Service manual
PANEL_VCC=3.3V R98=2k
PANEL_VCC=5.0V R70=3.6k
Panel 15" D12=SS14
Panel 17"/19" D12=SR34
BL_EN
PWR_EN
BL_BRIGHT
3.3V
DGND
3.3VP
DGNDDGND
3.3VP
DGNDDGND DGND
12V
DGND DGND
DGND
DGND
12V
DGND DGND DGND
PANEL_VCC
DGND
DGND
DGND
DGNDDGND
DGND
DGND
DGND
DGND
DGND
1.8V
DGND
C82
NC
12
C86
0.1u
L10
RH3.5x6x1.0W
+
C96
100uF/16V
L14
47uH/1.5A
C77
0.1u C83
0.1u
+
C97
470uF/16V
R70
3.6K
C94
0.1u
L15
RH3.5x6x1.0W
C87
0.1u
+
C92
100u/16V
CN9
PIN HEARD 3X2 PH=2.54mm
1 2
3 4
5 6
D10
SS14
C98
0.1u
R68 100
C81
0.1uF
C88
0.1u
H1
1
2
7
8
3
4
5
6
9
H4
1
2
7
8
3
4
5
6
9
R75
10k
U9
AP1509
1 2
3
4
5
6
7
8
Vin Output
FB
SD
GND
GND
GND
GND
U6
AP1509
1 2
3
4
5
6
7
8
Vin Output
FB
SD
GND
GND
GND
GND
C76
1uF/0603
12
C78
0.1u
C84
0.1u
12
+
C85
100u/16V
C99
0.1u
D13
5V6
R66
1.2K
C89
1uF/0603
12
+
C79
470uF/16V
L12
RH3.5x6x1.0w
H2
1
2
7
8
3
4
5
6
9
R69 100
C91
0.1u
L11
47uH/1.5A
R71
1.2K
D11
3V6
H3
1
2
7
8
3
4
5
6
9
D12
SS14
C93
0.1u
+
C80
470uF/16V
R65 2K
L13
RH3.5X6X1.0W
U8
LDO_1117-1.8
3
2
1
4
VIN
VOUT
GND
CASE
+
C90
100uF/16V
R67
0
12
Model
Title
Date Rev:
ViewSonic Corporation
Power
ViewSonic Corporation Confidential - Do Not Copy
68
Q7b-3