Topview A2281Wd+ - Page 20

22” LCD Color Monitor Topview A2281Wd+
20
5.2.2 Power Board
AC input
100V~240V
VEMI filter Rectifier
Transformer
Output
Rectifier
5V
16V
Main
Board/Inverter
Circuit
Power Switching
Sense Resistor
PWM Control IC
Photo Couple
Sampling
16V DC
Switching MOS
Transformer
Resonance NET
High Voltage Output
IC Power Supply
Converter
PWM Control IC Open Lamp Protection
Current Sampling