AOC LM923 Service Manual page 19

19'' lcd monitor
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CN201
GND
ON_OFF
1
2
GND
3
4
DIM
VCC12V
5
6
VCC12V
GND
7
8
GND
VCC5V
9
10
VCC5V
GND
GND
11
12
CONN
VCC5V
R203
1K
 
1/16W
Brightness
R204
10K
 
R205 4.7K
 
1/16W
1
Q202
4
AdjBACKLITE
PMBS3904
C
B
E
VCC5V
R206
10K
R207
6
onPanel_5V/3.3V
4.7K
 
1/16W
VCC12V
VCC12V
R201
4.7K
 
1/16W
D201 SS14
VCC5V+
VCC5V
VCC5V
VCPU
FB201
600 OHM
C202
C204
+
C203
+
C205
0.1uF
220uF/25V
0.1uF
220uF/25V
1/16W
C206
1uF/25V
VCC5V
R214 delete
R208
 
1/16W
10K
 
1/16W
R216
R215
4.7K
 
1/16W
100K
 
1/16W
1
Q204
PMBS3904
C207
0.1uF
VCC5V
R202
6
10K
 
1/16W
C201
R212 4.7K
 
1/16W
1
onBACKLITE 6
0.1uF
Q201
3,4,6
PMBS3904
C
B
E
VCPU
6
NEW
Circuit
VLCD
VLCD
5
VCC5V
VCC3.3
VCC12V
C217
0.068uF
R209
R210
R213
Q203
AO3401
0
 
1/16W
NC
NC
C208
R211
+
100uF/16V
10K
 
1/16W
Page 19 of 55
AOC LM923
VCC5V+
SOT-252
D202
U201
GS1D
RT9164
3
2
VI
VO
C210
C211
0.1uF
47uF/16V
VCC5V+
TO-263
U202
AIC1084-33M
3
2
VIN
VOUT
1
ADJ
C214
C215
+
C216
0.1uF
47uF/16V
0.1uF
Title
MST 8011/8111 FOR AOC
Size
Document Number
B
POWER
Date:
Wednesday, November 10, 2004
VCC2.5
VCC2.5
4
C212
+
0.1uF
VCC3.3
VCC3.3
4
VAA1
VAA1
4
VAA2
VAA2
4
VAA3
VAA3
4
VAA4
VAA4
4
Rev
D
Sheet
2
of
6

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