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Service manual

ManualsBrandsViewSonic ManualsComputer equipmentVA1912wb-3
61626364656667686970
VSI
HSYNC
VSYNC
VGA_5V
VGA_5V
VGA_5V
DSUB_DET
DSUB_DET
RIN
GIN
BIN
VSYNC
GNDR
GNDG
GNDB
DDC_CLK
SOG
HSYNC
DDC_CLK
DDC_DAT
VGA_5V
V5A_ESD
V5A
DSUB_DET
DDC_DAT
V5A_ESD
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
V5A
C124 0603/47n/16V/7/RoHS
C124 0603/47n/16V/7/RoHS
R160
0603/680R/1%/RoHS
R160
0603/680R/1%/RoHS
1
3
2
D24
BAV99W/RoHS
D24
BAV99W/RoHS
C125 0603/47n/16V/7/RoHS
C125 0603/47n/16V/7/RoHS
R158 0603/51R/1%/RoHS
R158 0603/51R/1%/RoHS
C117 0603/47n/16V/7/RoHS
C117 0603/47n/16V/7/RoHS
R150
0603/0R/5%/RoHS
R150
0603/0R/5%/RoHS
R168
0603/10R/5%/RoHS
R168
0603/10R/5%/RoHS
C131
0603/33p/50V/N/RoHS
C131
0603/33p/50V/N/RoHS
R159 0603/0R/5%/RoHS
R159 0603/0R/5%/RoHS
TP
1
DSUB_DET1
Do Not Stuff
DSUB_DET1
Do Not Stuff
D28
0603220KV05T/RoHS
D28
0603220KV05T/RoHS
R145 0603/68R/1%/RoHS
R145 0603/68R/1%/RoHS
R167
0603/100R/5%/RoHS
R167
0603/100R/5%/RoHS
R151
0603/75R/5%/RoHS
R151
0603/75R/5%/RoHS
R153
0603/75R/5%/RoHS
R153
0603/75R/5%/RoHS
R147 0603/68R/1%/RoHS
R147 0603/68R/1%/RoHS
C123
Do Not Stuff
C123
Do Not Stuff
1
3
2
D23
BAV99W/RoHS
D23
BAV99W/RoHS
1
2
3
D32
Do Not Stuff
D32
Do Not Stuff
C122
Do Not Stuff
C122
Do Not Stuff
R169 Do Not Stuff
R169 Do Not Stuff
C121
Do Not Stuff
C121
Do Not Stuff
R144
Do Not Stuff
R144
Do Not Stuff
R146
0603/0R/5%/RoHS
R146
0603/0R/5%/RoHS
C119 0603/47n/16V/7/RoHS
C119 0603/47n/16V/7/RoHS
TP
1
HSYNC1
Do Not Stuff
HSYNC1
Do Not Stuff
R161
0603/2.2K/5%/RoHS
R161
0603/2.2K/5%/RoHS
R172
Do Not Stuff
R172
Do Not Stuff
R156 0603/51R/1%/RoHS
R156 0603/51R/1%/RoHS
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
CN6
2DS-D112-002
CN6
2DS-D112-002
R157
Do Not Stuff
R157
Do Not Stuff
C128
0603/100n/25V/X/RoHS
C128
0603/100n/25V/X/RoHS
1
2
D31
BZT52-C5V6S/RoHS
D31
BZT52-C5V6S/RoHS
1
2
D27
UDZSF-5.6B/PbF
D27
UDZSF-5.6B/PbF
D22
Do Not Stuff
D22
Do Not Stuff
R148
0603/0R/5%/RoHS
R148
0603/0R/5%/RoHS
R171 Do Not Stuff
R171 Do Not Stuff
R154
0603/75R/5%/RoHS
R154
0603/75R/5%/RoHS
C126 0603/47n/16V/7/RoHS
C126 0603/47n/16V/7/RoHS
D30
0603220KV05T/RoHS
D30
0603220KV05T/RoHS
1
2
D26
UDZSF-5.6B/PbF
D26
UDZSF-5.6B/PbF
R165 0603/100R/5%/RoHS
R165 0603/100R/5%/RoHS
R155 0603/51R/1%/RoHS
R155 0603/51R/1%/RoHS
R162 0603/0R/5%/RoHS
R162 0603/0R/5%/RoHS
R163
0603/2.2K/5%/RoHS
R163
0603/2.2K/5%/RoHS
C133
Do Not Stuff
C133
Do Not Stuff
R149 0603/68R/1%/RoHS
R149 0603/68R/1%/RoHS
L19
BK1608LL121/PbF
L19
BK1608LL121/PbF
C132
0603/100n/25V/X/RoHS
C132
0603/100n/25V/X/RoHS
R152 Do Not Stuff
R152 Do Not Stuff
C127
0603/100n/25V/X/RoHS
C127
0603/100n/25V/X/RoHS
R170 Do Not Stuff
R170 Do Not Stuff
D21
Do Not Stuff
D21
Do Not Stuff
C118 0603/47n/16V/7/RoHS
C118 0603/47n/16V/7/RoHS
C129
0603/100n/25V/X/RoHS
C129
0603/100n/25V/X/RoHS
C120 Do Not Stuff
C120 Do Not Stuff
C130
0603/33p/50V/N/RoHS
C130
0603/33p/50V/N/RoHS
D29
0603220KV05T/RoHS
D29
0603220KV05T/RoHS
R166 0603/100R/5%/RoHS
R166 0603/100R/5%/RoHS
NC
1
NC
2
NC
3
GND
4
SDA
5
SCL
6
VCLK
7
VCC
8
U12
Do Not Stuff
U12
Do Not Stuff
1
3
2
D25
BAV99W/RoHS
D25
BAV99W/RoHS
TP
1
VSYNC1
Do Not Stuff
VSYNC1
Do Not Stuff
R164
0603/100R/5%/RoHS
R164
0603/100R/5%/RoHS
Model
Title
Date Rev:
ViewSonic Corporation
VGA
65
ViewSonic Corporation Confidential
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Do Not Copy VA1912W/Wb