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Televisions made by the Chinese multinational electronics company, TCL.

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What is this and how do I fix it?

Does anyone know what this is??? It's just a perfect bar across my TV screen and it's driving me nuts! I'm used to the normal pixel dying but I've never had one look like this it's just perfectly down the center and all crisp lines? It does it no matter what and I've tried adjusting the picture but it never goes away.

Update (04/07/2021)

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Ahoy Zeldie ;

Not knowing anything about this ‘Chinese’ TV , regardless if it is plasma or led it would appear one of the multiplexing chips on the board across the bottom has gone bad . A re-seat of the ribbon connectors may help . It could also be a problem in the main board . Too bad you dont have a set to swap boards to for sure pinpoint culprit . Check for loose mounting screws for board to chassis .

If there is a service shop you can reach that services these they could swap out or UNLIKELY have the service jigs and diags to tell them which board .

The screen appears fine BUT there is a small chance it is a failed mating of ribbon cable to screen matrix .

I would hate to spend any money on that set when you could go to Walmart clearance and get a large set for less than 300 $cdn

Luck

Hugh

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Zeldie estará eternamente agradecido.
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