Function Module Description - ViewSonic VX715 Service Manual

4.Function Module Description

4.1 LCD MONITOR DESCRIPTION
The LCD MONITOR will contain a Main Board, a Power Board, and Key Board which house the flat panel control
logic, brightness control logic and DDC.
The Power Board will provide AC to DC Inverter voltage to drive the backlight of panel and the Main Board chips each
voltage.
Power Board
(Include: adapter, inverter)
AC-IN
100V-240V
ViewSonic Corporation
Monitor Block Diagram
CCFL Drive.
Key Board
Flat Panel and
CCFL backlight
Main Board
HOST Computer
14
RS232 Connector
For white balance
adjustment in factory
mode
Video signal, DDC