Philips 273E3QHSB/93 - Power Board

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Meridian 3
16
5.2 Power Board
EMI Filter Circuit
Input AC Source 85v / 60 Hz ~ 264v / 50 Hz
Inrush Prevention
Rectification
Main Transformer
Switching Circuit ( PWM Control IC & MOSFET )
Rectification
Feedback Control Circuit
B+
Diode Rectifier and Filter Circuit
Output (+5V) To Main board /Audio *2W
Fuse For OLP
Diode Rectifier and Filter Circuit
Output (+16V) To USB(Option) Circuit
Diode Rectifier and Filter Circuit
PWM Control Circuit
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LED Driver IC OZ9998BGN
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Driver Circuit ( Full Bridge )
LED Panel
Abnormal Protect Control Circuit
Feedback Control Circuit
Dimming Control Circuit
ON / OFF Control Signal ( 16v: on / 0v:off )
Dimming Control Signal (Burst model Signal )
Adapter Block Circuit
Converter Block Circuit