ChatterBank4 mins ago
Samsung tv
5 Answers
I have a Samsung 40” tv which was purchased just prior to Christmas and a few channels have just disappeared. The two programmes I like to watch, channel 10 and Sky News, have both gone and re-tuning doesn't get them back. Does anyone know why this is? It is still under guarantee but is it just a minor fault? Help please
Answers
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If you're able to receive the stations on another set, it suggests that the problem is caused by a combination of poor signal strength and poor 'sensitivity'.
Digital channels are broadcast in 'bundles', with a group of channels sharing a common frequency. I suspect, from your post, that Channel 10 and Sky News are in the same 'bundle'. Theoretically you should have a separate aerial for every frequency that you want to receive. (So you'd need dozens of aerials on your roof). That's clearly impractical, so we use aerials which are only a 'rough match' to each of the incoming frequencies. That means that any particular aerial will be better at receiving some frequencies than others.
Further, different makes and models of TV sets have different 'sensitivities' (i.e. their ability to handle weak signals).
Lastly, signal strengths at your aerial don't remain constant. They're affected by all sorts of things (including flares on the surface of the sun and, particularly relevant at the moment, high atmospheric pressure).
Putting that all together suggests that your aerial isn't particularly good at receiving the bundle of channels which includes Sky News and Channel 10. Most of the time the signal strength is still strong enough for both sets to handle (even though one has a lower sensitivity than the other) but, during periods of high pressure, the signal strength drops below the threshold for one of the sets.
Solution:
Buy a signal booster (£9 from Asda) and use it in association with the set which can't receive Sky News and Channel 10. (You might need to retune the set after fitting it).
Chris
Digital channels are broadcast in 'bundles', with a group of channels sharing a common frequency. I suspect, from your post, that Channel 10 and Sky News are in the same 'bundle'. Theoretically you should have a separate aerial for every frequency that you want to receive. (So you'd need dozens of aerials on your roof). That's clearly impractical, so we use aerials which are only a 'rough match' to each of the incoming frequencies. That means that any particular aerial will be better at receiving some frequencies than others.
Further, different makes and models of TV sets have different 'sensitivities' (i.e. their ability to handle weak signals).
Lastly, signal strengths at your aerial don't remain constant. They're affected by all sorts of things (including flares on the surface of the sun and, particularly relevant at the moment, high atmospheric pressure).
Putting that all together suggests that your aerial isn't particularly good at receiving the bundle of channels which includes Sky News and Channel 10. Most of the time the signal strength is still strong enough for both sets to handle (even though one has a lower sensitivity than the other) but, during periods of high pressure, the signal strength drops below the threshold for one of the sets.
Solution:
Buy a signal booster (£9 from Asda) and use it in association with the set which can't receive Sky News and Channel 10. (You might need to retune the set after fitting it).
Chris
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