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9. Schematic Diagrams
9.1 POWER/SWITCHES
V12
C489
.1
3
P{9}
PWM
+
1
2
-
U42A
LM358
NCAMPFB
PW328 and PW2030
V25
VCC
U43
R327
1K
AT1796-ADJ
1
4
VI
FBK
5
2
ON
VO
C498
R332
10K
470U
PW328
VCC
V18
U45
R336
1K
AT1796-ADJ
1
4
VI
FBK
5
2
ON
VO
C506
R341
10K
470U
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BACK LIGHT ADJ
R317
4.7K_NC
V12
R320
47K
PWM1
5
+
PWM2
6
-
C490
R321
.1
10K
R323
4.7K
INVERTERON/OFF
PW20300
V25
VCC
V15P
R328
1K
U44
AT1796-ADJ
C496
1
VI
333
L121
25uH
5
ON
D31
C499
C500
R333
10K
470U
470U
B340A
BULK SUPPLIES
V33
V18
VCC
R337
561
U46
AT1796-ADJ
C504
1
VI
333
L124
25uH
5
ON
D33
C507
C508
R342
10K
470U
470U
B340A
31
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POWER ON/OFF
P{18}
V12_ON
VPWM
7
U42B
C491
C511
LM358
10U_NC
.1
R325
10K
P{9}
BKLTPWR
R326
10K
V15P
R329
1K
R330
330
C497
4
FBK
333
L122
25uH
2
VO
D32
B340A
V33
R338
2.7K
R339
4.7K
C505
4
FBK
333
L125
25uH
2
VO
D34
B340A
N4261w-1M
V12IN
C488
R318
For 32" Power
10U
For 37" Power
R319
Vsub
VCC
Vsub
R322
C492
510
.1
R324
10K
C493
Q19
10U_NC
G
2N7002
Q20
B
3904
PANELVCC ON/OFF
For 37" LG Panel
L119
PBY20-221
V12
L120
PBY20-221
VCC
For 32" Samsung Auo Panel
R334
C501
10K
P{9}
PNLPWR
470U
R335
10K
VCC ON/OFF
Vsub
L123
PBY32-190
Q24
C509
3904
V12_ON
P{18}
V12_ON
470U
R343
10K
J11
1
2
3
0_NC
4
5
6
0
7
8
9
10
11
12
13
BACKLIGHT
V12
V12IN
V12
L118
PBY32-190
C494
C495
470U
.1
Q21
PANELVCC
AP4435M
1
8
S1
D1
2
7
S1
D1
3
6
S1
D1
R331
10K
4
5
G1
D1
Q22
C502
C503
B
3904
100U
.1
Q23
VCC
AP4435M
1
8
S1
D1
2
7
S1
D1
3
6
S1
D1
R340
4
5
G1
D1
10K
C510
B
470U
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