Question about Toshiba 50HP66 50 in. Plasma Television
Normally, this happens when the TV detects a bad circuit board and goes into " Protection Mode ".
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 symptoms.
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 warranty, 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 16, 2009
50 in plasma Toshiba screen do not work
Posted on Oct 19, 2009
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Posted on Jan 02, 2017
SOURCE: toshiba 50 inch plasma
This is an indication that there may be a problem in the power supply, possibly bad capacitors, and or defective active components. I would suggest first checking to see if there are any blown fuses, and or loose connections. Past this point I would advise that you either take the TV to a TV repair shop or have a TV technician troubleshoot the TV in home to determine the problem it is having.
I hope this helps,
Posted on Aug 10, 2008
Since your plasma is less then a year old, I would suggest to contact the manufacturers to get it fix under warranty. If the plasma keeps shutting off by itself, that is not normal and should be repair.
Posted on Jan 28, 2009
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