Lcd Monitor Description - Lenovo L215P Service Manual

22" LCD Color Monitor

2. LCD Monitor Description

The LCD monitor will contain a main board, a power board a USB 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
90V-264V
Monitor Block Diagram
CCFL Drive.
Main Board
Key Board
USB Board
5
Lenovo L215P Wide
Flat Panel and
CCFL backlight
Video signal, DDC
HOST Computer
D-SUB
HDMI