Technics-SAEH570-rec-sch 维修电路原理图.pdf

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1、BMAIN P.C.B.AOPERATION P.C.B.W902B14.215.1W901B14.215.1W902A1 . . . . . . 152 . . . . . 141. . . . . . . .10CN7812 . . . . . 141 . . . . . . 15W901A2 . . . . . . . . 201 . . . . . . . . 19W501To SOUND PROCESSOR1 . . 4W722A1. . . . . . . .10W721A8.1CP602SPEAKERSCPOWER SUPPLY P.C.B.W701B1. . . . . . .

2、 .10T702(Power transformer)DAC IN P.C.B.W1W2/W31.8CN602AC INEPOWERTRANSFORMER(A) P.C.B.1 . . 4W722B1. . . . . . . .10T701(Power transformer)W721BW3W2W1For E,EG,EPareas.For EBarea.FPOWERTRANSFORMER(B) P.C.B.1.11CP101Z120TUNERUNITBROWNBLUERadioFans.CN 收音机爱 好者资料库ABCDEF12345678OPERATION P.C.B.AVR901(VOL

3、UME)C902C928C922C920R929R988R991R934R937R930R931R918R957R919R932R956R987C915D906JJJJJJJJJJJJJJJJJJR995R912W902B151311975311412108642S913D951W901B151311975311412108642D902D901JR926R993R958R969R959R997R996R990R936R935R999R954C921C903D973R939R960R986JJJJJJC926C905D933D905JL901L902JJC901FL90112567891011

4、1213141516171819202122232425262728293031323334353637383940414243444546474849505354L153JJJR15515101520253035404550556031516575708081859095100IC901R953R951R943R961R924R925R922R921JJJR952R976R928R950R945R962R949C912C908C907C925C909C904C911C910D907JJJJJ321X901JJX902C914C916C918BCEQ901R151R152R153R154L15

5、2R158C152C153C154L151JC919C151C927Z901(SENSOR)D151C160C155C156X151IC1511589101615C157C159R944R946C924C917D974C158S901( / )D306( )R901JS904( PLAY/ REC)R904R157R903R902S902(CLOCK/TIMER)C923JK903(PHONES)2143567W905C395C396JR906R905S907(SET)S906(TUNING MODE)S905(FM AUTO/MONO)S903(DEMO)JJJJJR910R909R907S

6、908(INPUTSELECTOR)S910(TUNING )D904R911R994S912(TUNER/BAND)JS911(TUNING )R914R915R916R913JS915(RDSDISP MODEPTY)S914(RDSDISP MODEPS)JDIGITALS.WOOFERD954( PLAY/ REC)321123REP3115D-M . E,EG,EPREP3115E-M . EBPOWER SUPPLY P.C.B.CBCEQ701BCEQ702BCEQ711BCEQ725E C BQ705R725R723C719C717C710C720W701BD723C718C7

7、22C734R720R724R768R749R765D758D739D738JD730J10987654321REP3115D-M . E,EG,EPREP3115E-M . EBRadioFans.CN 收音机爱 好者资料库ABCDEF12345678MAIN P.C.B.B10987654321D607R635R719JJW902AJJJJJJJ151311975311412108642C664C725JJJJJJJJJJJJJJJJR230C740C733C735R764R763D737BCEQ723W901AW50120181614121086421917151311975311513

8、11975311412108642R694R696R695JJJJJJD657D659C705D611BCEQ612JJJJJJJJJJJJC737C706R707R776R738R739R708E C B Q708E C B Q709ECBQ707D721C707C708C509C510C714C731C741D720D719D718D705D717C715C602C656C655C554C622C551C553E C BQ609E C BQ610E C BQ554E C BQ607E C BQ608E C BQ606E C BQ555BCEQ602BCEQ551BCEQ503BCEQ601

9、JJJ1234567891011CP101E602R605R606R617R618R684R604R603R686R685R601R602JJJJJJJJJJJJJJJJJR693R692R564R229R628R688R687R512R511R509R727R510R563R558R607R608R553R598R597R570R561R591R559R557D555D552D757D658D551D756C550C647JJJJJJE C BQ710C721R572R544R610R624R638JJC604C608C603C607C649C650C612R627C613R555C614C

10、723C552C648C619C611C724R621R552R551R609R637R769R721R722R648R647R767R622R556R623R554R548R797R729JJC616C617C618JD558JJD725IC6012625242322212019181716151413121110987654321JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJW721AW722A109876543214321JJJC709C761D755D754D761D753D702D704D752D701D751D703D601D602C704C701C703C702JJ

11、JJJJJJJJJJJJJJE601L602L601L605L606C639C637C635C636C632JK601JK6021 2 3 4CP6025 6 7 8JJJC626C620C630C621C631C642R651R642R652R650R649R639R641R640C627C629C628C732C641C640To SOUND PROCESSORLF(8 )HF(6 )LF(8 )HF(6 )CN781NRchLchSPEAKERSR672R671R675R673R674C673BCEQ671BCEQ672BCEQ673D673D671D672C672C671REP3115

12、D-M . E,EG,EPREP3115E-M . EBABCDEF12345678JK701L701FC1FC2F1 T2AZ701C791RL70212431234CN601567891011121234CN6025678T702(Power transformer)R794R773R774R795R771R772R712E C BQ791E C BQ726D500D711D746D740JJC754C758D745C759R777D742D743D741D744JJJJJJJC755C753C634W1W2/W3D747AC IN P.C.B.DAC IN230V 50Hz . E,EG

13、,EP230-240V 50Hz . EBREP3116D-S . E,EG,EPREP3116E-S . EBPOWER TRANSFORMER (A) P.C.B. EW722BW721B123456789101234R793CN710CN709CN708CN707CN706CN705CN704CN703CN702CN701R792R791JPOWER TRANSFORMER (B) P.C.B. FCN711CN713CN712W1W2W3JJJJJJT701(Power transformer)REP3116D-S . E,EG,EPREP3116E-S . EBREP3115D-M

14、. E,EG,EPREP3115E-M . EBS904(PLAY/REC)SCHEMATIC DIAGRAM-1FL901 (A2BB00000084)1754632TSS908(INPUT SELECTOR)S907(SET)S906(TUNING MODE)S905(FM AUTO/MONO)JK9033.5mm PHONESR997150R996150D973MA4030MTAC9211000PC92235V33C92050V4.7R92210KR92110KR9442.2KR9124.7KR9113.3KR9102.2KR9091.8KR9161.5KR9151.2KR9141KR9

15、13820R9073.3KR9062.2KR9051.8KR9041.5KR9031.2KR9021KR901820FL DISPLAY16810 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 5053 542579W905S901(/ )C92850V4.7NOTE:The number which noted at the connectors on the schematic diagram asSCH

16、EMATIC DIAGRAM-1 or SCHEMATIC DIAGRAM-2indicates the schematic diagram serial number located on the left corner in the schematic diagram.AOPERATION CIRCUITC91950V4.7C92750V4.7C3960.047C9230.1C3950.047D974MA165TAC907470PC9240.1C9040.01R9241KC908470PR9251KS914(PS)S915(PTY)S910(TUNING,)S911(TUNING,)S91

17、2(TUNER/ BAND)S913(DIGITALS.WOOFER)(RDS DISP MODE)A B C DEF G HIJKL M N O P Q R S T UXWVABCDEFGHIJKLMNOPQRSTUVWXYZS902(CLOCK/ TIMER)S903(-DEMO):AUDIO SIGNAL LINESCHEMATIC DIAGRAM-2IC901C2BBFD000297SYSTEM CONTROL/FL DRIVECBAQ901UN4212TARESETR936100R91915KR99147KR91810KR92847KL9021HD9011SS291TAL90110H

18、R951330KR95210MABCDEFGHIJKLMNOPQRSTUVWXYZR993100KD933MA165TAR990100KC9166.3V100D951LNJ301MPUJAD(DIGITAL S.WOOFER)R995220D954SELS5923C(PLAY/REC)R9861.5KD306SELS5223C()R9391.5KC9051000PC9016.3V100R935100R934100R9881KR93710KR9871KR9262.2KC9120.1R954100KC9261000PR9601.5KR9581KR999100KR95947R9692.7KD9021

19、SS291TAC9030.01C90210V1000X902(32.7kHz)C91118PC91020PX901(6MHz)132D9051SS291TAEFIKLNOQR9291KR9301KR9321KR9311KR976100KR9561KR9571KC9150.01C9251000PR953100ABCDHJC91450V2.2D904MA165TAABCDEA B C D E F G HIJKL M N O P Q R S TU V W X111212122231323414245152561626717278182891929102030313233343536373839404

20、142434445464748495051525354555657585960616263646566676869707172737475767778798081 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99100-VPP13P14P15P16P17P18P19P20P21P22P23P24P25P26P27P28P29P30P31P32VDD4P33P34P35P36P37P38REGIN0REGIN18GREMOCONRDS DATARDS CLKHP SWMIC DETVR JOGAVR JOGBNC(GND)SH REQKE

21、Y KARAOKEKEY TUVDD1XC OUTXC INVssX OUTX INRESETAC INSEL/ TUNERSEL TUNERST/ AV.6CHLC72 CKLC72 DI/ STLC72 CELC72 DOCHECKSTAND-BYTIMERS.W.LEDLOUNGECHORUSMUTENCPOWERVss2VDD2MUTE2NCMUTE3SHCSSHDOSHDISHCKE DETCR TIMERSDVDD3P12P11P10P9P8P7P6P5P4P3P2P11G2G3G4G5G6G7GR994100KUR9494.7KR950100: POSITIVE VOLTAGE

22、LINE: NEGATIVE VOLTAGE LINE5.1V5.1V2V/2ms.DIV.5V0V5V0VT10ms.2V/2ms.DIV.0V5V6V-30.1V-30.1V-29.3V-29.3V-29.3V-26.3V-20.5V-29.3V-29.3V-29.3V-23.5V-20.5V-23.4V-23.4V-23.7V-20.7V-29.6V-29.6V-29.6V-23.7V-26.6V-26.5V5.1V-29.5V-29.5V-26.5V-17.2V-5.3V-10.3V0.4V0V-23.4V-20.5V-26.3V-26.3V5.1V-23.4V-20.5V-26.2V

23、-29.2V-26.2V-26.2V-26.1V-26.3V-23.5V-23.5V-25.6V-27.5V-27.5V-25.5V-23.5V-25.6V5.1V2.6V2.6V0.6V5.1V0V0V1.4V5.1V5.1V5.1V2.3V2.3V2.7V1.6V5V2.2V0V5.1V4.6V0V0V2.5V0V5V0V5.1V3.3V1.9V1.9V1.4V5.1V5.1V4.8V0V0V0V0V0V0VFM / AM-30V4VT5.5ms.0V0V4VT5.5ms.-30VFM / AM3.3VP-PF=6MHzFM / AM4.2VP-PF=6MHzFM / AM5.2VP-PF

24、=32.7kHzFM / AM5.2VP-PF=32.7kHzFM / AM2VP-PF=32.7kHzFM / AMSCHEMATIC DIAGRAM-3W901BW902BIC151C1BB00000527RDS SIGNALDEMODULATOR123X151R1581KR154100KR153100K123456789101112131415BACOM123456789101112131415A B C12345678910111213141516VREFHPX INVDDAVssAFL OUTC INTESTX OUTIDRRDCLRDDARSTMODEVDDBVssBX INR96

25、222KVR901EVQVBXFK124B(VOLUME)R945100R96122KR943100C9170.01C1551000PC1531000PC1601000PC1596.3V47R1521KR1511KC154560PC1586.3V47C15116V10D907MA165TABCR9461KC9091000PC9186.3V100DEAL1531HR155120D151MA4051MTAL151100HL152100HC15647PC15747PABCDEFHIJKLNOQSTAOPERATION CIRCUITD906MA165TAU123Z901B3RAD0000028(RE

26、MOTE SENSOR)R1571KC152330P: POSITIVE VOLTAGE LINE: NEGATIVE VOLTAGE LINE-30.1V5.1V:AUDIO SIGNAL LINE6V2.6V2.6V0V5.1V2.5V2.7V2.5V2.5V5.1V2.5V2.5VSCHEMATIC DIAGRAM-4W902AW901ACP101CFGBAEDDETRch INCELch INDIDOCL+B(2)SD+B(1)T.GNDQ7072SB1417PQTAREGULATORQ7232SC3940AQSTAREGULATORR7634.7KR2301KR2291KD721MA

27、4300MTAR7084.7KC7070.047C70635V10R7074.7ToSOUNDPROCESSOR(SH-EH770)To TUNER UINTon SCHEMATICDIAGRAM-9C7350.047BAR5632.7KR5642.7KC60216V10C7080.047Q6062SD2144STAMUTINGR6174.7K21345678910112153456789101112131412153456789101112131412021345678910111213141516171819KLMIJCDEFGEFGABABR5982.2KR5972.2KBC5090.0

28、1C5100.01R6931KR6921KC66416V10C72516V47AR69647KQ609,6102SD2144STAMUTINGQ609Q610Q612UN411FTAMUTING CONT.BR69422KR51147R50947R51247 R51047W501D719RL1N4003N02D720RL1N4003N02D717RL1N4003N02D718RL1N4003N02HDCR695470D611MA4051MTAC74016V10C7330.047D737MA4082LTAR764330MAIN CIRCUITBC7311000PC7410.1TUNER Lch/

29、CTUNER RchA.GNDLch INRch IN+B(10V)SUR LSUR RS.WMIC-B(-10V)V.GNDD.GNDCS/ REQCLKDATACT GNDSH FL1SH FL2SYNCR6033.3KABBR6841KAC7154700C7141000PD705RL1N4003N02AC65516V10R6054.7KR6871.5KR6013.3KC65616V10R6064.7KR6881.5KR6023.3KC737100: POSITIVE VOLTAGE LINE: NEGATIVE VOLTAGE LINE: FM SIGNAL LINE: AM SIGNA

30、L LINE14.7V10.4V-37.3V-30.1V-30.7V14.7V7.2V7.8V-10V-10V0V0V-10.2V5.1V4.9V0V-10V:AUDIO SIGNAL LINE6V7.2V7.6V-10.4VSCHEMATIC DIAGRAM-5MQ708UN4211TASWITCHING(POWER)Q601Q602D756MA700ATAC603470PC604470PC607470PC608470PC6491000PC6501000PC6481000PR63715KR63868KR622120KR621150KR610150KR609150KR60856KR60756K

31、C61215PC61115PC61447PC61347PR627470KC61650V0.47ND601SB360L6508D602SB360L6508R62822KD754RL1N4003N02C7610.1D7011N5402BM21IC601RSN311W64BPOWER AMPD757MA700ATA1234567891011121314151819202122232425261617R6043.3KR6184.7KQ601,6022SC5398RSTAPROTECTORD6071SS291TALKD658MA165TAD657MA165TABAC7050.01GR77610KQ709

32、2SD2144STASWITCHING(POWER)R7383.9KR73947KC62210V100D659MA165TAD7511N5402BM21D7031N5402BM21D753RL1N4003N02D761RL1N4003N02D755RL1N4003N02D7521N5402BM21D7021N5402BM21D7041N5402BM21GFEDA BCD558MA165TAR54410KR57215KR6482.2R6472.2C6180.01R6352.2KC6190.1Q5032SC5398RSTASWITCHINGC7043300C7024700C7033300C7014

33、700C7090.1C6170.01R67556.2KR67453.6KC673100V1R6712.7KC6710.1R6722.7KC6720.1R673330D673MA4180LTAD672D671,672MA4140MTAD671Q6712SD1859QRTV2REGULATORQ6722SD1859QRTV2ATTENUATORQ6732SB14170JAREGULATORR623120KR624120K: POSITIVE VOLTAGE LINE: NEGATIVE VOLTAGE LINE:AUDIO SIGNAL LINE1.5V7.6V-10.4V0V0V59.5V-59

34、.5V0V28.9V-29.3V0V0V0V-0.2V29.4V-29.7V54.1V-51.4V0V0V0V0V0V0V5.1V5.1V0V0V0.7V0V0V2.1V14.7VSCHEMATIC DIAGRAM-6CN781CABDQ5512SA1995RSTASIGNAL LEVEL DET.Q5542SA1995RSTASIGNAL LEVEL DET.Q5552SD2144STASIGNAL LEVEL DET.Q7102SC3940AQSTAREGULATORQ7022SB1548PQAUREGULATORQ7252SC5398RSTASTABILIZERQ7112SB1548PQ

35、AUREGULATORQ7052SA1995RSTASTABILIZERQ7012SD2374PQAUREGULATORC5520.01R5594.7KR5702.2MR5914.7KR556100KC55150V2.2D551MA165TAR55710KR5481KR561100KR5581KC55410V220R7193.3KC72110V100D725MA4082LTAR729220C7230.047R7273.9KC6391000PC6401000PC6411000PC6421000PC7320.022C6471000PD738MA165TAD730MA4091HTAR768100R7

36、243.9KC71816V100D723MA4150HTAR7235.6KC7190.047R72510C7240.047C7100.047R55168KR55268KR5533.9KR5543.9KR5551.5KC55350V0.47C5500.01D552MA165TAD555MA4100MTAR7970E602E601R7491KD739MA165TAPOWER SUPPLY CIRCUITC11032456789W701B11032456789R7203.9KC73450V3.3D758MA165TAC72216V100C7200.047C71716V33W722AW721A2134

37、56789102134EFHDCGFEDLchJK601HF(6)LF(8)RchJK602HF(6)LF(8)ABDR65110C6270.1C6290.1C6350.047R64910L605R64210C6200.1C6300.1R64010L602C6370.047C6360.047R65210C6260.1C6280.1R65010L606C6320.047MAIN CIRCUITBBR7214.7R7222.2AR765220R7674.7R7690SPEAKERSL601R63910C6210.1R64110C6310.121345678CP602ABIJCC: POSITIVE

38、 VOLTAGE LINE: NEGATIVE VOLTAGE LINE29.2V:AUDIO SIGNAL LINE29.2V14.7V15.2V-30.1V-11V-10.4V-11V-0.6V14.1V13.6V9.6V10.2V10.4V-10.4V14.7V30.1V8.1V7.6V7.6V7V0V7.6V0.3V-10.4V-10.4V-10.4V7.6VSCHEMATIC DIAGRAM-7CADBT701CN701CN702CN703CN704CN705CN706CN707CN708CN709CN710For E,EG areas.For EB area.R7931AC INJ

39、K701L701F1 T2AT702Z701C7911000P3124RL702R79447KQ7912SD2144STARELAY DRIVED745MA4051MTAC7530.01C7551000Q7262SC3940AQSTAREGULATORD746RL1N4003N02D747MA4068LTAC7580.01C75910V47C7540.01D500MA165TAW2/W3W1CN602R791RSFMB40KT-LDAC IN CIRCUIT21345678R7771KR77418D711RL1N4003N02R77318R7953.9KD743RL1N4003N02D741R

40、L1N4003N02D742RL1N4003N02D744RL1N4003N02R7712.2KD740MA165TAPOWERTRANSFORMER(B)CIRCUITFPOWER TRANSFORMER(A) CIRCUITEW722BW721B10213456789CN713CN712CN711W1W3W22134R77222K230V 50HzE,EG230-240V 50HzEBABCDR792RSFMB40KT-LA B C DACBDR7122.2K: POSITIVE VOLTAGE LINE: NEGATIVE VOLTAGE LINE0.7V0V6V10.7V6V6.7VA

41、C22.6VAC22.6VAC11.7VAC11.7VAC4.7VAC29.2VAC9.4V1234567891020191817161514131211X INCEDICLDOB01B02B03B04I01IF INI02AM INFM INVDDPDA INA OUTVssX OUT10K0.047100K5 12P1000PABCD0.58 H39022027K100P0.015601K4.7DZS5.1B10K27P 33P27P7.2MHz22K100K1001000P1000P10K1K3.3K10K1K1K1K470ABCD225.6K0.01ABCDEFLC72131MPLL

42、FREQUENCYSYNTHESIZERAM ANTEXTLOOPFM ANT(75)SCHEMATIC DIAGRAM-81000.011002SC2413BUFFER AMP2SK360FM OSC2SK360RF AMP22P15P22P0.0222.7K47P33K100K2P8P10K10K33K33K100K0.02210027P2P4P10K2200.0220.0221505P18P27P2SC2059FM MIXER0.47H0.47H10P 33P330P 580P1P 5P680 2.2K0 2201H820K 2.2M0.0226801000P3301P 5P6P 10P

43、6 2205P5P 12P0 5P100KZ120 TUNER UNIT(RAN0005EM-2):POSITIVE VOLTAGE LINE:FM SIGNAL LINE:FM OSC SIGNAL LINE:AM SIGNAL LINE:AM OSC SIGNAL LINECB242322212019181716151413123456789101112FM IF INAM MIX OUTREGAM IF INGNDSDSTFM DETVccSTRQFM/AMMONOAM OSC OUTAM OSCAFCAM RF INAGCAM OUTDET OUTPILOT INMPX INPILOT

44、 OUTRch OUTLch OUTB ADFCE4702.7K1680.11000P4700.015 150AB1221000.01811K100K4700PBA4700P100K1K10.0181000P 0.01150P68K0.11022K4.74.747K1000P3.3ADBC10K0.013301000PLA1833MNFM/AM IF AMP,DET/AM OSC,MIX/FM MPXABBADA2SC2712SWITCHING3.3K2SC2413FM IF AMP2SC2413FM IF AMP330SCHEMATIC DIAGRAM-911132456789101K 10

45、K4704.7K 22K0.0220.1DTA114POWER SUPPLY(FM:ON)1K 10K100P 1000P0.01 0.06810K 100K1K 10K270 680270K 680K10P 39P270K 680KCLDODILch OUTCERch OUTDET+B(2)SD+B(1)T.GNDToMAIN CIRCUIT(CP101)on SCHEMATIC DIAGRAM-4B10.47:POSITIVE VOLTAGE LINE:FM SIGNAL LINE:AM SIGNAL LINE:AM OSC SIGNAL LINEC1BB000005272SC3327AU

46、N411FTAUN4211TAUN4212TAECBMA4091HTAMA4100MTAMA4140MMA4150MTAMA4180LMA4300MTAC2BBFD000297.50511.3031100.8081RSN309W44B1.262SC3940AQSTAECB2SB1548PQAU2SD2374PQAUCBE1N5402BFRL1N4003N02ACaAnodeCathodeSB360L6508ACaAnodeCathode2SA1995RSTA2SC5398RSTAECBMA4030MTAMA4051MTAMA4068LTAMA4082LTALNJ301MPUJADAAnodeCathodeSELS5223CSELS5923CACaAnodeCathode2SB1417PQTACBECa189161SS291TAMA700ATAACaAnodeCathodeACaMA165TAAnodeCathodeACaAnodeCathode2SD1859QRTV2ECBACaAnodeCathode