AmericanAudio-V4000-pwr-sch维修电路原理图.pdf

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1、12345678 A B C D 87654321 D C B A Title NumberRevisionSize A2 Date:3-Apr-2002 Sheet of File:C:CLIENTV4000AMP.SCHDrawn By: D421 IN4004 C421 2.2U100V Q422 A970 Q421 C3421 SFR401 5K R423 1K R422 22K R421 18K R430 4.7 1W R427 4.7 1W R429 820 C429 100P/100V C426 100P/100V R426 820 R425 33 1W R428 33 1W Q

2、424 MLE340 Q423 MLE350 D402 12V 1W D401 12V 1W C410 100U63V C409 100U63V Q412 MPSA42 Q411 MPSA42 R418 1.8K R417 1.8K R419 6.8K R416 6.8K R420 1.5K R415 1.5K R414 10K R411 10K R413 1.5K R412 1.5K R408 22K 5W R407 22K 5W C405 100P C413 470U16V R404 33K R403 390 R405 22K R406 15K C406100P100V C402 100P

3、100V R402 220K R401 15K C401 2.2U100V 3 2 6 1 5 74 IC401 TL071 1 2 3 4 CON401 4PIN Q435 MPSA92 Q445 MPSA92 Q456 MJE350 Q457 2SA1943 Q481 2SA1943 Q482 2SA1943 Q483 2SA1943 Q484 2SA1943 Q485 2SA1943 Q486 2SA1943 Q487 2SA1943 Q488 2SA1943 Q441 MPSA42 Q451 MJE340 R436 1K R437 47K R438 220K R435 47K D435

4、 IN4004 D442 IN4004 D446 IN4004 D441 IN4004 D445 IN4004 R442 4.7K 1W R446 4.7K 1W R440 1K R449 1K R451 1K 1W R456 1K 1W R441 100 R445 100 C441 473 C445 473 Q452 2SC5200 Q471 2SC5200 Q472 2SC5200 Q473 2SC5200 Q474 2SC5200 Q475 2SC5200 Q476 2SC5200 Q477 2SC5200 Q478 2SC5200 R452 10 5W R457 10 5W R471

5、.22 5W R472 .22 5W R473 .22 5W R474 .22 5W R475 .22 5W R476 .22 5W R477 .22 5W R478 .22 5W R481 .22 5W R482 .22 5W R483 .22 5W R484 .22 5W R485 .22 5W R486 .22 5W R487 .22 5W R488 .22 5W R43127K C431 33P 400V R444 470 R444-1 470 R444-3 470 R448 470 R448-1 470 R448-2 470 R491 5.6 5W OP1 R492 5.6 5W C

6、491 .1 250V RL1 D501 IN4004 C501 2.2u 100v C502 2.2u 100v C503 2.2u 100v R501 22k R502 22k R503 1M5 Q502 2SC945 Q501 2SC945 Q503 2SA1015 R505 1M5 R514 15K R513 1M5 R512 560K R511 470K R517 6.8K R5163.9K 5W R51512K 5W Q516 MPSA42 Q517 MPSA42 Q514 2SC945 Q511 2SC945 D511 IN4004 D512 IN4004 D516 IN4004

7、 D515 12V 1W D514 2.7V C511 473 C513 2.2u 100v 1 2 3 4 5 CON403 5PIN FS1F 20AFS2F 20A R400 1K 1W C404 103 500V C408 103 500V C407 224 250V C403 224 250V C411 684 250V C412 684 250V 1 2 3 4 5 CON402 5PIN CON102 OR CON202 TO PRE AMP BOARD GND INPUT B- GND AC IN OUTPUT B+ 6003101291 RV4000 POWER AMPLIFIE SW 90CSW 50C CON501 OR CON601 TO DISPALY BOARD CON301 OR CON401 POWER SUPPLY BOARD TO RadioFans.CN 收音机爱 好者资料库