Block Diagram - ViewSonic va720-1 Service Manual

AC INPUT 12V
AC-DC
POWER
VGA INPUT ADC
P103,P105 I103
DDC
I105
ViewSonic Corporation

5. BLOCK DIAGRAM

5V
DC-DC
CONVERTER
REGULATOR
I101,D101,L102
I102
12V
CONTROLLER IC
I109
7
3.3V
HIGHT
VOLTAGE
INVERTER
U901
Micro KEY PAD
CONTROLLER
I112
EERROM OSC
I119 X101
VA720-1
Confidential – Do Not Copy
VE175/b
PANEL
DISPLAY
&
LED
LVDS
INTERFACE
I117,I118