Service manual

30
5.2 Power Board
14.5V
EMI filter
Start Resistor
(R908,R911)
PWM Control
LD7576AGR
(U901)
Bridge
Rectifier
and Filter
Rectifier
diodes
Transformer
(T901)
Feedback
Circuit
Regulator
(IC903)
5V
Photo coupler
(U902)
Power Switch
(Q901)
D801
C809
PWM Control
MP3389EF
(U801)
14.5V
MOSFET
(Q806)
ON/OFF
DIM
L801
LED
(CN805)