![background image](http://html1.mh-extra.com/html/viewsonic/ve175-2/ve175-2_service-manual_1021021025.webp)
9. Block Diagram
AC-DC
POWER
AC INPUT
12V
DC-DC
CONVERTER
I102,D101,L108
5V
REGULATOR
I103
3.3V
INVERTER
U901
VGA INPUT
P104
CONTROLLER IC
I101
Micro
CONTROLLER
DDC I108
KEY PAD
&
LED
PANEL
DISPLAY
HIGHT
VOLTAGE
OSC
X102
EERROM
I109
LVDS
INTERFACE
I106,I107
12V
REGULATOR
I104
1.8V
!
!
ViewSonic Corporation
22
Confidential
– Do Not Copy
VE175/b-2