Lcd Monitor Description; Monitor Block Diagram - AOC LM721A Service Manual

2. LCD MONITOR DESCRIPTION

The LCD MONITOR will contain a main board, an inverter/power board, keypad board , Audio board and
external power adapter which house the flat panel control logic, brightness control logic and DDC.
The Inverter board will drive the backlight of panel and the DC-DC conversion.
The Adapter will provide the 12V DC-power to inverter/power board.
Inverter/Power board
DC-IN 12V

Monitor Block Diagram

CCFT Drive.
Keyboard
Flat Panel and
CCFL backlight
Main Board
HOST Computer
RS232 Connector
For white balance
adjustment in
factory mode
Video signal, DDC