Question about Televison & Video
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: panasonic 50 inch plasma
You should call for warranty service. If the set is very new try to get it exchanged.
There are some very heavy duty power supplies and many high power matrix drivers used in Plasma sets.
The description sounds like the noises are very loud. It is normal with any of these TV sets, if you put your ear right up to the back of the set at the vent holes you will hear some noises. These would be some acoustic harmonics from the power supplies and related circuits.
I am wondering if it is possible that there is something that is becoming less stable. If the set is working very well without any failure, so-far this is a very good sign. Before it gets to be a problem, I would have this checked.
On many models of these sets, they use fans for cooling specific areas. A bad fan can cause noise.
Posted on Apr 14, 2008
If you have lost your freeview channels & your picture has been breaking up (pixelating / freezing) etc as well as crackle on the audio, then I would suspect you check your antenna, it could be your incoming signal is weak which would give you these problems.
Posted on Aug 14, 2009
THE VIZIO XVT553SV has a know problem of random power cycles and random shut offs.
It is recommended you call Vizio Technical Support for a proper and permanent solution.
Toll-Free: 877.698.4946 (877 MY VIZIO) Technical Support if you don't get proper assistance at that number call the Executive Office at Phone: 949.428.2525
Posted on Jul 18, 2011
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