Kenwood KAC-6401 Service Manual

Also see for KAC-6401: Instruction manual Instruction manual

Contents

ONMLK12345670.5V0.1V3.8V2.5V0V3.8V14.3V5.0V14.3V14.3V0V5.0V5.0VIC5KAC-6401D30D42Q47Q46D34D37D35D36Q49Q48D40D33Q52J1 SP OUTD41D44D39Q51 Q57D38Q50D43Q56P. CON.DETECTIONPOWERSWITCHMUTEON/OFFMUTEDRIVERSWITCHINGSTAGEPOWEROVER-CURRENTPROTECTIONOVER-VOLTAGEPROTECTIONSWITCHINGDRIVERSWITCHINGREGULATORIC1,2 : NJM2060MIC3,4 : NJM4565MDIC5 : UPC494GSQ1-4,13-17,58-61 : 2SC945(A)(Q,P)Q5-12,49,56,57 : 2SA733(A)(Q,P)Q18-21 : 2SC4137(V,W)Q22,25,26,29,46,48,52,53: 2SC2412KQ23,24,27,28,62,63 : 2SA1037KQ30,33,34,37,54 : 2SC1627AQ31,32,35,36,47,55 : 2SA817AQ38,41,42,45 : 2SC4511∗BQ39,40,43,44 : 2SA1725∗BQ50,51 : FKV550T∗BD1-8,10,12,15-28,30,33,35,36,38-40,43,44,49-60 : 1SS133D9,11,42 : RD16JS(B)D13,14 : RD8. 2JS(B)D29 : RD7. 5JS(B)D31 : FMU22S∗AD32 : FMU22R∗AD34 : B30-1460-05D37 : RD10JS(B)D41 : 1N5406-MD45-48 : RD5. 1JS(B)GND LINESIGNAL LINEB LINEB LINEE1D59Q62 Q633.3KR241 3.3KR2013.3KR24010u16C115+3.3K 3.3K33KR2021.8KR2031.2KR2091.2KR21047u10C100+100R2074.7KR2112.2KR206 1KR20547KR20816151413121110912345678OSCILLATORREGULATORREFERENCEAMPERROR27KR2142.7KR21610KTH12KR21727KR2151000PC1081u50C101+680KR2136.8KR23416KR2351000PC11010KR223100u25C112+680R2386.8KR23910u16+C111100u10C109+22KR21810KR221L+(A)F1(25A)L+(B)L-(B)L-(A)R+(B)R+(A)R-(B)R-(A)BATTGNDP-CON10R2270.047C10310R2280.047C1020.047C10510R2300.047C10410R22910u16C114+C1133300u16+L2W4031.5KR2374.7KR22010R232150R225W4024.7KR219R23110R2241501.5KR236L110R2042200PC991/2WQ50,51Q56,57+B +B +B+B +B +B+BB+B(F52-0014-05)+B+B +B+B+B+BB+B+B+B+B+B +B+B100u6.3C124+R2545.6K47KR25347KR25247KR250R25147K+B+B+B2SA733(A)2SA817A2SC1627A2SC945(A)BCE2SC2412K2SC4137BE C2SA1725]B2SC4511]B2SA1037KNJM4565MDUPC494GSNJM2060MCAUTION : For continued safety, replacesafety critical components only withmanufacturer's recommended parts (re-fer to parts list).Indicates safety critical components.To reduce the risk of electric shock, leak-age-current or resistance measurementsshall be carried out (exposed parts areacceptably insulated from the supply cir-cuit) before the appliance is returned tothe customer.• DC voltages are as measured with ahigh impedance voltmeter. Values mayvary slightly due to variations betweenindividual instruments or/and units.