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Repair and disassembly information for the Samsung 55" UHD television with model numbers UN55MU6290xxxx. Released in 2017.

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Vertical and horizontal lines

My son accidentally hit the screen with a toy and after that vertical and horizontal lines started to appear. It looks like a crack on the place of impact but no crack on the screen. Is it possible to fix those lines? My model is samsung UN55MU8000

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Have you taken a look at the back of the panel? Lines where there was physical impact sounds like the panel may be slightly cracked. Usually you can see this better from the back.

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Ritesh Mengji  going by your description of the incident and what you see afterwards, it sounds like a broken LCD panel. Of course, post some pictures of what your screen shows with your question. That way we can see what you see. Use this guide Adding images to an existing question for that.

If it is the LCD panel it’ll be very tricky. Panels that size are almost impossible to get. If you are lucky enough to find a replacement it will most likely cost you more than a new TV. You would have to remove the back from your TV and check the label on the LCD itself. Use the model number on the actual LCD to do an online search for a replacement. Check sites like Craigslist, Ebay and other auction sites as well.

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Ritesh Mengji will be eternally grateful.
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