Asus VW221D Service Manual page 5

22" LCD Color Monitor
2. LCD Monitor Description
VW221D
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.
Powe Board
VW221S
The LCD monitor will contain a main board, a power board, an audio 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
Speakers
B/L control
+5V
AC INPUT
Power Board
+12V
AC INPUT
ASUS VW221D&VW221DE&VW221S
LCD PANEL
Key Board
LCD PANEL
B/L control
+5V
Audio
Audio Control
Board
Audio in
Key Board
5
+ 5V
LVDS
Scalar Board
D-SUB
+ 5V
LVDS wire
Scalar Board
D-SUB