BenQ M2400HD Service Manual - Page 36
Power Board
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UPC - 840046015916
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24" LCD Color Monitor Power Board AC input EMI filter Bridge Rectifier and Filter Transformer BenQ E2400HD Rectifier Diodes Lamp Start Circuit R904, R905 PWM Control IC Output Circuit Feedback Circuit DC Convert Circuit Over Voltage Over Voltage Protect MOSFET Q805, Q806, CN902 5V 12V ON/OFF DIM PWM Control IC ON/OFF Control 36
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24” LCD Color Monitor
BenQ E2400HD
36
Power Board
EMI filter
Bridge Rectifier
and Filter
Start Circuit
R904, R905
PWM
Control IC
Transformer
Over Voltage
Protect
Rectifier
Diodes
AC input
5V
12V
ON/OFF
Control
PWM
Control IC
Feedback
Circuit
Output
Circuit
DC Convert
Circuit
MOSFET Q805, Q806,
Over Voltage
Lamp
ON/OFF
DIM
CN902