topic Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT in Android TV

[Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

palmeri8145 — Wed, 17 Aug 2016 12:57:35 GMT

Hi all - thanks for all the informative information I have found on this community site.

I have recently purchased the above tv and I am using it with a (UK) BT Ultra HD package. The output of the box is 2160p50 and I have set it to 10 bit colour.

Generally speaking I am very happy with the telly but I am experiencing a bug which sounds similar to the "Screen Format: Full" issue reported on another thread.

After a period of watching TV (normally longer extended periods of say 2 hours), the picture starts to judder and the "Screen Format: Full" message flicks on and off. The only way to recover this is to switch the telly off and on again which seems to allow the telly to "resync". This problem happens *every* day when watching TV at least once.

It is not a problem with the BT box as when I switch that on and off the picture problem does not clear.

I have tried different 4K related settings on the telly / BT box but the problem still occurs. Has anyone else noticed this with the TV ?

Thanks,

Ian

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

Wud1982 — Wed, 17 Aug 2016 12:58:14 GMT

Hi,

I have pretty much the exact same problem.

I don't get the full screen message and I have the problem on down deferent channels, not just the Ultra Hd channel.

I thought it was a fault so took the tv back and exchanged it for another 1 (same model) but the new 1 is doing it as well.

Did id you manage to find a fix for this?

Otherwise the to is brilliant so I'm quite gutted its doing this.

Thanks,

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

palmeri8145 — Wed, 17 Aug 2016 12:58:50 GMT

Hi there.
No I haven't found a fix for the problem.
But I think that it has been much improved since the February software
update.
I now find that it can be days between times when the picture becomes
wobbly.
I agree that it is also on SD and not just HD.
hope this helps.

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

milner993 — Wed, 17 Aug 2016 12:59:14 GMT

Ive just posted this as an issue have you found a resolve for this problem yet?

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

palmeri8145 — Wed, 17 Aug 2016 12:59:41 GMT

Hi there. No I have not found a solution to this. It still occurs several times a week. It is with all formats SD HD 4K.

I have the BT Ultra HD set output configured for 4K all the time (so it is doing the up scaling and not the telly) and it is set to 10 bit colour.

good luck with raising the issue.

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

Wud1982 — Wed, 17 Aug 2016 13:00:05 GMT

I haven't managed to completely fix this but...

The problem seems to be linked to the BT you view box / internet hub.

I have a sky box And a PS4 connect to the TV and the problem has never happened on either of these, only on BT Tv.

Ive found that when the screen starts jumping, if I move the hub away from the youview box, the screen stops jumping.

It's like spaghetti junction behind my telly so I have never got round to properly separating the cables.

But moving the boxes away from each other (I used to have the hub sat on top of the youview) defiantly improved things. It happens less often now. It still does it from time to time but I just press the 'TV' button and it stops (I have the to button set to the BT).

just for info, I only got BT in February this year and it was ok on my old telly. Also I've tried different HDMI cables etc but it made no difference.

Hope this helps, if you have any joy with this I'd be interested to know.

Good luck!!

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

milner993 — Wed, 17 Aug 2016 13:00:32 GMT

Thats really interesting as I'm also running the same Bt set up so maybe the issues really are with Bt which I would prefer its the cheaper option to get rid of

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

palmeri8145 — Wed, 17 Aug 2016 13:01:01 GMT

That's interesting but in my case it is certainly not the issue. I have the BT / YouView box in a unit under the television but the BT Hub / Router is in the other corner of the room (diagonally opposite). They are connected by a 5m ethernet cable.

My understanding is that "normal" HD and SD TV comes into the BT YouView box over the aerial and that 4K, catchup and BT sport (?) come into the BT Youview box via the ethernet cable.

So, I can't really see that moving the BT Hub should make any difference.

I still think it must be a TV thing because the only way I can "fix" it is to switch the TV off and on again - restarting the BT box doesn't fix it.

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

MiCal1967 — Wed, 17 Aug 2016 13:01:24 GMT

@palmeri8145

Did you try a different HDMI cable for BT YouView Box?.

Try one as short as possible and very good quality. Check specifications before you buy.

In order to get access to 1080p and 4K content you shall need a High Speed HDMI cable.

Cost could be more than 20 pounds for a 60cm cable.

Also check Quinnicus topic for HDMI cables:

https://community.sony.gr/t5/televisions/hdmi-problems-troubleshooting-steps/td-p/2141941

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

palmeri8145 — Wed, 17 Aug 2016 13:01:50 GMT

Yes I bought a new cable around 40£ and only 0.5 m. So it shouldn't be that.

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

MiCal1967 — Wed, 17 Aug 2016 13:02:24 GMT

Seems to be an ongoing non solved issue, possibly related to defective receivers for many people. My suspicion is a bad soldered HDMI jack, on their circuit boards.

https://community.bt.com/t5/YouView-Boxes/TV-not-seeing-uhd-youview-HDMI-signal/td-p/1569408

or this

https://community.bt.com/t5/YouView-Boxes/UHD-Box-Will-Not-Keep-its-UHD-Resolution/m-p/1625298#M29167

Also some people solved with HDMI splitter removal or adding.

I think that our Sonys do not support splitters.....

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

chrisbrowe — Wed, 17 Aug 2016 13:02:48 GMT

I too use the BT UHD box with the 43X8309C and am getting occasional 4K breakup, or tearing as I choose to describe it. My solution which seems to work is to switch to another HDMI input, say a DVD/BR player, AppleTV or a NOWtV device then switch back using the input selector on the receiver. The issue is afaics wholly related to the Sony Receiver and not the BT Setup.

I was led to believe that Sony were working with BT to resolve in a future release. Can someone ask the powers that be if that is the case?

Thanks.

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

Anonymous — Wed, 17 Aug 2016 13:03:11 GMT

Hi all

In regards to the image stutter on from the BT Ultra HD box, Sony is investigating this issue. Ive also added it to the list of issues and bugs:

https://community.sony.co.uk/t5/televisions/2015-android-tv-bugs-and-issues/m-p/2204506#M45422

Cheers

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

chrgray — Wed, 17 Aug 2016 13:03:37 GMT

Experiencing exactly the same problem with a Sky Q box set to 2180P 10-bit output. Discussed extensively at http://helpforum.sky.com/t5/Sky-Q/Juddering-in-2160p-mode/m-p/2499230#M38827

This would suggest a problem with the TV itself, since both the BT and Sky Q boxes as sources exhibit the same problem. And other Sky Q users with different make TVs aren't seeing this problem.

In fact, switching the TV's input to a different HDMI input, and then switching back to the Sky Q HDMI input clears the problem.

This obviously needs an urgent fix in time for the launch of UHD content on Sky Q 13th August, as it makes UHD unwatchable after a couple of hours.

@Anonymous, can you ask Sony to talk to Sky as well as BT in getting this resolved.

My TV is a KD-65X8509C.

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

Anonymous — Wed, 17 Aug 2016 13:04:01 GMT

@chrgray

Hi there

I have communicated this back to Sony. Will update when more info is recieved.

Cheers

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

chrgray — Wed, 17 Aug 2016 13:04:23 GMT

Sky have today released this statement:

http://www.sky.com/help/articles/picture-problems-with-ultra-hd-and-sony-tvs

And Sony have released this statement:

http://sony-eur-eu-en-web--eur.custhelp.com/app/answers/detail/a_id/133958

Lets hope they can get this fixed before 13th August for the big UHD launch.

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

Anonymous — Wed, 17 Aug 2016 13:04:54 GMT

Thanks for posting the links

Fingers crossed its resolved by launch date !

@chrgray - Does tarbat mean anything to you?

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

chrgray — Wed, 17 Aug 2016 13:05:17 GMT

@Anonymous, yes I am tarbat.

And a bit of info. for the Sony engineers. I find that I can reliably trigger the problem by:

View Sky Q in 2160p mode
On the TV, Discover - Album
View photos of differing resolutions
Return to HDMI, and the Sky Q image is juddering.

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

chrisbrowe — Wed, 17 Aug 2016 13:05:45 GMT

I sincerely hope that the Sony engineers take a two pronged attack on this fixing the receivers to work both with BT YouView UHD AND Sony Q. It would be galling for those of us who've reported this issue with the YouView product for several months to be neglected in an attempt to placate Sky customers who've only recently been affected.

Re: [Master Thread] - 4K / 2160p Juddering Issues - Sky/BT

chrgray — Wed, 17 Aug 2016 13:06:08 GMT

@chrisbrowe Hopefully the inclusion of Sky alongside BT will put sufficient pressure on Sony to get this fixed quickly. It's very disappointing if Sony have known about this problem for months and done nothing to fix the fault. After all, they've just issued a new firmware that doesn't even attempt to fix this fault 😞

I can't see how retailers can honestly continue to sell the 2016 models, which apparently have the same fault, when Sony know that their range of 2015 & 2016 TVs can't be used with two of the main UK providers of UHD services - BT & Sky.

For my part, I've given them until 13th August, when Sky launch their UHD service, to fix this fault, and am already pursuing this with my retailer (John Lewis). The latest today from Sony Customer Services is that they don't know when this wil be fixed, not even an estimated date 😞

I bought this Sony TV for it's UHD capabilities, and if that doesn't work with UK UHD service providers, then it's not fit for purpose.