Question about Sylvania Televison & Video
Most likely the TV has a power supply related problem. It's possible that it maybe a bad capacitor or transformer on the power supply board.
But, I can't say it's 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptom.
You have a few choices:
1. If by chance the TV is still under warranty, go that route.
2. If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists.Usually, cost under $20. And most cases the new part cost less than $15.
3. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV.
I hope I shed some light on the subject for you.
Posted on Jul 12, 2009
SWITCH MODE TRANSFORMER PROBLEM WILL USUALLY MAKE HIGH HISS NOISES REPLACE IT.
Posted on Sep 10, 2010
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Posted on Jan 02, 2017
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