Kenwood-KT-80-Service-Manual电路原理图.pdf

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1、)ENNOODHI/FI STEREO COMPONENTSSrnvtcE IiANUALKT-80An hem of ediustment is wrinen in rhtee langu6ges - English French and GrmanlJn article su ,eghges est ecft en ttois tangues. Angtais Fan?ais et AlemandEin A(ik6l der Abgleich wkd auf drei SpracheG Englische F anr6sisch und DeulschFM STEREO TUNERi“i

2、-*-COilTEIITSEXTERNAL VETVITERNAL VIEWDtAl coRD srRlNclltc. . . . . . . .OLOCK DIAGRAMEXPLODED V1EW.ADJUSTMENT. . .REGLAGESABGLEICH.ADJUSTMENT / FEGLAGES / ABGLEICH. “. “ “. PC BOARDscHEMATlcDIAGRAM.sPEClFrcATloNs.PARTS LISTc347II910(EXTEBilAT VIEWDial poinlert821-0037-o5lrlKnobtK27-Ol04-r4)aYIKnobt

3、K2t-o377-O4)lftE30) Fefer to Parts List.3tlIIL-:820-0452-04l!tlor ,ar translormrlIITTERITAL UIEW / IIIAT GORD STBIIIGIiIG GGtxo5) Raler ro Pens List.DIAL CORD STRINGING1 . Tie the end of the dial cord to thesPring.2. Hook the spring to the boss Aand B.3. Dress the dial cord in the direc-tion of “ 1

4、“ and wind it 2 turnsaround the dial shaft startingfrom its upper side.4. Dress the dial cord in the direc-tion of “3“ through “7“.5. Wind the dial cord 2 turnsaround the dial pulley startingfrom its upper side.6. Fix the dial cord to the rear-sideboss.7. Remove the dial spring trom theboss B.8. Ful

5、ly openlor,9. Mount thelustrated.the variable capaci-dial pointer as il-qeaDial pulleyBTOCK DIAGBAMdqcrEELHFr=HLIl!zFz5=o3Foo-ltzIFlotoIRI J-IIo-F=llolLtIF6Fo(Jo2(9EXPTODED UIEWoo ADJUSTMEITNOTEr1Hoi Cdr2The standard output is derived when an SG signal of1 kHz, +75 kHz deviation is fed to the antenn

6、a ter-minal.Reference value of the standard output: 750 mVReference value of REC CAL output: 375 mV.3Repeat the alignment No. 3 and No. 4 several times.,4Normally, T3 needs no adjustment.See KT-61 5 service manual.r5OdB:1pVtao. allorrxEt IEST COUTPX|E|8 TU EN8E?tto OUTrurDtcatoR aqruatmE Tnoftt8 iE$

7、Aix3cor EcTtoa SETTI OSt vcoIt86 MHzO lorvl80 dB IANT Input,95 MH2Faaquancy colrttar toC3a vl. SSrM.S.r SSVM .o d|.t th.wrvalorm b dlffDdtor pr.wrnit $ h-ffu.nc. ot tho hun. IvRl ?6 rHr2 AEPANANO gE MHr1 kH: lModl*G8.26 kHr lDcvlSELECTOR: L or RPilot: ON60 dB IANT inpnl95 MHz vF2 Minlmumcrclatlll3 F

8、r trl ditto 96 MHrStlndro$ tF -u-rca rd dr.h ot (l4o TlF ont .ndl Minimumdi6tonlona rFT tzl o dmo 95 MHZAFC: in operation 12 dinoa mc c,ar REC CALrON o vR3FEC CAL outptni! hllt thc lGvelot tho Etandardoutorrt.2ADJUSTMEITIT / REGTAGES / ABGTEICHTEST INSTRUTE TSOscilloscope. . . .r.AM signal generator

9、 .FM signal generator.r.r.Audio generator .AC voltmeterFM multiplex generalor. . .Frequencycounter .DC vollmeterDistortion meter . .Dummy antennaAPPAREILLAGEOscilloscope .G6n6rateur MA . .G6n6rateur MF.G6n6rateur audio fr6quences. . . .Voltmbtre CAG6ndrateur multiplex st6r6o. . .Fr6quencemdtreVonmel

10、re CCDistorsiomdtreAntenne fictive.PROFINST8UMENTEOszilloskooMW-Signalgenerator. . . . . . . . . . .UKW-Signalgeneralor. .NF-Signalgenerator. . .WechselspannungsmesserUKw-Multiplexgeneralor . .FrequenzziihlerGleichspannungsmesserKlirrfaklormesserAntennennachbildungSCOPEAM-SGFM-SGAGFM-MiXAC voltmetor

11、 Scope Disror on mstrTUNER (X05- 1 71 O) Component side view1-r.qaaq,/J.:llr#wt-s-L=A3giCtflF/#4.44A).E*ru./rIO,o AAQe itiTI2_dool-l ip,-I iir Ililiiiiir_or t.6jo ll;qf.=.,q.u.“aaJtoSG BOARD-I:07:0L01 :2SC167502,3,5-8.10.11:2SC2320 or 2Sc94504 :2SK 105Og :2SD330(E,F:TA706OP:HA1l37W:AN61O:TR40l0A:HA t2016:AN6551rM51903 L:AN6l35tc1tc2rc3tc4lc5tc6tc7rc8D8.9,11,12,25 :1S1555 or 152076D13D16.17,20 W06BD19 ;1520764D21-23 : Xz060:XZ-1423ita=tviI iI -!H;tllAcaaAN61 O EOUIVALENT CIRCUITr-=.-.3;.- ddffi.F*tc.:=.4