Aiwa-ZL70-cs-sm维修电路原理图.pdf

anuaCOMPACTDISCSTEREOCASSETTERECEIVERKalwaSERVICEZ-L70REVISIONPUBLISHINGSYSTEMCDSPEAKERSTEREOCASSEIVERTURNTABLEZL70CXZL70SX-WZL70PX-E860c ThisServiceManualis the“RevisionPublishing”andreplaces“SimpleManual”(S/MCodeNo.09-991-321 -4T1),GIf requiringinformationaboutthe CDmechanism,see ServiceManualof 6ZG-1(S/MCodeN0.09-984-249-90T).GIf requiringinformationabouttheStereoTumable,seeServiceManualofPX-E860(U)(S/MCodeNo.09-993-322-OR1).RadioFans.CN 收音机爱 好者资料库TABLEOFCONTENTSSPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3ACCESSORIES/ PACKAGELIST.o.3PROTECTIONOFEYESFROMLASERBEAMDURINGSERVICING.4PRECAUTIONTOREPLACEOPTICALBLOCK.4NOTEINBEFORESTARTINGREPAIR.5,6ELECTRICALMAINPARTSLIST.7”11CHIPRESISTORPARTCODE.O., , ,., ,., ,., ., .,.,.12TRANSISTORILLUSTRATION.,.,.,.,.,., ., ., ,., ., ., .,.,.,., . 12BLOCKDIAGRAM-1(MAIN/FRONT). 13,14BLOCKDIAGRAM-2(TUNERSECTION).15,16WIRING-1(MAIN).17,18SCHEMATICDIAGRAM-1(MAiN1/2).o.o.o.o.l9.2lSCHEMATICDIAGRAM-2(FRONT).s.22-24WIRING-2(FRONT).0.0. .! .0.00 . 25,26WIRING-3(PRO).! 00.0. . 27,28SCHEMATICDIAGRAM-3(PRO).o.o .29.3OWIRING-4(TUNER).,.0.31,32SCHEMATICDIAGRAM-4(TUNER).,.,.,.,.33,34SCHEMATICDIAGRAM-5(MAIN2 / 2) . 35,36WIRING-5(DECK). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .o . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37WIRING-6(CDKEY).0. .38SCHEMATICDIAGRAM-6(CDKEY).39WIRING-7(AC).,.0.0.40SCHEMATICDIAGRAM-7(AC).o.o. Q .c.o.o.c.o.oo.o .o.c.o.o.4lSCHEMATICDIAGRAM-8(TUNERFRONTEND)., . 42FLGRID(BJ683GK)ASSIGNMENT& ANODECONNECTION. 43,44ADJUSTMENT.45-47PRACTICALSERVICEFIGURE.,.48ICBLOCKDIAGRAM., ,.,.,.,., , ,., ,., .,.,.,.,.,.,.,.,.49-52IC DESCRIPTION.,.,.,.,.,.53,54MECHANICALEXPLODEDVIEW1 / 1 .55,56MECHANICALPARTSLIST1 / 1 . 57SPRINGAPPLICATIONPOSITION.58TAPEMECHANISMEXPLODEDVIEW1 / 1 .59,60TAPEMECHANISMPARTSLIST1 / 1 .61SPEAKERDISASSEMBLYINSTRUCTION.62SPEAKERPARTSLIST.63REFERENCENAMELIST. .,.,64-2-RadioFans.CN 收音机爱 好者资料库SPECIFICATIONSTuningrangeUsablesensitivity(lHF)AntennaterminalsTuningrangeUeablesensitivityAntennaAmplifiersactiormMid-highfrequencyamplifierpoweroutputTotalharmonicdistortionLowfrequencyamplifierpowaroutputTotalharmonicdistortionInputsOutputaTrackformatFrequencyresponsaSignal-to-noiseratioRecordingsyetsmHaads87.5MHzto 108 MHz13.2dBf75 ohms(unbalanced)530kHz to 1710kHz(10 kHz stap)531kHz to 1602kHz(9 kHz step)350pVlmLoopantenna30 V/ + 30 W (200Hz -20kt+Z,THDlessthan1 %,6ohms)0.15% (15 W, 1 kHz,6ohma)90 W + 90 W (50 Hz -200i-fz,THDlessthan1Ye,6 ohms)0.15Y.(45W, 135 Hz, 6 ohms)VIDEO/AUX310mV (adjustable)PHONO400mV (47 kohms)MICI,MIC2:1.4mV(20 kohms)CD DIGITALOUT(OPTICAL)SPEAKERS:acceptspeakersof6 ohmsor moreSURROUNDSPEAKERSacceptspeakersof 8-16ohmsormorePHONES(stereojack):acceptheadphonesof 32 ohmsor more4 tracks,2 chmnelsstereoCrt32 tape:50 Hz -16000HzNormaltSptX 50Hz-15000Hz50 dB (Crtl,tapepeaklevel,above400Hz)AC biasDeck1:playbackheadx 1Deck2:Recording/Playback/eraseheadx 1ACCESSORIES/ PACKAGELISTLaserSemiconductorlaser(2. =780nm)D-A converter1 bt dualSignal-to-noiseratio65 dB (1 kHz,O dB)Harmonicdistortion0.05%(1kHz,O dB)WowandflutterUnmeasurableSpeakersystemSX-WZL7&CabinattypeSpeakersImpadanceOutputsoundpressurelevelDimensions(W x H x D)WalghtPowerrequirementsPowerconsumptionDimeneloneof mainunit(WxtfxD)Weightof mainunit3 way,built-in subwooferSubwoofe220mm (6 V4in.)conetypeFull range:120mm(43/4in.)conetypeSupertweetec20 mm(W16in.)ceramictype6 ohms89 dBIWlm290 x444x296mm(11/,x 17 /zx11 /4in,)6.6 kg (14 Ibs.16OZ.)120 VAC60HZ180W360 x394.5x387.5mm(14/,x 1551, x 15 lain.)10.5kg(23Ibs.202)GDesignandspecificationsare subjectto changewithoutnotice.c Theword“BBE”andthe“BBEsymbolare trademarksof BBESound,Inc.UnderlicensefromBBESound,lnc.If cantunderstandforDescriptionpleasekindlyreferto”REFERENCENAMELIST”.REF.NO.PART NO.K.4NRIDESCRIPTIONNO.18z-MA3-903-O1OIB, U(ESF)M287-043-115-010ANT, FEEDER FM387-A9O-O3O-O1OANT, LOOP AM-NC C48z-MA1-702-O1ORC ONIT, ZAS12-3-RadioFans.CN 收音机爱 好者资料库PROTECTIONOFEYESFROMLASERBEAMThissetemployslaser.Therefore,besuretofollowcarefullytheinstructionsbelowwhenservicing.WARNING!WHENSERVICING,DONOTAPPROACHTHELASEREXITWITHTHEEYETOOCLOSELY.INCASEITISNECESSARYTOCONFIRMLASERBEAMEMISSION.BESURETOOBSERVEFROMADISTANCEOFMORETHAN30cmFROMTHESURFACEOFTHEOBJECTIVELENSONTHEOPTICALPICK-UPBLOCK.ACaution:Invisiblelaserradiationwhen.1,openandinterlocksdefeatedavoidexpo-msuretobeam.#Advarsel:UsynligIaserst?dingvedAbning,nrsikkerhedsafbrvdereerudeaffunktion.VAROITUS!LaiteenKayttaminenmuullakuintassakayttoohjeessamainit-ullatavallasaattaaaltistaakayt-tajanturvallisuusluokan1ylit-tavallenakymattomalleIasersateilylle.VARNING!Omapparatenanvandspaannatsattanvadsomspecificerasidennabruksanvising,kananvandarenutsattasforosynlingIaserstrAlning,somoverskridergransenforIaserklass1.PrecautiontoreplaceOpticalblock(KSS-213F)rBodyorclotheselectrostaticpotentialcouldruinlaserdiodeintheopticalblock.Besuregroundbodyandworkbench,andusecaretheclothesDURINGSERVICINGCAUTIONUseofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedhereinmayresultinhazardousradi-ationexposure.AITENTIONL.utilisationdecommandes,reglagesouproceduresautresqueceuxspecifiespeutentranerunedangereuseexpositionauxradiations.ADVARSEL!Usynliglaserst&ingvedAbning,nrsikkerhedsafbrydereerudeaffunktion.UndgAudszettelseforstr%ding.ThisCompactDiscplayerisclassifiedasaCLASS1LASERproduct.TheCLASS1LASERPRODUCTlabelislocatedontherearexterior.CLASS1LASERPRODUCTKLASSE1LASERPRODUKTLUOKAN1LASERLAITEKLASS1LASERAPPARATPICK-UPk.s)fP.C.B1)Aftertheconnection,removesoldershowninrightfigure.4RadioFans.CN 收音机爱 好者资料库NOTEONBEFORESTARTINGREPAIR1.Forceddischargeof electrolyticcapacitorof powersupplyblockWhenrepairis goingto beattemptedin thesetthatusesrelaycircuitin thepowersupplyblock,electricpotentialis keptchargedacrosstheelectrolyticcapacitors(C101,102)eventhoughACpowercordis removed.If repairis attemptedin thiscondition,thesecondarydefectcanoccur.In orderto preventthesecondarytrouble,performthefollowingmeasuresbeforestartingrepairwork.DischaraewocedureIII-.RemovetheACpowercord.Connecta dischargingresistorat an endof leadwirethathasclipsat bothends.Connecttheotherendof theleadwireto metalchassis.Contacttheotherendof thedischargingresistorto thepositive(+)side(+VH)of C101.(Fortwoseconds)Contactthesameendof thedischargingresistoras steptothenegative(-) side(-VH)of C102in thesameway.(Fortwoseconds)CheckthatvoltageacrossC101andC102hasdecreasedIIMAINC.B1 V or lessusinga multimeteror an oscilloscope.L1Selecta dischargingresistorreferringto thefollowingtable.Fig-1Chargingvoltage(V)Discharging(Clol,102)Ratedpower(W)Partsnumberresistor(Q)25-48100387-AOO-247-09049-140220587-AOO-232-090Note:Thereferencenumbers(C101,C102)of theelectrolyticcapacitorscanchangedependingonthemodels.Besureto checkthereferencenumbersof thechargingcapacitorsonschematicdiagrambeforestartingthedischargingwork.2.CheckitemsbeforeexchangingtheMICROCOMPUTERBesureto checkthefollowingitemsbeforeexchangingtheMICROCOMPUTER.ExchangetheMICROCOMPUTERafterconfirmingthattheMICROCOMPUTERis surelydefective.2-1.RegardingtheHOLDterminaloftheMICROCOMPUTERWhentheHOLDterminal(INPUT)of theMICROCOMPUTERis “H,theMICROCOMPUTERis judgedto beoperatingcorrectly.Whenthisterminalis “L”,themainpowercannotbeturnedon.Therefore,besureto checktheterminalvoltageoftheHOLDterminalbeforeexchange.WhentheMICROCOMPUTERis notdefective,theHOLDterminalcanalsogo“L”whenthePOWERAMPLIFIERhasanyabnormalitiesthattriggerstheabnormalitydetectioncircuiton theMAINC. B. thatsetstheHOLDterminalto “L”.GGoodorno goodjudgementof theMICROCOMPUTERTurnontheACmainpower.Confirmthatthemainpoweris turnedon andtheHOLDterminalof theMICROCOMPUTERkeepsthe“Hlevelornot.WhentheHOLDterminalis “L”level,theabnormalitydetectioncircuitis judgedto be workingcorrectlyandtheMICROCOMPUTERis judgedto be good.Ir. .-FRONTC.BiMAINC.BIIPIN101CON601In somemodels,it is PIN(JMICROCOMPUTERA-$)OVERLOADDETPOWERAMPPOWERAMPPOWERSUPPLYPINnumberis differentdependinguponmicroprocessor. .Fig-2-15RadioFans.CN 收音机爱 好者资料库In sucha case,checkalsoif thePOWERAMPLIFIERcircuitor powersupplycircuithasanyabnormalitiesor not.2-2.RegardingresetTherearecasesthatthemachinedoesnotworkcorrectlybecausetheMICROCOMPUTERis notreseteventhoughtheACpowercordis re-inserted,or thesoftwarereset(pressingtheSTOPkey+ POWERkey)is performed.Whentheabovedescribedphenomenonoccurs,it canleadsto wrongjudgementas if theMICROCOMPUTERis defectiveandto exchangetheMICROCOMPUTER.In sucha case,performtheforced-resetbythefollowingprocedureandcheckgoodorno goodof theMICROCOMPUTER.RemovetheACpowercord.Fig-2-2Shortbothendsof theelectrolyticcapacitorCl13 thatis connectedto VDDof theMICROCOMPUTERwithtweezers.ConnecttheACpowercordagain.If theMICROCOMPUTERreturnsto thenormaloperation,theMICROCOMPUTERis good.Note:Thereferencermmberor MICROCOMPUTERpinnumberof transistor(Q I 10)andelectrolyticcapacitor(Cl13)canchangedependingon themodels.Besureto checkthereferencenumbersonschematicdiagrambeforestartingthedkchargingwork.2-3.ConfirmationofsolderingstateofMICROCOMPUTERCheckthesolderingstateof theMICROCOMPUTERin additionto theabovedescribedprocedures.Besureto exchangetheMICROCOMPUTERaftersurelyconfirmingthatthetroubleis notcausedbypoorsolderingbuttheMICROCOMPUTERitself.6RadioFans.CN 收音机爱 好者资料库ELECTRICALMAINPARTSLISTIf cantunderstandforDescriptionpleasekindlyreferto”RIXERENCENAMELIST”.REF. NO.PART NO.UANRIDESCRIPTIONREF. NO.PARTNO.KANRIDESCRIPTIONNO,IC8Z-MA1-601-O1O87-A2O-914-O1O87-A21-021-04087-A2O-455-O1O87-A21-023-04087-A21-022-04087-A21-011-04087-A21-031-04087-070-127-11087-A2O-913-O1O87-020-454-010TRANSISTOR87-026-245-080S7-026-609-08087-A30-198-08087-026-610-08087-A30-076-08087-A30-075-08087-A3O-1O4-O8O87-A30-087-OSO87-A30-257-08087-A30-159-08089-112-965-08087-A30-073-08087-A30-268-04087-A30-190-08087-A3O-1O6-O7O87-A3O-1O5-O8O87-A30-074-08087-A30-119-08087-A3O-186-O1O87-A30-086-07087-A30-234-08087-026-230-08087-A3O-214-O1O87-A3O-215-O1O87-A3O-O98-O1O89-213-702-01087-A3O-O97-O1O87-026-444-04087-026-463-080c-Ic,LC876580W-5K53IC,SPS-442-1-FC-IC,BU2099PVIC,HA12211C-IC,BA3835FC-IC,EA3880FSC-IC,M62445FP-600DC-IC,BU4551BFIC, LC72131DIC, LA1837NLIC, DN 6851TR, DTC114ESTR, KTA1266GRTR, KTC3199GRTR, KTC3198GRC-TR, 2SC3052FC-TR, 2SA1235FC-TR, RT1N441CC-FEP, 2SK2158c-TR,2SD1306Ec-TR,KTA1298YTR, 2SA1296(O .75W)C-TR, RTIN141Cc-TR,2sA1514K(S)TR, CC5551C-TR, CMBT5551C-TR, RTIP441CC-TR, RTIP141CC-TR, 2SC3906KRFET,2SK3053c-TR,CSD1306ETR, CSC4115BCC-TR, MA114YKm, 2sM344TR, 2SD2025TR, FP1016TR, 2SB1370ETR, PN1016C-TR,DTA123EKTR, 2SA933SDIODE87-017-654-060DIODE,GBU6J87-070-274-080DIODE,1N4003SEM87-A40-341-080ZENER,MTZJ36A87-A40-435-080ZENRR,MTZJ30D87-020-465-080DIODE,1SS133(11OMA)87-A40-345-080ZENER,MTZJ1OC87-A40-270-080C-DIODE,MC283887-A40-269-080C-DIODE,MC283687-A40-O04-080ZENER,MTZJ16A87-A40-509-080ZENER,MTZJ6 .8C87-A40-488-080DIODE,1SS24487-020-331-080CHIP-DIODE,DAN202K87-017-932-080ZENER,MTJ6.2B87-070-136-080ZENER,MTZJ5.lB87-A40-438-080ZENER,MTZJ4.7A87-A40-184-090DIODE,RK34(F)87-A40-002-080ZENER,MTzJ5.lC87-A40-234-080ZENER,mzJ5.6AMAINC.Bcl87-012-369-080C-CAP,S0.047-50FC2C3C4C5C6C9CloC21C22c23C24c25c26c27c28C29C3 oC31c61c62C091C092C093ClolC102C125c126c127C128C131c132C134C136c203c204C229C230c231c232C233C234c235C236C239C301C302C303C304C305C306C307C309C31OC311C312C313C314C315C316c321C322C324c325C327C328C332C335C336C337C33987-010-318-08087-012-157-080S7-012-157-08087-012-145-08087-012-145-08087-010-196-080S7-O1O-196-O8O87-010-196-08087-010-198-08087-010-198-08087-010-180-08087-010-180-08087-010-179-080S7-O1O-179-O8O87-012-142-08087-012-142-08087-010-260-08087-010-370-08087-010-404-08087-010-404-08087-010-196-08087-010-401-08087-010-401-08087-010-196-08087-010-196-080NO.87-012-369-08087-012-368-08087-012-368-08087-012-368-08087-012-368-08087-016-658-09087-016-658-09087-010-385-080S7-O1O-385-O8O87-010-247-08087-010-247-08087-010-430-08087-010-263-08087-012-140-08087-010-263-08087-010-247-08087-010-112-08087-010-235-08087-010-260-08087-010-496-0S087-010-401-08087-010-263-08087-010-380-08087-010-178-08087-010-178-08087-012-368-08087-012-368-08087-012-368-08087-012-368-08087-010-197-08087-010-197-08087-010-553-08087-012-368-08087-010-174-08087-010-174-08087-010-993-08087-010-993-08087-010-196-08087-010-196-08087-015-819-08087-015-819-08087-016-285-08087-016-285-08087-010-196-08087-010-318-080C-CAP,S0.047-50FC-CAP,S0.1-50FC-CAP,S0.1-50FC-CAP,S0.1-50FC-CAP,S0.1-50FCAP, E4700-35SMGCAP, E4700-35SMGCAP,ELECT22 O-25VCAP,ELECT220-25VCAP,ELECT1OO-5OVCAP,ELECT1OO-5OVCAP,ELECT100-63CAP,ELECT100-1OVC-CAP,S470P-50JCHCAP,ELECT100-1OVCAP,RLECT1OO-5OVCAP,ELECT100-16vCAP,E470-16SMECAP,ELECT47-25VCAP, E3.3-505LCAP, E1-50MCAP, E100-10MCAP, E47-16MC-CAP,S1OOOP-5OKBC-CAP,S1OOOP-5OKBC-CAP,S0.1-50FC-CAP,S0.1-50FC-CAP,S0.1-50FC-CAP,S0.1-50FC-CAP,S0.01-25KBC-CAP,S0.01-25KBCAP, E47-16C-CAP,S0.1-50FC-CAP,S470P-50BC-CAP,S470P-50BC-CAP,S0.056-25BC-CAP,S0.056-25BC-CAP,S0.01-25ZFC-CAP,S0.01-25ZFC-CAP,O.01-50KBC-CAP,O.01-50KBCAP, E47-100MCAP, E47-100MC-CAF,S0.1-25ZFC-CAP,S47P-50CHC-CAP,S47P-50CHC-CAP,S330P-50CHC-CAP,S330P-50CHC-CAP,S270P-50JCHC-CAP,S270P-50JCHC-CAP,S0.1-25ZFC-CAP,S0.1-25ZFC-CAP,S0,1-25ZFC-CAP,S0.022-25KBC-CAP,S0.022-25KBC-CAP,S1500P-50BC-CAP,S1500P-50BC-CAP,S1200P-50KBC-CAF,S1200P-50KBCAP,S0.33-16CAP,S0.33-16CAP,ELZCT47-25VCAP, E330-6.3SMECAP,ELECT4.7-50VCAP,ELECT4.7-50VC-CAP,S0.1-25ZFCAP,ELECT1-50VCAP,ELECTl-50VC-CAP,S0.1-25ZFC-CAP,S0.1-25ZF-7RadioFans.CN 收音机爱 好者资料库REF. NO.PARTNO.KANRIDESCRIPTIONC340C351C352C354C355C356C357C358C359c360C370C373C374c378C379c380C386c388C391c392C393C394C401c402C403C404C405c406C407c408C409C41OC411c412C413C414C415c416C417c418C419C451c452C457c458c461c601c602c611c612c613c614c619c620c621c622c627c628c629c630c631c632c633c634c635c636c637c641C731c732NO.87-010-196-08087-012-140-08087-012-140-08087-010-175-08087-012-349-08087-010-260-08087-010-197-08087-010-183-08087-010-183-08087-010-183-08087-010-196-08087-016-083-08087-016-083-08087-010-196-08087-010-382-08087-010-382-08087-010-196-08087-012-156-08087-010-319-08087-010-319-08087-010-319-08087-010-319-08087-010-196-08087-010-260-08087-010-404-08087-010-404-08087-010-404-08087-010-404-08087-010-188-08087-010-188-08087-012-140-08087-012-140-08087-010-404-08087-010-404-08087-010-404-08087-010-404-08087-010-197-08087-010-197-08087-010-956-08087-010-956-08087-010-260-08087-010-401-08087-010-401-08087-010-196-08087-010-196-08087-010-544-08087-010-180-08087-010-180-08087-010-197-08087-010-322-08087-016-081-08087-016-081-08087-010-185-08087-010-185-08087-010-401-08087-010-401-08087-010-196-08087-010-322-08087-010-405-08087-010-213-08087-010-992-08087-010-263-08087-010-263-08087-010-196-08087-010-196-08087-010-992-08087-010-183-08087-010-196-08087-010-560-08087-010-196-080C-CAP,S0.1-25ZFC-CAP,S470P-50JCHC-CAP,S470P-50JCHC-CAP,S560P-50JSLc-c7