Power Board Diagram
AC input
EMI filter
Lamp
CN601
This Manual: http://www.manuallib.com/file/733325
Bridge
Rectifier
and Filter
Start Resistor
(R904, R905)
PWM Control
(IC901)
Output
Transformer
Circuit
Feedback
Circuit
PHONEJACK
Transformer
Power Switch
(Q901)
Photo coupler
(IC903)
MOSFET
(PT801)
(Q803)
PWM Control
TA9687GN
(IC801)
Audio Power Amplifier
APA2069JITUL
IC601
15
16V
Rectifier
diodes
5V
Feedback
Circuit
16V
5V
ON/OFF
DIM