Fujitsu FSC P20W-3 Service Manual page 18

20" LCD Color Monitor
5.2.2 Power Board Block Diagram
AC input
Lamp
Bridge Rectifier
EMI filter
and Filter
Start Circuit
R903, R904, R905
PWM
Control IC
Output
Circuit
Feedback
Circuit
Over Voltage
Transformer
Over Voltage
Protect
DC Convert
MOSFET Q805, Q806,
Circuit
PWM
Control IC
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FSC P20W-3
Rectifier
Diodes
CN902
5V
12V
ON/OFF
DIM
ON/OFF
Control