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    Technics-SAEH760-rec-sm 维修电路原理图.pdf

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    Technics-SAEH760-rec-sm 维修电路原理图.pdf

    RadioFans.CN 收音机爱 好者资料库RadioFans.CN 收音机爱 好者资料库Tuner amplifier1 Standby/on switch (?/I) Press to switch the unit from on to standby mode or vice versa. Instandby mode, the unit is still consuming a small amount ofpower.2 Standby indicator (?)When the unit is connected to the AC mains supply, this indicatorlights up in standby mode and goes out when the unit is turned on.3 Play timer/record timer button and indicator(FPLAY/FREC)4 ECO mode button (MODE) 5 Clock/timer, demo button(CLOCK/TIMER, DEMO) 6 FM mode button (FM AUTO/MONO) 7 6ch discrete input button (6CH DISCRETE INPUT)8 Source input button (INPUT SELECTOR) 9 Tuner/band button (TUNER/BAND) :Digital super woofer button and indicator(DIGITAL S.WOOFER) ; Volume control (VOLUME) Set button (SET) ? Tuning buttons (X, W TUNING) RDS display mode buttons(RDS, PSDISP MODEPTY) HH/IMODE? TUNING PHONESTUNING MODESETKARAOKEECHOINPUT SELECTORTUNER/BANDDIGITALS.WOOFERVOLUMEUPDOWNFM AUTO/MONO6CHDISCRETE INPUT?PLAY/?RECCLOCK/TIMER DEMO5 67 8 9;:3 41 2?AABl_r1mopqzy|:9t;snuvwxHAV EFFECTSLEEPCH SELECTPROGRAM1234567890j/-/-CANCELDISCVCR/AUX/6CH INPUTTAPE/DECK 1/2UPRO LOGICDIGITALS.WOOFERSUPERSURROUNDTUNER/BAND?/g?MUTINGMN?VOLUME?CDTEST3D AI EQ/M.EQ BANDEQRemote controlsButtons 1, 9;, , _ and function in the same way as thecontrols on the main unit.l Sleep timer button (SLEEP)m Numbered buttons (19, 0, M)n Cursor buttons (2, 1, 3, 4)oChannel select button (CH SELECT) p Test button (TEST) q Input select button (VCR/AUX/6CH INPUT)r TAPE select, deck 1/deck 2 select button(TAPE/DECK 1/2) s CD pause/Tape reverse playback button (2/;)t Muting button (MUTING) u Program button (PROGRAM) v Cancel button (CANCEL) wDisc button (DISC) x EQ button (EQ)y AV effect button (AV EFFECT) z CD button (CD) CD play/tape forward playback button (1) | CD/tape stop button (?) CD skip/search, tape fast forward/rewind buttons(4, 5)B1920212223AMMIX12LEVELDETFM IFS-CURVE23REG413AGCCOMP681110AMRFAMPAMIFAM/FMIFBUFFER241FMDETAMOSCBUFEERALCTUNINGDRIVE18BUFFERAMPFM ANTRF AMPFMMIXERFM OSC9Vcc+B(FM)FM IFAMP+B2AMIFT1207.2MHzXINXOUTPHASE DETCHARGE PUMPCE23DI4CLD0598710BO4BO3IO115VDD16PDIFIN11BO21/21413FM INAM INPowersupply(FM:ON)+B2+B1+B(FM)SDSTEREOSWITCH17FM / AM I F AMP,DET / AM OSC,MIX / FM MPX(LA1833MN)15PILOTCANCELPHASEDET16VCOFFFFPILOTDETFFAMDETDECODERBO16IO21219VssPowerONRESETPLL FREQUENCYSYNTHESIZER(LC72131M)+B2GND57STMONOFM/AMSDFMDETFM IFINAMOSCOUTAFCAMOSCAM RFINAGCAMOUTDETOUTPILOTINMPXINPILOTOUTLch14Rch1718AINAOUTAMANTCOILAMOSCCOILAM ANT+B2STRQAM IFINAMMIXOUTRchIFT+B(FM)+B(FM)+B(FM)FM:ONDETCE1DATA1CLK1DATA INZ120 TUNER UNIT (RAN0005EM)REFERENCEDIVIDERSWALLOW COUNTER1/6,1/17 4BIT12 BITPROGRAMMABLEDIVIDERDATA SHIFTREGISTER LATCHUNIVERSALCOUNTERFrom POWERTRANSFORMER18W501234567912131415161718A.GNDDC 10VTW LTW R191110CT.GNDSH FL1DATAD.GNDTUNER L/CTUNER RMID LMID RSWMIC-B(-7.5V)V.GNDCE/REQCLKSH FL220SYNC+B6RchRch-B3To SOUND PROCESSORBLOCK DIAGRAMLC72 CELC72 DO/STLC72 CKDATA1CLK1DATA INCE1345LC72 DI2LC8A524A5N28IC901SYSTEM CONTROL / FL DRIVERch94SH CS97SH CK9596SH DOSH DISYNC100SD21SH REQSW CONT.12X0X114ABC11109G8213BU4053BCFE2IC201SIGNAL SELECTOR115Y1Y0VDD16+B5VSS7-B39SEL/TUNERSDLC72721NMTLMIC151RDS SIGNALDEMODULATORVR901(VOLUME)2423VR JOGAVR JOGBLC8A524A5N28IC901SYSTEM CONTROL / FL DRIVE29REMO-CONZ901REMOTESENSOR+B917G3137P1354045,47505271,7377FL901FL DISPLAYD933,93478REGIN081TIMER82S.W LEDD951(DIGITALS.WOOFER)80STANDBYD954(PLAY/REC)D306()DET28RDS DATARDS CLK27CLOCKRECOVERY(1187.5Hz)RDDARDCLPCLRDS-IDIDRRDS-IDDETECT57kHzBPF(SCF)PLL(57kHz)VREFCINFLOUTVREFVDDVssMPXINT1T2T3T4TESTXOUTXINSTDBYOSC/DIVIDERCLK(4.332MHz)10112014198724,123,13+B2156161791518X151REGIN11617X901(6MHz)XC INXC OUT1314X902(32.7kHz)X INX OUTCRTTIMERD90399ANTIALIASINGFILTERSMOOTHINGFILTERREFERENCEVOLTAGEDATADECODER79MUTINGQ607(Q608)MUTINGQ606MUTINGQ60588MUTE2MUTE2SURROUNDSPEAKERSCENTERSPEAKERS(8 )SPEAKERSR chHEADPHONESKEYSWITCH(S901915)1920KEY TUKEYKARAOKEQ901,D904RESET12RESET+B915Vss89Vss290VDD2+B7VDD1VDD3VDD4184672D902D901LC8A524A5N28IC901SYSTEM CONTROL / FL DRIVE1621GND104751(2)63201519(18)26(25)2324RSN311W64AIC601POWER AMP+B3D601-B1D602-B2Q601,6029+B8Q551,554,55513POWER98E DETHP SW26AC INAC IN8687/ECO/ECOPOWERPOWER11+B71CHECKTP14NQ503,558+B451-VP-VP85MUTED906SWITCH-INGD974SWITCH-INGD90722811(12)HIGH(6 )MID(6 )RLY602RLY605LOW(8 )Q617Q6186RL17RL2MUTINGCONTQ911(Q912)Q902,961-VPMUTINGMUTE2SIGNALLEVEL DETRELAYDRIVERELAYDRIVE+B11+B11POWER CONTROLCIRCUITPOWER CONTROL/PROTECTION CIRCUITPOWER TRANSFORMERF1AC INL701T701D702,704,752,754,755Q709Q707+B4+B5-B3Q702,705Z701RLY702Q791POWERTRANSFORMERT702D741744RL701-B1-B2Q703,704+B8D701,703,751,753Q706Q701+B1Q723+B2Q711,725D717720+B6D705-VPFL1FL2FL DISPLAY(FL901)Q708+B3POWERSYNC/ECHOQ726+B7+B9+B10D902D901AC IND956(TRI-AMPLIFIER)D746REGULATORREGULATORREGULATORREGULATORSWITCH-INGSWITCH-INGREGULATORREGULATORREGULATORRELAYDRIVERELAYDRIVE+B11+B11+B7NOTES :SIGNAL LINE: FM SIGNAL: AM SIGNAL: FM OSC SIGNAL: AM OSC SIGNAL: SOURCE SIGNAL: CENTER SP. DRIVE SIGNAL: SURROUND SP. DRIVE SIGNAL() indicates pin No. Right channel.ABCDEF12345678R929R955R988R991R937R936R926R935R987R914R910R909R953R951R943R961R155R151R152R153R154R924R925R922R921R944R906R905JJJJR915R916R954R996R990R934R930R931123VR901(VOLUME)R923R918R957R919R969R933R967R993R986R939R960R911R976R952R928R938R904R903R902R511R509R510R946R908R950R945R962R949R158R907R913R959R958R975R932JJJJJJJJJJJJR956R995R942R968R965R997R966R941R984R912D956(TRI-AMPLIFIER)D951S913J151413121110987654321W902BJJJJJJJJJC902C931C915C903D903C961C901C922C920C928C913D961Q961BCEQ902E C BD906D901D902C921C926C905C912C924C917C157C152C153C160C156C510C509C395C396C923C155C154C908C907C925C909C904C911C91015141312111098765421W901B3D973D934D933D915D904D974D907D905JL901L902L153L151L152JS915(RDSDISP MODE-PTY)S914(RDSDISP MODE-PS)S907(SET)S906(TUNING MODE)S905(FM AUTO/MONO)S903(CLOCK/TIMER,DEMO)S902(MODE)S904( PLAY/ REC)S908(INPUT SELECTOR) S909 (6CH DISCRETE INPUT)S912(TUNER BAND)JJJJJJJJJJJJ15101520253035404550556031516575708081859095100IC901Q901BCE321X901JJJX902125678910111213141516171819202122232425262728293031323334353637383940414243444546474849505354FL901C914C916C918JJJJR901R963R964R512JJJJC158C159C151C919C927Z901(SENSOR)321X151IC1511510111520D151D954Q912E C BQ911E C BJK903(PHONES)8127435W905TPOPERATION P.C.B.A(REP2964A-M)DIGITALS.WOOFERS911(TUNING )S910(TUNING )S901( / )D306( )ELECTRICAL PARTS LOCATIONOPERATION P.C.B.ARef. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.IC151IC901Q901Q902Q911Q912Q961D151D306D901D902D903D904D905D906D907D915D933D934D951D954D956D961D973D974VR901L151L152L153L901L902Z901X151X901X902FL901S901S902S903S904S905S906S907S908S909S910S911S912S913S914S915JK903W901BW902BW905R151R152R153R154R155R158R509R510R511R512R901R902R903R904R905R906R907R908R909R910R911R912R913R914R915R916R918R919R921R922R923R924R925R926R928R929R930R931R932R933R934R935R936R937R938R939R941R942R943R944R945R946R949R950R951R952R953R954R955R956R957R958R959R960R961R962R963R964R965R966R967R968R969R975R976R984R986R987R988R990R991R993R995R996R997C151C152C153C154C155C156C157C158C159C160C395C396C509C510C901C902C903C904C905C907C908C909C910C911C912C913C914C915C916C917C918C919C920C921C922C923C924C925C926C927C928C931C9617C4C5B3C7B7B2C6C8B3C3C2B5B3B2C6C4B4C4C2C7B1C2C3C6B1B6C7C5C4C4B7C7B5B6B6C8B7B7B8B6B6A6A5B6B5A4A4B2C4A3A7A3D2D8A6C6C7C7D6D6C8B8A7B8A7B7B7B7B6A6A5B6B5A5A4B2C3A4B4B3A2B2B6B6B1C6C6C3B6B2B2B2B2B3C2B3B3B3B7B4C2C2C5C6B6C6B6C6C5C5B5B3B2B2B2B3B3C4C6C6C8B8B3C3C2C2C3C3C5B1C3C3B2B3C2B3C2C3C3C7C7C7C7C7C7B7B7B7B7C7B7B8B8A4B2C3B5C4B6C5C5C5B5B5B3B5B2B6B6B6B7C3C3C3C8A6B5B3B7C3C3C2CABCDEF1234567810987654321CN781D607R635R626R629R712R707R766R669R670R702JJJJR708R719R230R598R597JJJJJJJJJJJJJJJ151413121110987654321W902AJJJJJJJJJJJJJJJJJJJJE C 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 C EQ7071589101516IC201C554C551C553C721C660C622C659C601C602C7351234567891011CP101R203R204R211R229R561D757D555D551D558D736D753D749D756D658D563D715D718D717D755D761D705D754D613D614D719D720D552E C BQ555E C BQ554E C BQ558E C BQ708E C BQ709E C BQ706E C BQ503D201D725ECBQ551BCEQ703E602ECBQ607ECBQ602ECBQ601ECBQ606ECBQ605ECBQ6082625242322212019181716151413121110987654321IC601JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJD602D601E601JJJD703D704D702D752D701D751RL701C715123456789101234W721W722652143C702C703C701C704JJJJJJJJC642C641C639C732C625C627C624C626C640C621RL6021845673218456732RL605ECBQ617ECBQ618R672R667R668R6751 2 3 4CP6031 2 3 4CP6025 6 7 81 2 3 4CP6015 6 7 8 9101112JC631C635C637C666C636JK601JK602MAIN P.C.B.B(REP2964A-M)SPEAKERSTo SB-EH760To SOUND PROCESSOR(R)(R)(L)(L)(R)(L)LOW(8 )MID(6 )HIGH(6 )LOW(8 )MID(6 )HIGH(6 )L601L603L604L602NL605L606JGHIJKLBCEQ701BCEQ702BCEQ711BCEQ725E C BQ705R725R723C719C717C710C720W701BD72310987654321C718C722C734R720R724R768R770R749R765D760D758D739D738JD730JPOWER SUPPLY P.C.B.C(REP2964A-M)ELECTRICAL PARTS LOCATIONRef. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.MAIN P.C.B.BPOWER SUPPLY P.C.B.CQ701Q702Q705Q711IC201IC601Q503Q551Q554Q555Q558Q601Q602Q605Q606Q607Q608Q617Q618Q703Q706Q707Q708Q709Q723D201D551D552D555D558D563D601D602D607D613D614D657RL701CN781CP101CP601CP602CP603JK601JK602E601E602W501W721W722W901AW902AR202R203R204R211R229R230R544R546R547R548R551R552R553R554R555R556R557R558R627R628R629R631R632R635R637R638R639R640R641R642R643R644R645R646R647R648R649R650R651R652R667R668R669R670R672R675R683R684R685R686R687C604C605C606C607C608C609C610C611C612C613C614C616C617C618C619C620C621C622C624C625C626C627C631C632C635C636C637C639C640C641C642C647C648D658D659D701D702D703D704D705D715D717D718D719D720D721D725D736D737D749D751D752D753D754D755D756D757D761L601L602L603L604L605L606RL602RL605R559R561R563R564R570R571R572R591R597R598R601R602R603R604R605R606R607R608R609R610R611R612R614R615R617R618R619R620R621R622R623R624R626R688R691R702R703R704R705R707R708R712R719R721R722R727R729R738R739R763R764R766R767R776R797C201C202C550C551C552C553C554C564C601C602C603C649C650C659C660C666C701C702C703C704C705C706C707C708C709C714C715C721C723C724C731C732C733C735C737C740C741C761R749R765R768R770D739D758D760W701BQ725D723D730D738R720R723R724R725C710C717C718C719C720C722C7342D5F3D2D2D3D3D2E2E2E2E3E3E8C8C3D4D3C4D4D1B3D2E2D2D3D3D5E5E1B7D7D2B3D2B5D5C4D5C4C4C4C4C4C4C3C3E4D1C3E5D5C5D7C5C3D2D5C7E5E6D6D5D4D7E8D5C2B1D8E8D8C8E7E7E3E2C5C5C3C2B3D2D2D3D2D2C3D4E4E4E3E3E3E4E3E2E2D2D2D2D2C2C2D3D3D2D2C2C3E3E3E3E2E2E3E3E4E4E4E4E3E3E2E2E4E4E3E3E4E4E3B4E3E3B3E3E2B3D3D6E5E7D5E6D6D6D7D4E4E4D4D7D7E8C8C7C7C8C7C2E2E2E2E3E3E4E7C5D5D5D4C4C2B2B4D4D3E3E3D4D1C1C4C3D3D3D3D3C2D2D2D2E2D3D2C2D3E3E4E4E3E3E4E4E4E3E3E3E4E4E4E3D6E7D3E7E7D7E7D8E7E8E7E8E7D7D8D7D3E4E4E4E3E3E7E7C6C6C6C2B3C4C3C3D4C4C3E3D3D4C7D1C1D4C1C5C6C2I2I2I2I2I2I3I3I2I3I2I2I2I2I2I1I2I3I2I2I2I2I2I2I2I2I2IABCDEF12345678RL702T702(Power transformer)R794R773R774R777R795R771R772E C BQ791E C BQ726D500D711D746D742D744D741D743D740JJJJJC754C758D745D747C7591234CN6031234CN60256781234CN60156789101112JJJJJJJJC755C753C651C646C643C645C644C652JK603JK701JJJJL701FC1FC2F1 T2AZ701W1W2/W3C791AC IN P.C.B.D1243AC IN230V 50Hz . E,EG230-240V 50Hz . EBSLSRCREP2966A-M . E,EGREP2966B-M . EBCN710CN709CN708CN707CN706CN705CN704CN703CN702CN701R792R791R793W722W721JJPOWER TRANSFORMER (B) P.C.B. FPOWER TRANSFORMER (A) P.C.B. ECN712CN713CN711W3W2W1JJJJJJ123456789101234T701(Power transformer)(REP2964A-M)REP2966A-M . E,EGREP2966B-M . EBJELECTRICAL PARTS LOCATIONPOWER TRANSFORMER(A) P.C.B.ERef. No.Lo. No.Ref. No.Lo. No.POWER TRANSFORMER(B) P.C.B.FSPEAKER TERMINAL P.C.B.DQ726Q791D500D711D740D741D742D743D744D745D746D747L701T702Z701F1RL702CN601CN602CN603JK603JK701FC1W1W2W3CN709CN710W721W722R791R792R793FC2W1W2/W3R771R772R773R774R777R794R795C643C644C645C646C651C652C753C754C755C758C759C791CN701CN702CN703CN704CN705CN706CN707CN708CN711CN712CN7132D1C1C2D1D3C3D3C3D1D2D2D4B2C3B3A2B4D3D2D5B5B3A3A2B3B1D2D1D2D2C1C1D4C4C4C4C4B4B3C2D3C2D2D2B6B6B7B7B7B7B7B8B8B8B7A7A8A8A6A6D7D7D6E7E7EABCDEF12345678R929R955R988R991R937R936R926R935R987R914R910R909R953R951R943R961R155R151R152R153R154R924R925R922R921R944R906R905JJJJR915R916R954R996R990R934R930R931123VR901(VOLUME)R923R918R957R919R969R933R967R993R986R939R960R911R976R952R928R938R904R903R902R511R509R510R946R908R950R945R962R949R158R907R913R959R958R975R932JJJJJJJJJJJJR956R995R942R968R965R997R966R941R984R912D956(TRI-AMPLIFIER)D951S913J151413121110987654321W902BJJJJJJJJJC902C931C915C903D903C961C901C922C920C928C913D961Q961BCEQ902E C BD906D901D902C921C926C905C912C924C917C157C152C153C160C156C510C509C395C396C923C155C154C908C907C925C909C904C911C91015141312111098765421W901B3D973D934D933D915D904D974D907D905JL901L902L153L151L152JS915(RDSDISP MODE-PTY)S914(RDSDISP MODE-PS)S907(SET)S906(TUNING MODE)S905(FM AUTO/MONO)S903(CLOCK/TIMER,DEMO)S902(MODE)S904( PLAY/ REC)S908(INPUT SELECTOR) S909 (6CH DISCRETE INPUT)S912(TUNER BAND)JJJJJJJJJJJJ15101520253035404550556031516575708081859095100IC901Q901BCE321X901JJJX902125678910111213141516171819202122232425262728293031323334353637383940414243444546474849505354FL901C914C916C918JJJJR901R963R964R512JJJJC158C159C151C919C927Z901(SENSOR)321X151IC1511510111520D151D954Q912E C BQ911E C BJK903(PHONES)8127435W905TPOPERATION P.C.B.A(REP2964A-M)DIGITALS.WOOFERS911(TUNING )S910(TUNING )S901( / )D306( )ELECTRICAL PARTS LOCATIONOPERATION P.C.B.ARef. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.IC151IC901Q901Q902Q911Q912Q961D151D306D901D902D903D904D905D906D907D915D933D934D951D954D956D961D973D974VR901L151L152L153L901L902Z901X151X901X902FL901S901S902S903S904S905S906S907S908S909S910S911S912S913S914S915JK903W901BW902BW905R151R152R153R154R155R158R509R510R511R512R901R902R903R904R905R906R907R908R909R910R911R912R913R914R915R916R918R919R921R922R923R924R925R926R928R929R930R931R932R933R934R935R936R937R938R939R941R942R943R944R945R946R949R950R951R952R953R954R955R956R957R958R959R960R961R962R963R964R965R966R967R968R969R975R976R984R986R987R988R990R991R993R995R996R997C151C152C153C154C155C156C157C158C159C160C395C396C509C510C901C902C903C904C905C907C908C909C910C911C912C913C914C915C916C917C918C919C920C921C922C923C924C925C926C927C928C931C9617C4C5B3C7B7B2C6C8B3C3C2B5B3B2C6C4B4C4C2C7B1C2C3C6B1B6C7C5C4C4B7C7B5B6B6C8B7B7B8B6B6A6A5B6B5A4A4B2C4A3A7A3D2D8A6C6C7C7D6D6C8B8A7B8A7B7B7B7B6A6A5B6B5A5A4B2C3A4B4B3A2B2B6B6B1C6C6C3B6B2B2B2B2B3C2B3B3B3B7B4C2C2C5C6B6C6B6C6C5C5B5B3B2B2B2B3B3C4C6C6C8B8B3C3C2C2C3C3C5B1C3C3B2B3C2B3C2C3C3C7C7C7C7C7C7B7B7B7B7C7B7B8B8A4B2C3B5C4B6C5C5C5B5B5B3B5B2B6B6B6B7C3C3C3C8A6B5B3B7C3C3C2CABCDEF1234567810987654321CN781D607R635R626R629R712R707R766R669R670R702JJJJR708R719R230R598R597JJJJJJJJJJJJJJJ151413121110987654321W902AJJJJJJJJJJJJJJJ

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