Aiwa-NSXMT960-cs-sm维修电路原理图.pdf

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1、anuaCDSTEREOSYSTEManuaSERVICENSX-MT960NSX-AVF960ISYSTEMRETrINSX-AVF960(TYPE: LH)CD-CASSEIVERISPEAKERGIf requiringinformationabouttheCDmechanism,seeServiceManualof6ZG-1,MMCodeNo.09-984-249-90T.RadioFans.CN 收音机爱 好者资料库TABLEOFCONTENTSPROTECTIONOFEYESFROMLASERBEAMDURINGSERVICING.3PRECAUTIONTOREPLACEOPTIC

2、ALBLOCK. 3NOTEINBEFORESTARTINGREPAIR. 4SPECIFICATIONS.6ELECTRICALMAINPARTSLIST.7TRANSISTORlLLUSTRATION.13ICBLOCKDIAGRAM-1.14BLOCKDIAGRAM-1(MAIN/FRONT). 15BLOCKDIAGRAM-2(PRO- LOGIC). 17WIRING-1(MAIN: U,LH).19SCHEMATICDIAGRAM 1(MAIN: U) . 21SCHEMATICDIAGRAM-2(MAIN: LH). 24SCHEMATICDIAGRAM-3(TUNER). 27

3、WIRING-2(FRONT).29SCHEMATICDIAGRAM-4(FRONT). 31SCHEMATICDIAGRAM-5(RELAY). 34SCHEMATICDIAGRAM-6(PRO- LOGIC).s. 35WIRING-3(PRO-LOGIC).37WIRING4(JOG/RELAY/KEY). 39WIRING-5(DECK).41WIRING-6(POWER).42ADJUSTMENT1cTUNER/DECK. 43PRACTICALSERVICEFIGURE. 45ICDESCRIPTION.47ICBLOCKDIAGRAM- 2 .48FLGRIDASSIGNMENT

4、&ANODECONNECTION. 53MECHANICALEXPLODEDVIEW1 / 1 . 55MECHANICALPARTSLIST1 / 1 . 57TAPEMECHANISMEXPLODEDVIEW1 / 1 .s.o. 58TAPEMECHANISMPARTSLIST1 / 1 . 60SPRINGAPPLICATIONPOSITION. 61SPEAKERDISASSEMBLYINSTRUCTION. 62SPEAKERPARTSLIST.s.63ACCESSORIES/PACKAGELIST. 64REFERENCENAMELIST.s.652RadioFans.CN 收音

5、机爱 好者资料库PROTECTIONOFEYESFROMLASERBEAMDURINGSERVICINGThissetemployslaser.Therefore,besuretofollowcarefullytheinstructionsbelowwhenservicing,WARNING!WHENSERVICING,DONOTAPPROACHTHELASEREXITWITHTHEEYETOOCLOSELY.INCASEITISNECESSARYTOCONFIRMLASERBEAMEMISSION.BESURETOOBSERVEFROMA DISTANCEOFMORETHAN30cmFROM

6、THESURFACEOFTHEOBJEC-TIVELENSONTHEOPTICALPICK-UPBLOCK.AAWCaution:Invisiblelaserradiationwhenopenandinterlocksdefeatedavoidexposuretobeam.IAdvarsel:UsynligIaserstAlingvedAbning,n&sikkerhedsafbrydereerudeaf funktion.Undguds=ttelseforstrhling.VAROITUS!LaiteenKayttaminenmuullakuintassakayttoohjeessamain

7、itullatavallasaataaaltistaakayt-tajanturvallisuusluokan1ylittavallenakymattomalleIasersateilylle.VARNING!Omapparatenanvandsp/Iannatsattanvadsomspecificerasidennabruksanvising,kananvandarenutsattasforosynlingIaserstrAlning,somoverskridergransenforIaserklass1.PrecautiontoreplaceOpticalblock(KSS-213F)B

8、odyor clotheselectrostaticpotentialcouldruinlaserdiodein theopticalblock.Besureto groundbodyandworkbench,andensureclothesdonottouchthediode.1)Aftertheconnection,removesoldershowninrightfigure.CAUTIONUseof controlsoradjustmentsorperformanceof proce-duresotherthanthosespecifiedhereinmayresultinhazardo

9、usradiationexposure.ATTENTIONLutillisationdecommandes,r6glagesouproceduresautresqueceuxspecifiespeutentralnerunedangereuseexpositionauxradiations.ADVARSELUsynligIaserstAlingvedAbning,m%sikkerhedsafbrydereerudeaf funktion.UndgAudseXtelseforstr%ling.ThisCompactDiscplayerisclassifiedasaCLASS1LASERprodu

10、ct.TheCLASS1 LASERPRODUCTlabelis locatedontherearexterior.PICK-UPkSyP.C.B.r3RadioFans.CN 收音机爱 好者资料库NOTEONBEFORESTARTINGREPAIR1.ForceddischargeofelectrolyticcapacitorofpowersupplyblockWhenrepairis goingto be attemptedin thesetthatusesrelaycircuitin thepowersupplyblock,electricpotentialis keptchargeda

11、crosstheelectrolyticcapacitors(CIOl,102)eventhoughACpowercordisreoved.Ifrepairisattemptedinthiscondition,thesecondarydefectcanoccur.In orderto preventthesecondarytrouble,performthefollowingmeasuresbeforestartingrepairwork.DischargeprocedureIIIRemovetheACpowercord.Connecta dischargingresistorat an en

12、dof leadwirethathasclipsat bothends.Connecttheotherendof theleadwireto metalchassis.Contacttheotherendof thedischargingresistorto thepositive(+)side(+VH)of C 101.(Fortwoseconds)Contactthesameendof thedischargingresistoras steptothenegative(-) side(-VH)of C102in thesameway.(Fortwoseconds)Checkthatvol

13、tageacrossC101andC 102hasdecreasedIIIMAINC.B1 V or lessusinga multimeteror an oscilloscope.66Selecta dischargingresistorreferringto thefollowingtable.Fig-1Chargingvoltage(V)Discharging(Clol,102)Ratedpower(W)Partsnumberresistor(Q)25-48100387-AOO-247-09049-140220587-AOO-232-090Note:Thereferencenumbers

14、(C101,C102)of theelectrolyticcapacitorscanchangedependingon themodels.Besureto checkthereferencenumbersof thechargingcapacitorsonschematicdiagrambeforestartingthedischargingwork.2.CheckitemsbeforeexchangingtheMICROCOMPUTERBesureto checkthefollowingitemsbeforeexchangingtheMICROCOMPUTER.ExchangetheMIC

15、ROCOMPUTERafterconfirmingthattheMICROCOMPUTERis surelydefective.2-1.RegardingtheHOLDterminaloftheMICROCOMPUTERWhentheHOLDterminal(INPUT)of theMICROCOMPUTERis “H,theMICROCOMPUTERis judgedto be operatingcorrectly.Whenthisterminalis “L”,themainpowercannotbe turnedon.Therefore,be sureto checktheterminal

16、voltageoftheHOLDterminalbeforeexchange.WhentheMICROCOMPUTERis notdefective,theHOLDterminalcanalsogo“L”whenthePOWERAMPLIFIERhasanyabnormalitiesthattriggerstheabnormalitydetectioncircuitontheMAINC. B. thatsetstheHOLDterminalto “L”.GGoodornogoodjudgementoftheMICROCOMPUTERTurnontheACmainpower.Confirmtha

17、tthemainpoweris turnedonandtheHOLDterminalof theMICROCOMPUTERkeepsthe“Hlevelornot.WhentheHOLDterminalis “L”level,theabnormalitydetectioncircuitis judgedto be workingcorrectlyandtheMICROCOMPUTERis judgedto be good.(r-. . _._FRONTC.B;MAINC.BIiIn somemodels,it is PIN.Pi-Azl91 CCXJ602MICROCOMPUTERJ_oOVE

18、RLOADDETPOWERAMPPOWERAMPPOWERSUPPLYPINnumberis differentdependinguponmicroprocessor.- .- . .Fig-2-14RadioFans.CN 收音机爱 好者资料库In sucha case,checkalsoif thePOWERAMPLIFIERcircuitor powersupplycircuithasanyabnormalitiesor not.2-2.RegardingresetTherearecasesthatthemachinedoesnotworkcorrectlybecausetheMICRO

19、COMPUTERis notreseteventhoughtheACpowercordis re-inserted,or thesoftwarereset(pressingtheSTOPkey+ POWERkey)is performed.Whentheabovedescribedphenomenonoccurs,it canleadsto wrongjudgementas if theMICROCOMPUTERis defectiveandto exchangetheMICROCOMPUTER.In sucha case,performtheforced-resetbythefollowin

20、gprocedureandcheckgoodornogoodof theMICROCOMPUTER.RemovetheACpowercord.Fig-2-2Shortbothendsof theelectrolyticcapacitorCl13 thatis connectedto VDDof theMICROCOMPUTERwithtweezers.ConnecttheACpowercordagain.If theMICROCOMPUTERreturnsto thenormaloperation,theMICROCOMPUTERis good.Note:Thereferencenumbero

21、r MICROCOMPUTERpinnumberof transistor(Ql10)andelectrolyticcapacitor(C113)canchangedependingon themodels.Besureto checkthereferencenumbersonschematicdiagrambeforestartingthedischargingwork.2-3.Confirmationof solderingstateof MICROCOMPUTERChecksolderingstateof theMICROCOMPUTERin additionto theabovedes

22、cribedprocedures.Besureto exchangetheMICROCOMPUTERaftersurelyconfirmingthatthetroubleis notcausedbypoorsolderingbuttheMICROCOMPUTERitself.RadioFans.CN 收音机爱 好者资料库SPECIFICATIONSTuningrangeUsablesensitivity(lHF)AntennaterminalscMWTunersectionTuningrangeUsablesensitivityAntennaPoweroutputTotalharmonicdi

23、stortionInputsoutputsTrackformatFrequencyresponseSignal-to-noieeratioRecordingsystemHeads87.5MHzto108MHz13.2dBf75ohms(unbalanced)531kHzto1602kHz(9kHzstep)530kHzto1710kHz(1 O kHzstep)350uV/mLoopantennaFrontU:145W+145W(50Hz-20kHz,T.H.D.lessthan1%,6ohms)LH:170W+170W(lkHz,T. H.D.1O%,6 ohms)Rear(surround

24、)U:33W+33W(50Hz-20kHz,T.H.D,lessthanI%,8 ohms)LH:40W+ 40W(lkHz,T.H.D.10YO,8 ohms)CenterU:33W(50HZ-20kHz,T.H.D.lessthan1 Y.,8 ohms)LH:40W(1kHz,T.H.D.10%,8 ohms)U:0.17.(130W,1 kHz,6 ohms,DINAUDIO)LH:0.17.(110W,1 kHz,6 ohms,DINAUDIO/Front)VI DEO/AUX:210mV(adjustable)MD:21OmV(adjustable)MIC1,MIC2: 1.4mV

25、(10kohms)5.1 CHINPUT:FRONT(L,R):400mVREAR(L,R):400mVCENTER:400mVWOOFER:400mVLINEOUT:280mVSUPERWOOFER: IVSPEAKERS:acceptspeakersof6 ohmsormoreSURROUNDSPEAKERS:acceptspeakersof8 ohmsto16ohmsPHONES(stereojack):acceptsheadphonesof32ohmsormore4 tracks,2 channelsstereoCrO,tape:50Hz16000HzNormaltape:50Hz15

26、000Hz60dB(DoblyBNRON,CrOztapepeaklevel)ACbiasDeck1:playbackheadx1Deck2:Recording/Playbackheadx I/eraseheadx1LaserSemiconductorlaser(k=780nm)D-Aconverter1 bitdualSignal-to-noiseratio83dB(1kHz,O dB)Harmonicdistortion0.05%(1kHz,O dB)WowandflutterUnmeasurableCabinettype3 waybassreflex(magneticshieldedty

27、pe)SpeakersWoofer:160mmconetypeTweeter:80mmceramictypeSupertweeter:20mmceramictypeImpedance6 ohmsOutputsoundpressurelevel87dBAfV/mDimensions(Wx H x D)250 x 353x290mmWeight5.5kgcSpeakersystemSX-NF952Cabinettype3 waybassreflex(magneticshieldedtype)SpeakersWoofer:160mmconetypeTweeter:80mmceramictypeSup

28、ertweeter20mmceramictypeImpedance6 ohmsOutputsoundpressurelevel87dBfWlmDimensions(Wx Hx D)250 x 353x290mmWeight5.5kgPowerrequirementU:120VAC,60HZLH:120V/220-230V/240V AC(switchable),50/60HzPowerconsumptionU:200WLH:250WDimensionsofmainunit300 x 357.5x376mmWeight12.8kgGDesignandspecificationsaresubjec

29、ttochangewithoutnotice.GTheword“BBEandthe“BBEsymbol”aretrademarksofBBESound,Inc.UnderlicensefromBBESound,lnc.GManufacturedunderlicensefromDolbyLaboratoriesLicensingCorporation.“DOLBYand“pROLOGIC”aretrademarksofDolbyLaboratoriesLicensingCorporation.6RadioFans.CN 收音机爱 好者资料库ELECTRICALMAINPARTSLISTI Ifc

30、mtunderstandforDesctiptionpleasetindlyreferto”REFERENCENAMELIST”.IREF. NO.PART NO.KANRIDESCRIPTIONNO.IC88-NF3-642-O1O87-NF8-614-O1O87-017-915-08087-A2O-355-O1O87-A20-783-04087-A2O-O83-O1O87-A20-804-04087-070-289-04087-A20-954-04087-017-888-08086-NFZ-655-O1O87-A2O-438-O1O88-NF5-615-04087-A2O-437-O1O8

31、7-020-454-01087-017-726-08087-017-917-08087-A2O-715-O1O87-A2O-853-O1OTRANSISTOR87-A3O-1O7-O7O87-026-263-08089-213-702-01087-A30-087-08087-026-232-08087-A30-075-08087-026-610-08087-A30-076-08087-A30-073-08087-A30-196-08087-A30-071-08087-026-609-08087-A30-086-07087-A30-190-08087-A3O-2O4-O1O87-A3O-2O5-

32、O1O87-A3O-1O6-O7O87-A3O-162-O1O87-A30-072-08087-A3O-137-O1O87-A3O-138-O1O87-A30-074-08087-A30-221-04087-026-226-08087-A3O-1O5-O8O87-A30-084-08089-109-521-08089-327-143-08087-026-463-08087-026-608-08087-A3O-1O8-O1O87-A3O-1O9-O1O87-A3O-1O4-O8ODIODE87-A40-470-08087-017-447-01087-017-654-06087-A40-269-0

33、8087-A40-270-08087-070-274-08087-A40-440-08087-A40-503-08087-A40-345-08087-A40-438-080c- Ic, Lc866560w-5H39IC, SPS-442-1-WIC ,BU4094BCFIC, CKA1553PC-IC,BA7762AFSIC, BA3835SC-IC,NJM2152MIC, BU2092FC- IC, M62445FP-601IC ,NJM4558MDIC, LC72131D(Z)IC, LA1837C-IC,MSM6654A-521GS-KRIc-Ic,M62431FPIC, DN6851C

34、-IC,BU4052BCFC- IC, BU4066BCFIC, M62439SPC-IC,M62463FPC-TR,CMBT5401C-TR,RN141OTR,2sB1370(1.8w)C-FET,2SK2158TR, DTA144WKC-TR,2SA1235FTR, KTC3198GRC-TR,2sc3052FC-TR,RTIN141CTR, 2SC4115SRSC-TR,RTIN144CTR, KTA1266GRC-TR,CSD1306ETR, CC5551TR,2sD2439TR,2SB1588C-TR,CMBT5551FET,2sK2937C-TR,RTIP144CTR,2sD249

35、4TR,2sB1625C-TR,RTIP141CC-TR,DTA114WKCHIP-TR,DTA143EKC-TR,RTIP441CTR, cSB1058BTR,2sA952(0.6w)TR,2sc2714(0.lW)TR,2SA933SC-TR,DTC123JKTR,2SB1626TR,2SD2495C-TR,RT1N441CDIODE,1SS254DIODE,GBU4DLDIODE,GBU6JC-DIODE,MC2836c-DIODE,MC2838DIODE,1N4003SEMZENER,MTZJ7.5AZENER,MTZJ39BZENER,MTZJ1OCZENER,NTZJ4.7AREF

36、. NO.PART NO,KANRIDESCRIPTIONNO.87-A40-004-08087-A4O-274-O1O87-A40-488-08087-070-136-08087-A40-234-08087-A40-002-08087-A4O-392-O1O87-A40-442-08087-A40-348-08087-002-225-010MAINC.BClolC102C103C104C105C106C107C108C109ClloClllC112C113C114C115c116C117c118C119C120C121C122c123c124C125c209C21OC211C212C213c

37、214C215C216C217C218c223c224C229C230C233c234c235c237c238C239C240c243c244C247c248c280C301C302C303C30487-A1O-231-O9O87-A1O-231-O9O87-016-658-09087-016-658-09087-012-368-08087-012-368-08087-012-368-08087-012-368-08087-010-196-08087-010-196-08087-010-196-08087-010-196-08087-010-247-08087-010-385-08087-01

38、0-385-08087-010-247-08087-010-430-08087-010-263-08087-010-260-08087-010-403-08087-012-140-08087-010-263-08087-010-247-08087-010-112-08087-010-235-08087-010-401-08087-010-401-08087-010-183-08087-010-183-08087-010-186-08087-010-186-08087-010-404-08087-010-404-08087-010-913-08087-010-913-08087-010-197-

39、08087-010-197-08087-A1O-516-O8O87-A1O-516-O8O87-010-544-08087-010-544-08087-010-196-08087-012-368-08087-012-368-08087-012-368-08087-012-368-08087-010-322-08087-010-322-08087-012-154-08087-012-186-08087-010-188-08087-010-318-08087-010-318-08087-012-157-08087-012-157-080ZENER,MTZJ16ADIODE,FMB-G16LDIOD

40、E,1ss244ZENER,MTZJ5lBZENER,MTZJ56AZENER,MTZJ5.lCDIODE,1N5818ZENER,MTZJ9.1AZENER,MTZJ3.3ADIODE,DBF4OC-K1OCAP, E3300-80CAP, E3300-80CAP, E4700-35SMGCAP, E4700-35SMGC-CAP,S0.1-50FC-CAP,S0.1-50FC-CAP,S0.1-50FC-CAP,S0.1-50FCHIPCAPACITOR,0.1-25CHIPCAPACITOR,0.1-25CHIPCAPACITOR,0.1-25CHIPCAPACITOR,0.1-25CA

41、P,ELECT1OO-5OVCAP,ELECT220-25VCAP,ELECT22 O-25VCAP,ELECT1OO-5OVCAP,ELECT100-63CAP,ELECT100-1OVCAP,ELECT47-25VCAP,ELECT3.3-50VCAP470PCAP,ELECT100-1OVCAP,ELECT1OO-5OVCAP,ELECT100-16vCAPE470-16SMECAP,ELECT1-50VCAP,ELECT1-50VCAP, CHIP2700PCAP, CHIP2700PCAP, CHIP4700PCAP, CHIP4700PCAP,ELECT4.7-50VCAP,ELE

42、CT4.7-50VCAP, E47-25ASFBPCAP, E47-25ASFBPCAP,CHIP0.01DMCAP,CHIP0.01DMC-CAP,S100P-200JCHC-CAP,S1OOP-2OOJCHCAP,ELECT0.1-50VCAP,ELECTO. 1-50VCHIPCAPACITOR,0.1-25C-CAP,S0.1-50FC-CAP,S0.1-50FC-CAP,S0.1-50TC-CAP,S0.1-50FC-CAP,S1OOP-5OCHC-CAP,S1OOP-5OCHC-CAP,S150P-50CHC-CAP,4700P-50BKCAP, CHIP6800PC-CAP,S4

43、7P-50CHC-CAP,S47P-50CHC-CAP,S330P-50CHC-CAP,S330P-50CHRadioFans.CN 收音机爱 好者资料库REF. NO,PART NO,KANRIDESCRIPTIONREFNO.PART NO,KANRIDESCRIPTIONNO,NO.C305C306C307C311c312C313C314C315C316C317C318C319C320C321C322C324C325C327C328C332C335C336C337C339C340C351C352C354C355C356C357C358C359C360C363C370C371C372C37

44、3C374C375C376C378C381C382c383C384C385C386C401c402C403C404C405c406C407c408C409C41OC411C412C415c416C516C551C552C553c601C602c613C61487-012-145-08087-012-145-08087-010-196-08087-010-198-08087-010-198-08087-010-179-08087-010-179-08087-010-178-08087-010-178-08087-012-142-08087-012-142-08087-012-141-08087-

45、012-141-08087-012-141-08087-012-141-08087-010-260-08087-010-370-08087-010-404-08087-010-404-08087-010-196-08087-010-401-08087-010-401-08087-010-196-08087-010-196-08087-010-196-08087-012-140-08087-012-140-08087-010-175-08087-010-178-08087-010-260-08087-010-197-08087-010-183-08087-010-183-08087-010-18

46、3-08087-A1O-772-O8O87-010-196-08087-010-177-08087-010-177-08087-010-179-08087-010-179-08087-010-545-08087-010-545-08087-010-196-08087-010-197-08087-010-318-08087-010-197-08087-010-402-08087-010-184-08087-010-196-08087-010-405-08087-010-405-08087-010-184-08087-010-184-08087-010-193-08087-010-193-0808

47、7-010-405-08087-010-405-08087-010-380-08087-010-380-08087-010-405-08087-010-112-08087-010-184-08087-010-184-08087-010-196-08087-010-401-08087-010-263-08087-010-380-08087-010-180-08087-010-180-08087-016-081-08087-016-081-080CAP,CHIPS270PCHCAP,CHIPS270PCHCHIPCAPACITOR,0.1-25CAP,CHIP0.022CAP,CHIP0.022C

48、AP, CHIPSB1200PCAP, CHIPSB1200PCHIPCAP1000PCHIPCAP1000PCAP,S0.33-16CAP,S0.33-16CHIP-CAPACITOR,O. 22-16FCHIP-CAPACITOR,O. 22-16FCHIP-CAPACITOR,O .22-16FCHIP-CAPACITOR,O.22-16FCAP,ELECT47-25VCAP,E330-6.3SMECAP,ELECT4.7-50VCAP,ELECT4.7-50VCHIPCAPACITOR,0.1-25CAP, ELECT1-50VCAP,ELECT1-50VCHIPCAPACITOR,0

49、.1-25CHIPCAPACITOR,0.1-25CHIPCAPACITOR,0.1-25CAP470PCAP470PCAP560PCHIPCAP1000PCAP,ELECT47-25vCAP,CHIP0.01DMC-CAP,S2700P-50BC-CAP,S2700P-50BC-CAP,S2700P-50BCAP, M5600P-50JCHIPCAPACITOR,0.1-25C-CAP,S820P-50SLC-CAP,S820P-50SLCAP, CHIPSB1200PCAP, CHIPSB1200PCAP,ELECT0.22-50vCAP,ELECT0.22-50vCHIPCAPACITO

50、R,0.1-25CAP,CHIP0.01DMC-CAP,S47P-50CHCAP,CHIP0.01DMCAP,ELECT2.2-50vCHIPCAPACITOR3300P(K)CHIPCAPACITOR,0.1-25CAP,ELECT1O-5OVCAP,ELECT1O-5OVCHIPCAPACITOR3300P(K)CHIPCAPACITOR3300P(K)CHIPCAPACITOR,0.033CHIPCAPACITOR,0.033CAP,ELECT1O-5OVCAP ,ELECT10-5 OVCAP,ELECT47-16vCAP ,ELECT47- 16VCAP,ELECT1O-5OVCAP