Asus VH222S Service Manual page 17

Service Manual
4.2.2 Inverter/Power Board
AC input
EMI filter
Lamp
Bridge
Rectifier
and Filter
Start Circuit: R908, R911
PWM Control
IC LD7576
Output
Transformer
Circuit
Feedback
Circuit
Over Voltage
Rectifier
Transformer
diodes
Feedback
Circuit
MOSFET
PWM Control
IC TL494IDR
17
ASUS VH222S&VH222D
5V
14.5V
ON/OFF
ON/OFF
Control
DIM
CN902