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How do I know what board is causing vertical lines?

I have a vizio tv that is showing vertical lines (no picture) when I open up the back panel. I have a board with AV ports on it. From there, it connects to the bottom right (narrow board) then with 2 small ribbons, it connects to the left narrow board. When I disconnect the left, my picture comes back on half the screen. Does that mean the narrow board on the left is defective?

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Larry

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  • Vizio Master
  • 4,694 Answers

It's actually the panel that's bad, not the board, one of your clock lines are shorted but it can be fixed with a piece of scotch tape by masking off the correct clock line, there should be 8 of them and it will give a decent picture just using 7, there are some youtube vids that describe how to find the pin to block if you want to dig into it.

Posted on Nov 15, 2022

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My Vizio TV has a bar of colored lines running veritcally over the picture. Should I replace the T-Con board?

What causes vertical colored lines on a TV screen? When a TV is showing vertical colored lines, a loose wire cable in the TV might be the cause. If you knock on the back of the TV, the vertical colored lines MAY disappear temporarily. This is a sign that a cable is loose or the T-Con board is faulty.

https://removeandreplace.com/2018/05/01/tv-has-different-color-vertical-lines-on-screen-how-to-fix/
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Vizio VW46LFHDTV10A vertical lines on either side of the screen. I tapped screen and left side lines disappeared.

If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
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How to fix Multi color Vertical Lines on a Vizio E470i-AO TV

Does the menu function display the same lines? What kind of cables are using ? (HDMI, Component vid, S-video, co-ax)
Were you as tenacious checking all cables/connections as you were the electronics? Lets rule out this all too often over-looked possibility.
Do you still get the lines with nothing connected to the TV? (no source connected)
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How do I fix vertical lines on my TV?

Line Defects On Vizio TV Screens - Vizio TV Help

vizhdtv.com/line-defects-on-vizio-tv-screens/
Aug 26, 2015 - If you see a line on your TV screen it might be the result of several causes. Some might be simple to fix and others may actually require you to replace theTV. Pixels on a TVs display panel are organized in groups of straight vertical lines. ...Notice the line defect above is red but they can be white, green, ...

how to repair vizio lcd tv vertical lines then fail - YouTube

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how to repair vizio lcd tv vertical lines then fail ... I do know quite a bit, not everything but I do know my fair share about tvs. this tv needed a new ...

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TV Repair help with troubleshooting lines on your TV Screen. ... I have Vizio M470SL. My TV has .... Why does my T.V. suck Don't buy Rca T.V..

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Why are there vertical colored lines all over screen?

Thin vertical lines cover screen on Samsung LCD - AVS Forum ' Home ...

www.avsforum.com/...lcd-flat-panel.../1127410-thin-vertical-lines-cover...

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Recently I have been getting white vertical lines and a lot of white grainy pictures on my Vizio plasma tv when watching HD channels and DVD and Blue-rays. Does anyone know what may be wrong? Is it an...

Does these lines show up when you are in the menu? If so I would say that your logic board is defective. If the lines are not present in the menu you should look at replacing the main board. The good thing is, your panel is just fine.
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I have a 47" Vizio

This problems the tv serveral vertical lines show up on the LCD screen panel by itself?Yes,the tv board that call the T-CON decodering board is dying.The T-CON decodering board it sit at the middle bottom of the LCD screen panel.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish T-CON decodering board for the replacement.If these vertical lines cause by an object or a person by hitting the LCD screen panel,tv is not repairable,because the LCD screen panel is dead not worth replacing because the LCD screen panel are 90% important to the tv and cost the same as a new tv.
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