Power Board - AOC TS185LBE Service Manual

5.2 Power board

AC input
EMI filter
14.5V
DIM
On/Off
Bridge Rectifier
and Filter
Start Resistor
(R908、R911)
PWM Control
LD7576AGR
(U901)
L801
IC LED DRIVER
OZ9998BGN-A1-0-TR
(U801)
Rectifier diodes
Transformer
(T901)
Rectifier diodes
PWM Adjust
P0765ATF
(Q901)
Photo coupler
(U902)
D801
21
+14.5V
+5V
Feedback
Circuit
OVP feedback
Current mirror circuit
CN902
LED
(CN803)