Lcd Monitor Description - Lenovo L1900P Service Manual

19" LCD Color Monitor

2. LCD Monitor Description

The LCD monitor will contain a main board, a power board and a key board which house 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 main board chips
each voltage.
Power board
(Include: adapter, inverter)
AC-IN
100V-240
Monitor Block Diagram
CCFL Drive.
Main Board
Key Board
5
Flat Panel and
CCFL backlight
HOST Computer
Lenovo L1900P
DVI
D-SUB
Video signal, DDC