Samsung TV Flickering - MU6070

Jan 14, 2020 1:17PM PST

I purchased a Samsung TV back in July of 2019. Model number is UN58MU6070FXZC. It has had a green / blue flickering issue that has only happened a couple times over the months I've owned it.

There is no lead up to the issue, but it does create white noise on the bottom 1/4 of the screen just seconds before the flickering starts.

It should be noted that this is not just because of external sources, and happens throughout the TV including the built-in APPs and the menus. Turning the TV off then back on immediately fixes the problem.

This has not happened to me on any startup, just after a little bit of watching. Not sure what is causing this but any advice would be appreciated.

I do have a YouTube video of the issue which may be of some help.

I have been emailing Samsung support for the past week just trying to get someone to come check it out. The only problem I could see having is I can not get the TV to recreate this issue, and it happens at random. House is not particularly warm (maybe 20-24c), I have switched outlets, and turned on anything that is on the same circuit to rule those out as a problem. I have also done the basic troubleshooting of resetting the TV and changing some settings (turning ECO off etc).

This has me completely stumped.

Post was last edited on January 14, 2020 2:06 PM PST

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There be dragons. Also, WOULD NOT WORK ON IT. Why?
Jan 14, 2020 2:07PM PST
THIS UNIT WOULD NOT BE TAKEN INTO ANYWHERE BUT SAMSUNG or where the warranty is. It does NOT matter you can't reproduce it on demand. What matters is that you call it in, GET YOUR SERVICE TICKET (number) and let them deal with the set.

But let's say you bought in in the USA and went to another country and there is no warranty for that. The following is fairly generic so I'll write it here:

Let me lead with this sort of work is going to have us getting into areas that can be dangerous to LETHAL. With this warning out of the way let's continue.

If this was mine I'd get the back cover off and try the most common free simple thing. Ready? With the power removed and waiting for voltages to drain and even then practicing safe electrical practices (which I will not write here as that is up to the tech or repair persons) I would:
1. Remove connections and power to the set.
2. Remove the back cover (see youtubes on how.)
3. Gently unplug and re-plug all connections.
4. Test.

If that doesn't help then it's one of the board or panel failures. Panels cost too much so if you find it's not fixed with the usual boards (TCON, main board) then you send the set to the recycle center and shop for a new set.
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Thanks for the Idea!
Jan 14, 2020 3:44PM PST

I'm still trying to get Samsung to send me out a technician, which apparently takes a day and age for them to even want to.

Hopefully when I call them back later today they will get me an appointment so that I can have someone come and check it out.

If not, and the warranty eventually runs out I will keep these things in mind. If the problem happens after the warranty and I end up bricking the TV i'll just go out and get something else.

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