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Bad Pixilation

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OCE_Karl
Community Team - TT Staff

Hi

 

These signal levels are low.  What signal level shows on the TV for BBC1 ?

 

Thanks

 

Karl. 

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John1949
Conversation Starter

If I connect the TV diectly to the aerial the strength is 100. When connected through the box it is 85 and when tuned in via the box 39

OCE_Karl
Community Team - TT Staff

Hi

 

That does point to an issue with the tuner.  Lets try another box and test this - one is one the way.

 

Thanks

 

Karl. 

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John1949
Conversation Starter

Thanks Karl

OCE_Karl
Community Team - TT Staff

No Problem 🙂

 

Karl 

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John1949
Conversation Starter

Hi Karl,

Have fitted the new box which is giving a slight improvement in signal strength. On BBC1 the passthrough signal is now up to 100 but the reception via the box is only at 44. I carried out the previous procedure of retuning without the aerial connected and then again with it but this made no difference.

Hope you've got some more ideas up your sleeve!!

John

ferguson
Community Star

It may be that you are in an area with competing signals from different transmitters. And your aerial my not be optimally aligned. TV sets are usually quite heroic at pulling in a signal to their single tuner. YouView boxes with twin tuners less so.

 

Try checking here and let us know what it says: 

http://www.digitaluk.co.uk/operations/about_the_coverage_checker

John1949
Conversation Starter

Have checked the website which confirms that our reception is from Winter Hill  - 54 km away - and that we should be getting good reception (100) on all channels.

Nothing has changed with the aerial which is in the loft so not affected by wind etc. This was installed c4 years ago by a professional installer who said that it was the best available.

This particular problem has only surfaced since using the new boxes. The original box was swapped out as it kept failing (appears cured with new box).

My only other thought is that the interference is coming from some external source, which only affects the box as the signal strength is lower?? It would be a big coincidence though.  Not sure how I can check this.

OCE_Karl
Community Team - TT Staff

Hi John1949

 

I'm in liverpool, also using the Winterhill transmitter.  Over the past week I'm getting a lot of pixellation on some channels on my TV.  This is a separate TV running off a roof aerial, not connected to any TV box etc, so it looks like this is transmitter or signal related.  

 

I've got 4 TV,s only 2 connected to boxes, and the other 2 are standalone both connected to a roof aerial so I always check these when there are issues.  

 

The pixellation is not happening all the time, and not on every channel, it comes and goes, but it's unusual as I usually have a really good signal.

 

Thanks

 

Karl. 

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ferguson
Community Star

I should have mentioned that the Digital UK site gives information about transmitter issues also, currently it shows:

 

Screenshot 2019-01-17 at 12.13.04.png

 

http://www.digitaluk.co.uk/operations/planned_engineering_works

OCE_Karl
Community Team - TT Staff

Excellent spot Ferguson 🙂

 

K.

 

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John1949
Conversation Starter

Thank you both for that. The symptoms that I am getting are exactly the same as Karl's, not all of the channels and not all of the time. Hopefully this is the issue and things will soon be back to normal. What a coincidence though!  I will keep you posted.

Meanwhile I will return the newer of the YouView boxes using the label provided . Do I need to put in a note stating that it is not a faulty unit?

 

Thanks again,

John

 

John1949
Conversation Starter

I ended up fitting the newer of the boxes as it did appear to provide marginally better reception, the other has been returned.

 

The intermittent pixilation continued for a while but everything seems to have settled down again now, with just the very occasional line or buzz of interference, probably just from outside sources.

 

Thanks again to Karl and Ferguson for all your help, much appreciated.

 

John1949

OCE_Karl
Community Team - TT Staff

Hi John,

 

glad the issue seems to have settled down.

 

Regards,

 

Karl. 

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