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floydbloke

2280 posts

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#189374 26-Dec-2015 19:36
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I’m having intermittent problems where the MySky recorder won’t display (or record) the freeview HD channels – the error shows “No signal.  Atmospheric conditions have temporarily interrupted viewing....”

At the same time all Sky channels and the ‘+1’  (501, etc.)  channels work fine.

In the past, a reset or power cycle appears to have fixed but the problem is appearing more and more often and currently I can’t get rid of it at all.

It’s one of the oiginal MySky Hdi recorders.  The cable from the dish is quite long (20m odd, it was  installed by a Sky contractor), it is also daisychained off a DishTV freeview satellite recorder (I’ve also tried to split it with a DISEQC switch, same result) Signal strength shows about 60-62dB on 3 tuners, and signal quality hovers around 12-13dB.

Any thoughts?  Could this be a signal strength issue?   (It all worked fine for a few years, not sure if there’s anything that could have deteriorated)

(PS, I haven’t yet tried plugging the MySky recorder directly to the cable coming from the dish.  That has appeared pointless to date with it being intermittent, but may be a bit more conclusive now that it seems to be a hard fault.)




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hairy1
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  #1457548 26-Dec-2015 20:26
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The LNB on your sat dish is probably on the way out. I am guessing it happens on hot days when the LNB gets hot. To confirm this spray the LNB with the hose and see if it fixes the problem.

The solution is either to get the wife or neighbor to spray the LNB with cold water while you watch TV or call a sky tech.




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RunningMan
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#1457549 26-Dec-2015 20:30
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hairy1: [snip]

The solution is either to get the wife or neighbor to spray the LNB with cold water while you watch TV or call a sky tech.


Really? Just cable tie the hose to the dish, then you can just use the tap, otherwise no TV if the wife and neighbour go out...

 
 
 
 


floydbloke

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  #1457552 26-Dec-2015 20:38
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Thanks all.  It's been a pretty hot day here in Whitby so that could be it, it's cooled down a little now and the picture has re-appeared.

Another warm day predicted for tomorrow so I'm kind of hoping the problem resurfaces, then i can try the hose thing.




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hairy1
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  #1457557 26-Dec-2015 21:11
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RunningMan:
hairy1: [snip]

The solution is either to get the wife or neighbor to spray the LNB with cold water while you watch TV or call a sky tech.


Really? Just cable tie the hose to the dish, then you can just use the tap, otherwise no TV if the wife and neighbour go out...


An excellent solution. However I thought mine was much better at destroying relationships and wreaking general havoc.... :-)




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floydbloke

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  #1458011 28-Dec-2015 08:36
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The water-cooling didn't fix it, although I didn't try it for very long.
I got up this morning and the 'fault' was now on permanently so I rung Sky.
Big kudos to the agent, he was a very friendly helpful guy and he talked me through changing the HiBand LNB frequency (from 10.750 to 10.740) which fixed it.  For now anyway, but he acknowledged there could be alignment or degradation issues and to call them back if the fault appears again.




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B1GGLZ
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  #1458042 28-Dec-2015 09:19
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floydbloke: The water-cooling didn't fix it, although I didn't try it for very long.
I got up this morning and the 'fault' was now on permanently so I rung Sky.
Big kudos to the agent, he was a very friendly helpful guy and he talked me through changing the HiBand LNB frequency (from 10.750 to 10.740) which fixed it.  For now anyway, but he acknowledged there could be alignment or degradation issues and to call them back if the fault appears again.

If you had to shift the LNB frequency by 10mhz then it is obviously failing and needs replacing now, not when it needs further adjustment. Offsetting the frequency is only a temp fix until it is replaced which should be ASAP.

floydbloke

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  #1458058 28-Dec-2015 10:26
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B1GGLZ:
floydbloke: The water-cooling didn't fix it, although I didn't try it for very long.
I got up this morning and the 'fault' was now on permanently so I rung Sky.
Big kudos to the agent, he was a very friendly helpful guy and he talked me through changing the HiBand LNB frequency (from 10.750 to 10.740) which fixed it.  For now anyway, but he acknowledged there could be alignment or degradation issues and to call them back if the fault appears again.

If you had to shift the LNB frequency by 10mhz then it is obviously failing and needs replacing now, not when it needs further adjustment. Offsetting the frequency is only a temp fix until it is replaced which should be ASAP.


Thanks for that.  I shall be keeping a very keen eye on it, and be on the phone to them in a jiffy as soon as symptoms re-appear.




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