Service manual

19″ LCD Monitor Wipro WA19W
18
5.2.2 Power Board
5V DC
APA2069JITUL
Audio Power Amplifier
(
IC601
)
CN602
A
udio L/R
DIM
ON/OFF
Feedback Circuit
Transformer
(PT801)
MOSFET
(Q805,Q806)
Lamp
Output
Circuit
PWM Control
OZ9938GN
(IC801)
16V
EMI filter
Start Resistor
(
R904, R905, R906
)
PWM Control
LD7552DPS
(
IC901
)
Transformer
(T901)
AC input
16V
5V
Bridge Rectifie
r
and Filter
Rectifier diodes
Power Switch
(Q901)
Photocoupler
(IC903)
Regulator
(IC904)