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ViewSonic Corporation
Confidential - Do Not Copy
VX2235wm-3
38
8. Schematic Diagrams
8
.1.
DC TO DC
5V
3.3V
modify value 6/27
modify value 7/6
5V_PANEL
VDA_1V8 2,3
LCDVDD
3
VDD_CTRL
4
3.3DVCC
3,4,5
DGND
2,3,4,5
adj_BACKLIGHT 4
5V_AMP 5
on_BACKLIGHT 4
DGND
DGND
DGND
+5V
VDA_1V8
DGND
DGND
5V_PANEL
3.3DVCC
DGND
+5V
DGND
DGND
+5V
DGND
DGND
+5V
DGND
DGND
DGND
P101
CON9
1
2
3
4
5
6
7
8
9
Q102
NC/MMBT3904
B
E
C
R111
47K
R109
22K
C108
100nF
R110
220
R102 100
R105
1K
I101 *ATC1084_3Y3_252
I
G
O
VIN
GN
D
VOUT
M1
PIN
R103 0/NC
R112
10K
C107
100nF
L102
200R 2A 0805
M2
PIN
R101
1K
M3
PIN
Q104
MMBT3904
B
E
C
R107
0/NC
Q101
NC/MMBT3904
B
E
C
R106
100
L101
200R 2A 0805
R104 NC/4.7K
R108
NC/1K
MH1
M32-D80
1
2
3
4
5
6
7
8
C105
100nF
C0603
I102
AP1117CY_1.8
I
G
O
O1
VIN
GN
D
VOUT
VOUT
C125
100nF
MH2
M32-D80
1
2
3
4
5
6
7
8
C103
100nF
C101
100nF
1
2
+
C106
10uF/16V
Q103
AP2305
G
D
S
+
C104
100uF/16V
C102
NC/1uF
Содержание VX2235wm-3
Страница 37: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 34 6 Troubleshooting Flow Chart...
Страница 38: ...6 1 NO POWER 6 2 MCU NO FUNCTION ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 35...
Страница 39: ...6 3 NO DISPLAY ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 36...
Страница 40: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 37 7 Block Diagram...
Страница 50: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 47 9 PCB Layout Diagrams 9 1 MAIN PCB TOP VIEW...
Страница 51: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 48 9 2 MAIN PCB BOTTOM VIEW...
Страница 52: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 49 9 3 CON PCB TOP VIEW 9 4 CON PCB BOTTOM VIEW...
Страница 53: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 50 9 5 POWER PCB TOP VIEW...
Страница 54: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 51 9 6 POWER PCB BOTTOM VIEW...
Страница 55: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 52 10 Exploded Diagram and Exploded Parts List...
Страница 56: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 53...