Kenwood-RXDV-626-Service-Manual电路原理图.pdf

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1、MINI HiFi COMPONENT SYSTEMRXD-V525/V626/V727/V828SERVICE MANUAL(XD-V525V828) *1999-8/B51-5567-00 (K/K) 40670%In compliance with Federal Regulations, following are repro-ductions of labels on, or inside the product relating to laserproduct safety.*Refer to page 2 if you want to know system configurat

2、ion.Refer to the RXD-652 service manual (B51-5517-00) forDISASSEMBLY FOR REPAIR.KENWOOD-Crop. certifies this equipment conforms to DHHSRegulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.DANGER : Laser radiation when open and interlockdefeated.AVOID DIRECT EXPOSURE TO BEAMPHONESAUTO REVERSEDIRE

3、CT PROGRAM SEARCH SYSTEMAPLAYBREC/PLAYAUTO REVERSEDIRECT PROGRAM SEARCH SYSTEMMENUDISCSKIP0CRPUSHOPENMINI HI-FI COMPONENT SYSTEMXD-552PBCKEY CONTECHOEX.BASSSELECTENTERINPUTDISPLAY/DEMOMIC VOLMIN.MAX.MICBACKBANDTUNING MODE1&CR#REV. MODEREC/ARMTAPE EQ.0CRPUSHOPENABDISC3DISC0CROPENVIRTUAL&1DISC2R D SON

4、/STANDBYSOUNDCONTROLMULTICONTROLDOWNDOWNUPVOLUMECONTROLUPSTANDBYTIMERPRO LOGIC3 STEREOMIC VOL.Knob(K29-7470-14)Front glass *(B10-)Knob(K29-7471-14)Knob(K29-7547-04)Phone jack(E11-0219-05)Phone jack(E11-0280-05)Cassette lid assy(L) *(A53-)Panel assy *(A60-)Knob(K29-7466-04)Cassette lid assy(R) *(A53-

5、)Panel assy(CD)(A29-1067-03)* Refer to parts list on page 55.Unplug the power cord from the power outletthen,while holding the ENTER key depressed,plug the power cord again.CRPlease note that resetting the microcomputer clears thecontents stored in memory and returns it to the conditionwhen it left

6、the factory.Operation to resetThe microcomputer may fall into malfunction (impos-sibility to operate,erroneous display,etc.) when thepower cord is unplugged while power is ON or due toan external factor.In this case,execute the followingprocedure to reset the microcomputer and return it tonormal con

7、dition.ENTERABPOWERECHO KEY KEYVOL UM E D O WNVO LU M E UPMENUSELECT4 CRMULTI CONTROLREMOTE CONTROL UNITRC-V828TUNING CR1 CD 61SOUND CONT.AUTO PBC2 34 5 6LISTEN MODEPAL/NTSC7 8 90 +10 DISC SKIPINPUTEX.BASSBANDTAPE 327RETURNA / BTIME RANDOMSTEP SLOW ON SCREEN MULTIPLEXBACKDIGEST FREEZE RESUMEBACK MUT

8、ETIME SEARCHPREV.REPEATNEXTENTERFM indoor antenna(1)AM loop antenna(1)Speaker cords (2)(A70-1302-05): RC-V828.RXD-V828(A70-1303-05): RC-V727.RXD-V727(A70-1304-05): RC-V626.RXD-V525/V626Battery cover (A09-0399-08)Remote control unit(1)Use to adapt the plug on the power cord tothe shape of the wall ou

9、tlet.(Accessory only for regions where use isnecesary.)AC plug adaptor (1)Batteries (T90-0836-05)(T90-0837-05)(E03-0115-05)(R6/AA)(2)Provided in the speaker package Video cord(1)(E30-1427-05)RXD-V525/V626/V727/V8282CONTENTS / ACCESSORIES / CAUTIONSCONTENTS / ACCESSORIES /CAUTIONS.2EXTERNAL VIEW.3CIR

10、CUIT DESCRIPTION.4ADJUSTMENT.10WIRING DIAGRAM.12PC BOARD.13SCHEMATIC DIAGRAM.24EXPLODED VIEW.51PARTS LIST.55SPECIFICATIONS.67ContentsAccessoriesSYSTEMMAIN UNITDESTINATIONSPEAKERSP CORD PARTS NO.XD-V525RXD-V525MILS-N452E30-5535-05XD-V525RXD-V525VLS-N552E30-5535-05XD-V626RXD-V626MILS-N552E30-5535-05XD

11、-V727RXD-V727MIVLS-N752E30-5535-05E30-5559-05XD-V828RXD-V828MIVLS-N552E30-5535-05CRS-N552E30-5542-05System configurationCautionsRXD-V525/V626/V727/V8283EXTERNAL VIEWMetallic cabinet(A01-3656-01)Cover (F07-1660-01)Lock terminal board(E70-0046-05)Lock terminal board(E20-0321-05)Phono jack(E63-1037-05)

12、Oscillating module(W02-1114-15)Phono jack(E63-1010-05)Slide switch(S62-0077-05)Lock terminal board(E70-0110-05)Lock terminal board(E70-0045-05)Phono jack(E63-0116-05)Slide switch(S62-0077-05)Lock terminal board(E70-0053-05)Illustration is RXD-V828.RXD-V525/V626/V727/V8284BLOCK DIAGRAMR/PERASETONEEX.

13、BASSSOUNDOSCBIASBIASTRAPNR SYSTEMDOLBY BHA12136ABA3126NHA12219NT20.5V/6K1OTHER chS.W. PRE-OUTUSEDH.P.RchLchCchRF AMPLODINGMOTORCD DSPKEYLED CONTROLREMOTE SENSOR(X13)A1TUNER PACKFM75 AMANTB DECK(X28)DECKMECHAIC3IC1Q21,22IC2(X14)IC10CXD2718QM62492FPIC2MD RECMD/DVDRXD-V525/V626/V727IC3CD MECHA(MGC-E900

14、1)DIGITALD. OUT(OPTICAL)VIDEO OUTMAIN u-COM2ch MODE (DEV.1%) SURROUND MODERXD-V525RXD-V626RXD-V727(X07)Q3,4Q1,2B CLASSIC2Q5 Q7IC5IC1(X14)2V/60017.3V/621.9V/610.95V/6RXD-V828 20.5V/624.5V/612.2V/6AMP1.0V/10KOUTPUT400mV/47KINPUT1Vp-p/75PA DECKMICECHOUSEDUSED RXD-V828DRIVERIC4TV ENCODERMPEGDECODERIC12I

15、C9ANALOGRXD-V525/V626/V828MTXMTXSWRchSWLchSLchSRchSLchSRchOFFONMTXSURROUNDOTHER chQ6AMPQ8IC2K1S chAMPA CLASS(X00)AC/DCPROTECTIONL.P.F(X32)(X13)A1IC52,53FLIC51DRIVER DISPLAYFLED1MIC AMP MIC VOL.C/S chPRO-LOGICDOLBYL/R chIC7INPUTOUTPUT12(DEV.10%)(DEV.10%)(DEV.1%)(DEV.1%)FRONT SP.OUTPUTRXD-V525RXD-V626

16、8.5V/8 (DEV.1%)8.9V/8 (DEV.1%)SP. OUTPUTMATRIX SURROUND (MODE)SUPER WOOFERSP. OUTPUTRXD-V72724.5V/6(DEV.10%/60Hz)13.4V/6RXD-V828CENSER SP. OUTPUT(DEV.10%)9.5V/6RXD-V828 (DEV.10%)SURROUND SP. OUTPUT+12VAVRQ4AVRQ6,7-12V-12V+12VAVRIC2+5VAVRIC1+9VRDSCD +9V -BGND+B+40VAVRQ8(X14- ) +5VFL -35VQ2+5.6V AVRu-

17、COMFAST OFFFL ACAMPforPOWERAC INE-VOLTUNERDECKTUNERE-VOLFL IC +5Vu-COMPULL UPK1120V 240V+12VAVRQ4AVRQ3-12V-12V+12VAVRIC2+5VAVRIC1+9VRDSCD +9V-BGND+B-35VAVRQ8FL-REFFL -35VQ2+5.6V AVRu-COMFAST OFFFL ACICforPOWERE-VOLTUNERDECKTUNERE-VOLFL IC +5Vu-COMPULL UPK1120V 240V(M) TYPE ONLY-BVGND+BVD2D15-18D1D3S

18、2S1AC IND2D1D3EXCEPT USED RXD-V828USED RXD-V828IC13Q305,306MPXX32X32K2K2K2K2USED RXD-V727S1(X00-293X-XX) : RXD-V525/V626(M) TYPE ONLYRXD-V525/V626/V727/V828(X00-294X-XX) : RXD-V727/V828CLKPLL-CLKPLL-CEPLL-DOSDSTPLL-DATAS-LEVELDE-EMPHSW/C/S MUTEH.P. DETECTATTMUTEPROTECTIONLATCHDATACLKREADYREC LEVELCO

19、NTR/PLATCHLch-OUT Rch-OUT+12V+12VREC PBAMPAMPOUT(REC=H)INPUT ATT.VOLUMEC/S (RXD-V828)7VDECKCDLch-OUTRch-OUTD. OUTDATAXIN XOUT XCIN XCOUT(10MHz)(32.768KHz)MAIN CLOCKTIMMER CLOCKMUTE-6db ATT.DOLBYIN-6db ATT. MUTE-6db ATT. MUTEC/S chSW chC/S or SWFRONT L/RVOLUMESW (RXD-V727)C/SL/R+IC1IC55RXD-V525/V626/

20、V727/V8285CIRCUIT DESCRIPTIONSECTIONITEMSPOWERSTANDBYVOLUME14BALANCECENTERMUTINGOFFPROTECTIONOFFS.DIRECTOFFSUPER WOOFER3(RXD-V727)DISPLAYMODEAUTOAMPAUTO POWER SAVEOFFMD/DVD INPUTLEVEL-3INPUTSEL.TUNER(LISTEN MODE)DOLBYPROLOGICOFFDOLBY3STEREOOFFDOLBYVIRTUALSURROUNDOFFCENTER SP.EXIST(SMALL)SURROUND SP.

21、EXISTDELAYTIME20msecBANDFMTUNERFREQUENCYLOWESTFREQUENCYAUTO/MONOAUTOP.CH-CHInitial items and back up dataSECTIONITEMSCLOCK0:00(E/T/Q)12:00(OTHERS) PROG. RECORDINGON/OFF TIMER0:00(E/T/Q)12:00(OTHERS) CLOCKPROG.TIMER PLAYON/OFF TIMER0:00(E/T/Q)12:00(OTHERS) PROG.EXECUTIONOFFSLEEPTIMEROFFO.T.T.OFFDIREC

22、TIONFORWARDDECKRVS MODEREVERSE(U MODE)A/BBPLAYMODETRACKAUTO/NTSC/PALAUTOAUTO PBCONDIGESTOFFCD/VCDMEMORYSTOPOFFREPEATOFFRANDAMOFFACTIVE MODESTOPTIMESINGLE: None back upSETTING METHODWhile pressing DISC3 key, plug the AC power cord into the AC power wall outlet.CANCELPush CD STOPkey.CONTENTSDisplay :

23、CD TEST(Then the CD tray open.)Push CD PLAYkey to cycle 03 05.SELF ADJUSTMENT(Push DISC 1 key on STOP)ParameterFLDISPLAY07 EF/FB07 * *08 TG/FG08 * *09 FE/RF09 * *SETTING METHODWhile pressing DECK PLAYkey, plug the AC power cord into the AC power wall outlet.CANCELPush DECK STOPkey.CONTENTSDisplay :

24、DECK TESTMECHASW ON= DISPLAYLIGHTING.LEAF SWA-PACKA-FWDB-FWDB-PACKB-NOR.B-RVSFLDISPLAYMOONPROG1,2O.T.T.AUTOSTANTENNASETTING METHODWhile pressing MENU key, plug the AC power cord into the AC power wall outlet.CANCELPush the other key . ( TUNER mode)DESCRIPTIONOSC OK and SYNCHRO OK : Display OK (1 sec

25、) OSC NG: Display ERR 1 SYNCHRO NG: Display ERR 2FLand LEDs are lighting . STANDBYLED and TIMER LED are flashing in the cycle.SETTING METHODWhile pressing ENTER key, plug the AC power cord into the AC power wall outlet.CONTENTSDisplay : INITIALIZECD mecha, DECK mecha are initialized. The memory is c

26、leared .(Display CD ERR or X ERR:Dont initialize CD or DECK mechanism. )1. TEST MODE1-1 CD TEST MODE1-2 DECK TEST MODE1-3 SUB CLOCK OSCILLATION DIAGNOSIS and FL LED ALL LIGHTING MODE1-4 INITIALIZE MODERXD-V525/V626/V727/V8286CIRCUIT DESCRIPTION18QDECK SYSTEM IC(HA12219NT)2. Main microprocessor M3062

27、2MC-598FP (X13:IC1)2-1 Microprocessor periphery block diagram2-2 Key matrixRXD-V525/V626/V727/V8287CIRCUIT DESCRIPTIONPin No.NameI/OConnectDescription1D-DATAOPDDOLBY DIGITAL IC DATA OUTPUT (CXD2724Q)2D-CLKO-DOLBY DIGITAL IC CLOCK OUTPUT (CXD2724Q)3PLLDATAOPDPLL IC DATA (LC72131)4STIPUSTEREO INPUT5PL

28、LCEOPDPLL IC CE (LC72131) OUTPUT6-IPDNO USE7PLLCLKIPDPLL IC CLOCK (LC72131) OUTPUT8BYTEIVSS 8/16BIT CHANGEOVER9CNVSS-VSS GND10XCIN-TIMER CRYSTAL OSCILLATOR (32.768kHz)11XCOUT-TIMER CRYSTAL OSCILLATOR (32.769kHz)12RESETIPUuCOM RESETH=NORMAL / L=RESET13XOUT-MAIN CLOCK OSCILLATOR 10MHz (CERAMICS)14VSS-

29、VSS GND15XIN-MAIN CLOCK OSCILLATOR 10MHz (CERAMICS)16VCC-VCC+5V17NCIPUNO USE(+5V)18REMIPDREMOCON SIGNAL INPUT19ESS_STIPDTRANSMIT/RECEIVING START OUTPUT FROM ESSHL TRUST ON20ESS_STIPDTRANSMIT/RECEIVING START OUTPUT FROM ESSLH TRUST ON21LEDDT3OPDLED DRIVER IC DATA 3 OUTPUT(BU2090) 22LOSWIPDCD LOAD( TR

30、AY CLOSE ) SW23UNLOSWIPDCD UNLOAD(TRAY OPEN ) SW24RTLOPDCD MOTOR CONTROL OUTPUT(LEFT)25BRKMOPDCD MOTOR CONTROL OUTPUT (BREAK)26CLOSEOPDCD MOTOR CONTROL OUTPUT (CLOSE)27OPENOPDCD MOTOR CONTROL OUTPUT (OPEN)28ESS CLKIPDCLOCK INPUT FROM ESS29ESS DINIPUDATA INPUT FROM ESS30ESS DOOPUDATA OUTPUT TO ESS31F

31、LDATAOPDFL DOT DRIVER DATA OUTPUT(M66004FP) 32CEIPUBACK UP CEH=AC ON / L=AC OFF33FLCLKOPDFL DOT DRIVER CLOCK OUTPUT (M66004FP) 34FLCSOPDFL DOT DRIVER STROBE OUTPUT(M66004FP) 35RTROPDCD MOTOR CONTROL OUTPUT (RIGHT)36TDSWIPUTRAVERSE DOWN SW37TUSWIPUTRAVERSE UP SW38PHTRIPUCD STOP SW39PSSWIPUPOSITION &

32、DISC DETECT SW40-OPD-41FL RESETOPDFL DOT DRIVER RESET OUTPUT (M66004FP) 42DCOFFOPDCD POWER ON/OFF(ESS)H=ON / L=OFF43SDAI/OPUROM CORRECTION DATA I/O44SCKO-ROM CORRECTION CLOCK OUTPUT45-OPDNO USED46CD_5VOPDESS POWER SUPPLY CONTROL(TUNER=OFF)H=OFF / L=ON4749-OPDNO USED50EVCLKOPDSOUND CONTROLLER IC CLOC

33、K OUTPUT(M62492FP) 51EVLATOPDSOUND CONTROLLER IC STROBE OUTPUT(M62492FP) 52EVDATAOPDSOUND CONTROLLER IC DATA OUTPUT(M62492FP) 53,54A-JOG1,2IPUJOG A (SOUND CONTROL) INPUT1,255,56B-JOG1,2IPUJOG B (MULTI CONTROL) INPUT1,257,58ENC1,2IPUVOLUME ENCODER INPUT1,259LEDCLKOPDLED DRIVER IC CLOCK OUTPUT(BU2090)

34、 60,61LEDDT1,2OPDLED DRIVER IC DATA OUTPUT 1,2(BU2090) 2-3 Pin descriptionRXD-V525/V626/V727/V8288CIRCUIT DESCRIPTIONSET TYPETUNER TYPER1VoltCOMPARE LEVELK,PK91k4.51D9hM,Y,X,IM139k3.98BDhM(with SW)M222k3.44A0hTT13k2.8382hE1,E2E8.2k2.2562hQQ4.7k1.628hJJ2.7k1.06Pin No.NameI/OConnectDescription62VCC-VC

35、CPOWER SUPPLY (+5V)63SR-LIMITOPDCENTER/SURROUND (SUPER WOOFER) SP RELAY CONTROLH=ON / L=OFF64VSS-VSS GND65B-PHIPUBDECK SPIN DETECT INPUT66A-PHIPUADECK SPIN DETECT INPUT67A/B2OPDDECK A/B CHANGEOVER CONTROL 168A/B1OPDDECK A/B CHANGEOVER CONTROL 269PLLDOIPUPLL IC DATA INPUT (LC72131)70D-RSTOPUDOLBY DIG

36、ITAL IC RESET OUTPUT (CXD2724Q)71D-REDYIPUDOLBY DIGITAL IC READY INPUT (CXD2724Q)72D-XLATOPDDOLBY DIGITAL IC LAT OUTPUT (CXD2724Q)73HP-DET-INIPUHEAD PHONE INPUTH=OFF / L=ON74BIASOPDBIAS ON/OFF CHANGEOVER CONTROLH=ON / L=OFF75R/POPDR/P CHANGEOVER CONTROLH=REC / L=PLAY76B.SOLOPDBDECK SOLENOID CONTROL7

37、7CPMOPDDECK CAPSTAN MOTOR CONTROL78PSCLKOPDEXPANDER IC CLOCK INPUT (HD74HC166P)79PSINIPDEXPANDER IC DATA OUTPUT (HD74HC166P)80PSLOADOPDEXPANDER IC DATA LOAD OUTPUT (HD74HC166P)81AMUTEOPDAUDIO MUTE82ATTOPD-10dB ATTENUATORL=ON / H-OFF83POWEROPDPOWER RELAY CONTROLH : ON84PROTECTIPDPROTECT DETECT (VOLTA

38、GE DETECT)L=OFF / H=ON85SPRELAYOPDSPEAKER RELAY CONTROLH : ON86STBY-LEDOPDSTANDBY LED CONTROLH=ON / L=OFF87TIMER-LEDOPDTIMER LED CONTROLH=ON / L=OFF88A.SOLOPDADECK SOLENOID CONTROL89SPEANAIPDMUSIC SIGNAL INPUT (A-D)90MODELIPDMODEL DISTINCTION INPUT (A-D)91TYPEIPDTUNER DESTINATION DISTINCTION INPUT (

39、A-D)92DPSSIPDNON-RECORDED SPACES DETECTING INPUT (A-D)93-IPDNO USED94,95KEY3,2IPUA-D KEY INPUT 3,296AVSS-VSS GND97KEY1IPUA-D KEY INPUT 198VREF-A-D INVERTER REFERENCE VOLTAGE INPUT (+5V)99AVCC-VCCA-D INVERTER POWER SUPPLY INPUT (+5V)100SDIPUSD INPUTMODELVOLTCOMPARE LEVEL(XH)XD-V8284.5C4hXD-V7273.380h

40、XD-V6261.73BhXD-V4240.6(Pin 90) Model distinction(Pin 91) Tuner destinationThese models fix the voltage for M,I,V type.RXD-V525/V626/V727/V8289CIRCUIT DESCRIPTION2-4 EXPANDER IC PIN DESCRIPTION(X13:IC14) BU2090FPin No.NameI/OConnectDescription1VSS-GND2DATAIPDDATA INPUT3CLOCKIPDCLOCK INPUT4120/70O-DE

41、CK 120/70us CHANGEOVER5D-R/PO-DECK DOLBY R/P CHANGEOVER6B1/B2O-DECK B1/B2 CHANGEOVER7DOLBYO-DECK DOLBY ON/OFF8NOR/CrO2O-NOR/CrO2 CHANGEOVER9BEAT CANCELO-BEAT CANCEL ON/OFF10-O-NO USED11CD RECO-CD REC CONTROL1215NCO-NO USED16VDD-+5V(X14: IC52) BU2090 (LED ON : LOW ACTIVE)Pin No.NameI/OConnectDescript

42、ion1VSS-GND2DATAIPDDATA INPUT3CLOCKIPDCLOCK INPUT4SOUNDO-SOUND ICON LED ON/OFF5TIMERO-TIMER ICON LED ON/OFF6EX.BASS/SWO-EX. BASS/SW LED ON/OFF7ECHO 1O-ECHO 1 ON/OFF PORT8EMUTEO-ECHO MUTE PORT9DISC3O-DISC3 LED ON/OFF10DISC2O-DISC2 LED ON/OFF11DISC1O-DISC1 LED ON/OFF12MENUO-MENU LED ON/OFF13CD-PGMO-CD

43、 PGM ICON LED ON/OFF14CD-TO-TAPEO-REC OPTIONS ICON LED ON/OFF15TAPE-TO-TAPEO-DUBBING ICON LED16VDD-+5V(X14:IC53) BU2090 (LED ON : LOW ACTIVE)PinNameI/OConnectDescription1VSS-GND2DATAIPDDATA INPUT3CLOCKIPDCLOCK INPUT4KEY CONO-KEY CON LED ON/OFF5-O-NO USED6ECHOO-ECHO LED ON/OFF7SURROUNDO-SURROUND ICON

44、 LED ON/OFF8-O-NO USED9PBCO-PBC LED ON/OFF10-O-NO USED11VIRTUALO-DOLBY VIRTUAL SURROUND LED ON/OFF123 STEREOO-DOLBY 3 STEREO LED ON/OFF13PRO LOGICO-DOLBY PRO LOGIC LED ON/OFF14-O-NO USED15KARAOKEO-KARAOKE LED ON/OFF16VDD-+5VRXD-V525/V626/V727/V82810ADJUSTMENTCD player adjustmentNO.ITEMINPUTSETTINGSO

45、UTPUTSETTINGSCD PLAYERSETTINGSALIGNMENTALIGN FORFIG.NO. 1 :Choose either LASER POWER or LASER CURRENTCHECK. ( Confirm to be satisfied either LASER POWER or LASERCURRENTCHECK.)TESTMODE : While pressing the PLAY/PAUSE key ,plug the power code into the AC power wall output.Insert TESTDISC.1LASERPOWER-S

46、et the sensorsection of theoptical power meteron the pickup lens.Press thePLAY/PAUSE key tocheck that the displayis “03“.-On the power from 0.05to 0.15mW.When thediffraction grating iscorrectly aligned withthe RF level of 0.8Vp-por more.(a)1LASER CURRENTCHECKTest disctype4Set the testerbetween both

47、thecheck land of R8 (10) on the PCB(X32)of the set upper.Press thePLAY/PAUSE key tocheck that the displayis “03“ or “05“.-500200mV(Caution) Connect and remove to the tester for the laser current check at POWER OFF condition. 2FOCUS ERROR(Note) Type 4 disc: SONYYEDS-18 test disc or equivalent. (KTD-02)BIASTest disctype4Connect anoscilloscope asfollows.CH1:RF(CN1:1pin)GND:VC(CN1:4pin)Press thePLAY/PAUSE key .Confirm that thedisplay is “05“.FE BIASVR1Optimum eye pattern(b) (d)(d)