Lcd Monitor Description - Philips 221P3LPYES/00 Service Manual

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.
USB Board
PC USB
Monitor Block Diagram
LED Drive
Converter Board
Adapter Board
(include audio)
AC IN
90 ~ 264 V
LED Panel
Scaler Board
Key Board Light Board
HOST Computer
Meridian 3 7
DP
DVI
D-SUB
IR Boards
Video signal, DDC