Hanns.G AG172D Service Manual page 5

17" LCD Color Monitor
2. LCD Monitor Description
Assembly Description
The LCD MONITOR will contain a main board, power board, audio 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.
Power board
(Include: adapter, inverter)
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Monitor Block Diagram
CCFL Drive.
Audio board
AC-IN
100V-240V
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Flat Panel and
CCFL backlight
main board
Key board
HOST Computer
5
Hanns.G AG172D
RS232 Connector
For white balance
adjustment in factory
mode
Video signal, DDC