Power Board - Philips 246V5LSB/93 Service Manual

18 Meridian 3
5.2 Power Board （for 246V5LSB）
AC input
LED
(CN804)
Bridge
EMI filter Rectifier
and Filter
Start Resistor
(R911/R908)
PWM Control
(U901)
Feedback Circuit
Rectifier
Transformer
diodes
Power Switch
(Q901)
Photo coupler
(U902)
D801 L801
MOSFET
(Q801)
PWM Control
OZ9998ALN
(U801)
14.5V
5V
Feedback
Circuit
14.5V
ON/OFF
DIM