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5.2 Power Board
AC input
EMI filter
12V
ENA
DIM
Bridge
Rectifier
and Filter
Start Resistor
(R908,R911)
PWM Control
LD7576AGR
(U901)
L801
MOSFET
(Q801)
PWM Control
OZ9998AGN
(IC801)
Transformer
Rectifier
(T901)
diodes
Power Switch
(Q901)
Photo coupler
(U902)
ZD801
23
14.5V
5V
Feedback
Circuit
Regulator
(IC903)
LED
(CN805)
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