Lcd Monitor Description; Monitor Block Diagram - HP L1940T Service Manual

19" LCD Color Monitor

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
(Include adapter and inverter)
AC-IN
110V-240V

Monitor Block Diagram

CCFT Drive.
Audio board
5
Flat Panel and
CCFL backlight
Main Board
Keyboard
HOST Computer
HP L1940T
RS232 Connector
For white balance
adjustment in
factory mode
Video signal, DDC