JVC KD-LH401 IC573, X571, IC572, IC571, IC601, 24bit DAC, CN501 CN702, IC71, IC201, IC161, IC301

Page 37

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

Contents KD-LH401 Specification Section Precaution Grounding to prevent damage by static electricity Preventing static electricityHandling the traverse unit optical pickup 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.7Removing the main board See Figs.11 Removing the CD mechanism assembly SeeTop chassis Removing the gear bracket unit See Removing the rear bracket SeeFPC guide 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 positionFocus section Spindle section Feed sectionTracking section Signal processing section Replacement of laser pickup Maintenance of laser pickupANT No.MA0631-33 Victor Company of JAPAN, Limited No.MA063SCH 2004/4 ContentsCD-ROM No.SML200404 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 memoryTune in to a station in this example, of 92.5 MHz Manual presetEach time you press the button, the band changes as follows Selecting a preset station using the preset station list Selecting a preset station directlySelect the number 1 6 for the preset station you want Changing the display pattern When receiving an AM or non FM RDSStation See the following pagesWhat you can do with RDS RDS OperationsTo use Network-Tracking Reception 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 imagesDownloading images and animations Press M Mode after the disc is detectedPress number button 6 to show the download selection screen 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 external component to use -Ext Input To change the FM tuner selectivity -IF FilterTo select the amplifier gain control -Amp.Gain 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 angleDetaching the control panel ConnectorsAttaching the control panel Playing discs CD Changer OperationsSelect the CD changer CD-CH 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 DAB3Start searching for an ensemble To tune in to a particular ensemble without searchingTo stop searching before an ensemble is 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 TunerSiehe Seite Zurücksetzen des Geräts Refer to page of How to reset your unitZie de pagina met de paragraaf Het apparaat terugstellen 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

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