Samsung 920NW - SyncMaster - 19" LCD Monitor

7 Block Diagrams
7-3
7-4 IP BOARD part(Inverter Part)
Vin voltage
(+14.2V)
Brightness
control signal
CCFL PWM
Control IC IC501
DC to DC
(+14.2V to 5.0V)
MosFET
U501
Transformer
T501
CCFL1
CCFL1
CCFL2
CCFL2
Transformer
T502
Voltage
feedback
Current
feedback
MosFET
U502
ON/OFF