BenQ GL2040 Service Manual page 66

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Adapter Board
AC input
EMI filter
Converter Board
14.5V
DIM
ON/OFF
Bridge
Rectifier
and Filter
Start Resistor
(R908)
PWM Control
(IC901)
L801
PWM Control
MP3389EF
(U801)
Transformer
Power Switch
(Q901)
Photo coupler
(IC902)
D801
66
Rectifier
diodes
Feedback
Circuit
LED
(CN804)
16V
5V

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