Schematic Diagrams - ViewSonic VX2235wm-3 Service Manual

8. Schematic Diagrams

8.1. DC TO DC
R102 100
C101
100nF
P101
CON9
1
2
3
4
L101 200R 2A 0805
5
6
7
8
9
C103
100nF
DGND DGND
ViewSonic Corporation
+5V
modify value 7/6
R101
1K
R103 0/NC
R104 NC/4.7K
B
on_BACKLIGHT 4
+5V
Q101
NC/MMBT3904
R105
DGND 1K
R106
100
5V_PANEL C102
NC/1uF
5V_AMP 5
DGND
+5V
200R 2A 0805
L102
+ C105
C104 100nF
C0603
100uF/16V
DGND DGND
+5V
I101 *ATC1084_3Y3_252
5V
I O
VIN VOUT
C107 C108
100nF 100nF
DGND DGND DGND
MH1
M32-D80
5
DGND
VX2235wm-3
Confidential - Do Not Copy
38
R107 0/NC
Q102
R108 NC/1K
B
adj_BACKLIGHT 4
NC/MMBT3904
3.3DVCC
4 VDD_CTRL
3.3DVCC 3,4,5
VDA_1V8
I102 AP1117CY_1.8
3.3V
I O
VIN VOUT VDA_1V8 2,3
O1
VOUT
C125
C106 +
100nF
10uF/16V
DGND
MH2
M32-D80
1 5 1
M1
PIN
DGND
modify value 6/27
Q103
AP2305
G
R110 220
Q104 R112
B
R111 47K 10K
MMBT3904
R109
22K
DGND 2,3,4,5
DGND
M2 M3
PIN PIN
LCDVDD 3
5V_PANEL