AOC 919Pz - Power Board

18
5.2 Power Board
EMI filter
Start Resistor
(R904,R905)
PWM Control
(IC901)
Transformer
AC input
5V
ON/OFF
Feedback
Circui
t
Transformer
(PT801)
MOSFET
(Q805, Q806)
Lamp
16V
Bridge
Rectifier
and Filter
Feedback
Circuit
Rectifier
diodes
Output
Circui
t
PWM Control
TA9687GN
(IC801)
Power Switch
(Q901)
Photo coupler
(IC903)
16V
DIM
PID
5V
+5V
Audio Power Amplifier
APA2069JITUL
(IC601)
CN601
(
Phone Jack
)
CN602