Manuals / JVC / Car Audio and Video / Car Stereo System

JVC KD-LH401 Removing the front chassis See Figs.7 and, Removing the mechanism control board See

Models: KD-LH401

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3.1.4Removing the front chassis (See Figs.7 and 8)

•Prior to performing the following procedure, remove the front panel assembly, heat sink and top chassis assembly.

(1)From the both sides of the top chassis assembly, remove the two screws E attaching the front chassis.

Top chassis assembly

Front chassis

Fig.7

Top chassis assembly

3.1.5Removing the mechanism control board (See Fig.9)

•Prior to performing the following procedures, remove the front panel assembly, heat sink and top chassis assembly.

(1)Disconnect the card wire from the connector CN601 on the mechanism control board.

(2)Remove the five screws F attaching the mechanism control board.

(3)Release the joints a and b, remove the mechanism control board.

Front chassis

Fig.8

Mechanism control board	CN601

Fig.9

(No.MA063)1-9

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JVC KD-LH401 service manual Removing the front chassis See Figs.7 and, Removing the mechanism control board See

Contents

No.MA063 2004/4 TABLE OF CONTENTSSERVICE MANUAL KD-LH401AUDIO AMPLIFIER SECTION SPECIFICATIONTUNER SECTION CD PLAYER SECTION1.1 Safety Precautions SECTION PRECAUTIONPlease refer to Disassembly method in the text for the pickup unit 1.4 Attention when traverse unit is decomposed1.2 Preventing static electricity 1.2.1 Grounding to prevent damage by static electricityWARNING LABEL REPRODUCTION AND POSITION OF LABELS1.5 Important for laser products 1.CLASS 1 LASER PRODUCT Please use enough caution not to see the beam directly or touch itThis service manual does not describe SPECIFIC SERVICE INSTRUCTIONS SECTION SPECIFIC SERVICE INSTRUCTIONSA B A SECTION DISASSEMBLY3.1.1 Removing the front panel assembly See Fig.1 3.1 Main body sectionReference 3.1.3 Removing the top chassis assembly See Figs.3 to3.1.5 Removing the mechanism control board See Fig.9 3.1.4 Removing the front chassis See Figs.7 andReference 3.1.6 Removing the CD mechanism assembly See Fig.103.1.7 Removing the main board See Figs.11 and Reference3.1.8 Removing the rear bracket See Fig.13 K L K3.1.9 Removing the gear bracket unit See Fig.14 Reference3.1.10 Removing the front board See Figs.15 to Rear cover assembly PJoints a 3.2 CD Mechanism section 3.2.1 Removing the top cover See Figs.1 and3.2.2 Removing the connector board See Figs.3 to 2 Unsolder the DET switch wire if necessary DET switch Connector 3.2.3 Removing the DET switch See Figs.6 andDET switch DET switch wire3.2.4 Removing the chassis unit See Figs.8 and 3.2.5 Removing the clamper assembly See Figs.10 and 3.2.6 Removing the loading / feed motor assembly See Figs.12 and 3.2.8 Reattaching the pickup unit See Figs.14 to 3.2.7 Removing the pickup unit See Figs.14 toPu. shaft holder Feed rack3.2.9 Removing the trigger arm See Figs.19 and 3.2.10 Removing the top plate assembly See Fig.213.2.11 Removing the mode sw. / select lock arm See Figs.22 and Select lockarm spring REFERENCE 3.2.12 Reassembling the mode sw. / select lock arm See Figs.24 toREFERENCE 3.2.13 Removing the select arm R / link plate See Figs.27 and3.2.14 Reattaching the Select arm R / link plate See Figs.29 and REFERENCE3.2.15 Removing the loading roller assembly See Figs.31 to 3.2.16 Removing the loading gear 5, 6 and 7 See Figs.35 and 3.2.17 Removing the gears See Figs.37 to 3.2.18 Removing the turn table / spindle motor See Figs.41 and 4.1 Adjustment method „ Test instruments required for adjustment SECTION ADJUSTMENT„ Standard volume position „ How to connect the extension cable for adjusting5.1 Feed section SECTION TROUBLESHOOTING5.2 Focus section 5.3 Spindle section 5.4 Tracking section5.5 Signal processing section Is RF output Page No.MA0631-33 VICTOR COMPANY OF JAPAN, LIMITED No.MA063Block diagram ContentsStandard schematic diagrams Printed circuit boardsSafety precaution BATTERY Block diagramTU.L TU.R S600 to S617Main amplifier section Standard schematic diagramsSHEET To CN50147K SHEETCD servo control section SHEETTo CN702 SHEET LCD & Key control section SHEETTo CN701 SHEET Main board Printed circuit boardsForward side Reverse sideMecha control board Front boardFront board Mecha control boardM E M O No.MA063SCH VICTOR COMPANY OF JAPAN, LIMITEDPrinted in Japan CD mechanism assembly and parts list Block No.MB Exploded view of general assembly and parts list Block No.M1Electrical parts list Block No.01~03 Packing materials and accessories parts list Block No.M3Block No. M 1 M M Exploded view of general assembly and parts list40 39 20 21 C1 M M Block No. M1MM General AssemblyCD mechanism assembly and parts list TN-2001-1013Block No. M B M M Block No. MBMM CD mechanismElectrical parts list Main boardBlock No Symbol No. Part No Part Name Block No Front boardPart Name Micon control board Block NoROTARY ENCODER Part Name Part Name MEMO Block No Packing materials and accessories parts listBlock No. M3MM Packing and AccessoriesCD-RECEIVER RECEPTEUR CD CD-RECEIVER CD RECEIVERENGLISH DEUTSCH BEDIENUNGSANLEITUNG MANUEL D’INSTRUCTIONS GEBRUIKSAANWIJZINGIMPORTANT FOR LASER PRODUCTS How to reset your unitENGLISH CAUTION on Volume SettingMAINTENANCE CONTENTSSOUND ADJUSTMENTS TROUBLESHOOTINGControl panel LOCATION OF THE BUTTONSIllumination Navigation for easy operations w er t yENGLISH Remote controllerInstalling the battery Preparing the remote controller1. Remove the battery holder 3. Return the battery holderTurning on the power BASIC OPERATIONS3 Adjust the volume 1 Turn on the powerTo drop the volume in a moment Canceling the display demonstrationTo turn off the power PSM settings6 Finish the setting Setting the clock3 Adjust the hour 4 Set the minute ENGLISHListening to the radio RADIO OPERATIONSSearching for a station automatically Auto search ENGLISHENGLISH Searching for a station manually Manual search1 Select the band FM1 - 3, AM 3 Tune in to a station you want while “Manual Search” is flashingWhen an FM stereo broadcast is hard to receive FM station automatic preset SSMStoring stations in memory 2 Start automatic presetManual preset ENGLISH2 Tune in to a station in this example, of 92.5 MHz Selecting a preset station directly Tuning in to a preset stationSelecting a preset station using the preset station list 2 Select the number 1 - 6 for the preset station you wantWhen receiving an AM or non FM RDS Changing the display patternENGLISH stationWhat you can do with RDS RDS OPERATIONSTracing the same programme automatically Network-Tracking Reception To use Network-Tracking Reception5 Finish the setting Using TA Standby ReceptionENGLISH 3 Select “AF-Regn’l” alternative frequency/regionalization receptionTo select your favorite PTY code for PTY Standby Reception Using PTY Standby ReceptionTo set PTY Standby Reception 4 Finish the settingTo store your favorite programme types Searching for your favorite programmeENGLISH 2 Select one of the twenty-nine PTY codes. See pagetype To search for your favorite programmeyou can show the list of your preset PTY ENGLISHSetting the TA volume level Other convenient RDS functions and adjustmentsAutomatic clock adjustment Automatic selection of the station when using the number buttonsPTY codes ENGLISHThe same programme can be received on different frequencies About MP3 and WMA discs DISC OPERATIONSPlaying a disc ENGLISHDisplay indications when inserting an audio To stop play and eject the discWMA or MP3 indicator lights up depending on the first detected track You can eject the disc even when the unit is turned offTo activate ImageLink, follow the procedure below What is ImageLink?ENGLISH ImageLink will not work in the following casesparticular portion on a disc Locating a track or aTo go to the next or previous tracks To go to a track quicklyYou cannot directly select a folder with a number greater than ENGLISHTo select a particular track in a folder, press If the folder does not contain any MP3 or WMA tracks, it is skippedSelecting a track and start playback Selecting a folder and a track using the name listsSelecting a folder and start playback ENGLISHTo play back tracks at random Random Play Selecting the playback modesTo play back tracks repeatedly Repeat Play To cancel random play, select “Random Off” byTo play back only intros Intro Scan Prohibiting disc ejectionTo cancel the prohibition and unlock the disc To cancel intro scan, select “Intro Off” bydisc indicator lights up. When the track title is When the disc title/performer is shown, thethe track indicator lights up indicator appear on the display instead of the folderAdjusting the sound SOUND ADJUSTMENTS2 Make adjustments 1 Select the item you want to adjustTo adjust the input level of each source -Vol Adj Selecting preset sound modes iEQ intelligent equalizerENGLISH 1 Press SEL select onceTo cancel the sound mode, select “FLAT” in Sound modes preset frequency level settingsPreset equalizing values ENGLISH2 Select the sound mode you want to adjust Storing your own sound modes 4 Make adjustments as you like5 Store the adjustment you made 3 Enter the sound adjustment modeView Selecting the display themeMeter ShakeGRAPHIC DISPLAYS Install / Start the programImport the images Retouch and edit the imagesENGLISH Downloading images and animations1 Open the control panel 3 Press M MODE after the disc is detectedYou can assign your own names when editing a CD-R If you want to cancel the procedureIf you want to cancel the procedure ENGLISHENGLISH 12 Finish the download procedure8 Show the name list of the files included in the selected folder 9 Select highlight a file you want to downloadTo delete all the stored files at a time Deleting unwanted filestime,” and “Movie” To delete the files stored for “Opening,”5 To delete the file stored in “Opening,” To delete the stored files for “Picture” one by one3 again ∞ down repeatedlyActivating the downloaded images and animations Activating the graphic screen using either picture or movieActivating the animations stored for opening and ending screens 5 Finish the setting4 Select a file you want 5 Finish the setting 4 Finish the settingTo cancel all graphic displays, select “Off” in step Selecting a still image for graphic display-User PictureOTHER MAIN FUNCTIONS Basic ProcedureChanging the general settings 3 Select the PSM item you want to adjustFactory-preset Preferred Setting Mode PSM itemsENGLISH IndicationsDisplayed only when “DAB AF” is set to “Off.” TA VolumeDisplayed only when DAB tuner is connected Not displayed when the current source is “CD-CH” or “LINE IN.”To 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 external component to use -Ext Input To change the FM tuner selectivity -IF FilterTo select the amplifier gain control -Amp.Gain when the next track starts playing5 Select “From- To” to set the timer for the dimmer mode Selecting the dimmer mode3 Press ¢ or 4 to select “Dimmer.” 6 Set the timer 7 Finish the settingSetting the desired color for each source Changing the display color6 Finish the setting ENGLISH4 Select the user color adjustment screen Creating your own color-User5 Select “Day” or “Night” which you want to make an adjustment for 6 Adjust the selected user colorTo erase the entered characters Assigning names to the sources7 Finish the procedure while the last selected character is flashing ENGLISH1 Press and hold angle until the angle adjustment screen appears Changing the control panel angleENGLISH The control panel angles changes as followsDetaching the control panel Detaching the control panelAttaching the control panel ENGLISHPlaying discs CD CHANGER OPERATIONSENGLISH Select the CD changer CD-CHTo go to a particular disc directly To change the display patternTo fast-forward or reverse the track To go to the next or previous tracksHow to go to the desired track quickly To skip to the next or previous folder only for MP3 discsENGLISH To go to a track quicklyENGLISH Selecting a disc/folder/track using the name lists1 While playing a disc, press and hold 5 up or ∞ down until a disc name list appears on the displayENGLISH Selecting the playback modesTo play back tracks at random Random Play To play back tracks repeatedly Repeat PlayTo cancel intro scan, select “Intro Off” by To cancel repeat play, select “Repeat Off” byTo play back only intros Intro Scan ModeChanging the display pattern EXTERNAL COMPONENT OPERATIONSPlaying an external component 3 Adjust the volume 4 Adjust the sound as you want. See pages 32What is DAB system? Tuning in to an ensemble and one of the servicesDAB TUNER OPERATIONS ENGLISHTo tune in to a particular ensemble without searching When surrounding noises interfere your listening while driving4 Select a service either primary or secondary you want to listen to ENGLISHTo restore the FM/AM tuner Storing DAB services in memory4 Select a service of the ensemble you want to listen to To cancel the DRC effect, select “DRC Off.”Tuning in to a preset DAB serviceSelecting a preset service using the preset service list preset DAB service primary youWhat you can do more with DAB 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 ENGLISHTo use Alternative Reception Searching for your favorite serviceUsing PTY Standby Reception To store your favorite programme service types, see pages 19 and1 TEXT indicator implies the current service received is providing DLS Dynamic Label Segment-DAB radio text information Changing the display patternENGLISH Symptoms TROUBLESHOOTINGENGLISH CausesENGLISH SymptomsCauses RemediesSymptoms Available charactersENGLISH CausesHow to handle discs MAINTENANCETo keep discs clean When playing a CD-R or CD-RWAUDIO AMPLIFIER SECTION SPECIFICATIONSTUNER SECTION CD PLAYER SECTIONRefer to page of How to reset your unit Please reset your unitHaving TROUBLE with operation? Bitte setzen Sie Ihr Gerät zurückINSTALLATION MONTAGE INSTALLATIONINSTALLATIE INBOUW IN KD-LH401FEHLERSUCHE TROUBLESHOOTINGEN CAS DE DIFFICULTES ELECTRICAL CONNECTIONSNEDERLANDS FRANÇAISENGLISH DEUTSCHSubwoofer / Subwoofer / Caisson de grave / Subwoofer Amplifier / Verstärker / Amplificateur / VersterkerCAUTION / VORSICHT / PRECAUTION / LET OP For amplifier only