AOC M19W531 - Page 20

1 9" LCD Color Monitor AOC M19W53
20
4.2.2 Inverter / Power Board .2.2 Inverter / Power Board
Lamp
EMI filter
Feedback
Circuit
Start Circuit: R903、R904
Output
Circuit
PWM
Control IC
Bridge
Rectifier
and Filter
Transformer
Transformer
Over
Voltage
Protect
PWM
Control IC
MOSFET
Q203
、
Q204
PWM
Rectifier
diodes
Feedback
Circuit
CN102 CN102
ON/OFF Control
DIM
12V
U101
ON/OFF
12V
5V