Asus VW221D Service Manual page 19

22" LCD Color Monitor
5.2.2 Inverter/Power Board
AC input
EMI filter
Start Circuit: R904, R932, R933
PWM Control IC
Output
Circuit
Lamp
Feedback
Circuit
Bridge
Transformer
Rectifier
and Filter
Transformer
Over Voltage
ASUS VW221D&VW221DE&VW221S
Rectifier
diodes
Feedback
Circuit
MOSFET
PWM
Control IC
（IC801）
19
CN902
5V
12V
ON/OFF
ON/OFF
Control
DIM