Power Board - Asus VS239H Service Manual

Service Manual

4.2 Power Board

AC input
EMI filter
16V
DIM
ON/OFF
Bridge
Rectifier
and Filter
Start Resistor
(R905,R908,R909)
PWM Control
(IC901)
L801
PWM Control
OZ9998AGN
(IC801)
Transformer
Power Switch
(Q901)
Photo coupler
(IC902)
ZD801
Q801
18
ASUS VS239H
Rectifier
diodes
Feedback
Circuit
LED
(CN802)
16V
5V