Question about Vizio Televison & Video

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My tv model e470-a0 vizio turns off and on with the backlight and the vizio on screen logo is crystal clear on startup. No picture and sound other than some very very faint scrambled lines towards the upper screen. No dust very clean. No bulged capacitors. Wiggled most components. Unplugged rc connector with no change.

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  • Vizio Master
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T con board affects picture only. since you are having issues with both the picture and audio I would suspect the main board which deals with both.

Posted on Dec 29, 2016

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I have a 32 vizio e320-a0 with a black screen with sound


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My Vizio E320i-A0 tv, has barley any picture when i pug in and turn on, VERY faint logo on screen, How do I fix it?


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1. From the Picture Settings menu, use the
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If you had no lights, I would say power supply, Logo with lights, I would go with Processor board, check ebay. It is called a main board and they run about $60. That is what I would get, but then again, how old is it? If I could replace it with a new for $250 why take a chance for $60. I have pitched them before.http://www.ebay.com/sch/i.html?_odkw=E321VL+main+board&_osacat=0&_from=R40&_trksid=p2045573.m570.l1313.TR2.TRC1.A0.XE321VL+main+board+refurbished&_nkw=E321VL+main+board+refurbished&_sacat=0
You tube also have videos if you are a electronics repair person.

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1 Answer

VT420M no sound or picture and turns off by itself


this sounds like a main board failure but a defective power supply can mimic some symptoms of a bad main board. I would recommend you get a diagnosis done on the set. If I was a betting man, I'd guess the main board

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