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Power Board Diagram
AC input
EMI filter
Lamp
Feedback
Circuit
CN601
Bridge
Rectifier
and Filter
Start Resistor
(R904, R905)
PWM Control
(IC901)
Output
Transformer
Circuit
PHONEJACK
Transformer
Power Switch
(Q901)
Photo coupler
(IC903)
MOSFET
(PT801)
PWM Control
TA9687GN
(IC801)
Audio Power Amplifier
APA2069JITUL
IC601
15
Rectifier
diodes
(Q803)
16V
5V
Feedback
Circuit
16V
5V
ON/OFF
DIM
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