Question about Vizio GV47LF Television

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I have sound but no picture on my 50 inch led what could be wrong

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There is no back-light. This is the fault. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience.
http://electronicshelponline.blogspot.com/ Pull up older posts there.

Posted on Mar 26, 2014

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Posted on Jan 02, 2017

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I have a 50 inch Toshiba 50L4300U that has no picture but has sound. What board do I replace?


Do this test first. With the TV on normally, shine a flashlight on the screen. look for a dim moving picture.
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2) If you DON'T see a picture replace the T-Con board.
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1 Answer

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Hi,
There is something wrong with its video section . Change video card I think it is faulty .

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1 Answer

I have a 50 inch Hisense TV and the picture went out but I'm still receiving sound.... Can you please help me with a fix for the problem?


It all depends what has led up to the problem, however if there has
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First just check all cables are firmly connected. If that does not work then....
Unplug tv, disconnect from cable box, satellite box, any receivers.
Also turn power off to them as well.
Connect everything back and turn on.

Here is a video of other generic problems that can go wrong on any
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1 Answer

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In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

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1 Answer

No sound in my 50 inch i have picture but no sound


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1 Answer

I have a 50'' Panasonic LED monitor TV about 4 years old the past week it has had a green cast to the picture what might be wrong??


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