AOC Wipro WLA171t - Page 17

17” LCD Color Monitor Wipro WLA171t
17
5.2.2 Power Board
CN102
EMI filter
Bridge
Rectifier
and Filter
Start Circuit: R906、R907
PWM
Control IC
Transformer
Over
Voltage
Protect
Rectifier
diodes
AC input
12V
ON/OFF Control
PWM
Control IC
Feedback
Circuit
Output
Circuit
Transformer
MOSFET
Q203、Q204
Lamp
ON/OFF
DIM
PWM
Feedback
Circuit