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2. LCD Monitor Description
The LCD Monitor will contain a main board, a power board, a USB board and a 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.
Video signal, DDC
Power Board
Flat Panel and
LED backlight
Main Board
RS232 Connector
For white balance
adjustment in
factory mode
HOST Computer
LED Drive.
AC-IN
100V~240V
Monitor Block Diagram
Key board
USB board
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