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Service manual

ManualsBrandsViewSonic ManualsComputer equipmentVA1912wb-3
61626364656667686970
Model
Title
Date Rev:
ViewSonic Corporation
POWER
59
ViewSonic Corporation Confidential
-
Do Not Copy VA1912W/Wb
V33C
V18C
V33P
V33A
V18C
V33C
V5A
V5A V33T
PANEL_ON/OFF
V33A
V33P
V5A
GND
GND
GND
GND
GND
GND
V33T
GND
V5A
GND
GND
GND
1
VOUT
2
VIN
3
VOUT
4
U7
AIC1084-18CM/RoHS
U7
AIC1084-18CM/RoHS
C58
0603/100n/25V/7/RoHS
C58
0603/100n/25V/7/RoHS
C48
0603/100n/25V/7/RoHS
C48
0603/100n/25V/7/RoHS
C44
0603/100n/25V/7/RoHS
C44
0603/100n/25V/7/RoHS
1
2
D18
EC31QS03L/RoHS
D18
EC31QS03L/RoHS
C54
0603/100n/25V/7/RoHS
C54
0603/100n/25V/7/RoHS
C49
1206/22u/16V/Y/RoHS
C49
1206/22u/16V/Y/RoHS
C46
0603/100n/25V/7/RoHS
C46
0603/100n/25V/7/RoHS
L11
FBMJ2125HS420/PbF
L11
FBMJ2125HS420/PbF
GND
1
VOUT
2
VIN
3
VOUT
4
U8
LM1117MPX-3.3/RoHS
U8
LM1117MPX-3.3/RoHS
L10 FBMJ2125HS420/PbF
L10 FBMJ2125HS420/PbF
1
V33T1
V33T1
R88
0603/100K/5%/RoHS
R88
0603/100K/5%/RoHS
C57
1206/22u/16V/Y/RoHS
C57
1206/22u/16V/Y/RoHS
PP1 Do Not Stuff
PP1 Do Not Stuff
C42
0603/100n/25V/7/RoHS
C42
0603/100n/25V/7/RoHS
R86
0603/4.7K/5%/RoHS
R86
0603/4.7K/5%/RoHS
R87
0603/1K/5%/RoHS
R87
0603/1K/5%/RoHS
1
3
2
Q16
AP2305GN/RoHS
Q16
AP2305GN/RoHS
C39
0603/1n/50V/7/RoHS
C39
0603/1n/50V/7/RoHS
GND
1
VOUT
2
VIN
3
VOUT
4
U5
LM1117MPX-3.3/RoHS
U5
LM1117MPX-3.3/RoHS
GND
1
VOUT
2
VIN
3
VOUT
4
U6
LM1117MPX-3.3/RoHS
U6
LM1117MPX-3.3/RoHS
C40
0603/100n/25V/7/RoHS
C40
0603/100n/25V/7/RoHS
1
2
D19
EC31QS03L/RoHS
D19
EC31QS03L/RoHS
C56
0603/100n/25V/7/RoHS
C56
0603/100n/25V/7/RoHS
TP
1
V33P1
Do Not Stuff
V33P1
Do Not Stuff
C45
1206/22u/16V/Y/RoHS
C45
1206/22u/16V/Y/RoHS
C52
0603/100n/25V/7/RoHS
C52
0603/100n/25V/7/RoHS
TP
1
V33C1
Do Not Stuff
V33C1
Do Not Stuff
C47
1206/22u/16V/Y/RoHS
C47
1206/22u/16V/Y/RoHS
C43
1206/22u/16V/Y/RoHS
C43
1206/22u/16V/Y/RoHS
PP2 Do Not Stuff
PP2 Do Not Stuff
+
C41
LV470M025E055R/RoHS
+
C41
LV470M025E055R/RoHS
C53
1206/22u/16V/Y/RoHS
C53
1206/22u/16V/Y/RoHS
TP
1
V33A1
Do Not Stuff
V33A1
Do Not Stuff
TP
1
V18V1
Do Not Stuff
V18V1
Do Not Stuff
L12 FBMJ2125HS420/PbF
L12 FBMJ2125HS420/PbF
C51
1206/22u/16V/Y/RoHS
C51
1206/22u/16V/Y/RoHS
+
C37
LV470M025E055R/RoHS
+
C37
LV470M025E055R/RoHS
C50
0603/100n/25V/7/RoHS
C50
0603/100n/25V/7/RoHS
C55
1206/22u/16V/Y/RoHS
C55
1206/22u/16V/Y/RoHS
L9 FBMJ2125HS420/PbF
L9 FBMJ2125HS420/PbF
1
3
2
Q17
2N7002/RoHS
Q17
2N7002/RoHS
C38
0603/100n/25V/7/RoHS
C38
0603/100n/25V/7/RoHS
GND
1
VOUT
2
VIN
3
VOUT
4
U4
LM1117MPX-3.3/RoHS
U4
LM1117MPX-3.3/RoHS