Question about Konka K3290U 32" TV
When turning on my Tv worked good but about 20 minutes it sounds crack then off suddenly.I unplugged it .Staying away for 1 week.I plugged again.It worked and then off as before , after 15 or 20 minutes later
Something in the set is getting hot. there is freeze spray you can buy at electronics places.
open the set and run until it fails... spray a few components in the power supply and deflection.
see if it stays running.
warning in a C R T set the high voltage can be 28kvolts or higher .it can hurt or kill you.
the horizontal drive transistor runs on 160vdc and has spikes of over 2000 volts to drive the flyback transformer.
unless you really are knowing,it is best to stay out,they are dangerous
Posted on May 13, 2009
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Posted on Jan 02, 2017
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