Dell E178FPC Service Manual page 25

17" LCD Color Monitor
5.2.2 Inverter and Power Board
AC input
EMI
Start Circuit
R905
Output
Circuit
Lamp
Feedback
Circuit
Bridge
Transformer
Rectifier
and Filter
PWM
Control IC
Transformer
Over
Voltage
Protect
Rectifier
diodes
Feedback
Over
Circuit
Voltage
Protect
MOSFET
PWM
Control IC
25
Dell E178FPC
5V
12V
ON/OFF
ON/OFF
Control
DIM