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2. LCD MONITOR DESCRIPTION
The LCD MONITOR will contain a main board, an internal PWPC board, keypad board, which house the flat panel
control logic, brightness control logic and DDC.The internal PWPC board will drive the backlight of panel and the
DC-DC conversion. and provides the 5V DC-power to main board.
PWPC board
(Include adapter and Inverter
board)
AC-IN
100-240V
Monitor Block Diagram
CCFL Drive.
Keyboard
5
Flat Panel and
CCFL backlight
Main Board
Video signal, DDC
Host Computer
DELL E152FPc
RS232 Connector
For white balance
adjustment in factory
mode
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