Lcd Monitor Description - Philips 240P4QPYEB/00 Service Manual

Meridian 3 7

2. LCD Monitor Description

The LCD monitor will contain a scaler board, a power board, an IR board, a head phone jack board (only for
240P4QPYE) and a key board. The scaler board houses 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 scaler board chips
each voltage.
Monitor Block Diagram
LED Panel
Key Board
LED Drive
Scaler Board Power Board
AC IN
100 ~ 240 V
(Include: Audio)
Head Phone Jack Board
IR Board
(Only for 240P4QPYE)
Video signal, DDC
HOST Computer