Kenwood-MA100-pwr-sm1 维修电路原理图.pdf

STEREO POWER AMPLIFIERM-A100/A300SERVICE MANUAL 1997-6/B51-5321-00 (K/K) 3668POWER AMPLIFIERPOWER-ON OFFSPEAKERS(6-16)SPEAKERS(6-16)+-CONNECT WITH AVCONTROL CENTERFRONTCENTERRR+-CLLUNSWITCHEDSWFRONT SURROUND WOOFERSUBSURROUNDKnob(K27-2211-04)Escutcheon *(B07-)Indicator(B12-0308-04)Panel *(A60-)Foot x2 *(J02-)Dressing panel *(A21-)Lock terminal board(E70-0046-05)Look terminal board(E70-0046-05)AC power cord *(E30-)Rectangular receptacle(E58-0018-05)Metallic cabinet(A01-3429-01)AC outlet *(E03-)Power cord bushing(J42-0083-05)How to power on unit only.Connect a lead wire between P3 (GRY) and fuse holder (CN3 of F2) or (CN10 of F3), then push power sw.Illustration is M-A300.* Refer to parts list on page 16.1p3p/19p22p 97.6.2 4:11 PM yW 1RadioFans.CN 收音机爱 好者资料库M-A100/A3002CONTENTS / ACCESSORIESContentsCONTENTS / ACCESSORIES .2DISASSEMBLY FOR REPAIR.3ADJUSTMENT.4PC BOARD .5SCHEMATIC DIAGRAM .9EXPLODED VIEW .15PARTS LIST.16SPECIFICATIONS .21AccessoriesParallel cord .(1)(E30-2857-05)AC plug adaptor .(1)(E03-0115-05)Use to adapt the plug on the power cardto the shape of the wall outlet.(Accessory only for regions where use isnecessary.)1p3p/19p22p 97.6.2 4:11 PM yW 2RadioFans.CN 收音机爱 好者资料库M-A100/A3003DISASSEMBLY FOR REPAIR.21 11 11 11 11 11 11 12 2x3x2x2x2x2x21 11 11 12 21. Remove the 17 screws (1), then remove main PCB.2. Stand the set with right side downward, then connect theGND of the PCB (X07) (A/4) and the rear panel and thechassis with 2 alligator clips2.1p3p/19p22p 97.6.2 4:11 PM yW 3M-A100/A3004ADJUSTMENTNo.ITEMINPUTSETTINGSOUTPUTSETTINGTUNERSETTINGSALIGNMENTPOINTSALIGN FORFIG.q 1 r IDLE CURRENT|Connect a DCvoltmeter acrossCN11(L)CN12(R)CN15(CENTER)CN16(SURROUND)(X07-)Volume : 0VR1(L)VR2(R)VR5(CENTER)VR6(SURROUND)(X07-)(L, R)17.6mV(CENTER, SUR-ROUND)13.2mVq 1 r|Connect a DCvoltmeter acrossCN11(L)CN12(R)CN13(CENTER)CN14(SW)CN15(SL)CN16(SR)(X07-)Volume : 0VR1(L)VR2(R)VR3(CENTER)VR4(SW)VR5(SL)VR6(SR)(X07-)(L, R)17.6mV(CENTER, SW, SL,SR) 13.2mV IDLE CURRENTAUDIO SECTION (M-A300)AUDIO SECTION (M-A100) Turn on the unit for 5minutes before adjustment.1p3p/19p22p 97.6.2 4:11 PM yW 4ACEGIBDFHJ2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)561p3p/19p22p 97.6.2 4:20 PM y W 5KLNPRTMOQS2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)781p3p/19p22p 97.6.2 4:23 PM y W 7XXXXXXXX()()()()()()()()()XXXXXXXDCBA1234567891012171615141311R104100C106220PC105100R103220PC104100R102220P100R101C108220P100R106C107100R105220P14GND(B)GND(+15V)13MUTE12SW POW. RET11SW POWER10DG9SRch8GND7SWch6SW OUT5GND4Rch3AG2AG1FRONT RELAY11POWERRETURN1258PROTECTION9CS RELAY10Cch6GND7SLchAG3Lch4GND1AG2K2C103220PP10.01C770.01C450.01C78RETURNPOWERPROTECTIONMUTECS RELAYFRONT RELAYSWchDGSRchAGSLchGNDCchGNDRchGNDLch2.2KR1774.7u50C1+R1712.2K47R189R183R1C7680P2.7KR192.7KR13100K47K2KR25100u10C25+1R73C109100PR713KC3168P10KR43C3747P220R311/4W220R371/4WC85680P22 1/4WR55R6147C4347u100+220u100270R49C49+47KR671/4W1/4W1/4W33PC127R185R1792.2KR1732.2K680P100K47K2.7KR152.7KR21R271R75R3C9C27100u102KR51100PC1111/4W270+474.7u50C3+R191C12913KR947PC3968PC3347KR6933P1/4W10KR451/4WR392202201/4WR33680PC8722PC117R1872.2KR181R1752.2K22PC119R771R29R17C11R547K100K680P2.7K2.7K2KC29100u10R231/4WR53C113100P270+R7147KC5+4.7u50R1934713KR11C131C3568PR4710K33P1/4WC4147P1/4WR352201/4WR41220C89680PW83W81W82R654.7KR631001KR6447u16C48+47u25C47+12111098765432112111098123456789123456789101189101211PROTECTIONCS RELAYFRONT RELAYPOWER RETURNPOWERMUTE DRIVEGND+BGNDB(+15V)-BSLch NFCch NFLch NFSLch -Cch -Lch -SLch +Cch +Lch +SW POWER7R48C132R121/4W33P10K13K2.2KR182R188R1762.2K100u10R781C30C114R54270100P1/4W+R6100K47KC12680P2.7KR24R182.7KR302K+47C64.7u50R194C120R7247KC3668PC4247P22P8SW POW. RETR1846111210897R186 100K2.2KR180W5253412W27R1742.2KR1782.2K2.2KR172680P100K47K2.7KR142.7KR20R2622PC118R761C90R42R36680P2201/4W2201/4WR28R16C10R447K680P2.7K2.7K2KC28100u10R221/4WR52C112100P270+R7047K654231MUTE DRIVE-BGND+B+B(+15V)GND(+15V)987SRch NFSRch -SRch +1/4WC4+4.7u50R1924713KR10C130C3468PR4610K33P1/4WC4047P1/4WR342201/4WR40220C88680P1R74R2C8C26100u102K220u100+47R62C46R50100PC1101/4W270+C4447u100+654321SWch -SWch NFSWch +Rch -Rch NFRch +474.7u50C2+R190C12813KR847PC3868PC3247KR6833P1/4W10KR44R561/4WR382202201/4WR32680PC8622 1/4W47u16C7547u25C74+1KR57100R584.7KR59+R210R20922K100KR207220R206C20322u25R204680 1WR20827K10K 1WR2114.7K1413M-A300M-A100GND(B)GND(+15V)MUTESW POW. RETSW POWERDGSRchGND(GUARD)SWchSW OUTGND(GUARD)RchAGAG-CN3X07-A/42/22/2-CN2X07-A/42/2-CN4X07-A/42/2X07-A/4-CN1XTU.K.AUSTRALIANOR30ABB.YKPXU.S.A.COUNTRYDESTINATIONUNIT No.81W27,83W52,82,NOYESC109,110,113,114EUROPEEGENERAL MARKETMCANADAPCHINACX11-3770-71MALAYSIAINOYES1.5KX11-3773-00X11-3770-21X11-3742-91X11-3740-51X11-3742-71X11-3740-10A , BC111,112NONOXAUSTRALIAX11-3770-72MALAYSIAGENERAL MARKETCOUNTRYX11-3773-01X11-3770-22X11-3742-92X11-3740-52MCHINAICPXU.K.YTNOYESX11-3742-72X11-3740-11UNIT No.EUROPECANADAU.S.A.EPKDESTINATIONABB.W27,81W52,82,83YESNO2K114C109-NOR30M-A100M-A300CYESYESNOA , BC15V15V15V15V-B+B15V15V+B-B+B+B-B+B-B+B+B15V15V15V15V15V15V15V-B-B+B+B+B-B+B+B15V15V+B15V-B-B-B-B+B+B+B+B+B22.4V15.2V15.8V0V-11.4V-39.1V0V-39.1V0.6V40.5V41.1V-1.3V0V1.3V1.3V-1.3V0.6V0V-39.1V0V-39.1V-11.4V0V40.5V41.1V0.6V40.5V41.1V1.3V0V-39.1V-39.1V0V-11.4V0V-1.3V3.9V-11.4V3.9V0V-11.4V15.2V0V-39.1V39.1V0.6V0V1.3V-1.3V40.5V41.1V-11.4V0V15.2V-39.1V0V0.6V0V-1.3V41.1V40.5V39.1V1.3V-11.4V0V0.6V0V0V40.5V41.1V39.1V-39.1V1.3V-1.3V15.2V22.4V15.8VGND LINESIGNAL LINE+B+BD14CJ3D7Q1Q7Q121D1Q13Q19Q25PREMUTEFLchDRIVEQ123MUTECchD9Q27Q9Q3Q21Q15DRIVEPRED3Q125MUTESLchD11Q23Q17Q5Q11DRIVEPREQ29D5AD15Q31+15V AVRD16CN9CN6SURROUND chQ126MUTED12Q6Q12Q24Q18Q124MUTESWchBQ122D204MUTEFRchDRIVEPREQ30D6D10Q22Q16CN8Q4Q10DRIVEPREQ28D4D8CN7Q26Q8Q2Q20Q14DRIVEPRED2D17D18Q32+15V AVRD203Q203SR chMUTEDRIVERE4ABSWPRE OUTON/OFFSW PRE OUTE1E3E2WH1WH2WH2M-A100M-A300Q203Q121-126Q31,32Q25-30Q13-24Q1-12D204D203D15-18D1-12,14: 2SA1048(Y,GR) or 2SA1309A(Q,R) or: 2SC2878(B): 2SC3940A(R,S) or 2SD863(E,F): 2SA1123(R,S): 2SC2631(R,S): 2SA992(F,E): RD8.2ES(B2) or HZS8.2N(B2) or: 1SS131 or HSS104AMTZJ8.2(B) or UZ-8.2BSB2SA933AS(Q,R) or 2SA1175(F,E)MTZJ3.9(B) or UZ-3.9BSB: RD3.9ES(B2) or HZS3.9N(B2) orMTZJ15(B) or UZ-15BSB: RD15ES(B2) or HZS15N(B2) orto C-V100/V150/TERMINALINPUTCchJ1V300/V350(X11- ) (C/4)(X11-37XX-XX) (A/4)(X11- ) (B/4)M-A100/A300(K) (1/2)+B LINE-B LINE A1234567BCDEFGIKMOHJLNY08-5610-10M-A100/A300CAUTION: For continued safety, replace safety critical com-ponents only with manufacturers recommended parts (referto parts list). indicates safety critical components. Forcontinued protection against risk of fire, replace only withsame type and rating fuse(s). To reduce the risk of electricshock, leakage-current or resistance measurements shallbe carried out (exposed parts are acceptably insulated fromthe supply circuit) before the appliance is returned to thecustomer.The DC voltage is an actual reading measured with a highimpedance type voltmeter with no signal input. The mea-surement value may vary depending on the measuringinstruments used or on the product.1p3p/19p22p 97.6.2 4:27 PM y W 9XXXXXXXXXXXXXXXXXFANXXXXXXXXXXXXXXXXXXXXXIC1BADC534125213447 1/4WR10747 1/4WR101L1100R113VR12201/4WR1192.7K620R125C1010.01W201C211470R1311210KR14310KR137101/4W3.9R149C1070.047C113R1552WR1334701000.047C11547 1/4WR109220VR3R11547 1/4WR1031/4WR1571R1273451/4W2R13912620C1030.012W103.9R1512.7KR12142513L3C213C109W203R14510K10KR13547010047 1/4WR1110.047C117220VR5R1171/4WR105R1531/4WR159R129341/4W52110K1210KR147620C1050.01R141103.92W2.7KR12325413L5C111C215 0.56W2055602WR2034.7KR20410KR202560 2WK1K3R201XXXXXXXXX1KR1611KR163R1651K4700PC1254700PC1264700PC1234700PC119214.7KR20510KR206R136R134XX470470100C1180.04747 1/4WR112VR6220R118R1661KR10647R1601011/4WR130351/4W42R148 10K21C1066200.01R14210K2W3.9R1242.7K42513L6R15410047 1/4W0.047R110C116VR4220R116R1641KR10447 1/4WR152R1581/4WR12831/4W452110K1210KR146C1046200.01R140103.92WR1222.7K25413L4C112W206XC216X560 2WR234C110K412W204XC214XR13247010047 1/4W0.047R108C114220VR2R114R1621K47 1/4WR102R1561/4W1R1263451/4W212C1026200.012W103.9R1502.7KR12042513L2K2C108XC212XW202XC1204700P10K10KR144R138R232XW2074700PC1224700PC124W208XXW209X1234567891234567891011856723481967345121K 1/4WR41FLOPFLIP-AUTO RECOVERYLATCH SW32VOL.DET.OFFSETDET.45MUTEAC OFFDET.OVER LOADVCC ON67RELAYDRIVERVCC82.7KR20722u16C201+0.022C2034.7u50C204+33u50C205+91KR2098.2KR2104.7KR2134.7KR211620R212220PC2062.2KR21610KR21410KR2151W1KR208220u10C202+R22210K15KR21710u50C2+100R310u50C1+1KR2R11.2K2.2u50C5+R15470K4.7KR14100KR1610u50C7+R104.7K10KR94.7KR12100KR174.7u50C8+4.7KR2010KR19R847u35C6+1230.01C120.01C90.01C11C100.01470u50C23+R22110KR22010KR2194.7u100C307+R3022.2KR2184.7K2.2K 1WR18560 2W32132122KR301+-K5C26 0.01C27 0.01C25 0.01C24 0.01C18+C17+-+C15 0.01C14 0.01C16 0.0112345678910111213312451234521F4CN30CN29C3060.010.01C3020.01C303C3050.010.01C304C200.01J101234567891011121312345CN4CN3F2CN10CN11F3K1123CN1CN2F1WW1126800PC7621240V120VP6BLUWHTP7P5YELREDP4BRNP8P3P2POWERPOWER RETURNPOWER RETURNT. F.6800PC301T. F.VR1Q101-112Q113-116VR3VR5M-A100M-A300VR2VR4M-A300M-A100VR6SL+SR 100W/3 +3FL,FR,C100W/6chK,P,M,Y70W/6E,T70W/3 +3FL,FR,C,SW,SL,SRch 100W/6Q3,8Q6,7XTU.K.AUSTRALIATS1,2ABB.YKPXU.S.A.COUNTRYDESTINATIONUNIT No.105,106Q101,102,109,110Q103,104,EUROPEEGENERAL MARKETMCANADAPCHINACX07-2920-21MALAYSIAINOTRAITR4NS51-1518-05A , BNOPROTECTION INDCS RELAYFRONT RELAYPOWER RETURNPOWERMUTE DRV-BGND+BGND+B(+15V)SLch NFSLch -SLch +Cch NFCch -Cch +Lch NFLch -Lch +-CN9X11-A/41/2X11-A/41/2-CN6X11-B/41/2-CN8-BPRE SW RELAYMUTE DRVGNDGND+B+B(+15V)-CN71/2X11-B/4SWch NFSRch NFSRch -SRch +SWch +SWch -Rch NFRch +Rch -PRE SW RELAYRETURNVVPOWERPOWERRETURN1231W1u50C207+33u35C208+6.8KR223X07-2923-00X07-2912-91X07-2912-71X07-2910-10TRAITR3NTRAITR4NQ107,108,TRAITR4PTRAITR4PTRAITR3P111,112C17,185600u630.33C107,108,0.56111,112C109,110,119,121,123,213,214NONOC211,212,215,2160.56YESC125,126R82.2K 1W1.8K 1W270 2WR232J1NO YESJ31A 125VT800mALF4250VYESNO205,206W201-202,NOW203,204,207.208YESW209YES123C119,121,Q101-106DESTINATIONKTPABB.YMXCCHINAAUSTRALIAGENERAL MARKETMALAYSIAIPXU.S.A.EUROPECANADACOUNTRYU.K.EX07-2923-01X07-2920-22X07-2912-92TRAITR4NX07-2910-11X07-2912-72UNIT No.C17,186800u63TRAITR4PQ107-1120.33C107-1120.56TS1,2S79-0020-052.2K 1W1.8K 1WNONOC125,1260.56215,216C211,212,560 2WYES NOR232R8J1J3W201-206250VT800mALYESYESF41A 125VA , BNOYESNO208W207,W209R30847K56KR305220KR30347KR30610KR307120KR304J434V34V34V34V34V26V26V26V26V+B+B+B-B-B-B+B-B+B-B+B-B+B-B-B+B-B+B-B+B-B+B-B+B-B+B-B+B-B+B-B+B-B+B+B-B+B+B-B12345213FAN POW.FAN GNDC1214700PWH6WH5(BLU)(GRY)T2.5A L 250VMALAYSIACANADAGENERAL MARKETEUROPEDESTINATIONCOUNTRYAUSTRALIACHINAPXU.K.U.S.A.PX11-3742-71X11-3740-51X11-3742-91X11-3770-21X11-3773-00X11-3770-71XICMYETNOX11-3740-10ABB.KUNIT No.W1YESYESNOYESNOF1NOYESNOCN1,2J2X11-3770-22X11-3770-72X11-3773-01AUSTRALIAMALAYSIACHINAXCINOYESNOX11-3740-11X11-3742-92X11-3740-52X11-3742-72KU.S.A.GENERAL MARKETU.K.PXEUROPECANADATYMEPDESTINATIONCOUNTRYABB.UNIT No.NOYESYESNOYESNOF1W1CN1,2J20.560.560.560.560.56E03-0337-05E03-0316-05E03-0109-05E03-0305-05E03-0316-05E03-0305-05E03-0325-05E03-0305-05E03-0337-05E03-0325-05E03-0316-05E03-0305-05E03-0109-05E03-0316-05E40-8126-05E40-4245-05F50-0077-05F05-4025-05E40-4245-05E40-8126-05F50-0078-05F05-6321-05F05-6021-05F05-5025-0542.0V1.1V0.4V0.3V-1.1V-42.0V0V0V0V25.5V-42.0V-1.1V0.3V0.4V42.0V25.5V0V0V0V1.1V1.1V0.4V0.3V0V25.5V0V0V42.0V-1.1V-42.0V42.0V25.5V0V0V0V-1.1V-42.0V0.3V0.4V1.1V-1.1V-42.0V0.3V0.4V1.1V42.0V25.5V0V0V0V-42.0V-1.1V0.3V0V0V25.5V42.0V0.4V1.1V0V0V2.7V0.7V2.2V3.3V25.7V0V25.7V34.5V25.7V0V34.5V34.5V26.4V25.8V0.7V0V0V0V0V0V0.7V34.5VSPEED H:24V0V0.7V0V5.5V0.8V0V0V2.57V0V0.7VSPEED L:12V0VM-A100 (4CH)MODEL (CH)M-A300 (6CH)SPEED LSPEED HMORE THAN 1.25V/6MORE THAN 1.4V/60.821.4V/60.761.25V/6471/4W0V0.01C13AC110-AC220-GND LINESIGNAL LINE+B+BQ107Q101IDLEADJ.D101Q113D107CN11D109Q109CN13Q103Q115D103D111Q111CN15Q105Q117D105D202D201Q201AFL, SP.ON/OFFFL, C,SPTS1THERMAL SWPROTECTIONWH101J1J3Q202D112BD110Q112CN16Q106Q118D106Q110CN14Q104Q116D104D204ON/OFFSR, SL+SR SPWH102TS2THERMAL SWPROTECTIONQ108CN12Q102Q114D102SW SPFR,J2D108J2D203ON/OFFCN5CN6PROTECTIONCIRCUITQ203Q204Q208Q207D205Q1D13D14D9Q5D10D208Q6Q4Q8Q3Q7D1D4D3D2D207Q206Q205D206WH3E5E6D17D16D15Q301D5D12D11CN101CN102E4E2WH2WH1E3E1D13S1CN12CN5CN13J2S10AC220V 50HzAC240V 50HzAC110-120V/220-240V50/60Hz(C) :(X) :(M,Y,I) :AC120V 60Hz(K,P) :AC230V 50Hz(T,E) :FINAL TR.LIMITFLchADJ.IDLECchON/OFFTEST POINTIDLE LchIDLE CchSLchIDLE C/SLchIDLE ADJ.CchFRchADJ.IDLEIDLE RchSWchIDLEADJ.IDLE SWchSRchSURRO-IDLE S/SRchUNDchIDLE ADJ.DRIVESP. RELAYC, SL, SWSP+Cch-SPFLch+-(6-16 )2+-1+CchSPSP(6-16FLch)3-+SLchSP3+-2-+1-+FRchSRchSPSPSWch(6-16SP)-+32-1-+)(3-16SPSLchSRchSPFRchSP(6-16 )M-A100 SP OUTPUTM-A300 SP OUTPUTFAN LOW26V AVRDETECTDETECTFAN HIGHPOWERON/OFFLEDRELAYK5DRIVEPOWERFAN +BM-A100CN1CN4CN3CN2D19M-A300D209D210Q303Q302CN7Q201,202,206Q113-118Q5Q3,4,6-8,205,207,208,301-303Q1D19D15-17D12,101-112,201-207,209,210D10D9,13,14,208D5D1-4IC1: 2SC2003(L,K): 2SC1845(F,E): 2SD2012 or 2SD2061: 2SC2458(Y,GR) or 2SC3311A(Q,R) or: 2SC3940A(R,S) MTZJ13(B) or UZ-13BSB: RD13ES(B2) or HZS13N(B2) or: D5SBA20F03 or RBV-602LFA: S5688B or 1SR139-400: uPC1237HA MTZJ11(B) or UZ-11BSB: RD11ES(B2) or HZS11N(B2) or: 1SS131 or HSS104A: B30-2493-05: RD4.7ES(B2) or HZS4.7N(B2) or MTZJ4.7(B) or UZ-4.7BSBQ203: 2SA992(F,E)Q204: 2SA954(L,K)E7WH4RELAYDRIVEFLchPROTECT DETECT: S15VB20D11M-A100M-A300WH4Q103,104,109,110Q101,102,105,106Q107,108,111,112: : : 2SC1740S(Q,R) or 2SC2785(F,E)CN5F2CN5F2: 1SS131 or HSS104AD13 (X11-29XX XX) (X07-29XX-XX)SP OUTPUT (ALL CH) WITH FAN SPEED(X07-29XX-XX) (A/4)(X07- ) (B/4)(X07- ) (C/4)(X11- ) (D/4)(X07- ) (D/4)for TYPE (M,Y,I)EXCEPTfor TYPE (M,Y,I)M-A100M-A300M-A300M-A100(F09-0118-05)FANM-A100/A300(K) (2/2)+B LINE-B LINE1PRTVXZABADQSUWYAAAC357246Y08-5610-10M-A100/A3002SA11232SA9542SA9922SC18452SC20032SC26312SC28782SC3940A2SD8632SA11752SC27852SA10482SC1740S2SC24582SD20612SA1309A2SC3311ATRAITR3NTRAITR3PTRAITR4NTRAITR4P2SD2012UPC1237HACAUTION: For continued safety, replace safety critical com-ponents only with manufacturers recommended parts (referto parts list). indicates safety critical components. Forcontinued protection against risk of fire, replace only withsame type and rating fuse(s). To reduce the risk of electricshock, leakage-current or resistance measurements shallbe carried out (exposed parts are acceptably insulated fromthe supply circuit) before the appliance is returned to thecustomer.The DC voltage is an actual reading measured with a highimpedance type voltmeter with no signal input. The mea-surement value may vary depending on the measuringinstruments used or on the product.1p3p/19p22p 97.6.2 4:27 PM y W 12Parts with the exploded numbers larger than 700 are not supplied. 613615601Fx2Fx2Gx2Gx2Hx2x6FFx2Fx2Fx2Fx2FFFFFHx2Hx2Gx2Cx2Gx2 X07(D/4) X07(C/4) X07(B/4) X11(D/4) X11(C/4) X07-2920-22 (A/4) X11(B/4) X11-3770-22 Fx3 Gx2Fx2Fx2Fx3JEx16Fx2Gx2Gx2Gx2JJK JGx2Gx2GGG745GDJDDCGGGGGGA AG704FFFF617632614 64