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LCD MONITOR DESCRIPTION
The LCD MONITOR will contain an main board, an inverter board, a power switch board and a keyboard. The
main board will house the flat panel control logic, brightness control logic, DDC and DC-DC conversion to
supply the appropriate power to the whole board and LCD panel, and transmitting TTL level signals into LCD
Module to drive the LCD display circuit.
The inverter board will drive the two CCFLs (Cold Cathode Fluorescent Tube).
The switching power board will provides the power ON/OFF control over the whole monitor and control for
DPMS LED indicator.
The function keyboard will provides the OSD control signal to the Main Board.
Inverter
AC-IN
1-3
Interface Connectors
(A) Power Cable
(B) Video Signal Connectors and Cable
CCFT Drive.
ADAPTER
Monitor Block Diagram
Main Board
Keyboard
4
Flat Panel
HOST Computer
Video signal, DDC
RS232 Connector
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