Dell E1909Wc Service Manual page 28

19" LCD Color Monitor
5.2.2 Inverter and Power Board
AC input
EMI
Rectify and
Output
Lamp
Feedback
Circuit
Bridge
Rectifier
Start Circuit
R932, R904, R933
PWM
Control IC
DC Convert
Circuit
Over
Voltage
Protect
Rectifier
Transformer
diodes
Feedback
Over
Circuit
Voltage
MOSFET
PWM
Control IC
28
Dell E1909Wc
5V
12V
ON/OFF
ON/OFF
Control
DIM
CN902