Samsung UE55RU8000 reboot and then double image after heating up

[Cornito]

Hello team,

I'm back with another tv and another problem.
I try to improve my knowledge on fixing TV, and all technics used until now are not fixing correctly the problem.

First, reboot issue, I use tape Method to find out the right side that cases the issue.
Then using this it's working for quite 1hour30, then at some point of time the image became double on the bottom for half the screen.
Then double image reduce in height and move to the top.
The image is like folded on around 1cm and the bottom has been moved to the top by 1cm.
When I restart the tv the problem desapears during few second then come back.
When tv ia off for hours I can use it correctly during close to one hour.

It seems to me that a component is heating up causing the issue.

Do you have an idea?

Thank you in advance.

[Cornito]

It starts with the large double image then stop with the 2-3 black lines and picture like folded in the area.

Some pictures to show more

[Diah]

RU RU RU. series .... how could you ask a lame man to run marathon ??

[Cornito]

Ahah it's not a TU 😉
bit I guess that most of the Samsung are really bad

[Diah]

R, M. N. T UHD are a lame man.lol

[Cornito]

Lol; Ok, but it's the first time I face to this kind of issue and only after some times running.
What can explain this behaviour while the TV is heating up.
It seems that relative to Clock signals, as the defect if changing and moving, it seems to me that it's not the panel itself, maybe on driver bords or µC on the T-con which is integrated on MB.

Strange things