Samsung UN65MU7600F vertical lines. No meaningful image.

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Samsung UN65MU7600F

65" UHD 4K Curved Smart TV MU7600 Series 6

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InsideOutelEctronics @insideoute83341

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发帖于: 2023年4月5日

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Samsung UN65MU7600F vertical lines. No meaningful image.

This is Samsung 65, curved 4K TV UN65MU7600F

Got some panel damage but it was working fine since, as damage is isolated to small portion of right corner. One day when we power it up showed up like this ! ( see photos )And we cannot get to work since.Nothing connected still same story. Lines are changing when something is connected ( Chromecast or Laptop ) or poking with remote and showing Menu for example.

I re-seated all ribbon cables, cleaned up connectors as well. Poked around panel ribbon connectors hoping there is some breakage but no luck.

TV is alive it reacts to remote and when laptop is connected picture is changing when I poke with mouse.

Also I have done TV factory reset blindly :D it also produces sound.

!!! I do believe this is NOT due to cracked panel as it was working fine for years !!!

I've seen some posts suggesting to check resistors on LCD interconnect boards.

What do you guys think about this fault ? Can I fix it ? Anything else I can try ?

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InsideOutelEctronics @insideoute83341

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发帖于: 2023年5月17日

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I have fixed it! And here is the solution !

https://youtu.be/-hWXlhcl_9I

So what I have done - cleanup interconnect boards from goo that deposited on capacitors from the decomposing tapes that holding those interconnect boards.

Please see video for better explanation
So this has nothing to do with slightly cracked panel

Uncle Misha never gives up :D

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Jri-creator @jri_creator 声誉积分: 551 6 2 · Answer 1 · 2023-04-06T08:08:19-07:00

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Jri-creator @jri_creator

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发帖于: 2023年4月6日

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I'm sad to say, but it could be that crack in the screen that's isolated in the bottom right corner. I don't want to blame it on that though since it could be the capacitor problem, but due to the fact that the screen is curved, it could have increased the crack size, breaking the screen. Even though you might say that the screen crack may not be the issue, I'm sad to say it could be, and you may have to replace the TV screen system AKA TV screen which is going to be really hard to do especially with curved TVs. I suggest you take it to a technician. With curved Tv screens, any cracks in it slowly increase through time.

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