ViewSonic Corporation Confidential - Do Not Copy VA902-3_VA902b-3
10. Schematic Diagrams
TO-263
3v3
add heat piece
SOT-223
VCC_1v8
VCC5V--(5,6)
VCC_3v3
I103
AP1117T18
3 2
1
VI VO
GND
R139
1w1ohm
C148
NC
C145
NC
+
C141
100uF/16V
+
C144
100uF/16V
I104
AP1084T33
3 2
1
VI VO
GND
VCC_3v3 (3, 4,6 )
VCC_1v8 ( 4 )
10.1. DC - DC
59
