Kenwood-KA5050R-int-sm 维修电路原理图.pdf
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1、1(/A-5050RFoot(J02-1072-05Phono jack(E 1 s-0634-05)Phono jack(E 1 3-0634-05)x2Screw terminal board(E20-0839-1 5) :E,P,Y,M,X,T(E70-0029-05):LSTEREO INTEGRATED AMPLIFIERKENWOODSERVICE MANUALMetallic cabinet(A01,3054-01 )Panelassy(460-0379-21 )(K29-421 6-04). 3(K29-4216-04)x2AC power cord.(E30-)(K29-34
2、0504)Slide switch(s31 -232205)r Power cord bushing(J42-0083-05)Slide switch(s62-000 1 -0s)Miniature phone jack(E11-0188-05)wAC outlet.(E03_):ifrelwRadioFans.CN 收音机爱 好者资料库KA-5050RCONTENTSHandle the power MOS-FETs carefully. Theyare easily destroyed by static electricity.When soldering, use a high-ins
3、ulation solderingiron.When soldering, solder the gate (G) first.NOTESACCESSORIESWhen replacin! the power MOS-FET, there aredifferences according to the ranks, so pleasereplace Pch (or Nch) as a pair of identical rank.The parts stock for parts of the same rank as Pch(or Nch) come in packs of pairs.Wh
4、en ordering a quantity of 1, one pack(containing 2) will be delivered in one bag.Please order as 25K1529LBP4, 2SJ200LBP4.There is no need to adjust the ranks of Pch and Nch,and there is no need to adjust the ranks of the leftchannel and right channel either.Since the KA-5050R is a FET amp, even with
5、 nosignal, nearly as much heat is generated as formaximu m output.When piling sets on top of each other, put this ampat the top. Placing any other unit on top of this ampinterferes with the heat release and can cause harm,so do not do this.INSTRUCTION MANUAL860-1131-00 ENGLISH860-1132.00 FRENCH E, L
6、, P860-1133-00 OHINESE M860-1134-OO SPANISH E, M860-1 135-00 GE, DU, lT E, LAccessoriesr Remote control unit .1(A70-0e32-05)(A09-01 46-08): Battery coverBatteries (R6/5UM-3f AA).,.,.2AC plug adaptor. 1(Except for some areas)For the unit with a Euro-pean AC plug in areasother than Europe.(E03-01 1 s-
7、0s)RadioFans.CN 收音机爱 好者资料库KA-s050RREMOTE CONTROT OPERAflONOperation keys for KENWOOD components connected by system control cords* The DISC key is only usedfor the Autochanger CDplayer.KA-5050R operation keysThese keys have the same function as the corresponding keys on the main unrt.470-0932-0sA09-
8、01 46-08: Battery coverTAPE A/B selectorA :When operating Deck Aof a double cassettedeck, set this selector tothe A position.B :When operat;ng Deck Bof a double cassettedeck or single casseftedeck, set this selector tothe B position.Cassette deckoperation keysThese keys perform thesame operations as
9、 thecorresponding keys on thecassette deck. However.operations requiringsimultaneous pressing oftwo keys are not possible.EEEEaltlEAEEEECD EEECD player operation keysTUNER operation keysu,.r EINPUT SELECTOR keysVOLUMEUP(A ,DOWN( V ) keys:-KA-5050RADJ U STM ENT/H E G LAG E / ABGTE I CHADJUSTMENTNo.IT
10、EMINPUT SETTINGSOUTPUT SETTINGSAMPLIFIERSETTINGSALIGNMENTPOINTSALIGN FORFIG.Unless otherwise specilied, set the respective switches as lollows:POWER:ONSPEAKER:8 REC OUT: OFF SELECTOR: PHONO1IDLE CURRENTConnect a DCvoltmeter acrossCN3 Pin l-2CN3 Pin 3-4CN4 Pin 1-2CN4 Pin 3-4VOLUME: 0vR1,3 (L)vR2,4 (R
11、)10 mV(a)REGLAGESNITEMREGLAGE DELENTREEREGLAGE DE LASORTIE. REGLAGE DELAMPLIFICATEU RPOINI DE-,AUGNEMENTALIGNER POURFIG.Sauf indicationcontraire, regler comme suit les commandes respectivesPOWER: ON SPEAKER: B REC OUT: OFF SELECTOR: PHONO1COURANT DEPLARISATIONConnecler un voltmtrede CC SURCN3 Pin 1-
12、2CN3 Pin 3-4CN4 Pin 1-2CN4 Pin 3-4VOLUME:0vR1,3 (G)vR2,4 (D)10 mV(a)vvABGLEICHNR.GEGENSTANDEINGANGS-EINSTELLUNGAUSGANGS.EINSTELLUNGVORSTARKER.EINSTELLUNGABGLEICH.PUNKTEABGLEICHEN FURABB.Wenn nicht anders angegeben, die einzelnen Schalter wie folgt einslellen:POWER: ON SPEAKER: B REC OUT: OFF SELECTE
13、R: PHONOLEERLAUFSTROMEinenG leichspan n ungs-messer UberCN3 Pin 1-2CN3 Pin 3-4CN4 Pin 1-2CN4 Pin 3-4anschlie en.VOLUME:0vR1, 3(L)vR2,4(R)10 mV(a)Y.-l!AC230- - - ACIrO- 4C22(J- ACilO-24Oy- AC22OV* l2OV- 24Oy- t2OV-lT-I:a: ; l: 1 y3 tr 1CPC(Componentside view)PREAMPLTFTER U NtT (X08-259X-XX)BOABDY, M
14、TYPEt-l-rPLAY REC PLIAC OUTLETSAC l lo- t20v/220v/230-240v-5O/60HzUNSWITCHED SWITCHEDIOOW MAX. TOTAL IsOW MAX. , M, E, LI TYPEY1lupld-rnplqrtroEIJdJErdi dVOLUMECONTROLt-i.9)a!or86668(Y.M) les(Y L41(Y. vr?(Y IAB(Y.M)WIM REO MI YELM) 4YRefer to the schematic diagram ior the values of resistors and cap
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