AOC NC AG191A Service Manual page 5

19" LCD Color Monitor
2. LCD Monitor Description
Assembly Description
The LCD MONITOR will contain 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
AC-IN
100V-240V
Monitor Block Diagram
CCFL Drive.
（Include Main Board）
Key board
Flat Panel and
CCFL Backlight
PANEL
HOST Computer
5
I-INC AG191A
RS232 Connector
For white balance
adjustment in factory
mode
Video signal, DDC