Lcd Monitor Description - Philips 227E3QPHSU/27 Service Manual

2. LCD Monitor Description

The LCD monitor will contain a scaler board, a power board, a headphone board, two IR boards, a LED board 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.
Power Board
(Include Converter board)
AC IN
90 ~ 264 V
Monitor Bock Diagram
LED Drive
Scaler Board
(Include Audio)
Key Board
LED Board
Headphone
Board
LED panel
IR Boards
Video signal, DDC
HOST Computer
Meridian 3 7
HDMI
DVI-D
D-SUB