JVC Official Manual and Circuit Board Details for LH401 Car Stereo System

Page 41

Printed circuit boards

Main board

 

Main board

 

Forward side

Reverse side

CN901

R983 L961

R978

D961

CN251

 

PP1

CN141

PP6

L1

J321

C3

Q331

 

Q321

 

 

Q351

 

Q341

D341

D331

R323

D321

D351

 

 

 

 

 

J1

TU1

L1

J1

TU1

J321

D2

D1

C1

CN251

 

 

 

 

C962

 

 

CN141

R142

C261

 

 

 

C262

J801

PP1

 

 

C142

 

 

 

 

 

 

 

C141

 

C151

D961

L961

D854

D853 D851

C312

C307

C184

 

 

 

 

 

 

C165

C163

J801

 

R333

 

C891

 

 

 

C164

 

C183

D892

R893

 

 

 

D891

R882

R262

 

 

 

 

 

 

 

 

R891

Q891

R892

R883

Q881

R881

 

 

 

 

 

C4

R258

R353

C256

R259

R343

Q6

C2

 

C3

PP6

 

C321

 

R10

 

 

C322

C4

 

 

R185

 

D3

 

 

C164

R141

R151

C165

C184

 

 

 

 

 

 

 

 

R312

CN901

C312

C310

R306

C306

IC301

C310

C304

C303

 

R853

 

R852

C852

 

 

 

R305

C992

C991

C994

C993

C995

C996

C997

C998

 

 

 

 

 

 

 

 

 

D992

D991

D994

D993

D995

D996

D997

D998

R309

R308

Q302

D852

Q301

C317

R310

C309

R307

C318C302

C301

C978

C308

C311

R302

R301

R311

C167

 

R261

 

 

 

R271

 

 

 

 

 

 

 

 

R273

R272

 

 

 

 

 

 

 

C881

 

 

 

 

 

 

 

 

 

 

 

C255

 

 

 

 

 

 

 

 

 

 

C259

 

 

 

 

 

 

 

 

 

 

 

 

C166

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C260

D252

D251

 

 

 

 

 

IC271

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C181

C161

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC161

 

 

Q252

 

 

 

R251

R274

C273

C274

R275

C275

C276

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C231

C230

C229

C228

C227

C226

C225

C224

C223

C222

 

 

 

 

C232

C221

C257

C271

IC251

 

 

 

 

 

R8

 

R7

 

 

 

 

 

 

 

R260

 

 

 

C253

 

 

 

 

 

 

 

 

 

Q7

 

 

 

 

 

 

 

 

 

 

 

 

C83

C5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C91

R276

C272

 

 

 

Q81

 

C81

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C252

 

PP5

R253

R254

R257

R93

R83

R92

C93

 

 

 

 

 

 

 

 

C251

 

D253

 

 

 

 

B2

 

C6

 

 

 

 

 

 

 

 

C51

R252

 

 

 

 

 

R52

 

R51

 

C11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R5

R256

 

 

 

 

 

 

R183

 

 

 

 

 

 

 

 

 

 

 

D4

 

R6

 

R255

 

C257

 

 

 

 

 

R9

Q5

C5

 

 

 

 

 

 

 

C82

 

 

 

 

 

 

 

 

 

 

 

 

C92

 

C7

R3

 

 

 

 

 

 

 

 

 

 

 

C81

 

 

C252

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B1

R81

 

R82

C253

C258

 

 

 

 

 

 

C91

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1

 

 

 

Q91

 

 

 

 

 

Q272

 

R2

 

 

 

 

 

 

 

 

 

 

R91

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R341

R342

R352

R351

R321

R322

R332

Q57

 

Q53

C6

R61

PP5

 

 

 

 

 

 

 

 

 

C55

 

 

Q56

C11

 

B3

 

 

C221

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C802 R163

C183 C163

C255

R331

Q271

 

R165

C259

Q251

R263

C161

C167

R186

C166

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R166

 

 

 

 

 

 

C181

 

 

 

 

 

 

 

B101

 

 

 

 

 

 

 

 

 

 

 

 

C232

 

 

 

R171

 

 

 

 

 

 

 

 

C881

R304

R303

B102

R169

R170

C169

R314

 

 

C307

 

 

C302

C314

 

 

 

C318

 

C313

 

 

 

C301

 

 

C978

 

 

C308

C317

 

C311

 

 

 

 

 

C309

R313

 

C305

C316

C315

 

 

 

 

 

 

IC301C320

C319

C909

 

 

C961

C363

C365

C367

C243

C216

C168

R808

R810

R804

R803

R809

 

 

 

R53

 

 

Q51

R55

 

 

R56

R57

C52

C53

 

R58

R54

R11

D5

 

R12

 

C51

C215

R4

 

 

 

C961

R902

 

R904

Q901

R903

C910

 

C361

 

D242

Q241

R246

 

 

D241

 

 

R247

 

 

R245

R244

 

R189

R243

 

 

 

 

 

 

 

 

C182

 

 

R805

IC201

 

C213

C801

 

Q52

C54

 

C9

C8

Q55

 

C10

C216

R60

R59

 

C214

R807

C168

R806

R732

R731

 

C361

R197

C367

B301

B302

C909

C371

IC361

C369

C370

C241

C212

C211

C210

C209

C208

C207

C206

IC801

 

 

 

 

 

 

C205

C204

C203

C202

IC71

C73

C72

Q54

C9

R725

R723

R722

 

R74

C212

R187

R361

R366

R363

Q902

C908

 

 

 

C907

C364

 

 

C905

 

C368

IC901

 

C901

 

 

R190

 

R248

R895

C242

 

C362

 

C162

C895

Q895

 

R242

R241

C244

C245

R802

 

 

PP4

R777

R776

 

 

 

 

 

 

 

 

 

R770

R801

R796

R794

R779

 

R775

 

 

 

 

 

R773

 

IC701

 

 

 

R772

 

 

 

 

 

R771

C201

R767

R769

X71

C74

C71

 

B4

R71

 

R73

 

 

 

C213

B5

 

 

C71

X71

R780

 

C201

R792

R774

PP4

C709

 

 

 

R791

 

R793

R795

 

 

 

 

 

R778

 

 

 

 

 

 

 

 

 

 

R729

C241

 

R184

 

 

 

 

 

 

 

 

 

 

R798

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C244

C242

 

 

 

 

 

 

 

 

 

 

 

 

 

R799

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C245

 

 

 

 

R797

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C182

R182

C162

R188

R164

C369

 

R364

 

 

 

R362

 

 

 

 

 

 

 

C370

 

 

 

 

 

 

 

 

 

 

 

C371

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R367

 

 

 

C366

 

 

 

 

 

 

R976

 

 

 

 

C851

 

 

R198

 

 

 

 

 

 

 

 

 

 

 

R977

 

 

 

 

 

 

 

C362

 

C368

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C908

 

 

 

 

 

Q976

 

R980

R979

 

 

C902

 

 

 

 

 

Q781

 

Q782

 

 

C904

 

C782

 

C783

 

 

 

 

 

 

 

 

C903

 

 

 

 

 

 

D902

 

 

 

 

 

 

D903

 

 

 

 

C382

 

 

R901

R167

C389

C390

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C381

 

 

 

 

 

 

 

R179

 

R180

R168

 

 

 

 

IC381

 

 

 

 

C387

 

 

 

 

 

 

C388

 

 

 

 

C391

 

 

 

C372

 

C701

 

 

 

 

R762

C723

R711

B701

 

 

 

 

 

 

 

 

 

L701

 

CN702

D714

 

CN981

 

 

 

 

 

 

C722

Q707

 

 

 

Q703

 

 

 

C720

 

 

 

Q705

 

 

 

 

 

 

R701

X701

X702

C707

L922

R763

 

L921

R703

R704

R705

R719

R720

R721

R706

 

 

R755

R716

 

R754

 

R753

 

 

R726

C706

IC703

C705

R727

C703

 

IC702

 

 

 

 

C710

L702

 

 

C717

 

 

R768

 

 

R766

 

 

RA701

 

 

R761

 

 

R760

 

 

R756

 

R714

 

 

R749

 

 

R748

R746

R745

 

 

PP3

 

 

R736

R734

R738

 

 

 

 

C75

 

 

 

 

PP2

 

 

 

CN951

 

 

 

 

 

IC951

 

 

 

CN952

 

 

 

 

 

C951

C704

R735

R733

R737

Q951

C75

B952

B951

 

 

 

 

C951

R951

C76

R72

C77

 

CN951

PP2

 

C952

 

C953

CN952

 

R750

R751

R752

R764

IC951

R757

 

R758

 

R759

 

R790

R741

R789

 

R788

 

 

C706

 

R742

 

 

 

 

R709

 

 

 

 

 

 

C701

 

 

 

R702

X1

C702

C714

 

 

 

 

 

C713

 

 

 

 

 

C716

 

 

 

X701

 

C715

 

 

 

 

 

 

 

 

X702

C981

D982

 

 

 

 

 

 

 

R712

 

 

 

 

C718

 

 

CN981

 

 

 

 

 

D981

R785

R724

 

R981

R707

 

R715

R713

D701

R926

R982

 

 

C923

R162

L701

CN702

B901

C907

C901

 

D901

C902

C372

 

 

Q977

 

C781

D782

 

C782

 

C783

D781

 

C382

R178

 

C390

 

R387

 

 

R384

C389

C381

 

C384

R383

C383

R177

R382

R386

 

 

 

C386

 

 

 

C385

C905

C906

IC901

L703

C841

 

D708

D710

D706

D707

D702

D703

D704

D709

D705

 

 

D951

D715

R747

R718

 

 

PP3

R740

D922

 

 

C710

L702

C717

C387

C388

R381

BZ841

 

 

 

C922

 

 

 

 

 

 

 

Q706

 

 

C721

 

D921

 

 

 

 

 

 

Q704

 

 

 

R728

 

 

 

IC921

 

 

 

C921

R927

VR921

 

 

 

 

 

 

 

 

R928

 

 

 

 

 

 

 

 

 

 

 

 

C924

D711

D712

D713

R925

R924

R923

R922

R921

R786

R787

CN701

R717

 

 

 

 

 

 

 

 

 

 

 

Q702

Q701

 

 

 

 

 

 

 

 

 

 

RD VPP

VDD

 

R708

 

R710

C712

C711

 

 

C708

C921

L921

 

 

C922

R730

B703

R800

L703

B704

C391

R739

 

R841

C719

Q841

C841

 

 

 

BZ841

TD

RESET

B702

JP1

 

 

2-5

Image 41
Contents KD-LH401 Specification Section Precaution Handling the traverse unit optical pickup Preventing static electricityGrounding to prevent damage by static electricity Important for laser products Reproduction and Position of LabelsSection Specific Service Instructions Removing the heat sink See Main body section Removing the front panel assembly SeeReference Removing the top chassis assembly See Figs.3 toRemoving the mechanism control board See Removing the front chassis See Figs.7Top chassis Removing the CD mechanism assembly SeeRemoving the main board See Figs.11 FPC guide Removing the rear bracket SeeRemoving the gear bracket unit See Removing the front board See Figs.15 to Rear cover assembly PCD Mechanism section Removing the top cover See Figs.1 Removing the connector board See Figs.3 to DET Removing the DET switch See Figs.6Removing the chassis unit See Figs.8 Removing the clamper assembly See Figs.10 Removing the loading / feed motor assembly See Figs.12 Reattaching the pickup unit See Figs.14 to Removing the pickup unit See Figs.14 toRemoving the trigger arm See Figs.19 Removing the top plate assembly SeeRemoving the mode sw. / select lock arm See Figs.22 Reference Reassembling the mode sw. / select lock arm See Figs.24 toReattaching the Select arm R / link plate See Figs.29 Removing the select arm R / link plate See Figs.27Removing the loading roller assembly See Figs.31 to Removing the loading gear 5, 6 and 7 See Figs.35 Pull out the feed gear Removing the gears See Figs.37 toRemoving the turn table / spindle motor See Figs.41 „ Dummy load „ Standard volume positionTracking section Feed sectionFocus section Spindle section Signal processing section Replacement of laser pickup Maintenance of laser pickupANT No.MA0631-33 Victor Company of JAPAN, Limited CD-ROM No.SML200404 ContentsNo.MA063SCH 2004/4 Safety precaution X571 IC573IC572 IC571Main amplifier section Standard schematic diagramsSN74AHCU04PW-X CD servo control sectionC823 LCD & Key control sectionMain board Printed circuit boardsMecha control board Front boardM O No.MA063SCH Parts List Exploded view of general assembly and parts list Main board C32 General Assembly CD mechanism assembly and parts list CD mechanism Electrical parts list QERF1CM-226Z Capacitor Part Name Description Local R74 NRSA63J-101X Front board TA E Capacitor Micon control board NRSA63J-4R7X MG Resistor Part Name Description Local R685 NRSA63J-682X Memo Packing materials and accessories parts list Packing and Accessories KD-LH401 Important for Laser Products How to reset your unitContents Control panel Location of the ButtonsIllumination Navigation for easy operations Control dial ¢ buttonsRemote controller Remove the battery holder Installing the batteryReturn the battery holder Place the batteryCurrent sound mode iEQ see Adjust the sound as you want. See pages 32Basic Operations Select the sourceTo turn off the power To drop the volume in a momentAdjust the hour Set the minute Setting the clockTo check the clock time when the unit is Set the clock systemListening to the radio Radio OperationsSearching for a station automatically Auto search Start searching for a stationEach time you press Button, the band changes as Follows Searching for a station manually Manual searchWhen an FM stereo broadcast is hard to receive FM station automatic preset SSMStart automatic preset Storing stations in memoryEach time you press the button, the band changes as follows Manual presetTune in to a station in this example, of 92.5 MHz Select the number 1 6 for the preset station you want Selecting a preset station directlySelecting a preset station using the preset station list Changing the display pattern When receiving an AM or non FM RDSStation See the following pagesTo use Network-Tracking Reception RDS OperationsWhat you can do with RDS PTY Stnby standby setting screen Appears on the display Using TA Standby ReceptionTo select your favorite PTY code for PTY Standby Reception Using PTY Standby ReceptionTo set PTY Standby Reception Select one of the twenty-nine PTY codes. SeeTo store your favorite programme types Searching for your favorite programmeTo store your favorite programme types, see To search for your favorite programme typeTo search for your favorite programme Setting the TA volume level Other convenient RDS functions and adjustmentsAutomatic clock adjustment To activate programme search, follow the procedure belowSame programme can be received on different frequencies PTY codesAbout MP3 and WMA discs Disc OperationsPlaying a disc Open the control panelTo stop play and eject the disc Display indications when inserting an audioCD or a CD Text Or a WMA discs To return the control panel to its previousTo activate ImageLink, follow the procedure below What is ImageLink?Particular portion on a disc Locating a track or aTo go to the next or previous tracks To go to a track quickly¢ or 4 after selecting the folder To select a particular track in a folder, pressSelecting a folder and start playback Selecting a track and start playbackSelect the number 1 6 for the folder you want to play Select the number 1 6 for the track you want to playTo play back tracks repeatedly Repeat Play To play back tracks at random Random PlayTo cancel intro scan, select Intro Off by To cancel the prohibition and unlock the discProhibiting disc ejection To play back only intros Intro ScanTag is set to Off While playing an audio CD or a CD Text discCurrent track NumberAdjusting the sound Sound AdjustmentsMake adjustments Select the item you want to adjustTo adjust the input level of each source -Vol Adj Selecting preset sound modes iEQ intelligent equalizerPress SEL select once Available sound modesPress the number button to select the sound mode you want Sound modes preset frequency level settingsTo cancel the sound mode, select Flat To exit from the sound mode selectionSelect the sound mode you want to adjust Storing your own sound modes 4 Make adjustments as you likeStore the adjustment you made Enter the sound adjustment modeMeter ViewShake OffGraphic Displays Install / Start the programImport the images Retouch and edit the imagesPress number button 6 to show the download selection screen Press M Mode after the disc is detectedDownloading images and animations You can assign your own names when editing a CD-R If you want to cancel the procedureIf it is OK, press number button 1 to start downloading Select highlight a file you want to downloadFile name appears, and the unit will Ask you Download OK? AgainTo delete all the stored files at a time Deleting unwanted filesTime, and Movie To delete the files stored for OpeningAgain To delete the stored files for Picture one by oneEx. When you select Opening Activating the graphic screen using either picture or movieGraphics setting screen appears on Display Activating the downloaded images and animationsTo cancel all graphic displays, select Off in step Select a file you want Finish the settingSelect UserMovie, UserSlide, or UserPict Select UserPictAdjust Basic ProcedureOther Main Functions Ex. To change ContrastPreferred Setting Mode PSM items Indications Selectable values/items TA VolumePTY Stnby AF-Regn’lTo show the graphics on the display -Graphics To adjust the display contrast level -ContrastTo select the display illumination pattern -LCD Type To turn the tag display on or off-TagTo select the amplifier gain control -Amp.Gain To change the FM tuner selectivity -IF FilterTo select the external component to use -Ext Input Set the dimmer mode as you like Select the source that you want to Setting the desired color for each sourceSet the display color for Press and hold SEL select for moreOne of the user color adjustment screens appears Select the user color adjustment screenYou can adjust within the range of 00 to Creating your own color-UserAssigning names to the sources When you select a source, the power Automatically comes onTo erase the entered characters Sources Maximum number CharactersControl panel angles changes as follows Changing the control panel angleAttaching the control panel ConnectorsDetaching the control panel Select the CD changer CD-CH CD Changer OperationsPlaying discs To go to a particular disc directly To change the display patternTo fast-forward or reverse the track Selected disc number Current track and elapsed playing timeTo skip to the next or previous folder only for MP3 discs Disc name list Folder name list Track name list Selecting a disc/folder/track using the name listsDisplay can show only six names at a time Selected disc numberFor MP3 discs For CDs For MP3 discs For CDs Mode Active Plays at randomTo cancel repeat play, select Repeat Off by Mode Active Plays repeatedlyMode changes as follows For MP3 discs For CDs Mode ActiveTurn on the connected component and start playing the source External Component OperationsDAB Tuner Operations What is DAB system?Select the DAB tuner Select the DAB band DAB1, DAB2, or DAB3To stop searching before an ensemble is To tune in to a particular ensemble without searchingStart searching for an ensemble To restore the FM/AM tuner Storing DAB services in memoryTo cancel the DRC effect, select DRC Off To select the next service To select the previous serviceSelecting a preset service using the preset service list ServiceWhat you can do more with Using Announcement Standby ReceptionRoad Traffic News Standby Reception TA Standby Reception For Announcement Standby ReceptionHow Announcement Standby Reception works To activate Announcement Standby ReceptionAnnouncement type Travel Programmes about travelWhile receiving a DAB service Searching for your favorite serviceTo use Alternative Reception While receiving an FM RDS stationChanging the display pattern Symptoms Causes Remedies TroubleshootingMP3/WMA track although it has Noise is generated Track played back is not anWma Longer readout time is Readout time varies due toAccented letters Available charactersGraphics CD Changer Upper case Lower caseHandling discs MaintenanceFM Tuner SpecificationsMW Tuner LW TunerZie de pagina met de paragraaf Het apparaat terugstellen Refer to page of How to reset your unitSiehe Seite Zurücksetzen des Geräts Die folgenden Teile werden zusammen mit Und Erdung ausgelegt. Verfügt IhrDiesem Gerät geliefert Nach ihrer Überprüfung, die Teile richtig einsetzenRemarque HinweisFuse blows Sound is distortedAlvorens de verbindingen tot stand te Avant de commencer la connexion VérifiezKD-LH401 Pour l’amplificateur seulementOder KS-U57 *4 KD-LH401
Related manuals
Manual 77 pages 41.92 Kb