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AOC LE19W037 Service Manual page 22

18.5″&21.5″&23.6″lcd tv
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9. Schematic Diagram
9.1 Main Board
715G3806M01000004L
BL_ON1
1
2
V_IPWM
3
V12_ADP
4
5
6
C714
7
100nF 50V
24V
8
24V
9
PWR_ON
10
GND
11
5VSB
12
C726
100nF 50V
5VSB
CN701
CONN
R728
10K 1/10W
BL_ON1
C728
100nF 50V
Q710
PMBS3904
GND
5VSB
R733
10K 1/10W
PWR_ON
C730
100nF 50V
Q711
PMBS3904
GND
5VSB
R717
0R05 1/10W
NC 10K 1/10W
R719
R718
V_IPWM
C723
NC 4.7UF 10V
NC 1K1/16W
Q707
NC PMBS3904
GND
H1
H2
H3
V1
NC
NC
NC
NC
   1
   1
   1
   1
   1
   1
   1
   1
GND
GND
GND
GND
V12_ADP
C715
+
470uF/16V
5VSB
GND
+
C727
470uF/16V
GND
R731
BL_ON
12
1K1/16W
R734
PW_ON
12
1K1/16W
VS1
VS3
VS5
VS7
NC
NC
NC
NC
VS2
VS4
VS6
VS8
NC
NC
NC
NC
0R05 1/10W
R720
BL_ADJ
11
H5
H6
NC
NC
   1
   1
   1
   1
GND
GND
5VSB
U701
G1084-33TU3Uf 
3
2
VIN
VOUT
   D
   N
   G
+
C720
   1
100nF 50V
C702
10uF/50V
GND
U703
V33_ADC
 AZ1117D-1.8-E1
   1
   D
   T
   N
   U
   T
   G
   P
   /
   U
   T
FB709
   J
   P
VCC18
   D
   U
300 OHM
   N
   A
   O
   I
   1
   2
   3
   2
5VSB
C718
+
C716
C721
220uF16V
+
100nF 50V
C717
220uF16V
100nF 50V
GND
GND
R729
12
POWER_ON
4.7K 1/10W
GND
VCC5
   2
FB706
300 OHM
U707
   1
G1084-33TU3Uf 
3
2
VIN
VOUT
   D
   N
+
   G
+
C701
C738
C740
   1
100nF 50V
10uF/50V
220uF/16V
GND
T P V ( Top
Victory
Electronics
Co . ,
Ltd. )
OEM MODEL
絬 隔 瓜 絪 腹
TPV MODEL
Key Component
03.Power 
PCB NAME
Tuesday, March 02, 2010
Sheet
Date
49
VCC3
VCC18_CORE
U708
G1084-18TU3Uf 
3
2
VIN
VOUT
+
+
   D
   N
C741
C724
C742
   G
220uF/16V
100nF 50V
220uF/16V
   1
GND
5VSB
VCC5
Q706
 AO4449 -7A/-30V
1
8
S
D
2
7
S
D
R716
3
6
S
D
10K 1/10W
C719
4
5
G
D
100nF 50V
+
R721
C722
100K 1/10W
100uF/16V
R725
R726
4.7K 1/10W
47K +-5% 1/10W
GND
R727
Q708
PMBS3904
4.7K 1/10W
Q709
2008-9-10
PMBS3904
GND
2008-11-18
FB701
V33_ADC
V33_AUD
VCC3
1
2
300 OHM
+
C734
220uF16V
C735
C748
C739
100nF 50V
1nF 50V
100nF 50V
GND
GND
GND
Size
Rev
715G3806-M0D-000-0040
称爹
4
of 
12
C743
100nF 50V
GND
C733
100nF 50V
C749
1000PF50V
1000PF50V
 A4
D
<
称爹
>

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