Sony-TC-K71-Schematic(1) 电路图 维修手册.pdf
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Sony-TC-K71-Schematic(1) 电路图 维修手册.pdf
4-4. SCHEMATICDIAGRAMAudioAmpSectionTCK71TC-K71 RECORD/PLAYBACK_BOARI - lIl2W)I I t6 0138 14 I f 1 5.6E 11/2W) II? IE(jIPHONI R137 I 3.9k I0136 I11/2 24 IIlk lC60lMSL935l LEOPEARPROGRAMMETER0410 ABC D EF G H DIOl1S1555ICIOICXl74 00180NOdEC 7 U TSRAMP IC)51-I cool IUO/I6VLtJ522k 01052SC200l OUTPUTSIGNALMUTING 010125A113801022SC1345 01032SA836 01042SC1364 PLAYBACK AMP TAPSSWITCHING R I0I 3/50V I C106Op 41/2*1 -P/C 0.027 LE0it HOP(HP) 0107 RI7L.!.LJ I RPF202-3602 0102 C112 2.7K 1R0 .ie.22/0j L-CHIRECORD/PLAYBACKBOARD) TAPESWITCHBOARD 1r TYPEITYPE0._.OYPE1U.TYPEW 1INORMIIC)OTIIFCIII)TALI I S3-3 L ROIl 22k CNJIO2. _ INLL) R18747kII/2W1(r/.l MICAMPBOARDQI25C1345 IC3OI;PC4560C MidAMPP11110AMP 1 LEJ C122 _ 77 icI.5- 031-.7V.01/ 47/IGV CI25 4.7/000 *33 () (I/3M) C124 OLGO96 lOGY R131 CI23 11/2*10.01K 1000 0130 8121) 0/24) II SiI I22kI1/2w 0)(7/.) lAf 8)33 lOOkSOLUCE 005 0135 I p (1)0)1 C127 IOU 1)147 15V 33k GIG? I/6V 22k L*146 0148 75k 22k 0(09 1 0(88 2.2kIl/OW CVIII) w4 0105 97 1 2 3 4 5 I03 TYPE)TYPETYPEm _ TYPEIV NORM)Cr02I IPeCr1 (METAL) IC102pPC4557C 01072SC13.,.1C103pPC455BC 0102105151555QIOB1092SC1364 HEADPHONEAMP I. B LOG AMP0,0. MElEEMUTING if TOPS 51-2 t. SOURCE METERBOARD 0601NI3TI06022SC1364 1.- SETPUlSEOSCPEAKHOLDRESET 01102SCZOOI RECOROMUTING HRPIHP( I 0PP202-3602A RCH -I P2GO) I-,.,. (/34 1) . C(36 I 001001,Dv0/DOLBYftrC132 30101077 r /47/160 CNJ3OIJ 10/ HRPIHRI RPP2OI-36O2A RVIO2 47k-B Q 0204 020) = L604 I 47/10V ON 1W1II 0698 0601j I I*101DI 060? oo !i.iJ oi _Jj7kC 10160 INi 1 CTIJZC2 _ TAPESWITCHBOARD I TAPESWITCHBOARD I?) E:0:204P_4_ _ _ Q5092SC136406102SA1026 06112SC13640503IS1555_.Z SWITCHINGSWITCHING / OWOARO HO1D I SWITCHBOARD QTO SYSTEMCONTROL 90680 5., Cr62402 lRl 8604k D6OI1S1555 0205 8235 lCI02) 0244 _ _ - (GAULAGVCH FR0MPEF.NO.400 L._ I- l4 0 Ri 0509 .e,p-v; + lOOk I _ 2O, _ 8309 1(5k 22k _ .C, HRP(HRI RPF2G23602A 0511 3803 ,PSOIBIASOSC- e 0CC -BT /CG0I 0 CONVERTER . qDlr DISPIAILJ .Q _ . /.ABATONj1 L Z -EF- ?61 3 OO3”) L 247oi L L - 03 1502 543l 4H3 509_ _- -. B ESTEMCONTROL BOARD COOS 470 160 C25220lOOp 050225041406042SC267606032SC458A 05012SK30A %01T.REG 40501.502 I HZ6BIL I. C506 470 60 TO SYSTEM CONIRDI. 80400 31 32 RadioFans.CN 收音机爱 好者资料库 II.I,I Note:Thecomponentsidentified arecriticalforsafety. partnumberspecified. Note:Lescomposantsidentifies parunetrameetune marquesontcritiquespourIascurit.Ne les remplacer quepar unepiceportantlenumro spcifi. Note: Componentsforrightchannelhavesamevaluesasfor left channel. Referencenumbersarecoded from 2 Allcapacitorsarein.tFunlessotherwisenoted.pF:sF 5OWVorlessarenot indicatedexceptforelectrolytics andtantalums. Allresistorsareinohms.hWunlessotherwisenoted. kfl:l000fl,Ma:l000kfl :paneldesignation. e :adjustmentforrepair. :8+ij5. oBbus. oVoltagesaredcwith respecttogroundunlessotherwise noted. Readingsaretakenunderno-signalconditionswitha VOM(20ki/V). 3 nomark:STOP .4: REWIND RECORD 0:RECMUTE I:PAUSE :STOP oVoltagevariationsmaybe tiontolerances ACvoltagereadingsinthebiasoscillatoraretakenwith aVTVM. Switches Ref.No.SwitchPosition SIMONITORSOURCE S2LINEOUT/PHONES24 S3TAPETYPEI(NORM) S4DOLBYNROFF S7PEAK HOLDRESETAUTO G I H 1 01021051S15550)081092SC1364 UUTINS J 1 by shadingandmark Replaceonlywith FORWARD FAST FORWARD 050325C458A052SK30A notedduetonormalproduc 4 5 33 RadioFans.CN 收音机爱 好者资料库
