Asus VH222S - Page 17

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