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17" LCD Color Monitor
2. LCD Monitor Description
The LCD MONITOR will contain a main board, a power board and one 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)
AC-IN
100V-240V
Monitor Block Diagram
CCFL Drive.
Key board
4
Flat Panel and
CCFL backlight
Main Board
HOST Computer
QDI TFT1780PSA
RS232 Connector
For white balance
adjustment in factory
mode
Video signal,
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