22" LCD Color Monitor AOC 212Va
6
2. LCD Monitor Description
The LCD monitor will contain a main board, a power board, key board and audio 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.
Monitor Block Diagram
AC-IN
100V-240V
Power board
Include: ada
ter, inverter
Flat Panel and
CCFL backlight
Main Board
RS232 Connector
For white balance
adjustment in factory
mode
CCFL Drive.
Video signal, DDC
Key Board
HOST Computer
Audio Board