Service manual

22” LCD Color Monitor Adelpia TGL2240A
5
2. LCD Monitor Description
The LCD MONITOR will contain a main board, a power board and a key 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 and the main board chips each voltage.
Monitor Block Diagram
Video signal, DDC
Power Board
(Contains Adapter, Inverter)
Flat Panel and
CCFL backlight
Main Board
Key board
RS232 Connector
For white balance
adjustment in factory
mode
HOST Computer
CCFL Drive.
AC IN
100V ~ 240V