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5.2 Power Board
AC input
EMI filter
12V
PWM
ON/OFF
12V
PWM
ON/OFF
Bridge
Rectifier
and Filter
Start Resistor
(R934, R906)
PWM Control
(IC901)
MOSFET
(Q801)
PWM Control
OZ9955ALN
(U801)
MOSFET
(Q802)
PWM Control
OZ9955ALN
(U802)
Transformer
Power Switch
(Q901)
Photo coupler
(IC902)
D801
L801
D802
L802
23
Rectifier
diodes
Feedback
Circuit
LED
(CN802)
LED
(CN803)
12V
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