Technics-SECH770-cs-sm 维修电路原理图.pdf
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1、RadioFans.CN 收音机爱 好者资料库RadioFans.CN 收音机爱 好者资料库r-SL-PS770A SL-PS770AIHReplacementParts ListGIcsol (MN64733)Notes: Importantsafety notice:ComponentsidentifiedbyA mark have apecialcharacteristicsimportantfor safety.Furthermore,specialparts which have purposesoffire-retardant(resistors),highqualilysound
2、 (capacitors),low-noise(resistors),etc. are used,When replacinganyofcompon8nts,b sura touse only manufacturesepecifiadparts showninthe parts list,*Tha parenthesizedindicationsinthe Remarkscolumnsspecifythe areas. (Refertothecoverpegaforarea,)Parta withoutthese indicationscan beusad forallareas.GRamo
3、taControlAssy: Supplyperiod forthree yaars frem terminationofproduction.*MB IndicatesinRemarkecolumnsparts that are suppliedbyMBV,*Warning:This productuaes aIaserdiode.Refer tocautionstatementsonpaga 2.*ACHTUNG:Die Lasereinheitnicht zerlegen.Die Laserelnheitdarf nur gegen eine vom Herstellerapezifiz
4、lefleElnheit ausgetauechtwerden.*The “(SF)” mark d6not6sthe standardpart.Pin Terminal.No.NameFunctionPin TerminalNo.NameI/oFunction22ZFLiBOutputtheinternaldetectorsignal forL-ch -mIII1PD1Noused,open21DpOL1lused(cOnneCttfJGND)I1123NCIIConnecttoGND3TXOUTo 128fssynchronizationsignal outputforTXIN24ALLO
5、WoNoused, open25CL384 o4VssConnecttoGND5Xo0 NDused, open6xl1Input forexternalclock signal7VDDIPowersupply(+5V)26LRPOLI ConnecttoVDD27DEOI ConnecttoGND28DEIIDe-emphasismodeselect signal input29Vss ConnecttoGND,IRef. No.IPart No.IPart Name& DescriptionIRemarksIIRef. No.IPart No.IPart Name& ascriptionI
6、RemrksIlQ892,893!2SA933SQRIWNSISTORI8LPo LTch positive-phase(PWM)detectionsignal output9LNo L-ch negative-phase(PWM)detectionsignal outputII11111I!IIIlINTEGRAmDcIRcuIT(s)IIIIIIIHII No used (ConnecttoGND)III, 11!IIDIODE(S)IcllLM2940T5I.C, REGULATOR AIC401 UPD78042A014LC, SYSTEMCONTROL mlD1l-18 1D3-ED
7、IODEAIMBI32RSTBI Reset signal input33IE No used (ConnecttoGND)34NC35TPIoNo used, open36TP210Vss ConnecttoGND11NC No used (ConnecttoGND)12NC-Noused (ConnecttoGND)ItI1I!I,IIIC651IRCDHC-278N11.C, REMDTESENMRIIID19/tA44330MTAIDIODE1AII11C701IAN8305SBEIILC. SERVOAWIrhfBlItD21.22lM4082MTAIDIODE1A111-11I1t
8、IC702 l662713RGlIl.c,SERWPmESWR IIMBI!D23,24lMA4056hfTAIDIODE1A13” IVss1 lConnecttoGNDIC703 AN8389sEl/1. C, OR DRIVEIC781 ITA7291SA11. C. TORDRIVED25,2611ss254TAIDIODED31.32lIss254TA IDIODEIII14RNo R-ch negative-phase(PWM) detectionsianal outDut37SEL238SEL1I NiI used (ConnecttoGND)39FSEL, Input the
9、MASH clock mode selectsignal (“H”: 64fs)40TXINI Digital audio interfacesignal inputIcmlMN64733 LC,DIGITALFILTERICM2,803AN96AD8SE21. C, D/A CONWRTERINTERFACEIC8D4-806LM833M63LC, DIFFERENCEW.ID33,34 lhfA4091-MIDIODEIIII15RPo R-ch positive-phase(PWM)detectionsignal outputD41,42llss254TA IDIODED51Iw4039
10、MTAIDIODE1II16VDDIlPowersupply(+5V)IC871 8A4560N LC, HEADPNNESAW.1C891 BA4560FEII.C, L. P. FILTERAMP.MBD301-305ISS254TA DIODED401M44056MTADIODEAD601-6061SS254TADIODE17Vss ConnecttoGND18CSELI No used (ConnecttoGND)19VDDI Power supply(+5V)20BSELI Noused (ConnecttoGND)21ZFLRBo Outputtheinternaldetector
11、signal forR-ch -m41SDI Serial data input42LRI L-ch/R-chclock signal inputIITRANSISTOR(S)ID651SIR-305LCLE. D.D652SLR-305CCLE. D.0653SLR-305ML. E. D.ItijBCKI I lSerial data and bitclock signal input I44PD2oOutputthebitclock signal, 64fs phasecomparitionsignal11101112SD2037EFTAITRANSISTOR1AQ122SB1240-P
12、TRANSISTORAQ132SD1862QRTV6TRANSISTORAQ152SA933SQRTRANSISTORA10701 11ss254TAIDIODEIID8ul,w2 llss254TA IDIODED831-8381SS254TADIODEQ1612sB123ww6ITRANSISTOR1AQ1712SC1740SQTRANSISTOR1AD841-848llss254TA /DIODED851 IID3-E IDIoDEIMBQ182SA933SQRTRANSISTORAQ19,202SD1450RTAWSISTORQ21DTA124ESTPTRANSISTOR0861ISS
13、254TAIDIODED891 11ss254TAIDIODEIQ2212sc1740wlTWYSISTORIIIVA81A8LEResistorIIQ232SD2037EFTATWNSISTORAQ312SD1862QRlV6TRANSISTORA-Q322SB1240-PTRANSISTORAVR871 ESVCU1AO16A15V. R, HEADPHONESLEVEL mlQ332SK982TPE2TRAIYSISTORAQ342SJ148TPE2TWSISTORAQ41DTA124ESTPTRANSISTORCWPUNENTCOMBINATION(S)ZB31-834EXCELDR3
14、5VCBINATIONPARTQ51,52IZSC1740WITRANSISTORQ401,40212sD1862QRn6ITRANSISTORAZ851/EXCELDR35VICWBINATIONPARTQ7512SA933SQRTRANSISTORQ7522SC1740SQTRANSISTORQBol,8022SC1740SQTWSISTORIIICOIL(S)II11841 18LQzN3R3KL-DICOILIM81IlQ803,80412SD1450WAlT8ANSIST0RIIIL871-873IRLQZN3R3KL-DlcoILIIMBIIQ805,W6IDTA124ESTPlT
15、RANSISRQ851 IDTc124EsTITRANSISTOR1874IRLQ2N4R7KL-DlcOIL11DTA114ESTPTRANSISlilRTRANSFOR(S)T1RTP1K4B020ER TRANSFORMERAMIW71,872 2SD1450ATRANSISTORQ8912SC1740SQTRANSISTOR34- 33Ref. M.IPart k.IPart Nm&DescriptimIRemrkI1lCILLAMR(s)IIX401 li23MolTlcILLAR(4.23MHz)IX701XZ16!Ii9MOlTCILL4TOR(16.9MHz)X801XA33M
16、OlTC1LLAR(33.&YHz) MBDISPLAYTUBEFL601 lmLo188-F DISPLAYTUBEIwlRef. No. Part b.Part hame& Description RemarksCN402RJ206CONhECTOR(6P)CN411,412IRJU076W20MlWT(20P)CN611.612lRJ7m20MlcoNNECT0R(20p)ImlICN701IRJS12Q9ZAlw8sT(12P)ImlICN702RJSM6723-lQWKET(23P)CN703RJTU29W06VICONhTCTOR(6P)IcN781 IRJP6G17ZAIPLUG
17、(6P)IICN871IRJS2A2107Tw8ET(7p)ImlCN891IRJS2A2107TiWKET(7P)ImlEARTHPLATEWITCH(ES)GND871 RMC0184 EARTHPLATEMBS601EVQ21405RW, 8S602EVQ21405RM, 3JACK(S)S603EVQ21405RSW,RECALLS604EVQ21405RSIY,F. SKIPJK1SJS9236AC INLETAS605EVQ21405RSW.STUPJK301 TQ174-AOPTICWCUTS6067Q21405RM, 9JK801 RJH3201NLINEWTS607EVQ21
18、405RSW.4JK871 QJAD455zC-ADPmNESJACKS608EVQ21405RSW,RANDS609EVQ21405RSW,RSKIPS61O EVQ21405RW, PAUSES611EVQ21405RSu, oS612EVQZ1405RM, 5S613EVQ21405RSW,REPEATS614EVQ21405RSW,RSEARCHS615EVQ21405RSU, F. SEARCHS616EVQ21405RSU, 6S617EVQZ1405RM, 1S618EVQ21405RN,PmRAMS619EVQ21405RSW,TI!FADES620EVQ21405RSW,AU
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