10 replies to this topic

[Siny]

Hello.
I have DVB-T2 HD Dual H.265 tuner built into the vu ultimo 4K receiver. Lately, it has been happening that tv picture on the dvbt2 signal freezes approximately every hour for a second regardless of which TV channel I choose. On the satellite tuner TV picture is okay, but on the terrestrial tuner picture is freezes.

I currently use:
openpli-9.1-release-vuultimo4k-20241228

[WanWizard]

Do you have a drop in signal when that happens? Anything running on the box that might take all CPU for a moment?

[Siny]

I don't have time to look at the signal, tv picture comes back when I click on the info bar.I will set the info bar to be constantly active, so I will see when the picture it freezes what will happen to the signal
Hmmm I don't know if the dvbt2 tuner is broken, can that be too?

[WanWizard]

Everything is possible, but I think that is unlikely. It is weird though that pressing the Ok button causes video to resume.

[Siny]

I checked, the signal is constantly at 99% and when it freezes for a second,

The tv picture comes by itself, not by pressing ok.

It doesn't even have a freezes interval to know exactly when it will freeze, it freezes and comes back.

[WanWizard]

Ok, I said that because you wrote "click on infobar" which is what OK does.

 

Most likely is interference (but then once an hour is a weird interval), or something running on your box that momentarily grabs all CPU. Like a hickup in an NFS driver for example.

[Siny]

I think I will have a hard time figuring out what it could be. As you said, there can be many reasons.

This happens only on DVB-T tuner.
There is no interference with satellite dvb-s2x tuner.

I will try to watch TV channels only through the TV and see if there are any differences between the TV and the satellite receiver in terms of freezing picture on terrestrial TV

[ims]

Try recording something and check if it's also in the record.

[Siny]

I tried it. It also appears during recording. I look at the recorded video and see that it stops (freezing) at one part.

[ims]

I would probably first check if it's not the signal causing the issue, by connecting the signal directly to the TV to see if the problem persists.

I can't recall exactly, but in some VU receivers, the T2 tuner was supposed to be in slot "C." Is it genuine tuner or a replacement?

[Siny]

I scanned the DVB-T tuner today and I see that my DVB-T2 terrestrial signal provider added some new frequencies (maybe today or yesterday) in addition to the old ones for the same TV channels, I will test those new frequencies and see if they have the same problems with TV picture freezing, maybe there was a problem from dvbt-2 terrestrial signal provider. I'm not sure, I need to check that.

 

I tested other images yesterday but the same thing happened, so it's not a problem in OPenPli image. I returned it again to OPenPli today.

 

Edit: My tuner is installed in slot B, because C does not accept this newer DVB-T2 tuner

Edited by Siny, 29 December 2024 - 21:13.