20
"
&22
"
LCD Color Monitor FSC P20W-5&P22W-5
- 21 -
5.2.2 Power Board Block Diagram
EMI filter
Bridge Rectifier
and Filter
Start Circuit
R903, R904, R905
PWM
Control IC
Transformer
Over Voltage
Protect
Rectifier
Diodes
AC input
5V
12V
ON/OFF
Control
PWM
Control IC
Feedback
Circuit
Output
Circuit
DC Convert
Circuit
MOSFET Q802, Q803,
Over Voltage
Lamp
ON/OFF
DIM
CN902
Содержание P20W-5
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