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JVC KD-LH401 service manual Block diagram, Tu.L Tu.R, Battery, S600 to S617

Models: KD-LH401

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Block diagram

Block diagram

SW1	SW1
SW1	SW2
SW2


REST	REST

SWITCH

J1

IC573

SCK

X571

ANT

VA,VB

CLOCK GEN.

VE,VF

VOUTL

CD.L-CH

IC572

MD,LD

IC571

VOUTR

CD.R-CH

IC601

VREF

RWSEL,IOP

CD LPF

24bit DAC

CD RF

RFGC	DACML	SDO		CN501	CN702
RF,FE,TE	DACMC
RFRP	DACMD
SEL,TEB	BCK
RFDC	LRCK

TU1

FM/AM

TUNER

DET OUT

IC71	FM/AM	IC201
IC71	PLLDI	EQ

TU.L

TU.R

CD.L

CD.R

ACOUTL

ACOUTR

IC161

ACINL E.VOLUME ACINR

	FL
	FR		IC361
	RL		IC361
	RL		IC381
	RR		IC381
	RR		LINE AMP
			LINE AMP

OUT FL					FL+, FL-
OUT RL					FR+, FR-
OUT FR		IC301			RL+, RL-
OUT RR		POWER			RR+, RR-
		POWER
			AMP

J321

FRONT

LINE OUT

REAR

LINE OUT

CN901	SPK
	BATTERY

LOAD/FEED

MOTOR

SPINDLE MOTOR

LOAD/FEED+ LOAD/FEED-

SPINDLE+ SPINDLE-

REST,SW1,SW2

DATA

BCK

CN601

LRCK

IC652

BUS0 to BUS3

VREF

IC621

BUCK,CCE

MP3 DEC

DSPPST

D.SERVO

& DSP

MP3DA

IC502

MP3CK

	RDS				PLLCK
					PLLDA
					PLLCE
					SM,SQ
		RDSDA			SD/ST	EQCLK
		RDSDA			SEEK	EQDATA
		RDSSCK			AFCK	EQLA
					CF,MRC
CD RESET					CF,MRC
CD RESET
PON,PS2
PON,PS2
CDMUTE,CDREQ
CDMUTE,CDREQ

CH.L

CH.R

LIN.L

LIN.R

	EACH					IC901
	EACH					REGULATOR
SWL	BLOCK					REGULATOR


			IC251
SWR		SUB OUT
		SUB OUT
			AMP

	CN251	SUB
		WOOFER
		OUT
		OUT

PICK UP

FOCUS+

FOCUS- TRACKING+ TRACKING- VA,VB,VE,VF MD,LD

LOAD/FEED+

FMO

EPROM

LOAD/FEED-

SPINDLE+

DMO

MP3DA

SPINDLE-

TRO

TRACKING+

FOO

MP3CK

TRACKING-

MP3STB

MP3RST

CDRESET

FOCUS+

FOCUS-

IC681

CDON

B.DET,P.DET

VREF

LD/FE

IC501

CDMUTE,CDREQ

CD DRIVER

CPU

BUSSO,BUSSI

BUSIO,/BUSIO

IC503

BUSSI/SO

BUSSCK

BUSCLK

J-BUS BUFF

IC701

CONTROLLER

	E2PROMDI
IC703	E2PROM DO
	E2PROM CK
EPROM


IC702	SBRST
RESET		BUSSO
		BUSI/O

	VOLDA	LPF1
	VOLCK	LPF1	IC271
	VOLCK	LPF2
	VOLMUTE	LPF2
			SWITCH
		STEERINGREM.
		STEERINGREM.


	CN961		STEERING
	CN961		REMOTE
			REMOTE


	CN141		LINE IN
	CN141


	J801		CD
	J801

D451,D453

BACK

JS801

IC802

FLASH

IC805

ENCODER

R3

ROM

REMOCON

G3

Q408 to Q413

A0 to A19

B3

Q420 to Q425

VOL1,VOL2

D0 to D7

RE,WE

REM

	BUSCLK
	BUSINT

REMOCON	SI/SO
REMOCON
DISPCK,DISPDA
DISPCE

	IC801	SI/SO
	IC801	SCK
	J-BUS	SCK
	J-BUS
	BUFF

CHANGER

LIGHT

LCD

MODULE

DRIVER

CL1

EXROM,CS1

CN801

CN701

CL2

ROMCNT

DB0 to DB7

CL3

IC801

RST

IC803

CN802

OSC,RES,CS

LCD

RS,WR,RD

RESET

DRIVER

SBRST

LED0 to LED6

KEY0 to KEY2

TRIMLED

KEYIN

KEYDA

D401 to D422

S600 to S617

DISPCE,DISPDA

DISPCK

INDICATOR

KEY

LED

MATRIX

	SBRST	EFD-OUT1
	SBRST	EFD-OUT2
		EFD-OUT2

EFD-IN1

EFD-IN2

EFD-IN3

IC951

MOTOR DRIVER

OUT1

OUT2

CN952 CN951

DOOR

MOTOR

SWITCH

2-1

Image 37

JVC KD-LH401 service manual Block diagram, Tu.L Tu.R, Battery, S600 to S617

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.21Select lock 3.2.11 Removing the mode sw. / select lock arm See Figs.22 andarm 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 SHEETSHEET CD servo control sectionTo CN702 SHEET SHEET LCD & Key control sectionTo CN701 SHEET Main board Printed circuit boardsForward side Reverse sideMecha control board Front boardFront board Mecha control boardM E M O VICTOR COMPANY OF JAPAN, LIMITED No.MA063SCHPrinted 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 AssemblyTN-2001-1013 CD mechanism assembly and parts listBlock No. M B M M Block No. MBMM CD mechanismMain board Electrical parts listBlock No Symbol No. Part No Part Name Block No Front boardPart Name Block No Micon control boardROTARY 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 presetENGLISH Manual preset2 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 buttonsENGLISH PTY codesThe 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 andChanging the display pattern 1 TEXT indicator implies the current service received is providing DLS Dynamic Label Segment-DAB radio text informationENGLISH 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