1.check HOTon power supply
2.check also diodes on primary stage on your power supply
3. replace optocopler.
before switching on connect a bulb between 2 end of your fuse holder if the bulb light there are other faulty components in your circuit if the bulb dim or clickig the circuit is ok
replace the bilb by anew fuse (same rated).
4. switch on your tv.
fundi shaft, December 2005