Samsung 720N Service Manual page 48

13 Circuit Descriptions
13-2 IP BOARD part(Inverter Part)
Vin voltage
(+14.2V)
DC to DC
(+14.2V to 5.0V)
Brightness
control signal
CCFL PWM
Control IC IC501
ON/OFF
13-4
Transformer
T501
MosFET
U501
MosFET
U502
Transformer
T502
Voltage
feedback
Current
feedback
CCFL1
CCFL2
CCFL1
CCFL2