Question about Vizio L32 32 in. LCD HDTV
Our Vizio 32" hdtv lcd kept clicking off while watching and now won't turn back on. Seems to have power running to it. 3 years old.
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. The most common thing to go bad is the power supply for the screen. Most manufactures call it a Blacklight Inverter Board. Most TVs have a " Protection Mode ". That's when the TV detects a bad circuit board and automatically turns itself OFF so it can protect the other components inside the TV.
But, I can't say which board is the problem 100% because I can't actually look at the tv over the internet. I can only make guesses with the symptoms. I'm sure it going to be a power supply related problem.
You have a few choices:
1. You can try leaving the TV unplugged for 30 - 45 minutes so the TV can discharge and reset itself.
2. If by chance the TV is still under some extented warranty by Vizio, go that route.
3. 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.
4. 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 18, 2009
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Posted on Jan 02, 2017
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