Lcd Monitor Description - HCL HCM9LWAN21 Service Manual

19"W LCD Color Monitor

2. LCD Monitor Description

The LCD Monitor will contain a main board, an adapter board and an inverter 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 and inverter)
AC-IN
100V~240V
Monitor Block Diagram
CCFT Drive.
HOST Computer
5
HCL HCM9LWAN21
Flat Panel and
CCFL backlight
Main Board
RS232 Connector
For white balance
adjustment in
factory mode
Video signal, DDC