Lcd Monitor Description - HP W19 Service Manual

19" LCD Color Monitor

2. LCD Monitor Description

The LCD Monitor will contain main board, power board, key board and an audio 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.
Inverter board
Adaptor board
AC-IN
100V-240V
Monitor Block Diagram
CCFL Drive.
DC-IN
12V
Flat Panel and
CCFL backlight
Main Board
Keyboard
HOST Computer
4
HP W19
RS232 Connector
For white balance
adjustment in factory
mode
Video signal