ViewSonic Q19wb-3 Service Manual page 58

CN4
1 2
3 4
5 6
7 8
VCC5V
C18
VCC5V
D21
ML25PT
5V
ViewSonic Corporation
VCC12
C14 C15
0.1uF/6 100uF/25V
VCC3.3
R31
10K/6
R100 0/6
Q4
PMBS3904 R36 1K/6
2
1uF/8
VCC3.3
R38
1K/6
R41 0/6
C24
Q2
1uF/8/NC
PMBS3904
2
DSUB_5V DVI_5V
R95 R96
0/6 0/6/NC
D22
BAT54C-GS08
L9
CX121A50006/1206
C30 +
330uF/16V
Confidential - Do Not Copy
55
VCC3.3
R32
10K/6
on_BACKLIGHT 5
C99
0.1uF/NC
R43 2K/6
adj_BACKLIGHT 5
U3-A
3 2
VIN VOUT
1 4
ADJ/GND OUT
AP1117ELA/TO252/NC
U3
0.8A Max
3 2
VIN VOUT
1 4
ADJ/GND OUT
AP1117ELA/TO223 200/6/1%
R47
330/6/1%
Q19wb-3
Q8
B
CHT2907APT
D23
LL1N4148PT
B
Q5
CHT2907APT
D24
LL1N4148PT
R50
100/6/1%
VCC3.3
R46
+ C31
330uF/16V
VCTRL 5
R48
47/6
VCC1.8
+ C32
10uF/50V
R49
2K/6
VCC3.3
ViewSonic Corporation
Model
Title
POWER
Date Rev: