ViewSonic Corporation
Confidential - Do Not Copy
VA902-3_VA902b-3
58
9. Block Diagram
AC INPUT
100V-200V
SW POWER
SUPPLY I801
12V
D822,D823
T801
5V
INVERTER
I901
PANEL
DISPLAY
VLCD
Q102
D919,D910
Q901
3.3V
I104
X101
1.8V
I103
SCALAR
I101
SYNC
R111 R113
R,G,B INPUT
MCU
I102,DDC
3.3V MCU
D109,D110,D112
H,V SYNC
VGA D-SUB
P101
SCL,SDA
VGA 5V
EEPROM
I105
OSC
X101
Summary of Contents for VA902-3
Page 57: ...ViewSonic Corporation Confidential Do Not Copy VA902 3_VA902b 3 54 ...
Page 71: ...11 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy VA902 3_VA902b 3 68 ...
Page 72: ...11 3 CON PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy VA902 3_VA902b 3 69 ...
Page 73: ...11 4 CON PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy VA902 3_VA902b 3 70 ...