AOC TS185LBE - Power Board

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