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A 64.52" LED 2160p 4K UHD Television released in 2015.

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Vizio P65-C1 extreme brightness issue

This morning I powered on my P65-C1 and the screen was incredibly bright. By bright I mean almost white. We had made no changes to any settings. I tried adjusting brightness and backlight and no change. It’s just plain ‘white’. I’m used to TVs eventually dimming, not the reverse.

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I’ve done some research but can’t find any references to this specific issue. I’m not adverse to trying some repairs rather than having to replace it, it’s only a few years old! TVs sure are what they used to be!

Can anyone suggest next steps? I’ve tried factory resets, everything it just stays white. Could this need a motherboard replacement?

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@jostewcrew Thanks very much! Apparently you understand ‘Mom speak’ better than Google! Will check it out!

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@momof4boys … From your image, this isnt caused by your backlights. This is what is known as whitewash. This is caused by a faulty tcon board. You can google the symptom and images via google/youtube. here is one for reference:

https://www.youtube.com/watch?v=OvpZyYfd...

Changing your tcon board will solve your issue. You can google your model number along with tcon replacement and find a vendor online. Here is one from a vendor i use often:

https://www.tvpartstoday.com/55-65T40-C0...

hope this helps, post back with success update or any questions you may have.

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Tanya Barton estará eternamente agradecido.
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