ViewSonic Corporation
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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)
Flat Panel and
CCFL backlight
Main Board
Key Board
RS232 Connector
For white balance
adjustment in factory
mode
HOST Computer
CCFL Drive.
AC-IN
100V-240V
Video signal, DDC
Monitor Block Diagram
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