Philips 273E3LHSB/00 - Page 16

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Meridian 3
16
5.2 Power Board
PWM Control Circuit (LED driver IC MP3389EF)
Feedback Control Circuit
Switching Circuit ( PWM Control IC & MOSFET )
Output (+16V) To USB(Option) Circuit
Dimming Control Signal (Burst model Signal )
Diode Rectifier and Filter Circuit
Driver Circuit ( Full Bridge )
Input AC Source 85v / 60 Hz ~ 264v / 50 Hz
Fuse For OLP
Converter Block Circuit
Diode Rectifier and Filter Circuit
Rectification
Feedback Control Circuit
Abnormal Protect Control Circuit
Main Transformer
ON / OFF Control Signal ( 14.5v: on / 0v:off )
Rectification
Inrush Prevention
Output (+5V) To Main board /Audio *2W
EMI Filter Circuit
Adapter Block Circuit
Dimming Control Circuit
B+
Diode Rectifier and Filter Circuit
LED panel