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Lost all channels except bbc - all others TVs have all channels - how to fix

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Posted on Jan 02, 2017

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Samyfam
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SOURCE: No BBC channels available after retuning Sony Trinitron TV

When TV channels are moved from one frequency to another frequency that was previously used by a different channel (sorry, but there's no simple way of saying that !) as has happened recently in th UK, some digital TVs and digiboxes struggle to sort the channel list out properly and channels can go missing as you describe.

If your equipment has the option to delete all currently stored channels (normally in the tuning menu options) then do so and then do a full re-tune.
Sometimes, this solves the problem as the equipment is no longer aware of any previous use of a frequency and just loads every channel it finds.

If this doesnt work, or your equipment doesnt have the option, then there is normally the option soemwhere in the menus to retore the item to "factory defaults/configuration". This will clear all previously stored channels and after a full re-tune your missing chanels should be there. However, any other configuration changes you previously made, e.g picture size, output type (RGB/NSCT/etc), etc will be lost and you'll need to set these again.

NB. some regions of the country have lost some channels temporarily now until after the switch over programme completes at the end of 2012. If you visit the Freeview website, this will tell you if your area is affected.

Posted on Nov 07, 2009

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How to tune a tv


Try the TV in a location where one of the other TVs works. That will show if it's a TV or a cabling issue.

It's entirely possible you have too much power in the aerial signal system. The mux carrying the BBC channels will be one of the strongest at each TV transmitter across the UK. This is because something like 96% of the UK mainland population must be able to receive at least the BBC and main commercial channels to fulfill the broadcasting requirements. Your old TV might not have been so sensitive. The new TV might be more sensitive. So the signal is overwhelming the digital tuner.

Try a variable attenuator. This will give you a power control to reduce the signal as it comes in the back of the new TV without upsetting the other TVs. The MA1620 on this page is perfect for this. http://www.satcure.co.uk/accs/page15a.htm
Splitters amplified splitters and attenuators

Sep 06, 2014 | Televison & Video

1 Answer

How to tune a tv channel


This could be too much signal.

Just to be sure though, try the set in another room where one of the other TVs works okay. This will help you see if it's a cable or a TV signal issue. If you pick up all the channels okay it's likely that that other TV point has some bigger signal losses due to the cabling.

The mux (transmitter channel) carrying the BBC signals will be amongst the strongest at each and every TV transmitter across the land. This is because the BBC and the main ITV channels have to reach about 96% of the mainland UK population in order to the broadcasters to fulfill their remit.

TV tuner sensitivity varies between brands and models. It may be that your old TV was just about okay with the signal power, but the new TV's tuner is over saturated.

A simple and inexpensive diagnosis tool is a variable attenuator. The MA1620 on this page is perfect for that job:
Splitters amplified splitters and attenuators

It will give you a way to reduce the signal level at one TV without affecting the other TVs in the house.

Sep 06, 2014 | Televison & Video

1 Answer

Lost bbc channels


This could be too much signal thanks to the Freeview retunes going on. Your aerial is more sensitive at some frequencies, so there's more signal power higher up the frequency range.

A simple and inexpensive diagnosis tool is a variable attenuator. The MA1620 on this page is perfect for that job:
Splitters amplified splitters and attenuators

It will give you a way to reduce the signal level at one TV without affecting the other TVs in the house.

Sep 04, 2014 | LG 32LD550 32 in. LCD HDTV

1 Answer

Lost chanels on Panasonic TV TX32LMD70


Re scan your channels. You might need to adjust your antenna as well.

Jun 22, 2012 | Panasonic Televison & Video

1 Answer

I've lost all programmes except BBC on my TV and retuning makes no difference. The other 3 TVs in the house are all functioning normally


I expect there is a tv aerial signal problem as depending on your area, bbc and itv use different frequencies and signal loss could be the problem.

Apr 15, 2011 | Televison & Video

1 Answer

No BBC channels available after retuning Sony Trinitron TV


When TV channels are moved from one frequency to another frequency that was previously used by a different channel (sorry, but there's no simple way of saying that !) as has happened recently in th UK, some digital TVs and digiboxes struggle to sort the channel list out properly and channels can go missing as you describe.

If your equipment has the option to delete all currently stored channels (normally in the tuning menu options) then do so and then do a full re-tune.
Sometimes, this solves the problem as the equipment is no longer aware of any previous use of a frequency and just loads every channel it finds.

If this doesnt work, or your equipment doesnt have the option, then there is normally the option soemwhere in the menus to retore the item to "factory defaults/configuration". This will clear all previously stored channels and after a full re-tune your missing chanels should be there. However, any other configuration changes you previously made, e.g picture size, output type (RGB/NSCT/etc), etc will be lost and you'll need to set these again.

NB. some regions of the country have lost some channels temporarily now until after the switch over programme completes at the end of 2012. If you visit the Freeview website, this will tell you if your area is affected.

Nov 07, 2009 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

On cable that has CNN & BBC. how do I tune to receive? no manual


Give auto tune or go for manual tuning and try it.. But most probably the old model TVs may not have the particular band width capability to show those channels...

Mar 21, 2009 | Televison & Video

2 Answers

ITD 58, 59, 60, 61


press info button on the remote then goto tuning on the blue screen menu. say yes to auto tune then save.

Jul 28, 2008 | Sagem PVR 6280 Freeview DTV Receiver /...

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