[mythtvnz] Almost out of ideas - occasional pixelation only on MythTV

[Paul Kendall]

On Sun, Oct 16, 2016 at 9:56 PM <ajp at cantabrian.co.nz> wrote:

> Hi,
>
>
>
> We are in Ranui Auckland and I am having lots of problems with
> intermittent pixelation.
>
>
>
> It started a few months back and since then we have had the aerial guy in
> at least 3 times. First time he tweaked the position which was a bit off,
> next he added a masthead amp and lastly he added a filter and replaced the
> balun/element.
>
>
>
> It was a bit confusing because we also had really bad problems with the TV
> even though the signal was good. Turned out the TV problem was Chromecast –
> when it was plugged in terrestrial picture was terrible.
>
>
>
> I am running, an admittedly old 0.25 Myth server with 2 x HDHomeRun – only
> using one at a time currently. The original HDHR I got from Hadley in 2013
> the second I got a few months ago from TradeMe for $50. Both are similar
> serial numbers and same model.
>
>
>
> Far as I can tell now there isn’t any pixelation with the TV, but to be
> fair we don’t use it much. But with Myth it can get quite bad but most of
> the time it is ok, so maybe every 10 minutes it plays up – all depends.
> Given what we have done aerial wise I tried everything I could with Myth,
> changed the storage from local to NAS, restarted everything and the network
> is gigabit with no issues – all wired not wifi. Both HDHRs exhibit the same
> problem. The HDHRs are reporting 100% for signal strength, signal quality
> and  symbol quality.
>
>
>
> I spoke to the guys at Alkris Signal Solutions, who are close and they are
> suggesting a PA2 and I am also thinking of replacing the coax so it’s 100%
> clean.
>
>
>
> Before I go out and spend even more money, given I have spent over $300 on
> aerial stuff so far, I just thought I would ask if a PA2 sounded like a
> good idea. Alkris know the area and thought that should work a treat.
>
>
>
> Cheers
>
> I had very similar problems a few years ago and it was because the signal
was too strong. I have to put on some 10db attenuators going to the HVR
cards in the server. After that I have had no problems since.
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