Lcd Monitor Description - HP LP2275w Service Manual

22" LCD Color Monitor

2. LCD Monitor Description

The LCD Monitor will contain a main board, a power board, a key board and a USB 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 board)
AC-IN
110V-240V
Monitor Block Diagram
CCFT Drive.
Key board
5
Flat Panel and
CCFL backlight
Main Board
USB board
HOST Computer
HP LP2275w
RS232 Connector
For white balance
adjustment in
factory mode
Video signal, DDC