Acer B223W - Bdmr - 22" LCD Monitor Manuale di servizio - Pagina 14

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Monitor Block Diagram

The LCD MONITOR will contain a main board, a power board, a USB board, a USB display adapter 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.

Inverter Board

(Include adapter)

AC-IN

90V-264V

CCFL Drive.

Key board

Flat Panel and

CCFL backlight

Main Board

Input :

D-SUB Signal

USB signal (Changed to digital

signal by USB display adapter)