Kenwood-KA5050R-int-sm维修电路原理图.pdf
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1、1(/A-5050R Foot (J02-1072-05 Phono jack (E 1 s-0634-05) Phono jack (E 1 3-0634-05)x2 Screw terminal board (E20-0839-1 5) :E,P,Y,M,X,T (E70-0029-05):L STEREO INTEGRATED AMPLIFIER KENWOOD SERVICE MANUAL Metallic cabinet (A01,3054-01 ) Panelassy (460-0379-21 ) (K29-421 6-04). 3(K29-4216-04)x2 AC power
2、cord. (E30-) (K29-340504) Slide switch (s31 -232205) r Power cord bushing (J42-0083-05) Slide switch (s62-000 1 -0s) Miniature phone jack (E11-0188-05) w AC outlet. (E03_) :ifrelw RadioFans.CN KA-5050R CONTENTS Handle the power MOS-FETs carefully. They are easily destroyed by static electricity. Whe
3、n soldering, use a high-insulation soldering iron. When soldering, solder the gate (G) first. NOTES ACCESSORIES When replacin! the power MOS-FET, there are differences according to the ranks, so please replace Pch (or Nch) as a pair of identical rank. The parts stock for parts of the same rank as Pc
4、h (or Nch) come in packs of pairs. When 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 left channel and right channel either.
5、 Since the KA-5050R is a FET amp, even with no signal, nearly as much heat is generated as for maximu m output. When piling sets on top of each other, put this amp at the top. Placing any other unit on top of this amp interferes with the heat release and can cause harm, so do not do this. INSTRUCTIO
6、N MANUAL 860-1131-00 ENGLISH 860-1132.00 FRENCH E, L, P 860-1133-00 OHINESE M 860-1134-OO SPANISH E, M 860-1 135-00 GE, DU, lT E, L Accessories r Remote control unit .1 (A70-0e32-05) (A09-01 46-08): Battery cover Batteries (R6/5UM-3f AA) .,.,.2 AC plug adaptor. 1 (Except for some areas) For the unit
7、 with a Euro- pean AC plug in areas other than Europe. (E03-01 1 s-0s) RadioFans.CN KA-s050R REMOTE CONTROT OPERAflON Operation keys for KENWOOD components connected by system control cords * The DISC key is only used for the Autochanger CD player. KA-5050R operation keys These keys have the same fu
8、nction as the corresponding keys on the main unrt. 470-0932-0s A09-01 46-08: Battery cover TAPE A/B selector A :When operating Deck A of a double cassette deck, set this selector to the A position. B :When operat;ng Deck B of a double cassette deck or single cassefte deck, set this selector to the B
9、 position. Cassette deck operation keys These keys perform the same operations as the corresponding keys on the cassette deck. However. operations requiring simultaneous pressing of two keys are not possible. EEEE altl EA EEEE CD EEE CD player operation keys TUNER operation keys u,.r E INPUT SELECTO
10、R keys VOLUMEUP(A , DOWN( V ) keys :- RadioFans.CN KA-5050R ADJ U STM ENT/H E G LAG E / ABGTE I CH ADJUSTMENT No.ITEMINPUT SETTINGSOUTPUT SETTINGS AMPLIFIER SETTINGS ALIGNMENT POINTS ALIGN FORFIG. Unless otherwise specilied, set the respective switches as lollows: POWER:ONSPEAKER:8 REC OUT: OFF SELE
11、CTOR: PHONO 1IDLE CURRENT Connect a DC voltmeter across CN3 Pin l-2 CN3 Pin 3-4 CN4 Pin 1-2 CN4 Pin 3-4 VOLUME: 0 vR1,3 (L) vR2,4 (R) 10 mV(a) REGLAGES NITEM REGLAGE DE LENTREE REGLAGE DE LA SORTIE . REGLAGE DE LAMPLIFICATEU R POINI DE -,AUGNEMENT ALIGNER POURFIG. Sauf indicationcontraire, regler co
12、mme suit les commandes respectives POWER: ON SPEAKER: B REC OUT: OFF SELECTOR: PHONO 1 COURANT DE PLARISATION Connecler un voltmtre de CC SUR CN3 Pin 1-2 CN3 Pin 3-4 CN4 Pin 1-2 CN4 Pin 3-4 VOLUME:0 vR1,3 (G) vR2,4 (D) 10 mV (a) v v ABGLEICH NR.GEGENSTAND EINGANGS- EINSTELLUNG AUSGANGS. EINSTELLUNG
13、VORSTARKER. EINSTELLUNG ABGLEICH. PUNKTE ABGLEICHEN FURABB. Wenn nicht anders angegeben, die einzelnen Schalter wie folgt einslellen: POWER: ON SPEAKER: B REC OUT: OFF SELECTER: PHONO LEERLAUFSTROM Einen G leichspan n ungs- messer Uber CN3 Pin 1-2 CN3 Pin 3-4 CN4 Pin 1-2 CN4 Pin 3-4 anschlie en. VOL
14、UME:0 vR1, 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 1 C PC (Component side view)PREAMPLTFTER U NtT (X08-259X-XX)BOABD Y, M TYPE t-l-r PLAY REC PL I AC OUTLETS AC l lo- t20v/220v/230-240v- 5O/60Hz UNSWITCHED SWITCHED IOOW M
15、AX. TOTAL IsOW MAX. , M, E, L I TYPE Y1 lu pld-rn plqrtr o EIJdJ Erdi d VOLUME CONTROL t- i.9) a! o r8 6668 (Y.M) les(Y L41(Y. vr?(Y IAB(Y.M) WIM REO MI YELM) 4Y Refer to the schematic diagram ior the values of resistors and capacitors EEE PElDAT 2- r3IADAPTORT REC PLAY/IN REC/OUT TYPE ONLY AC OUTLE
16、TS SWITCHED UNSWITCHED TAL ISOW MAX. IOOW MAX. CD TUNER AUX !1$r 01b oq aZ2+ cr09 1.8i V82 YE3 na V83 l*l: l=la lrl: lalr lrl* i:l= tr r= 036 - a- | *-) I cr:)-/ _!.,18_ _ *rul* _ ttl tt, rSrir- t,tri ,ll- t ffi- R!68 5T-JE ;itt 025 .4l ntsg - 0?( ;iif l- ; 0 (-*a:.j!iia*!- - _ R6) -.1.,: li- i53ii
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