Philips 191E2SB/00 Service Manual page 8

Meridian 2
8
191EL2
The LCD monitor will contain a scaler board, an adapter board, a converter board and a key board. 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.
Converter Board
Adapter Board
Monitor Block Diagram
DC 12V
AC IN
90 ~ 264 V
LED Drive
LED Panel
Scaler Board
Key Board
HOST Computer
DVI-D
D-SUB
Video signal, DDC