Lcd Monitor Description; Operation Instructions; General Instructions - HP L1940T Series Service Manual

2. LCD Monitor Description

The LCD Monitor will contain main board, power board, key board and 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
AC-IN
110-240V

3. Operation Instructions

3.1 General Instructions

Press the power button to turn the monitor on or off. The other control buttons are located at front of the panel.
By changing these settings, the picture can be adjusted to your personal performance.
The power cord should be connected .
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Connect the video cable from the monitor to the computer VGA card.
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Press the power button to turn on the monitor, the power indicator will light up to Green.
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Monitor Block Diagram
CCFT Drive.
Keyboard
5
Flat Panel and
CCFL backlight
Main Board
HOST Computer
HP L1940T
RS232 Connector
For white balance
adjustment in
factory mode
Video signal, DDC