Technics-SAEH760-rec-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 ind

2、icatorlights 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 butt

3、on (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 SELECTORTUNE

4、R/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.

5、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

6、, 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/tap

7、e 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 PUMPCE23DI4CLD0598

8、710BO4BO3IO115VDD16PDIFIN11BO21/21413FM 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 IFINAMOSCOUTAFC

9、AMOSCAM RFINAGCAMOUTDETOUTPILOTINMPXINPILOTOUTLch14Rch1718AINAOUTAMANTCOILAMOSCCOILAM ANT+B2STRQAM IFINAMMIXOUTRchIFT+B(FM)+B(FM)+B(FM)FM:ONDETCE1DATA1CLK1DATA INZ120 TUNER UNIT (RAN0005EM)REFERENCEDIVIDERSWALLOW COUNTER1/6,1/17 4BIT12 BITPROGRAMMABLEDIVIDERDATA SHIFTREGISTER LATCHUNIVERSALCOUNTERFr

10、om 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 DRIVERch

11、94SH CS97SH CK9596SH DOSH DISYNC100SD21SH REQSW CONT.12X0X114ABC11109G8213BU4053BCFE2IC201SIGNAL SELECTOR115Y1Y0VDD16+B5VSS7-B39SEL/TUNERSDLC72721NMTLMIC151RDS SIGNALDEMODULATORVR901(VOLUME)2423VR JOGAVR JOGBLC8A524A5N28IC901SYSTEM CONTROL / FL DRIVE29REMO-CONZ901REMOTESENSOR+B917G3137P1354045,47505

12、271,7377FL901FL 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)10112014198724,123,1

13、3+B2156161791518X151REGIN11617X901(6MHz)XC INXC OUT1314X902(32.7kHz)X INX OUTCRTTIMERD90399ANTIALIASINGFILTERSMOOTHINGFILTERREFERENCEVOLTAGEDATADECODER79MUTINGQ607(Q608)MUTINGQ606MUTINGQ60588MUTE2MUTE2SURROUNDSPEAKERSCENTERSPEAKERS(8 )SPEAKERSR chHEADPHONESKEYSWITCH(S901915)1920KEY TUKEYKARAOKEQ901,

14、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-VP85

15、MUTED906SWITCH-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-B

16、3Q702,705Z701RLY702Q791POWERTRANSFORMERT702D741744RL701-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-INGREGULATORREGULATORR

17、EGULATORRELAYDRIVERELAYDRIVE+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.ABCDEF12345678R929R955R988R991R937R936R926R935R987R914R910R909R953R951R943R961R155R151R15

18、2R153R154R924R925R922R921R944R906R905JJJJR915R916R954R996R990R934R930R931123VR901(VOLUME)R923R918R957R919R969R933R967R993R986R939R960R911R976R952R928R938R904R903R902R511R509R510R946R908R950R945R962R949R158R907R913R959R958R975R932JJJJJJJJJJJJR956R995R942R968R965R997R966R941R984R912D956(TRI-AMPLIFIER)

19、D951S913J151413121110987654321W902BJJJJJJJJJC902C931C915C903D903C961C901C922C920C928C913D961Q961BCEQ902E C BD906D901D902C921C926C905C912C924C917C157C152C153C160C156C510C509C395C396C923C155C154C908C907C925C909C904C911C91015141312111098765421W901B3D973D934D933D915D904D974D907D905JL901L902L153L151L152J

20、S915(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)JJJJJJJJJJJJ15101520253035404550556031516575708081859095100IC901Q901BCE321X901JJJX902125678910111213141

21、516171819202122232425262728293031323334353637383940414243444546474849505354FL901C914C916C918JJJJR901R963R964R512JJJJC158C159C151C919C927Z901(SENSOR)321X151IC1511510111520D151D954Q912E C BQ911E C BJK903(PHONES)8127435W905TPOPERATION P.C.B.A(REP2964A-M)DIGITALS.WOOFERS911(TUNING )S910(TUNING )S901( /

22、)D306( )ELECTRICAL PARTS LOCATIONOPERATION P.C.B.ARef. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.IC151IC901Q901Q902Q911Q912Q961D151D306D901D902D903D904D905D906D907D915D933D934D951D954D956D961D973D974VR901L151L152L153L901L902Z901X151X901X902FL901S901S902S903S904S905S906S907S908S909S910S911S912S913S914S

23、915JK903W901BW902BW905R151R152R153R154R155R158R509R510R511R512R901R902R903R904R905R906R907R908R909R910R911R912R913R914R915R916R918R919R921R922R923R924R925R926R928R929R930R931R932R933R934R935R936R937R938R939R941R942R943R944R945R946R949R950R951R952R953R954R955R956R957R958R959R960R961R962R963R964R965R9

24、66R967R968R969R975R976R984R986R987R988R990R991R993R995R996R997C151C152C153C154C155C156C157C158C159C160C395C396C509C510C901C902C903C904C905C907C908C909C910C911C912C913C914C915C916C917C918C919C920C921C922C923C924C925C926C927C928C931C9617C4C5B3C7B7B2C6C8B3C3C2B5B3B2C6C4B4C4C2C7B1C2C3C6B1B6C7C5C4C4B7C7B

25、5B6B6C8B7B7B8B6B6A6A5B6B5A4A4B2C4A3A7A3D2D8A6C6C7C7D6D6C8B8A7B8A7B7B7B7B6A6A5B6B5A5A4B2C3A4B4B3A2B2B6B6B1C6C6C3B6B2B2B2B2B3C2B3B3B3B7B4C2C2C5C6B6C6B6C6C5C5B5B3B2B2B2B3B3C4C6C6C8B8B3C3C2C2C3C3C5B1C3C3B2B3C2B3C2C3C3C7C7C7C7C7C7B7B7B7B7C7B7B8B8A4B2C3B5C4B6C5C5C5B5B5B3B5B2B6B6B6B7C3C3C3C8A6B5B3B7C3C3C2C

26、ABCDEF1234567810987654321CN781D607R635R626R629R712R707R766R669R670R702JJJJR708R719R230R598R597JJJJJJJJJJJJJJJ151413121110987654321W902AJJJJJJJJJJJJJJJJJJJJE C BQ723C740C733R764R763R564R563R570R559R555R687R628R604R603R605R606R617R618R684R683R688R729R553R607R572R571R544R637R767JR722R721JR623R548R649R6

27、50R624R608R739R704R703R638R797R738R776JR556R727R621R552R551R631R632R609R611R647R640R643R705R644R652R639R645R641R651R646JR642R627R610R648R619R691R612R620R546R547R554R614JJR615R686R685JR601R602R622R557R558R591R202JJJJJJJJJJJJJJJJJJJJJJJJJJJD737D659D657C705151413121110987654321W901A15141312111098765432

28、1W5011617181920JJJJJJJJJJJJJJJJJJJJJJJJJJC737C706C564D721C708C202C201C550C552C724C709C619C613C614C723C647C608C607C611C609C616C612C617C618C648C605C606C610C604C603C649C620C632C650C707C714C731C741C761B C EQ7071589101516IC201C554C551C553C721C660C622C659C601C602C7351234567891011CP101R203R204R211R229R561D

29、757D555D551D558D736D753D749D756D658D563D715D718D717D755D761D705D754D613D614D719D720D552E C BQ555E C BQ554E C BQ558E C BQ708E C BQ709E C BQ706E C BQ503D201D725ECBQ551BCEQ703E602ECBQ607ECBQ602ECBQ601ECBQ606ECBQ605ECBQ6082625242322212019181716151413121110987654321IC601JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ

30、JD602D601E601JJJD703D704D702D752D701D751RL701C715123456789101234W721W722652143C702C703C701C704JJJJJJJJC642C641C639C732C625C627C624C626C640C621RL6021845673218456732RL605ECBQ617ECBQ618R672R667R668R6751 2 3 4CP6031 2 3 4CP6025 6 7 81 2 3 4CP6015 6 7 8 9101112JC631C635C637C666C636JK601JK602MAIN P.C.B.B(

31、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.

32、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.CQ701Q702Q705Q711IC201IC601Q503Q551Q554Q555Q558Q601Q602Q605Q606Q607Q608Q617Q618Q703Q706Q707Q708Q709Q723D201D551

33、D552D555D558D563D601D602D607D613D614D657RL701CN781CP101CP601CP602CP603JK601JK602E601E602W501W721W722W901AW902AR202R203R204R211R229R230R544R546R547R548R551R552R553R554R555R556R557R558R627R628R629R631R632R635R637R638R639R640R641R642R643R644R645R646R647R648R649R650R651R652R667R668R669R670R672R675R683R6

34、84R685R686R687C604C605C606C607C608C609C610C611C612C613C614C616C617C618C619C620C621C622C624C625C626C627C631C632C635C636C637C639C640C641C642C647C648D658D659D701D702D703D704D705D715D717D718D719D720D721D725D736D737D749D751D752D753D754D755D756D757D761L601L602L603L604L605L606RL602RL605R559R561R563R564R570

35、R571R572R591R597R598R601R602R603R604R605R606R607R608R609R610R611R612R614R615R617R618R619R620R621R622R623R624R626R688R691R702R703R704R705R707R708R712R719R721R722R727R729R738R739R763R764R766R767R776R797C201C202C550C551C552C553C554C564C601C602C603C649C650C659C660C666C701C702C703C704C705C706C707C708C709

36、C714C715C721C723C724C731C732C733C735C737C740C741C761R749R765R768R770D739D758D760W701BQ725D723D730D738R720R723R724R725C710C717C718C719C720C722C7342D5F3D2D2D3D3D2E2E2E2E3E3E8C8C3D4D3C4D4D1B3D2E2D2D3D3D5E5E1B7D7D2B3D2B5D5C4D5C4C4C4C4C4C4C3C3E4D1C3E5D5C5D7C5C3D2D5C7E5E6D6D5D4D7E8D5C2B1D8E8D8C8E7E7E3E2C5

37、C5C3C2B3D2D2D3D2D2C3D4E4E4E3E3E3E4E3E2E2D2D2D2D2C2C2D3D3D2D2C2C3E3E3E3E2E2E3E3E4E4E4E4E3E3E2E2E4E4E3E3E4E4E3B4E3E3B3E3E2B3D3D6E5E7D5E6D6D6D7D4E4E4D4D7D7E8C8C7C7C8C7C2E2E2E2E3E3E4E7C5D5D5D4C4C2B2B4D4D3E3E3D4D1C1C4C3D3D3D3D3C2D2D2D2E2D3D2C2D3E3E4E4E3E3E4E4E4E3E3E3E4E4E4E3D6E7D3E7E7D7E7D8E7E8E7E8E7D7D8

38、D7D3E4E4E4E3E3E7E7C6C6C6C2B3C4C3C3D4C4C3E3D3D4C7D1C1D4C1C5C6C2I2I2I2I2I2I3I3I2I3I2I2I2I2I2I1I2I3I2I2I2I2I2I2I2I2I2IABCDEF12345678RL702T702(Power transformer)R794R773R774R777R795R771R772E C BQ791E C BQ726D500D711D746D742D744D741D743D740JJJJJC754C758D745D747C7591234CN6031234CN60256781234CN601567891011

39、12JJJJJJJJC755C753C651C646C643C645C644C652JK603JK701JJJJL701FC1FC2F1 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

40、(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.DQ726Q791D500D711D740D741D742D743D744D745D74

41、6D747L701T702Z701F1RL702CN601CN602CN603JK603JK701FC1W1W2W3CN709CN710W721W722R791R792R793FC2W1W2/W3R771R772R773R774R777R794R795C643C644C645C646C651C652C753C754C755C758C759C791CN701CN702CN703CN704CN705CN706CN707CN708CN711CN712CN7132D1C1C2D1D3C3D3C3D1D2D2D4B2C3B3A2B4D3D2D5B5B3A3A2B3B1D2D1D2D2C1C1D4C4C4

42、C4C4B4B3C2D3C2D2D2B6B6B7B7B7B7B7B8B8B8B7A7A8A8A6A6D7D7D6E7E7EABCDEF12345678R929R955R988R991R937R936R926R935R987R914R910R909R953R951R943R961R155R151R152R153R154R924R925R922R921R944R906R905JJJJR915R916R954R996R990R934R930R931123VR901(VOLUME)R923R918R957R919R969R933R967R993R986R939R960R911R976R952R928R

43、938R904R903R902R511R509R510R946R908R950R945R962R949R158R907R913R959R958R975R932JJJJJJJJJJJJR956R995R942R968R965R997R966R941R984R912D956(TRI-AMPLIFIER)D951S913J151413121110987654321W902BJJJJJJJJJC902C931C915C903D903C961C901C922C920C928C913D961Q961BCEQ902E C BD906D901D902C921C926C905C912C924C917C157C1

44、52C153C160C156C510C509C395C396C923C155C154C908C907C925C909C904C911C91015141312111098765421W901B3D973D934D933D915D904D974D907D905JL901L902L153L151L152JS915(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 SELE

45、CTOR) S909 (6CH DISCRETE INPUT)S912(TUNER BAND)JJJJJJJJJJJJ15101520253035404550556031516575708081859095100IC901Q901BCE321X901JJJX902125678910111213141516171819202122232425262728293031323334353637383940414243444546474849505354FL901C914C916C918JJJJR901R963R964R512JJJJC158C159C151C919C927Z901(SENSOR)32

46、1X151IC1511510111520D151D954Q912E 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.IC151IC901Q901Q902Q911Q912Q961D151D306D901D902D903D904D

47、905D906D907D915D933D934D951D954D956D961D973D974VR901L151L152L153L901L902Z901X151X901X902FL901S901S902S903S904S905S906S907S908S909S910S911S912S913S914S915JK903W901BW902BW905R151R152R153R154R155R158R509R510R511R512R901R902R903R904R905R906R907R908R909R910R911R912R913R914R915R916R918R919R921R922R923R924

48、R925R926R928R929R930R931R932R933R934R935R936R937R938R939R941R942R943R944R945R946R949R950R951R952R953R954R955R956R957R958R959R960R961R962R963R964R965R966R967R968R969R975R976R984R986R987R988R990R991R993R995R996R997C151C152C153C154C155C156C157C158C159C160C395C396C509C510C901C902C903C904C905C907C908C909

49、C910C911C912C913C914C915C916C917C918C919C920C921C922C923C924C925C926C927C928C931C9617C4C5B3C7B7B2C6C8B3C3C2B5B3B2C6C4B4C4C2C7B1C2C3C6B1B6C7C5C4C4B7C7B5B6B6C8B7B7B8B6B6A6A5B6B5A4A4B2C4A3A7A3D2D8A6C6C7C7D6D6C8B8A7B8A7B7B7B7B6A6A5B6B5A5A4B2C3A4B4B3A2B2B6B6B1C6C6C3B6B2B2B2B2B3C2B3B3B3B7B4C2C2C5C6B6C6B6C

50、6C5C5B5B3B2B2B2B3B3C4C6C6C8B8B3C3C2C2C3C3C5B1C3C3B2B3C2B3C2C3C3C7C7C7C7C7C7B7B7B7B7C7B7B8B8A4B2C3B5C4B6C5C5C5B5B5B3B5B2B6B6B6B7C3C3C3C8A6B5B3B7C3C3C2CABCDEF1234567810987654321CN781D607R635R626R629R712R707R766R669R670R702JJJJR708R719R230R598R597JJJJJJJJJJJJJJJ151413121110987654321W902AJJJJJJJJJJJJJJJ