AOC envision L37W431, Service Manual

Page: 49 / 87

37’’ LCD TV Envision L37W431
49
C5004
4.7uF/16V 0805
C567
0.01uF/25V
R5
4
5
8.
2K
1/
16
W
C570 4.7uF/16V 0805
R549
620 1/8W
CN501
CONN
1
2
3
Q501
PMBS3906
3
2
1 C589 0.47uF/16V
C569 0.1uF
BBE_R
C575
0.01uF/25V
CN502
CONN
1
2
3
4
5
C558 0.1uF
C581
0.01uF/25V
C556 0.0047uF
C598
470pF
L500 15uH
R527
10K 1/16W
C583
0.1uF/25V
R_OUT 2
+
C586
10uF/16V
D500
BAV70
3
1
2
C599
470pF
R5
3
1
2.
2K
1/
16
W
+
C595 47uF/16V
U502
NJW1147
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
INa
BBE1a
BBE2a
BBEOUTa
TONE INa
TONE-Ha
TONE-La
OUTa
AGC
SS-FIL
CVB
CVA
SDA
SCL
GND VCC
AUX1
AUX0
CTL
CTH
VREF
SR-FIL
OUTb
TONE-Lb
TONE-Hb
TONE INb
BBEOUTb
BBE2b
BBE1b
INb
R546
10K 1/16W
C590
0.1uF/25V
L503 300 OHM
L507
600 OHM
R5
48
10
0K
1/
16
W
C5
9
6
0.
001
uF
B
Amplifier
AOC (Top Victory) Electronics Co., Ltd.
Custom
9 11 Thursday , September 14, 2006
Title
Size Document Number Rev
Date: Sheet of
AUDIO_GND
EAR_R
R553
3.9K 1/16W
R5
5
5
10
K
1/
16
W
C544 0.0033uF
C552
0.1uF
C5000
470pF
9V
Audio_L-
U500
3 2
1
VI VO
GN
D
C572
0.01uF
R547
100 1/16W
BBE_R
BBE_R
C574 4.7uF/16V 0805
D501
BAV99
3
1 2
V20SW
C546 0.033uF
L509 300 OHM
C579
0.47uF/16V
C551
0.1uF
R551
3.9K 1/16W
+
C592
10uF/16V
9V
R529
0 1/10W
C559 1uF/25V
R537
100 1/16W
BBE_L
R525
1 3W
AUDIO_GND
C553 4.7uF/16V 0805
C5001
470pF
L510 300 OHM
R5
3
2
4.
7K
1/
1
6W
C566
0.47uF/16V
L505 15uH
R543
100 1/16W
R536
0 1/16W
12V
Earphone Jack
C543 4.7uF/16V 0805
R556
3.9K 1/16W
R539 100
+
C5002
47uF/16V
C550
0.1uF
MUTE 6
L511 300 OHM
AUDIO_GND
CN500
CONN
1
2
U503 MAX9704
1 2 3 4
5
6
7 8
9
10
11
12
14
16
15
17
18
19
20
21 22 23 24
25
27
28
29
31
32
26
30
13
33 34 35
PG
N
D
PG
N
D
VD
D
VD
D
C1N
C1P
CHOLD NC
INL-
INL+
/SHDN
SS
REG
INR+
INR-
G1
G2
FS1
FS2
VD
D
VD
D
PG
N
D
PG
N
D
OUTR-
OUTR+
OUTR+
OUTL-
OUTL+
OUTL+
OUTR-
OUTL-
AGND
He
a
tsi
nk
He
a
tsi
nk
AG
N
D
Audio_R-
C565
100pF
C571
0.1uF/25V
EAR_DET
C578 4.7uF/16V 0805
L502 300 OHM
5V_A
R524
1 3W
C576
100pF
C564 0.1uF
+
C597 47uF/16V
715T1814-1
C555 0.0047uF
R544
100 1/16W
AUDIO_GND
R5
3
5
2.
2K
1/
1
6W
9V
R5
52
3.
9K
CP500
470pF
1 2 3 4
5 6 7 8
EAR_DET
EAR_L
C547 0.033uF
LP500
600 OHM(8P4R)
1
2
3
4 5
6
7
8
R534
100 1/16W
C584
0.01uF/25V
R533
1K
C587
0.47uF/16V
L508 300 OHM
R538
1K
BBE_L
c790
1000p
SC1 2,3,6
C582
0.01uF
C549 0.1uF
C545 0.0033uF
R5
5
0
3.
9K
1/
16
W
C563 2.2uF/16V 0805
Audio_R-
C5
00
0
.00
1u
F
R
542
5.
1K
1
/1
6
W
C554 4.7uF/16V 0805
R540
100 1/16W
C588
0.01uF
C542 4.7uF/16V 0805
L506 15uH
C594
0.1uF
R557
3.9K 1/16W
EAR_L
C593
0.1uF
L504 15uH
SD1 2,3,6
L_OUT 2
5V_A
EAR_R
+
C591
10uF
C580 0.47uF/16V
C577 4.7uF/16V 0805
R5
5
4
10
K
1/
16
W
C568
0.01uF
R558 10K 1/16W
Audio_L-
R780
0
R530
NC
C557 0.1uF
R560
330
+
C5003
10uF/16V
R528
0 1/10W
Q502
PMBS3904
3
2
1
AUDIO_GND
C585
0.1uF
R559
330
C5005
4.7uF/16V 0805
U504 PT2308S
1 8
2 7
3 6
4 5
OUT1 VDD
IN1- OUT2
IN1+ IN2-
GND IN2+
D502
BAV99
3
1 2
R526
0 1/10W
+
C548
1000uF/25V
C560 4.7uF/16V 0805
R541 100
C573 4.7uF/16V 0805
C562
0.47uF/16V
C561 4.7uF/16V 0805