Service manual

5
2. LCD Monitor Description
The LCD monitor will contain a main board, a converter board, a light sensor board, a LED board and a key board
which house the flat panel control logic, brightness control logic and DDC.
The converter board will provide DC to DC Inverter voltage to drive the backlight of panel.
AC-IN
100V-240V
Monitor Block Diagram
Converter board
Flat Panel and
LED backlight
Main Board
RS232 Connector
For white balance
adjustment in factory
mode
LED Drive.
Video signal, DDC
HOST Computer
Key Board
Adapter
LED Board
Light Sensor Board