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76
ViewSonic Corporation
Confidential - Do Not Copy
VG1930wm-3
Model
Title
Date
Rev:
ViewSonic Corporation
POWER (DC TO DC)
Recommond to used "Blue" parts circuit
for VCC1.8V if you want to suppoert DDC
function when system power off
03/21 MODIFY
T0-252
DIP
T0-263
For 15" 3.3V Panel
BL_ADJ
BL_ON
BL_ON
BL_ADJ
VLCD
VCC_PANEL
VCC1.8
VCC_PANEL
+5V
+12V
VCC_PANEL
VCC3.3
VCC_3.3
+5V
+5V
+5V
+5V
VCC5V
+5V
+12V
+5V
VGA5V
DVI5V
VCC3.3
VCC_3.3
R79
10K
F2
24V/5A/DIP/NC
R72
1K
S12
L1206
1
2
C80
0.1uF
D26
1N4148
F1
24V/5A/NC
C43
0.1uF/NC
Q5
MMBT3904L
3
1
2
R73
10K
+
TC9
4.7uF/50V
R75
0/NC
Q7
MMBT3904L
3
1
2
+
TC22
100uF/16V
R76
2K
R71
50
+
TC20
220uF/16V
R82
4K7
R70
4K7
C85
0.1uF
D28
SSM12L
R81
0
R78
100
+
TC11
100uF/16V/NC
Q6
CHT2907
C
B
E
U10
1117-33
1
2
3
4
ADJ
VOUT
VIN
TAB
R77
4K7 -> 100K
U5
1084-33CM/NC
3
2
1
4
VI
VO
ADJ
VO
S3
L1206
1
2
L10
L1206
MLB-201209-0220P-N2
1
2
C44
0.1uF/NC
R83
10K
L12
L1206
MLB-201209-0220P-N2/NC
1
2
C38
0.1uF/NC
R67
10K
+
TC21
220uF/16V/NC
R80
10K
D25
1N4148
D27
BAT54C-GS08
3
1
2
C86
0.1uF/NC
C81
0.1uF
S5
L1206
1
2
Q9
MMBT3904L
3
1
2
R68
0/NC
Q8
AO3401
C41
1uF
CN10
HEADER5X2
1
2
3
4
5
6
7
8
9
10
C42
0.1uF
L11
L1206
MLB-201209-0220P-N2/NC
1
2
R74
4K7
R69
10K
+
TC10
10uF/16V
on_Panel
7
VLCD 5
VCC1.8 7
VCC3.3 5,7
VCTRL 7
on_BACKLIGHT 7
Adj_BACKLIGHT 7
+5V
3,4,7
DVI5V
4
VGA5V 4
+12V 3
VCC3.3 5,7
Summary of Contents for VG1930wm-3
Page 81: ...78 ViewSonic Corporation Confidential Do Not Copy VG1930wm 3 9 PCB Layout Diagrams...
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