2 SCR M1 7X1 8 115 9C0120203T SCREW 1 SCR M2X2 116 9C0317503T SCREW 1 T SCR M1 5X5 121 9W0130170T PW 3 5X8X0 3 1 122 9W0513060T HL WASHER 1 HLW1 85X5X0 13 123 9W0710070T L WASHER 1 LW3 1X6X0 1 124 9E0100152T E RI...

Page 66: ... 475Z E CAPACITOR 4 7MF 20 25V C 212 QERF1EM 475Z E CAPACITOR 4 7MF 20 25V C 213 QERF1HM 225Z E CAPACITOR 2 2MF 20 50V C 214 QERF1HM 225Z E CAPACITOR 2 2MF 20 50V C 215 QERF1EM 475Z E CAPACITOR 4 7MF 20 25V C 216 QERF1EM 475Z E CAPACITOR 4 7MF 20 25V C 251 QERF1EM 475Z E CAPACITOR 4 7MF 20 25V C 252 QERF1EM 475Z E CAPACITOR 4 7MF 20 25V C 253 QERF0JM 476Z E CAPACITOR 47MF 20 6 3V C 254 NCS31HJ 101...

Page 67: ...73H IC J 1 QNB0100 002 ANT TERMINAL J 121 QNN0490 001 PIN JACK L 1 NQL114K 100X INDUCTOR L 701 NQL114K 470X INDUCTOR L 702 NQL114K 470X INDUCTOR L 753 NQL114K 470X INDUCTOR L 901 QQR0703 001 CHOKE COIL L 921 NQLZ007 151X INDUCTOR Q 1 2SB815 7 X TRANSISTOR Q 2 UN2211 X TRANSISTOR Q 3 2SB815 7 X TRANSISTOR Q 121 2SD1048 6 7 X TRANSISTOR Q 122 2SD1048 6 7 X TRANSISTOR Q 131 UN2211 X TRANSISTOR Q 132 ...

Page 68: ... 282 NRSA63J 101X MG RESISTOR R 301 NRSA63J 102X MG RESISTOR R 302 NRSA63J 102X MG RESISTOR R 303 NRSA63J 473X MG RESISTOR R 304 NRSA63J 473X MG RESISTOR R 708 NRSA63J 821X MG RESISTOR R 709 NRSA63J 473X MG RESISTOR R 710 NRSA63J 106X MG RESISTOR R 711 NRSA63J 103X MG RESISTOR R 713 NRSA63J 102X MG RESISTOR R 714 NRSA63J 104X MG RESISTOR R 715 NRSA63J 102X MG RESISTOR R 716 NRSA63J 102X MG RESISTO...

Page 69: ...ESISTOR R 915 NRSA63J 473X MG RESISTOR R 917 NRSA63J 473X MG RESISTOR R 921 NRSA63J 220X MG RESISTOR R 922 NRSA63J 220X MG RESISTOR R 923 NRSA63J 220X MG RESISTOR R 924 NRSA63J 220X MG RESISTOR R 925 NRSA63J 181X MG RESISTOR R 926 NRSA63D 473X MG RESISTOR R 927 NRSA63D 472X MG RESISTOR R 928 NRSA63D 273X MG RESISTOR R 951 NRSA63J 222X MG RESISTOR R 952 NRSA63J 273X MG RESISTOR R 953 NRSA63J 102X M...

Page 70: ... SML 310LT MN X LED D 422 SML 310LT MN X LED D 423 UDZS6 2B X SI DIODE D 424 UDZS6 2B X SI DIODE D 425 UDZS6 2B X SI DIODE D 426 UDZS6 2B X SI DIODE D 427 UDZS6 2B X SI DIODE D 428 UDZS6 2B X SI DIODE D 429 UDZS6 2B X SI DIODE D 430 UDZS6 2B X SI DIODE D 431 UDZS6 2B X SI DIODE D 433 SML 310LT MN X LED D 434 SML 310LT MN X LED D 451 NSCM315C W LED D 452 NSCM315C W LED D 453 NSCM315C W LED D 801 MA...

Page 71: ...R 812 NRSA63J 331X MG RESISTOR R 813 NRSA63J 331X MG RESISTOR R 814 NRSA63J 331X MG RESISTOR R 815 NRSA63J 331X MG RESISTOR R 816 NRSA63J 331X MG RESISTOR R 817 NRSA63J 331X MG RESISTOR R 818 NRSA63J 331X MG RESISTOR R 819 NRSA63J 331X MG RESISTOR R 820 NRSA63J 331X MG RESISTOR R 821 NRSA63J 822X MG RESISTOR R 822 NRSA63J 102X MG RESISTOR R 823 NRSA63J 331X MG RESISTOR R 824 NRSA63J 104X MG RESIST...

Page 72: ...RESISTOR S 802 NSW0066 001X TACT SWITCH S 803 NSW0066 001X TACT SWITCH S 804 NSW0066 001X TACT SWITCH S 805 NSW0066 001X TACT SWITCH S 806 NSW0066 001X TACT SWITCH S 807 NSW0066 001X TACT SWITCH S 808 NSW0066 001X TACT SWITCH S 809 NSW0066 001X TACT SWITCH S 810 NSW0066 001X TACT SWITCH S 811 NSW0066 001X TACT SWITCH S 812 NSW0066 001X TACT SWITCH S 813 NSW0066 001X TACT SWITCH S 814 NSW0066 001X ...

Page 73: ...3X C CAPACITOR C 625 NCB31HK 103X C CAPACITOR C 626 NCB31HK 272X C CAPACITOR C 627 NCB31HK 103X C CAPACITOR C 628 NEAD0JM 476X E CAPACITOR C 629 NCB31EK 333X C CAPACITOR C 630 NCB31EK 333X C CAPACITOR C 631 NCS31HJ 471X C CAPACITOR C 632 NCS31HJ 471X C CAPACITOR C 633 NCB31CK 473X C CAPACITOR C 634 NCB31CK 473X C CAPACITOR C 635 NCB31CK 473X C CAPACITOR C 636 NCB31CK 473X C CAPACITOR C 637 NCB31CK...

Page 74: ...NRSA63J 101X MG RESISTOR R 543 NRSA63J 0R0X MG RESISTOR R 544 NRSA63J 102X MG RESISTOR R 545 NRSA63J 103X MG RESISTOR R 546 NRSA63J 104X MG RESISTOR R 547 NRSA63J 472X MG RESISTOR R 548 NRSA63J 472X MG RESISTOR R 549 NRSA63J 472X MG RESISTOR R 550 NRSA63J 472X MG RESISTOR R 551 NRSA63J 104X MG RESISTOR R 552 NRSA63J 104X MG RESISTOR R 553 NRSA63J 183X MG RESISTOR R 554 NRSA63J 333X MG RESISTOR R 5...

Page 75: ... R 660 NRSA63J 474X MG RESISTOR R 661 NRSA63J 474X MG RESISTOR R 662 NRSA63J 474X MG RESISTOR R 663 NRSA63J 474X MG RESISTOR R 664 NRSA63J 474X MG RESISTOR R 665 NRSA63J 474X MG RESISTOR R 666 NRSA63J 474X MG RESISTOR R 667 NRSA63J 474X MG RESISTOR R 668 NRSA63J 0R0X MG RESISTOR R 669 NRSA63J 474X MG RESISTOR R 670 NRSA63J 474X MG RESISTOR R 671 NRSA63J 474X MG RESISTOR R 672 NRSA63J 474X MG RESIS...

Page 76: ...7 P5 P7 P1 A3 A6 P2 P4 P3 P8 A1 A2 A8 A7 A20 A14 A19 A18 A15 A16 KIT A9 A13 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 77: ... A 4 BT 51028 1 J REGIST CAR 1 A 5 BT 52006 1 WARRANTY CARD 1 A 6 BT 51029 1 WARRANTY CARD 1 A 7 LVT0770 003B MP3 MANUAL 1 A 8 LVT0928 001A IMPORTANT SHEET 1 A 9 VKZ4027 202 PLUG NUT 1 A 10 VKH4871 001SS MOUNT BOLT 1 A 11 VKZ4328 001 LOCK NUT 1 A 12 WNS5000Z WASHER 1 A 13 GE40130 001A HOOK 2 A 14 RM RK50 REMOCON 1 A 15 LI BATTERY 1 A 16 FSJB3001 30C HARD CASE 1 A 18 GE20126 001A MOUNTING SLEEVE 1 ...

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Summary of Contents for KD-LH2000

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JVC KD-LH2000, Service Manual, Page: 54 / 77

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Summary of Contents for KD-LH2000

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