Lenovo L222 Wide Service Manual page 18

22" LCD Color Monitor
5.2.2 Inverter/Power Board
AC input
EMI filter
Lamp
Bridge
Rectifier
and Filter
Start Circuit: R905
PWM Control IC
（IC901）
Output
Transformer
Circuit
Over Voltage
Feedback
Circuit
Rectifier
Transformer
diodes
Feedback
Circuit
MOSFET
PWM
Control IC
（IC801）
18
Lenovo L222 Wide
CN902
5V
12V
ON/OFF
ON/OFF
Control
DIM