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Aspiring Contributor
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Message 1 of 10

BT TV Box

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I have a BT box running the latest software  (manufacturers 32.42.00).

When I watch Freeview channels 'through' the Box all is OK. But when I switch AV to watch via the TV alone I get pixellation (message: bad signal). This never used to happen - in the past have always got equal reception either way.

Does anybody have any advice for me as to why this happens as the Box gets its signal for Freeview stations from the aerial as does the TV. Tried swapping aerial leads around but no luck! Could it be the tuner in the TV which is 9+ years old??!!

Cheers

MikeJen

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Recognised Expert
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Message 2 of 10

Re: BT TV Box

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@MikeJen 

It's usually the other way around with the Youview units having the signal strength/quality problems.

Does the aerial feed into the Youview box first & then looped to the TV? If this is the case then in the Youview box settings is aerial passthru enabled? That's Antenna Outunder Picture & Sound.

On the Youview box on any of the problem channels what is the signal strength & quality?

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Aspiring Contributor
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Message 3 of 10

Re: BT TV Box

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Yes, the aerial goes into the box first, then the TV.

BBC 1 - now a problem channel on the TV has both strength and quality at 100%.

And Antenna Out is On!

It was all fine on the TV only until relatively recently!!

Thanks for your interest.

 

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Aspiring Contributor
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Message 4 of 10

Re: BT TV Box

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Sorry, meant The 100% referred to the signal through the box.
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Message 5 of 10

Re: BT TV Box

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What usually happens is that the Youview box will get some pixelation issues but the TV will be fine. Yours appears to be the reverse of that.

There can be an issue when the signal strength is too high and at 100% that is often too high and can overpower the tuners. The solution is to add a variable attenuator between the aerial feed and the Youview box and adjust the signal strength down to , generally, 90-95%.

This might be worth a try and an attenuator is less than £10 so not a great cost if it fails to resolve the problem.

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Recognised Expert
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Message 6 of 10

Re: BT TV Box

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Just a thought. Is the box in standby when you have issues, or is the problem the same when the box is either on or off?

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Aspiring Contributor
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Message 7 of 10

Re: BT TV Box

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Hi Tim

Many thanks

Cheers

mikeJen

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Aspiring Contributor
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Message 8 of 10

Re: BT TV Box

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The box can be either on or off.

cheers

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Recognised Expert
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Message 9 of 10

Re: BT TV Box

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Try connecting the aerial direct to the TV, avoiding the Youview box.

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Aspiring Contributor
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Message 10 of 10

Re: BT TV Box

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Thanks for your suggestion, but it does not make any difference!

I spoke to a BT technical guy this morning who suggested the tuner in the set has ‘gone’, so that is the explanation I am accepting.

Many thanks for your suggestions and interest.

over and out!

MikeJen

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