BenQ GL2040 - Page 66

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