Service manual

Model
Title
Date Rev:
ViewSonic Corporation
Scaler Power
2
3
1
Max 2.5A 100mil * 4via
Max 1.2A 60mil * 3 via
BL-ON
BL-BRIGHT
BL-ON 6
BL-BRIGHT 6
GND_AGND_A
GND_A
GND_A
GND_A GND_A
MCU-VDD
VGA-5V DVI-5V+5V
DVDD
ADC_VAA
VGA_3V3
CVDD1V8
+5V
+5V
+1V8
GND_A
GND_A
GND_A
+12V
+18V
5V
+12V
+5V
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A GND_A
GND_A
GND_AGND_A GND_A
GND_A
GND_A
GND_A
GND_A
D24
SSM12LL
R75 47/6
+
C61
330uF/16V/NC
L13
BEAD 120/1206/NC
U1
AIC1563
1
2
3
45
6
7
8
DC
DE
CF
GNDFB
VCC
IS
BOOST
C55
120pF/6
D20
1SS355
L15
BEAD 120/1206
L14 47UH
12
C59
0.1uF/6
C83
10K/6
C49
0.1uF/6/NC
U3-A1
AIC1084/TO252/NC
1
23
ADJ/GND
VOUTVIN
D23
BAT54C-GS08
R86
330/6 1%
+
C67
330uF/16V
C53
330uF/16V
R85
200/6 1%
Q6
MMST3906
3 1
2
C52
0.1uF/6
D21
RB081L-20
2 1
R76 330K/6
+
C66
330uF/16V
C56
1uF/8
C51
0.1uF/6
R80
1K/6 1%
R74 0/1206
R77
240K/6 1%
R78
1K/6 1%
R88
330/6 1%
+
C70
100uF/25V
R90
150/6 1%
C54
0.1uF/8
R79 3K/6 1%
+
C71
100uF/25V
C50
330uF/16V/NC
C58
1000pF/6
D19 1SS355
C57 2200pF/6
C60
1000uF/6.3V
CN6 CONN 4x2-R
4
5 6
1 2
3
87
Q5
NDS9410A/SO
2 3 4 5
7 6 81
L28
BEAD 120/0805
+
C62
100uF/25V/NC
R82
390K/6/NC
R84
1K/1%/NC
C64
0.1uF/6/NC
D22
RB081L-20/NC
2 1
D25
RB081L-20
2 1
L16
100UH/NC
1 2
U2
AIC1563/NC
1
2
3
45
6
7
8
SC
SE
TC
GNDFB
VCC
IPK
DRI
C65
330pF/6/NC
D26
RB081L-20
2 1
C63
2200pF/6/NC
R83
13.3K/1%/NC
R81
560/6/NC
U5-A1
LT1117/TO223/NC
1
23
4
ADJ/GND
VOUTVIN
4
U5
AIC1084/TO252
1
23
ADJ/GND
VOUTVIN
FUSE2 0/1210/NC
1 2
+
C69
100uF/25V
L20
BEAD 120/0805
+
C68
100uF/25V
R87
200/6 1%
R89
330/6 1%
L18
BEAD 120/0805
FUSE1 0/1210
1 2
L19
BEAD 120/0805
L17
BEAD 120/0805
U3
LT1117/TO223
1
23
4
ADJ/GND
VOUTVIN
4
L21
BEAD 120/0805
U4-A1
AIC1084/TO252/NC
1
23
ADJ/GND
VOUTVIN
U4
LT1117/TO223
1
23
4
ADJ/GND
VOUTVIN
4
ViewSonic Corporation Confidential - Do Not Copy VA2012w-2_VA2012wb-2
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