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Circuit Diagrams and PWB Layouts
Audio Amplifier Left Low
2409 D3
2416 C4
2430 C7
2440 E6
2460 E8
2410 B3
2418 D5
2434 B8
2455 D7
2465 D9
2415 C4
2419 D5
2435 B8
2459 E8
2466 D9
1
2
AUDIO AMPLIFIER
LEFT LOW
F428
A
2V / div DC
1µs / div
F430
2V / div DC
B
1µs / div
F465
5V / div DC
1µs / div
3403
C
L_LOW
1K
7403
BC847BW
FROM DIAGRAM
GND_I
FILTERS
3402
D
AU_EN_NOT
4K7
E
3122 123 6002.5
1
2
FTL13U AA & AB
7.
3401 C3
3404 D2
3408 C4
3411 C3
3425 B5
3402 D2
3406 C3
3409 D4
3415 B4
3427 C5
3403 C2
3407 C3
3410 B3
3418 D4
3428 B5
3
4
VCC_10_POS
3401
F401
GND_I
GND_I
1K
9V7
7415
LM311D
8
5
V+
BAL
6
STR|BAL
3406
F407
2
0V
8K2
3
0V
GND
V-
1
4
-9V8
7402
BC847BW
GND_I
GND_I
GND_I
VCC_10_NEG
3
4
41
3430 B6
3440 D6
3462 D8
5465 C9
3436 B7
3455 E6
5435 B8
6428 C5
3437 C8
3461 E7
5460 E8
6434 B7
5
6
7
3425
3428
F428
2K2
1K
14V2
6428
3427
7430
BC817-25
2K2
BAS316
-0V04
F430
-0V04
7
7455
-2V
BC807-25
-14V2
7440
BC847BW
0V
3440
10K
-14V2
GND_I
GND_I
GND_I
5
6
7
6435 C7
6459 E7
7403 C2
7440 D7
7465-2 C8
6455 D6
6460 D7
7415 C4
7455 D6
F401 C3
6456 E6
7402 D3
7430 C6
7465-1 D8
F407 D4
8
9
VSND_POS
GND_O
GND_O
F437
7465-2
IRF7343
3437
14V3
3
4
10R
5 6
5465
OUT_LL
33u
F465
0V
7465-1
IRF7343
7 8
3462
2
GND_O
GND_O
1
-14V4
10R
-14V4
F462
GND_O
GND_O
VSND_NEG
8
9
F428 B6
F462 D8
F430 C6
F465 C8
F437 C8
10
A
B
C
TO DIAGRAM
SUPPLY & DC
PROTECTION
D
E
CL 26532038_018.eps
190603
10
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