Casper 19CSPR - Page 17

19″ LCD Color Monitor Casper 19CSPR
17
5.2.2 Power Board
5V DC
APA2069JITUL
Audio Power Amplifier
(
IC601
)
CN602
A
udio L/R
DIM
ON/OFF
Feedback Circuit
Transformer
(T801,T802)
MOSFET
(Q804,Q809)
PWM Control
TL494IDR
(U801)
+16V
EMI filter
Start Resistor
(R904,R905,R906)
PWM Control
LD7552DPS
(
U901
)
Transformer
(T901)
AC input
+16V
+5V
Bridge Rectifier
and Filter
Rectifier diodes
Power Switch
(Q901)
Photocoupler
(IC903)
Regulator
(IC904)
Transistor
(Q801,Q802)
MOSFET
(Q805,806,810,811)
Inverter
Connector
(CN801,CN802,
CN802,Q804)