American Audio v3000amp Diagram
7654321
8
D
10k
R416-1
SFR401 10k
TR409
2sc3421
R412 10 1/2W
100
R408
TR405
150p/250v
2sa1358
R410 33
C407 .1/250v
33
R411
TR406
2sc3421
100
R413 10 1/2W
C405
R409
C404
150p/250v
TR408
2sa1837
TR407
2sc4793
R414 33
R415
TR421
.68 5w
.68 5w
C410
.68 250V
5PIN
1
2
1
2
CON1
1
2
3
4
5
CH A connector CON502
CH B connector CON 602
2PIN
CON403
to DC FAN
2PIN
CON403-1
to DC FAN
100
R441
R430
R431
C411
R451 56k
.68 250V
33K 1/2W
R450
5.6 5w
R434
.68 250V
C413
L401
R435
5.6 3w
C412
.1/250v
D405
IN4004
TR410
2sc5200
D401
IN4004
TR424
R418
220 1/2w
220 1/2w
R419
33
TR411
2sa1943
2sc2240
22 1w
22 1w
2sa970
TR425
D402
IN4004
1k
1k
R420
R421
TR412
2sc5200
470
R435
3.9k
R446
R447
R447
R448
D404
IN4004
R422
.68 5w
D403
IN4148
R423
.68 5w
470
R444
3.9k
TR413
2sa1943
R455 1k
TR414
2sc5200
TR415
2sa1943
.68 5w
.68 5w
IC402
PC817
TR416
TR418
2sc5200
2sc5200
TR417
2sa1943
.68 5w
.68 5w
R426
R427
3.3k 1w
R449
6k 1w
R454
100
R439
TR426
2sc2240
2sa1943
R453 6.8k
100
R438
R424
R425
TR419
.68 5w
.68 5w
TR420
2sc5200
100
R440
R428
R429
2sa1943
22k
R452
6002700852
C408
1.2k
R402
470u25v
EC403
.1/250v
R403 47k
C401 100p
.1/250v
R404
2.2k
TR401
2sc2240
R406 68k
2sa970
TR403
2.2k
R405
C409
TR402
2sc2240
68k
R407
2sa970
TR404
POWER AMPLIFIER
3p
CON4
SW401
SW402
1
2
3
4p
1
2
3
4
R00 1k
90c
IC402
1
Vin
50c
4.7u 50v
EC401
R401 470k
7808
3
Vout
GND
2
R443 1.8K
CH A to CON101
CH B to CON201
CH A to CON501
CH B to CON601
C
B
1k
R437
EC402
R436 39k
C406 22p/250v
R416 10k
100u 100v
R417 1.5k
47P250V
47P250V
C402
C403
D
C
B
A
Title
POWER AMPLIFIER BOARD
PROFESSIONAL STEREO AMPLIFIER
Number RevisionSize
A2
Date: 3-Apr-2002 Sheet of
1 2 3 4 5 6 78
File: C:\CLIENT\V3000AMP.SCH Drawn By:
v3000amp
K.C.HWA
A
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