AOC 197Pk2 Service Manual page 15

19" LCD Color Monitor
6.2.2 Inverter / Power Board
AC input
EMI filte r
Start Circuit: R905、R906、
R907、R908、R909、R910
Lamp
Feedback
Circuit
Bridge
Rectifier
and Filter
PWM
Control IC
OSC and
DC Convert
Output
Circuit
Circuit
Over Voltage
Protect
Rectifier
Transformer
diode
MOSFET
PWM
PWM
Control IC
15
AOC 197Pk2
12V
Over
Voltage
Protect
ON/OFF
ON/OFF Control
DIM
5V