Pioneer-XCL7-rec-sm 电路图 维修手册.pdf

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1、Service Manual 1. SAFETY INFORMATION . 2 2. EXPLODED VIEWS AND PARTS LIST. 3 3. SCHEMATIC DIAGRAM . 10 4. PCB CONNECTION DIAGRAM. 26 5. PCB PARTS LIST . 38 6. ADJUSTMENT . 43 CONTENTS 7. GENERAL INFORMATION . 50 7.1 PARTS . 50 7.1.1 IC . 50 7.1.2 DISPLAY. 54 7.2 DIAGNOSIS. 55 7.2.1 DISASSEMBLY . 55

2、7.2.2 PCB LOCATIONS . 58 7.3 BLOCK DIAGRAM. 59 8. PANEL FACILITIES AND SPECIFICATIONS . 60 XC-L7 STEREO CD RECEIVER ORDER NO. RRV1946 T - ZZK APR. 1998 Printed in Japan PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE, INC. P.O. Box 176

3、0, Long Beach, CA 90801-1760, U.S.A. PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 501 Orchard Road, #10-00 Lane Crawford Place, Singapore 0923 CCCCC PIONEER ELECTRONIC CORPORATION 1998 THIS MANUAL IS APPLICABLE TO THE FOL

4、LOWING MODEL(S) AND TYPE(S). Type Model XC-L7 Power RequirementRemarks KUXJ/CAAC120V RadioFans.CN 收音机爱 好者资料库 2 XC-L7 1. SAFETY INFORMATION This service manual is intended for qualified service technicians ; it is not meant for the casual do-it- yourselfer. Qualified technicians have the necessary te

5、st equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of

6、this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician. WARNING Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive toxicant which may cause birth defects or other repr

7、oductive harm (California Health n i ptuptuoTSET 6TUOKCOIATX s t uptuodnas t ce l eStuptuored i v i d-ycneuqe r f kco l cre t s aM,1 ,2/1y l now o l ro4/1 7KCQSItup n i kco l ctuodaerOSQS 8OSQSOtuptuol a i rest i b-08QbuS 9SNESOUPCottuptuoSNES 01ATADIUPCmo r f tup n i atadl a i reS 11TALXIegdegn i l

8、 l afehttadeh c t a l s i atadl a i reSUPCmo r f tup n i h c t aL 21KOLCIUPCmo r f tup n i kco l cre f s na r t atadl a i reS 31NIESIPSSmo r f tup n i SNES 41NINCItupn i l ang i stnuocpm u j kcarT 51OTADOPSSottuptuoatadl a i reS 61OTLXOegdegn i l l afehttadeh c t aLPSSottuptuoh c t a l atadl a i reS

9、 71OKLCOPSSottuptuokco l cre f s na r t atadl a i reS 81AOPSI)Atupn i (eca f r et n i dedne t x eretupmocor c i M 91BOPSI)Btupn i (eca f r et n i dedne t x eretupmocor c i M 02COPSI)Ctupn i (eca f r et n i dedne t x eretupmocor c i M 12DOPSI)Dtupn i (eca f r et n i dedne t x eretupmocor c i M 22NOLX

10、O) tuptuo(eca f r et n i dedne t x eretupmocor c i M 32KOFIrecneuqesotuaovresehtdnatuptuoSNESrofdesUtup n i KOsucoF 42DDV)V5+(y l ppusrewoP 52SSVDNG 62NOMOtuptuo l o r t noc f f o/norotome l dn i pS 72PDMO l o r t nocovresrotome l dn i pS 82SDMO 92KCOLO l a ng i shg i ha s t uptuon i ps i ht,hg i h

11、s i SFGnehw ; z H064tade l pmas s i SFG w o l s t uptuon i ps i ht , s e l pmasev i tucesnocthg i ew o l s i SFG f I 03IMWPItupn i l o r t noc l a nre t x erotome l dn i pS 130SET IDNGy l l amron;n i pTSET 231SET 332OCPVOEsserddafoWSCFyb f f o/nodenruTtuptuopmupegrahcLLPMFEdnab-e d i W 431OCPVOLLPMF

12、Ednab-e d i wroftuptuopmupegrahC 53IKCVILLPMFEdnab-e d i wehtroftup n i no i ta l l i cso2OCV 63M61VOLLPMFEdnab-e d i wehtroftuptuono i ta l l i cso2OCV 73LTCVILLPMFEdnab-e d i wehtroftup n i egat l ov l o r t noc2OCV 83OCPOtuptuopmupegrahcLLPre t s aM 93OLIFOtuptuoret l i f)LLP l a t i g i d=eva l

13、s(LLPre t s aM 04ILIFItup n i ret l i fLLPre t s aM 14SSVADNGgo l anA 24VTLCItup n i egat l ov l o r t nocOCVre t s aM 34DDVA)V5+(y l ppusrewopgo l anA 44FRItupn i l ang i sMFE 54SAIBIt i ucr i cy r t emmysaehtfotup n i tne r r uctna t s noC 64IYSAItup n i egat l ovrotarapmocy r t emmysA 74OYSAO)DDV

14、=hg i h,SSV=wo l (tuptuog n i ws- l l ufMFE 84EYSAInot i ucr i cy r t emmysa:hg i h; f fot i ucr i cy r t emmysa:woL 94KCDWOs f2=fkco l cdroWeca f r et n i A/D 05KCRLOs f=ftuptuokco l cRLeca f r et n i A/D 15IKCRLItup n i kco l cRL 25DMCPO) t sr i fBSM , t neme l pmocs ow t ( tuptuoatadl a i reSeca

15、f r et n i A/D 35IDMCPI) t sr i fBSM , t neme l pmocs ow t ( tup n i atadl a i reSeca f r et n i A/D 52 XC-L7 .oNemaNniPO / I no i t cnuF 45KCBOtuptuokco l c t i Beca f r et n i A/D 55IKCBItup n i kco l c t i Beca f r et n i A/D 65SSVDNG 75DDV)V5+(y l ppusrewoP 85POTGOtuptuoPOTG 95FGUXOtuptuoFGUX 06

16、KCPXOtuptuoKCLPX 16SFGOtuptuoSFG 26KCFROtuptuoKCFR 36OP2COtuptuoOP2C 46FORXOtuptuoFOARX 563TNIMOtuptuo3TNM 661TNIMOtuptuo1TNM 760TNIMOtuptuo0TNM 86LSTXIzHM8868.33:hg i h ; z HM4439.61:woLtup n i ro t c e l es l a t s yrC 96TTSFO09dna98sn i proftuptuored i v i d-ycneuqe r f 3/2 07M4COedomW-VACn i tup

17、tuoIKCVded i v i d-ycneuqe r f 4/1tuptuozHM6332.4 17TUODOtuptuotuo l a t i g iD 27HPMEOs i sahpmeon s i erehtnehw l a ng i sw o l adna, s i sahpmesahcs i dkcabya l pehtnehw l a ng i shg i ha s t uptuO 37IHPMEI f f o s i s i sahpme-ednehw l a ng i sw o l adna,no s i s i sahpme-ednehw l a ng i shg i h

18、a s t upnI 47KCFWOtuptuoKCFW 57ROCSOde t c eted s i 1Sro0Scnysedocbusreht i enehw l a ng i shg i ha s t uptuO 67OSBSOtuptuol a i resWotPbuS 77KCXEItup n i kco l ctuodaerOSBS 87SSVDNG 97DDV)V5+(y l ppusrewoP 08MSYSIhg i hnehwev i t cAtup n i etuM 18CNdesutoN 28SSVADNGgo l anA 38DDVA)V5+(y l ppusrewop

19、go l anA 481TUOAOtuptuogo l ana l e nnahc- t feL 581NIAItup n i re i f i l pma l a no i tarepo l e nnahc- t feL 681TUOLOtuptuoENIL l e nnahc- t feL 78SSVADNGgo l anA 88DDVXkco l cre t s amrofy l ppusrewoP 98IATXIn i ps i hta i vkco l cre t s am l a nre t x eehttupnItupn i t i ucr i cno i ta l l i cs

20、o l a t s yrC 09OATXOtuptuot i ucr i cno i ta l l i cso l a t s yrC 19SSVXkco l cre t s amrofDNG 29SSVADNGgo l anA 392TUOLOtuptuoENIL l e nnahc - t h g i R 492NIAItup n i re i f i l pma l a no i tarepo l e nnahc - t h g i R 592TUOAOtuptuogo l ana l e nnahc - t h g i R 69DDVA)V5+(y l ppusrewopgo l an

21、A 79SSVADNGgo l anA 89CNdesutoN 99CNdesutoN 001TSRXIw o l nehwteseRteserme t s yS )setoN . t uptuotneme l pmocs owt, t sr i fBSMna s i DMCP )desae l erwod n i wno i t cetorpcny s : h g i H( . s uta t s no i t cetorpcnysema r f ehtrot i nomotdesu s i POTG .no i t cetorpcnyserofeb l a ng i sehts i t I

22、. l ang i sMFEehtmo r f dev i redcnysema r f ehtrofes l upev i tageneht s i FGUX .ed i cn i octn i opno i t i snar t l ang i sMFEehtdnaKCLPXfoegdegn i l l afehttahtosdeng i sed s i LLPehT . k co l cLLPMFEehtfoesrev n i eht s i KCLPX .h c t amg n i m i t no i t cetorpno i t res n i ehtdnacnysema r f

23、ehtnehwhg i hseogSFG 631foe l cycasah l a ng i ss i hT . y carucca l a t s yrcehth t i wdev i red s i KCFR . ) deeps- l amrongn i rud(s . s uta t s ro r r eatadeht s t neserperOP2C ehtsdeecxeMARK61ehtnehwdetareneg s i FOARX.n i gramret t i jF4 53 XC-L7 7 PD4843B (CD MAIN UNIT : IC6101) SYSTEM CONTRO

24、L UCOM Pin Function .oNkraMemaNniPO / I no i t cnuF.oNkraMemaNniPO / I no i t cnuF 15INA/51POMREHT.SIrot s imreh t - buSroftup n i D/A14RW/56PETUMORIOhcRDCfo t s euqerETUM 26INA/61PXE / J IXE:L, J :Htup n i hc t iwsno i tan i t seD24TIAW/66PETUMOLIOhcLDCfo t s euqerETUM 37INA/71PKLC.SIKCOLCsubme t s

25、 yS34BTSA/76PPMLCXItup n i hc t iwspma l cDC 4ssVAre t r evnocD/AfodnuorG440OT/03PNEPOXItup n i hc t iwsnepoDC 5031P1TAD.SINIATADsubme t s yS541OT/13PDSNIXIhc t iwsed i s n i red i l sDC 6131P0TAD.SOTUOATADsubme t s yS642OT/23PNIOLONIya r t DC 71FERVAA/Dfotup n i egat l ovecnerefeR741IT/33PTUOOLOTUO

26、ya r t DC 82IS/07PECLFOECrev i rdLF842IT/43PWOPDCXOdesutoN 92OS/17PATADLFOATADrev i rdLF94LCP/53PTNOCPSOl o r t nocya l errekaepS 012KCS/27PKLCLFOKCOLCrev i rdLF05ZUB/63PNOWOPXOFFO/NOREWOP 111IS/02POSQSI)Q9252DXC(OSQSDC1573PWOPLFOFFO/NOREWOPLF 211OS/12PTADDCO)Q9252DXC(ATADDC250PTR/021PVRDNAFOWOL / I

27、 H l o r t nocnaF 311KCS/22PKLCDCO)Q9252DXC(KCOLCDC351PTR/121POdesutoN 41BTS/32PWS.P.HIhc t iwsenohpdaeH452PTR/221PUTSETIEDOMTSETrekcehct i nU 51YSUB/42PQER.DOSCatadya l p s i D553PTR/321PETUMXTOTNUOCFI/ETUMRENUT 610IS/52PTAD.DIATADatadya l p s i D654PTR/421P.O.DXTI )DM13127CL(TUOATADRENUT - t c e l

28、 erofrez i sehtnysycneuqe r f LLP( )gn i nutc i nor 710OS/62POdesutoN755PTR/521PKLCLLPO )DM13127CL(KCOLCRENUT - t c e l erofrez i sehtnysycneuqe r f LLP( )gn i nutc i nor 810KCS/72PKLC.DIKCOLCatadya l p s i D856PTR/621PIDXTO )DM13127CL(NIATADRENUT - t c e l erofrez i sehtnysycneuqe r f LLP( )gn i nu

29、tc i nor 910DA/04POdesutoN957PTR/721PECLLPOECRENUT 021DA/14POdesutoN06TESERTESERXIrossecorpor c i mfotup n i TESER 122DA/24POdesutoN160PTN I / 00PMERItupn i l o r t nocetomeR 223DA/34POdesutoN261PTN I / 10PESLUPCAItup n i es l upCA 324DA/44POdesutoN362PTN I / 20PROCSIROCSDC 425DA/54PWOPPHO enohpdaeh

30、rofy l ppusrewoP FFO:L,NO:H 463PTN I / 30PKLCSDRIKCOLCCISDR 526DA/64PATADRVOATAD)PF91426M(CIemu l oV564PTN I / 40PATADSDRIATADCISDR 627DA/74PKLCRVOKCOLC)PF91426M(CIemu l oV665PTN I / 50PAQSDRIYTILAUQATADSDR 728A/05PXTDELXO , t uo- s t hg i l :H l o r t nocDELRENUT thg i l :L 766PTN I / 60PQER.SO / I

31、 QERsubme t s yS 829A/15PDCDELXOthg i l :L , t uo- s t hg i l :H l o r t nocDELDC86DDVDDVy l ppusrewopev i t i soP 9201A/25PLETUMDCO)hcL(tuptuogo l anaDCfo l o r t nocetuM962X2X me t s ys-n i amrofno i t cennoc l a t s yrC no i ta l l i csokco l c 0311A/35PRETUMDCO)hcR(tuptuogo l anaDCfo l o r t noc

32、etuM071X1XI 1321A/45PALDCXO)Q9252DXC(HCTALDC17CICI 2331A/55PSFGI)Q9252DXC(tup n i SFGDC272TX2TX 33SSVdnuorG3770P/1TXEDOMTSETXIedom t s eT 4341A/65PNESDCI)Q9252DXC(tup n i ESNESDC47DDVADDVAy l ppusrewoP 5351A/75PTUHSDCO FFO/NOLATXDC NOLATX:L,FFOLATX:H 57OFERVAOFERVAIA/Dfotup n i egat l ovecnerefeR 63

33、06PETUMXO ETUMme t s yS NOETUM:L,FFOETUM:H 670INA/01P1YEKI) t i nun i am(tup n i YEK 7316PNODLXONO:L,FFO:HFFO/NOedo i dres a l DC771INA/11POdesutoN 8326PWOPCTXO FFO/NOy l ppusrewopEPAT NO:L,FFO:H 872INA/21P3YEKI)ya l ps i d(tup n i YEK 9336PMFSDRXOFFO/NOy l ppusrewopCISDR973INA/31PENUT/TSIDENUT/OERE

34、TS 04DR/46PSERDCO)Q9252DXC(TESERDC084INA/41POMREHTMI)M(tup n i rot s imrehT 54 XC-L7 Grid Assignment and Pin Assignment FL DISPLAY AAV7051 (CD FLDP UNIT : V5701) Pin Connection Anode Connection 108 1 55 54 7.1.2 DISPLAY 55 XC-L7 7.2 DIAGNOSIS 7.2.1 DISASSEMBLY (1) BONNET AND TOP PANEL Disassembly :

35、Assembly : 3 Bonnet Top Panel Bottom view Unhook FFC (Lead Card 5P) 1 1 1 3 6 5 4 2 23456 654321 56 XC-L7 (2) CD MAIN UNIT, POWER AF UNIT AND FM/AM TUNER MODULE Disassembly : Assembly : 2 2 3 CN3501 CD MAIN Unit FM/AM Tuner Module FM/AM Tuner Module CD Main Unit Top Barrier POWER AF Unit POWER AF Un

36、it 1 1 5 6 4 2 7 3 234567 7654321 57 XC-L7 4 (3) SINGLE MECHANISM ASSY AND POWER AMP UNIT 5 Rear Panel Single Mechanism Assy POWER AMP Unit POWER AMP Unit Disassembly : Assembly : 1 1 3 4 8 8 ,12,56 ,34 ,78 2 2 34567 8765432 6 6 6 5 6 7 8 1 Discharge C13, C14, C31 and C32 with several ohms. (Microfu

37、se and so on will be damaged when short-circuit the circuit before discharge.) It is possible to diagnose each PCB Unit in this state. 58 XC-L7 7.2.2 PCB LOCATIONS CD KEYB1 UNIT POWER AF UNIT CD MAIN UNIT POWER TRANS UNIT CD DPKEY UNIT CD CNB UNIT DU-L7 XC-L7 CD FLDP UNIT POWER SPTB UNIT POWER HP UN

38、IT CD KEYB2 UNIT MECHANISM BOARD ASSY POWER AMP UNIT FM/AM TUNER MODULE 59 XC-L7 7.3 BLOCK DIAGRAM POWER SUPPLY BLOCK MAIN BLOCK CD + TX + AUXIN PB IN CN6901 System Cable No Connection E+5.6 REC OUT Power Supply for TC System BUS 35 34 33 3640 261 15 3 1 2 5 15 14 13 12 11 10 9 8 13 19 13 7 11 9 1-6

39、 1,42 TONE + Woofer Level VR IC3011 (M62419FP) Function Vol IC Other CH +12V+B B12V Tracking Reg. Q53 D11 D31 IC53 IC6101 Q62 LPF HPAMP L+RIC3201 (1/2) IC3201 (2/2) HPF IC3071 CD MAIN UNIT IC3301 RY3331 CN3841 SATELITE SPEAKER IC3501 Q3391 Q3531 Power Amp IC3401 RY3431 CN3842 JA3501 SUB WOOFER HEAD

40、PHONE Power Amp TC+ TC UCOM E+5.6 UNREG FLAC IC31 (NJM78M56FA) CD+5 Q73 Q23 + + UNREG+ + + 30V VFDP T1 POWER TRANSFORMER CN1L1FU1 AC INLET AC POWER CORD Pickup Assy FM/AM Tuner Module IC1101 (CXA1372BQ) Servo Controller IC1201 (LA6517) IC1202 (LA6520) Drive Amp. IC1301 (CXD2529Q) Decoder IC6101 (PD4

41、843B) CPU M Focus, Tracking Spindle, Carriage, Loading CD MAIN UNIT CD CNB UNIT CD FLDP UNIT CD DPKEY UNIT IC5701 (LC75712E) FL Driver V5701 (AAV7051) FL TUBE Key Button Key Button CD KEYB1 UNIT Key Button CD KEYB2 UNIT Key Button CD AUDIO SIGNAL CD TX AUX IN TX AUDIO SIGNAL AUX AUDIO SIGNAL AMP AUD

42、IO SIGNAL DIGITAL OUT POWER AF UNIT POWER AMP UNIT Power Supply 71 86 60 XC-L7 8. PANEL FACILITIES AND SPECIFICATIONS PANEL FACILITIES STEREO CD RECEIVER XC-L7 DISPLAY UNIT DU-L7 DISPLAY UNIT DU-L7 1 CHARACTER/Timer button 2 MENU button 3 4 ? SET FM/AM/STATION 3 buttons Roles of common operation but

43、tons vary depending on the input function currently selected. 4 CANCEL/Stop button 5 REMOTE SENSOR 6 VOLUME (UP), (DOWN) buttons 7 FUNCTION button 8 POWER STANDBY/ON switch DISPLAY SECTION 9 Lights when station is tuned. 0 Lights when receiving a stereo broadcast. - Shows station frequencies and mai

44、n operating conditions. = Lights during monaural mode. Lights during setting and operation of the sleep timer. ! Lights during wake-up timer setting mode; flashes during operation. Lights during setting and operation of the wake-up timer. STEREO CD RECEIVER XC-L7 1 POWER, STANDBY/ON switch 2 FM/AM/s

45、tation button 3 Tuner indicator 4 CD tray 5 4 1? button 6 ? ? button Roles of common operation buttons vary depending on the input function currently selected, as follows: During Tuner Operation 4 1? :Frequency and station (down) button. ? ? : Frequency and station + (up) button. During CD Operation

46、 4 1? :Fast reverse/track search button. ? ? : Fast forward/track search button. 7 Playback indicator 8 CD Play/Pause button 9 CD tray Open/Close button (0) 0 CD stop button (7). - PHONES jack For use with headphones equipped with a stereo miniplug. When headphones are connected, sound to the speake

47、rs is disabled. D 4? ? 7 0 ? 6 ? ? STANDBY/ON ? 1? PHONES 1 2 3456 ? 7 8 9 0- CHARACTERMENUCANCELSET FM/AM/STATION 7? ? 4?3 1 2 3 4 61 XC-L7 STANDBY/ONVOLUME REMOTE SENSOR D FUNCTION (PLAY) 5 678 DISPLAY UNIT DU-L7: Roles of common operation buttons vary depending on the input function currently selected, as follows: During Tuner Operation : Frequency and station (down) button. : Frequency and station + (up) button. : FM/AM/STATION button. During CD Operation : Reverse track search button. : Forward track search button. : Play/Pause button