Casper 19CSPR Service Manual page 17

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