7
Meridian 3
2. LCD Monitor Description
The LCD monitor will contain a scaler board, an adapter board, a converter board, an USB board, a light board, a
key board and two IR boards. The scaler board houses the flat panel control logic, brightness control logic and
DDC.
The adapter board will provide AC to DC inverter voltage to drive the backlight of panel and the scaler board chips
each voltage.
Monitor Block Diagram
Adapter Board
(include audio)
LED Panel
Scaler Board
DVI-D
D-SUB
LED Drive
Key Board
Video signal, DDC
HOST Computer
AC IN
90 ~ 264 V
Light Board
Converter Board
IR Boards
USB Board
PC USB