Aiwa NSXA959 电路图.pdf

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1、anua CDSTEREOSYSTEM awa SERVICE NSX-A959 NSX-F959 SYSTEM CD-CASSEIVER SPEAKER NSX-A959 (TYPE: U) CX-NA959 SX-WNA958 NSX-F959 (TYPE: LH) CX-NF959 SX-WNF959 GIfrequiringinformationabouttheCDmechanism,seeServiceManualof6ZG-1, S/MCodeNo.09-984-249-90T. RadioFans.CN 收音机爱 好者资料库 TABLEOFCONTENTS PROTECTIONO

2、FEYESFROMLASERBEAMDURINGSERVICING.3 PRECAUTIONTOREPLACEOPTICALBLOCK.3 SPECIFICATIONS.4 NOTEONBEFORESTARTINGREPAIR. 5 ELECTRICALMAINPARTSLIST. 7 TRANSISTORILLUSTRATION. 12 BLOCKDIAGRAM-1(MAIN/FRONT). 13 WIRING-1(MAIN: U. LH) .15 SCHEMATICDIAGRAM-1(MAIN:U) . 17 SCHEMATICDIAGRAM-2(MAIN: LH). 20 SCHEMAT

3、ICDIAGRAM3(TUNER).s.s. 23 IC BLOCKDIAGRAM-1.25 SCHEMATICDIAGRAM4(FRONT). 26 WIRING-2(FRONT).29 SCHEMATICDIAGRAM-5(HIFI-AMP). 31 WIRING-3(HIFI-AMP).s.33 WIRING4(JOG/RELAY/KEY). 35 SCHEMATICDIAGRAM-6(RELAY).n. 37 WIRING-5(DECK).38 WIRING-6(AC/PT).39 ADJUSTMENT1. 40 PRACTICALSERVICEFIGURE.s. 42 ICDESCR

4、IPTION.43 FLGRIDASSIGNMENT6 ohms) LH:170W+170W(75tiz,T.H.D. 10%,6 ohms) 0.3%(13.5W,75Hz,6 ohms,DIN AUDIO) VI DEO/AUX:210mV(adjustable) MD:21OmV(adjustable) MlCl,MIC2: 1.4mV(10kohrms) LINEOUT:200mV SPEAKERS:acceptspeakersof 6 ohmsormore SURROUNDSPEAKERS: acceptspeakersof8 ohmsto16ohms PHONES(stereoja

5、ck): accepts headphonesof32ohmsormore 4 tracks,2 channelsstereo CrO,tape:50Hz-16000Hz Normaltape:50Hz15000Hz 60dB(DoblyB NRON,CrOztape peaklevel) ACbias Deck1:playbackheadx 1 Deck2:Recording/Playbackheadx1/ eraseheadx 1 LaserSemiconductorlaser(1 =780nm) D-Aconverter1 bitdual Signal-to-noiseratio83dB

6、(1kHz,O dB) Harmonicdistortion0.05%(1kHz,O dB) WowandflutterUnmeasurable Cabinettype 4 way(magneticshieldedtype) Speakers Subwoofer: 200mmconetype Woofer: 120mmconetype Tweeter: 60mmceramictype Supertweeter 20mmceramictype Impedance6 ohms Outputsoundpressurelevel87dBAM/m Dimensions(Wx H x D) 260 x 3

7、53x387mm (10/,X14X15/,ln.) Weight6.5kg(14Ibs5OZ.) Cabinettype 4 way(magneticshieldadtype) Speakers Subwoofer: 200mmconetype Woofer: 120mmconetype Tweeter: 60mmceramictype Supertweeter: 20mmceramictype Impedance6 ohms Outputsoundpressurelevel87dBIW/m Dimensions(Wx H x D)270 x 440 x316mm Weight6.8kg c

8、General PowerrequirementsU:120VAC,60HZ LH:120V1220-230V1240V AC (switchable),50/60Hz PowerconsumptionU:195W LH:250W Dimensionsofmainunit300 x 357.5x376mm (1 17/8X14/,X147/,in.) Weight 12.8kg(28Ibs4 OZ.) GDesignandspecificationsaresubjecttochangewithout notice. c Theword“BBEandthe“BBEsymbol”aretradem

9、arksofBBE Sound,Inc. UnderlicensefromBBESound,lnc. GDolbynoisereductionmanufacturedunderlicensefromDolby LaboratoriesLicensingCorporation. “DOLBY”andthedouble-DsymbolnoaretrademarksofDolby LaboratoriesLicensingCorporation. 4 NOTEONBEFORESTARTINGREPAIR 1.Forceddischargeofelectrolyticcapacitorofpowers

10、upplyblock Whenrepairisgoingtobeattemptedinthesetthatusesrelaycircuitinthepowersupplyblock,electricpotentialiskeptcharged acrosstheelectrolyticcapacitors(C 101,102)eventhoughACpowercordis removed.Ifrepairisattemptedinthiscondition,the secondarydefectcanoccur. Inordertopreventthesecondarytrouble,perf

11、ormthefollowingmeasuresbeforestartingrepairwork. Discharctetxocedure,!1 “! RemovetheACpowercord, Connecta dischargingresistoratanendofleadwirethat hasclipsat bothends.Connectortheotherendofthe leadwiretometalchassis. Contacttheotherendofthedischargingresistortothe positive(+)side(+VH)ofCIO1.(Fortwos

12、econds) Contactthesameendofthedischargingresistoras step tothenegative(-)side(-VH)ofC102inthesame way.(Fortwoseconds) CheckthatvoltageacrossC 101andC 102hasdecreased 1 Vorlessusinga multimeteroranoscilloscope. L Selecta dischargingresistorreferringtothefollowingtable. Fig-1 Chargingvoltage(V) Discha

13、rging (Clol,102) Ratedpower(W)Partsnumber resistor(Q) 25-48100387-AOO-247-090 49-1402205 87-AOO-232-090 Note:Thereferencenumbers(C101,C102)oftheelectrolyticcapacitorscanchangedependingonthemodels.Besuretocheckthe referencenumbersofthechargingcapacitoronschematicdiagrambeforestartingthedischargingwor

14、k. 2.CheckitemsbeforeexchangingtheMICROCOMPUTER BesuretocheckthefollowingitemsbeforeexchangingtheMICROCOMPUTER.ExchangetheMICROCOMPUTERafter confirmingthattheMICROCOMPUTERissurelydefective. 2-1.RegardingtheHOLDterminaloftheMICROCOMPUTER WhentheHOLDterminal(INPUT)oftheMICROCOMPUTERis“H,theMICROCOMPUT

15、ERis judgedtobeoperating correctly.Whenthisterminalis“L”,themainpowercannotbeturnedon.Therefore,besuretochecktheterminalvoltageof theHOLDterminalbeforeexchange. WhentheMICROCOMPUTERisnotdefective,theHOLDterminalcanalsogo“L”whenthePOWERAMPLIFIERhasany abnormalitiesthattriggerstheabnormalitydetectionc

16、ircuitontheMAINC.B.thatsetstheHOLDterminalto“L”. GGoodornogoodjudgmentoftheMICROCOMPUTER TurnontheACmainpower. ConfirmthatthemainpoweristurnedonandtheHOLDterminaloftheMICROCOMPUTERkeepsthe“Hlevelor not. WhentheHOLDterminalis“L”level,theabnormalitydetectioncircuitis judgedtobeworkingcorrectlyandthe M

17、ICROCOMPUTERis judgedtobegood. .- r . .-.- FRONTC.B; MAINC.B 1: h Ik HOLD T IIV1lVI t II Insomemodels,itis PIN. 5 - OVERLOADDET POWERAMP -i -$3 DCDETPOWERAMP :. ACDET POWERSUPPL II 7L- dependmguponuncroprocessor. .- .- . Fig-2-l 5 Insucha case,checkalsoifthePOWERAMPLIFIERcircuitorpowersupplycircuith

18、asanyabnormalitiesornot. 2-2.Regardingreset TherearecasesthatthemachinedoesnotworkcorrectlybecausetheMICROCOMPUTERisnotreseteventhoughtheAC powercordis re-inserted,orthesoftwarereset(pressingtheSTOPkey+ POWERkey)isperformed. Whentheabovedescribedphenomenonoccurs,itcanleadstowrongjudgmentas iftheMICR

19、OCOMPUTERisdefectiveandto exchangetheMICROCOMPUTER.Insucha case,performtheforced-resetbythefollowingprocedureandcheckgoodorno goodoftheMICROCOMPUTER. RemovetheACpowercord. Fig-2-2 ShortthebothendsoftheelectrolyticcapacitorC 113thatisconnectedtoVDDoftheMICROCOMPUTERwithtweezers. ConnecttheACpowercord

20、again.IftheMICROCOMPUTERreturnstothenormaloperation,theMICROCOMPUTER isgood. Note:ThereferencenumberorMICROCOMPUTERpinnumberoftransistor(QI10)andelectrolyticcapacitor(Cl13)canchange dependingonthemodels.Besuretocheckthereferencenumbersonschematicdiagrambeforestartingthedischargingwork. 2-3.Confirmat

21、ionof solderingstateof MICROCOMPUTER CheckthesolderingstateoftheMICROCOMPUTERinadditiontotheabovedescribedprocedures,Besuretoexchangethe MICROCOMPUTERaftersurelyconfirmingthatthetroubleisnotcausedbypoorsolderingbuttheMICROCOMPUTER itself. 6 ELECTRICALMAINPARTSLIST IfcantunderstandforDescriptionpleas

22、ekindlyreferto”REFERENCENAMELIST”. REF. NOPART NO.KANRIDESCRIPTION NO. REF. NO,PART NO.U4NRIDESCRIPTION NO. IC MAINC.B Clol C102 C103 C104 C105 C106 C107 C108 C109 Cllo Clll C112 C113 C114 C115 C116 C117 C118 C119 C120 C121 C122 C123 C124 C125 C209 C21O C215 C216 C217 C218 C223 C224 c229 C230 c231 c

23、232 c233 c234 c235 c237 c238 C239 c240 C243 c244 C247 c248 c280 C301 c302 C303 C304 C305 c306 C307 C311 C312 C313 C314 C315 c316 C317 c318 C319 c320 c321 c322 87-A1O-231-O9O 87-A1O-231-O9O 87-016-658-090 87-016-658-090 87-012-368-080 87-012-368-080 87-012-368-080 87-012-368-080 87-010-196-080 87-010

24、-196-080 87-010-196-080 87-010-196-080 87-010-247-080 87-010-385-080 87-010-385-080 87-010-247-080 87-010-430-080 87-010-263-080 87-010-260-080 87-010-403-080 87-012-140-080 87-010-263-080 87-010-247-080 87-010-112-080 87-010-235-080 87-010-401-080 87-010-401-080 87-010-404-080 87-010-404-080 87-010

25、-913-080 87-010-913-080 87-010-197-080 87-010-197-080 87-A1O-516-O8O 87-A1O-516-O8O 87-010-186-080 87-010-186-080 87-010-544-080 87-010-544-080 87-010-196-080 87-012-368-080 87-012-368-080 87-012-368-080 87-012-368-080 87-010-322-080 87-010-322-080 87-012-154-080 87-012-154-080 87-010-188-080 87-010

26、-318-080 87-010-318-080 87-012-157-080 87-012-157-080 87-012-145-080 87-012-145-080 87-010-196-080 87-010-198-080 87-010-198-080 87-010-179-080 87-010-179-080 87-010-178-080 87-010-178-080 97-012-142-080 87-012-142-080 87-012-141-080 87-012-141-080 87-012-141-080 87-012-141-080 88-NF3-64O-O1O 87-NF8

27、-614-O1O 87-017-915-080 87-A2O-355-O1O 87-A20-783-040 C-IC,LC866560W-5G72 IC,SPS-442-1-W IC,BU4094BCF IC,CXA1553P C-IC,BA7762AFS CAP,E3300-80 CAP,E3300-80 CAP,E4700-35SMG CAP,E4700-35SMG C-CAP,S0.1-50F C-CAP,S0.1-50F C-CAP,S0.1-50F C-CAP,S0.1-50F CHIPCAPACITOR,0.1-25 CHIPCAPACITOR,0.1-25 CHIPCAPACIT

28、OR,0.1-25 CHIPCAPACITOR,0.1-25 CAP,ELECT1OO-5OV CAP,ELECT220-25V CAP,ELECT220-25V CAP,ELECT1OO-5OV CAP,ELECT100-63 CAP,ELECT100-1OV CAP,ELECT47-25V CAP,ELECT3.3-50V CAP470P CAP,ELECT100-1OV CAP,ELECT1OO-5OV CAP,ELECT100-16V CAP,E470-16SME CAP,ELECT1-50V CAP,ELECT1-50V CAP,ELECT4.7-50V CAP,ELECT4.7-5

29、0V CAP,E47-25ASFBP CAP,E47-25ASFBP CAP,CHIP0.01DM CAP,CHIP0.01DM C-CAP,S1OOP-2OOJCH C-CAP,S1OOP-2OOJCH CAP,CHIP4700P CAP,CHIP4700P CAP,ELECT0.1-50V CAP,ELECT0.1-50V CHIPCAPACITOR,0.1-25 C-CAP,S0.1-50F C-CAP,S0.1-50F C-CAP,S0.1-50F C-CAP,S0.1-50F C-CAP,S1OOP-5OCH C-CAP,S1OOP-5OCH C-CAP,S150P-50CH C-C

30、AP,S150P-50CH CAP,CHIP6800P C-CAP,S47P-50CH C-CAP,S47P-50CH C-CAP,S330P-50CH C-CP.P,S330P-50CH CAP,CHIPS270PCH CAP,CHIPS270PCH CHIPCAPACITOR,0.1-25 CAP,CHIP0.022 CAP,CHIP0.022 CAP,CHIPSB1200P CAP,CHIPSB1200P CHIPCAP1000P CHIPCAP1000P CAP,S0033-16 CAP,S0.33-16 CHIP-CAPACITOR,O.22-16F CHIP-CAPACITOR,0

31、.22-16F CHIP-CAPACITOR,0.22-16F CHIP-CAPACITOR,0.22-16F 87-A2O-O83-O1O 87-A20-804-040 87-070-289-040 87-A20-560-040 87-A20-954-040 IC,BA3835S C-IC,NJM2152M IC,BU2092F C-IC,M65849BFP C-IC,M62445FP-601 87-017-888-080 86-NFZ-655-O1O 87-A2O-438-O1O 88-NF5-615-040 87-A2O-437-O1O IC,NJM4558ME IC,LC72131D(

32、Z) IC,LA1837 C-IC, MsM6654A-521GS-KR1 C-IC,M62431FP 87-020-454-010IC,DN6851 TRANSISTOR 87-A3O-1O7-O7O 87-026-263-080 89-213-702-010 87-A30-087-080 87-026-232-080 C-TR,CMBT5401 C-TR,RN141O TR,2SB1370(1.8w) C-FET,2sK2158 TR,DTA144WK 87-A30-075-080 87-026-610-080 87-A30-076-080 87-A30-073-080 87-A30-19

33、6-080 c-TR,2sA1235F TR,KTC3198GR C-TR,2sc3052F C-TR,RTIN141C TR,2SC4115SRS 87-A30-071-080 87-026-609-080 87-A30-086-070 87-A30-190-080 87-A3O-2O4-O1O C-TR,RTIN144C TR,KTA1266GR C-TR,CSD1306E TR,CC5551 TR,2SD2439 87-A3O-2O5-O1O 87-A3O-1O6-O7O 87-A3O-162-O1O 87-A30-072-080 87-A3O-137-O1O TR,2SB1588 C-

34、TR,CMBT5551 FET,2SK2937 C-TR,RTIP144C TR,2SD2494 87-A3O-138-O1O 87-A30-074-080 87-A30-221-040 87-026-226-080 87-A3O-1O5-O8O TR,2SB1625 C-TR,RTIP141C C-TR,DTA114WK CHIP-TR,DTA143EK C-TR,RTIP441C 87-A30-084-080 89-109-521-080 89-327-143-080 87-026-463-080 TR,cSB1058B TR,2SA952(0.6w) TR,2SC2714(0.lW) T

35、R,2SA933S DIODE 87-A40-470-080 87-017-447-010 87-017-654-060 87-A40-269-080 87-A40-270-080 DIODE,1sS254 DIODE, GBU4DL DIODE, GBU6J C-DIODE,MC2836 C-DIODE,MC2838 87-070-274-080 87-A40-440-080 87-A40-503-080 87-A40-345-080 87-A40-438-080 DIODE,1N4003SEM Z13NER,MTzJ75A ZENER,MTZJ39B ZENER,MTZJ1OC ZENER

36、, MTZJ4. 7A 87-A40-004-080 87-A4O-274-O1O 87-A40-488-080 87-070-136-080 87-A40-234-080 ZENER,MTZJ16A DIODE,FMB-G16L DIODE,1SS244 ZENER,MTZJ5, lB ZENER,MTZJ5. 6A ZENER,MTZJ5. lC DIODE,1N5818 87-A40-002-080 87-A4O-392-O1O REF. NO.PART NO.KANRI DESCRIPTION C324 C325 C327 C328 C332 C335 C336 C337 C339 C

37、340 C351 C352 C354 C355 c356 C357 C358 C359 C360 C363 C370 C371 C372 C373 C374 C375 C376 C378 C381 C382 C383 C384 C385 C386 C401 C402 C403 C404 C405 C406 C407 C408 C409 C41O C411 C412 C415 C416 C453 C454 C457 C458 C459 C460 C461 C463 c464 C516 C551 C552 C553 C601 C602 C613 C614 C619 C620 C621 C622 C

38、625 NO, 87-010-260-080 87-010-370-080 87-010-404-080 87-010-404-080 87-010-196-080 87-010-401-080 87-010-401-080 87-010-196-080 87-010-196-080 87-010-196-080 87-012-140-080 87-012-140-080 87-010-175-080 87-010-178-080 87-010-260-080 87-010-197-080 87-010-183-080 87-010-183-080 87-010-183-080 87-A1O-

39、772-O8O 87-010-196-080 87-010-177-080 87-010-177-080 87-010-179-080 87-010-179-080 87-010-545-080 87-010-545-080 87-010-196-080 87-010-197-080 87-010-318-080 87-010-197-080 87-010-402-080 87-010-184-080 87-010-196-080 87-010-405-080 87-010-405-080 87-010-184-080 87-010-184-080 87-010-193-080 87-010-

40、193-080 87-010-405-080 87-010-405-080 87-010-380-080 87-010-380-080 87-010-405-080 87-010-112-080 87-010-184-080 87-010-184-080 87-010-544-080 87-010-544-080 87-010-402-080 87-010-402-080 87-010-402-080 87-010-402-080 87-010-545-080 87-010-402-080 87-010-402-080 87-010-196-080 87-010-401-080 87-010-

41、263-080 87-010-380-080 87-010-180-080 87-010-180-080 87-016-081-080 87-016-081-080 87-010-185-080 87-010-185-080 87-010-401-080 87-010-401-080 87-010-405-080 CAP,ELECT47-25V CAP,E330-6.3SME CAP,ELECT4.7-50V CAP,ELECT4.7-50V CHIPCAPACITOR,0.1-25 CAP,ELECT1-50V CAP,ELECT1-50V CHIPCAPACITOR,0.1-25 CHIPCAPACITOR,0