Samsung UE55KS9000 Picture Jumping / Cycling

[googereviewinguser]

Hey guys

Bit of a last ditch attempt this, but figure it's worth the question.

Picture is jumping on the tv. As per video :

https://www.youtube.com/watch?v=j4ZFHuxx3vw

Then leave it going for a while and it starts to cycle :

https://www.youtube.com/watch?v=vhq2-czrEI0

Replaced the main board.
Replaced the power board.
Replaced the ribbon cables to the tv.

No change, so I think this pretty much confirms it's the Panel (unless I've been very unlucky in picking up new boards with the same problem)

Any other suggestions ?

(bin it, I know ...)

Thanks!

[nomoresonys]

Re: Samsung UE55KS9000 Picture Jumping / Cycling

Could be a tcon issue.

[nomoresonys]

Re: Samsung UE55KS9000 Picture Jumping / Cycling

Don't see any tcons for sale, guessing it's integrated and not replaceable.

[googereviewinguser]

Re: Samsung UE55KS9000 Picture Jumping / Cycling

Yeh I cant see any tcon board in there.

[nomoresonys]

Re: Samsung UE55KS9000 Picture Jumping / Cycling

Could try a system reset and a firmware update if available.

[budwich]

Re: Samsung UE55KS9000 Picture Jumping / Cycling

post a picture of the back to show the boards / interconnections.

[capwizard]

Re: Samsung UE55KS9000 Picture Jumping / Cycling

I bet you it is Chip-on-film (COF) one of the IC chip on PI film has problem or tcon-on-screen.... one of the synchronization signal has intermittent problem.

I think you can use the freeze spray to locate the problem.