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T.V. Reception Problem.

Morning all on this chilly breezy morning


I installed a new t.v. aerial outside on Friday for a couple that has just moved house. I could not get their t.v. to self tune on the freeview channels. The screen has just frozen and does not shown a self tuning progress bar, and just displays an error message asking me to wait for new channels to be found. It makes not progress at all. It is just frozen. A second t.v. of theirs does show signs of life as it tries to auto-seek new freeview channels. I had to leave at that point as the lady of the house was exhausted after her move and needed a quiet lie down.


Is there a method of re-booting the first t.v. to work, or is the tuning circuit faulty?


The new bungalow is located right next to a new supply transformer an the new estate is only 50 per cent occupied. I wondered if the higher Voltage may have possibly damaged the t.v's circuits boards.


Any help much appreciated.


Thanks,


Z.
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  • Do you know the model - the problem is that every maker is subtly different in how they implement the self tuning algorithm. There may be a known problem & work-around.


    That said,  the only thing I have seen that permanently  'bricks' a TV, or anything else for that matter, that is not a proper hardware fault, is normally a partial download off air of new program 'firmware' for the decoders- if the download is interrupted, then when the TV is restarted, the computer inside tries to run the half finished code, problems arise when it falls  off the end of its incomplete list of instructions....


    The better designs make this impossible, by not overwriting the original code with the new until the download is complete and has been verified in some way -  but not all models do, as it requires more memory to in effect have 2 copies at once, and some designs save that money and just say 'do not switch off while updating' which is really no protection at all..

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  • Do you know the model - the problem is that every maker is subtly different in how they implement the self tuning algorithm. There may be a known problem & work-around.


    That said,  the only thing I have seen that permanently  'bricks' a TV, or anything else for that matter, that is not a proper hardware fault, is normally a partial download off air of new program 'firmware' for the decoders- if the download is interrupted, then when the TV is restarted, the computer inside tries to run the half finished code, problems arise when it falls  off the end of its incomplete list of instructions....


    The better designs make this impossible, by not overwriting the original code with the new until the download is complete and has been verified in some way -  but not all models do, as it requires more memory to in effect have 2 copies at once, and some designs save that money and just say 'do not switch off while updating' which is really no protection at all..

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