AOC envision L37W431 Service Manual page 49

37'' LCD TV
U502
C542 4.7uF/16V 0805 1
2 R_OUT INa
C544 0.0033uF 2
BBE1a
C546 0.033uF 3
BBE2a
C553 4.7uF/16V 0805 4
BBEOUTa
5
TONE INa
C555 0.0047uF 6
TONE-Ha
C557 0.1uF 7
TONE-La
C560 4.7uF/16V 0805 8
OUTa
C563 2.2uF/16V 0805 9
AGC
C569 0.1uF 10
SS-FIL
C573 4.7uF/16V 0805 11
CVB
C577 4.7uF/16V 0805 12
CVA
R539 100 13
2,3,6 SD1
SDA
R541 100 14
2,3,6 SC1
SCL
15
GND
BBE_R
R560
330
D502
BAV99
12V
U500
3 2
VI VO
+
c790
C593
1000p
C591 0.1uF
10uF
C5004 1
R551
BBE_R 2
3
3.9K 1/16W
4.7uF/16V 0805 4
C5005
R553
BBE_L
3.9K 1/16W
4.7uF/16V 0805
+
R557
C5003
3.9K 1/16W 10uF/16V
30 C543 4.7uF/16V 0805
INb L_OUT 2
29 C545 0.0033uF
BBE1b
28 C547 0.033uF
BBE2b
27 C554 4.7uF/16V 0805
BBEOUTb
26
TONE INb
25 C556 0.0047uF
TONE-Hb
24 C558 0.1uF
TONE-Lb
23 C561 4.7uF/16V 0805 BBE_L
OUTb
22 C564 0.1uF
SR-FIL
21 C570 4.7uF/16V 0805
VREF
20 C574 4.7uF/16V 0805 R559
CTH
330
19 C578 4.7uF/16V 0805 BBE_R
CTL
18
AUX0
9V
9V
17
AUX1
16
VCC
D501
C586 BAV99
NJW1147 10uF/16V
C585
+
0.1uF
L507
9V R546
600 OHM
10K 1/16W
6 MUTE
EAR_DET
+
R547 C592
C594
10uF/16V
100 1/16W 0.1uF
R549
620 1/8W
5V_A
C595 47uF/16V
EAR_R
U504 PT2308S
8
OUT1 VDD C597
47uF/16V
7 EAR_L
IN1- OUT2
6
IN1+ IN2-
5
GND IN2+
R556
3.9K 1/16W
+
C5002
47uF/16V
R524 1 3W
V20SW
R525
1 3W
R527
10K 1/16W
R530
NC
8
C562 10
R533 C566
1K C565 0.47uF/16V 9
100pF
0.47uF/16V 19
R536 20
C576 0 1/16W
100pF
16
R538
C579
1K C580 0.47uF/16V 15
0.47uF/16V
11
17
18
R543
100 1/16W
12
Q501 C587
0.47uF/16V
PMBS3906 14
1 0.47uF/16V C589
13
MAX9704
D500
1
3 1
Q502
2
PMBS3904
BAV70
LP500
600 OHM(8P4R)
EAR_R 5 4
6 3
EAR_DET 7 2
EAR_L 8 1
5V_A
CP500 R780
470pF
0
R558 10K 1/16W
AUDIO_GND
AUDIO_GND
49
L502 300 OHM
L503 300 OHM
C551
+
C548
0.1uF C549 C550 C552
1000uF/25V
0.1uF 0.1uF
0.1uF
AUDIO_GND
7 C559 1uF/25V
NC CHOLD
INL+
32 L504 15uH
OUTL+
C567
31
INL- OUTL+
0.01uF/25V
30
FS1 OUTL-
29
0.01uF/25V
FS2 OUTL-
C575
L500 15uH
INR+
26
OUTR-
25 L505 15uH
INR- OUTR-
C581
0.01uF/25V
28
/SHDN OUTR+
27
G1 OUTR+
0.01uF/25V
G2
C584
L506 15uH
6
SS C1P
C590
REG
5 0.1uF/25V
C1N
AGND
U503
AUDIO_GND
Audio_L+ L508 300 OHM
L509 300 OHM
Audio_L-
Audio_R+ L510 300 OHM
Audio_R- L511 300 OHM
CN502 C598
CONN
470pF
5
4
3
2
1
Earphone Jack
AOC (Top Victory) Electronics Co., Ltd.
Title
Amplifier
Size Document Number
Custom
Date: Thursday , September 14, 2006
Envision L37W431
0 1/10W
R526
0 1/10W
R528
0 1/10W
R529
Audio_L+
0.01uF 100 1/16W
R534
C568
C571
0.01uF
0.1uF/25V 100 1/16W
C572
R537
Audio_L-
Audio_R-
0.01uF
R540
C582
100 1/16W
C583
0.1uF/25V
Audio_R+
R544
C588 100 1/16W
0.01uF
3 CN501
2
1
CONN
2 CN500
1
CONN
C599 C5000 C5001
470pF
470pF
470pF
AUDIO_GND
Rev
B
715T1814-1
Sheet 9 of 11