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230 posts

Master Geek
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Topic # 113838 29-Jan-2013 16:52 Send private message

We've recently moved house & when I set the TV and MySky up I noticed there were 4 aerial inputs on the back of the mysky decoder (sky installer set it up at the last house). I screwed the sky dish into first input - no signal on any channel (viewing interrupted by atmospheric conditions) same with 2nd input. Tried 3rd input and success! got a signal on all channels - but now sometimes on TV1, 2 & 3 I get the 'Your viewing has been interrupted by 'Atmospheric conditions'... message come up, even when it is a crystal clear day.
yet when I change to another channel it is fine.
Why would I only get this message on certain channels, yet others are working fine?
Surely if atmospheric conditions are a problem, then all channels would be affected
We are in Auckland North Shore if that helps

thanks

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Uber Geek
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  Reply # 752777 29-Jan-2013 16:57 Send private message

Hi, the correct input is LNB input 1, this is the most inner one, dont use the others.

Cyril

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Uber Geek
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  Reply # 752779 29-Jan-2013 16:58 Send private message

I've often wondered what the other inputs are for on the mysky box. Anybody have any idea?

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  Reply # 752782 29-Jan-2013 17:02 Send private message

There are four tuners that are connected to a 4x4 multiway switch, thus depending on what supply volts (13V or 18V) that each tuner outputs and the presence or not of 22kHz determines which rear terminal is directed to each tuner. Technically this means that each tuner can select from both polarities (voltage selection) from two orbit locations (22kHz).

In NZ we only have services on one orbit location and on one polarity, hence the firmware is configured to only work via LNB1.

Cyril

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  Reply # 752784 29-Jan-2013 17:04 Send private message

The LNB could be on the way out. Ours did that. On hot days it would fail on some channels. When it happens again go and spray it with the cold water from the house and see if that makes a difference.




My views (except when I am looking out their windows) are not those of my employer.

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  Reply # 752824 29-Jan-2013 18:05 Send private message

For me some channels get broken up when my DECT cordless phone base station is in a specific position near the STB. Move it 2cm in any direction (closer or further) and it is fine. DECT operates at 1.8GHz and interferes with some of the down converted channels (the LNB is actually a tuner that retransmits the RF at a lower frequency which is more efficient for distributing over coax, the STB then tunes into this lower frequency signal).




You can never have enough Volvos!


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  Reply # 752835 29-Jan-2013 18:22 Send private message

hairy1: The LNB could be on the way out. Ours did that. On hot days it would fail on some channels. When it happens again go and spray it with the cold water from the house and see if that makes a difference.


I had the same issue, and the same reason. In my case it was water ingress into the LNB which meant that, on hot days, channels would fail. Sky guy came out, replaced the LNB at their cost, and now all is well. If the problem persists, log a call with Sky on the 0800 number.



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Master Geek
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  Reply # 752953 29-Jan-2013 21:58 Send private message

after a quick 20 min call to sky it has all been sorted!

341 posts

Ultimate Geek
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  Reply # 753124 30-Jan-2013 10:40 Send private message

and what was the problem??????



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Master Geek
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  Reply # 753142 30-Jan-2013 10:55 Send private message

tkr001: and what was the problem??????


I just plugged the sky dish connection into input 1 and 2 and got no signal on any channel, then input 3 and got signal on everything except channels 1, 2 & 3 - then tried input 4 and bingo... all worked ok.
the lady at sky said that input 4 is actually input 1 - if you turn the decoder around and look at the inputs from L to R it goes 1, 2, 3, 4..... I'm not going to argue - it's all working now and that's the main thing!

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Ultimate Geek
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  Reply # 753144 30-Jan-2013 10:59 Send private message

Yes as Cyril7 said input 1 is the innermost one. They are labelled too.....

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  Reply # 753157 30-Jan-2013 11:16 Send private message

tkr001: Yes as Cyril7 said input 1 is the innermost one. They are labelled too.....


:)

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Geek


  Reply # 754169 31-Jan-2013 23:19 Send private message

I believe that the four inputs on the MySky were to tie in with the quad LNB's four outputs, to allow for possible future expansion of their channel numbers by using both polarities on two satellites, D1 and D3.

It was the same reason why Sky got their Installers to start running twin cables on all new installations about six years ago. However Sky have obviously decided that they're not going to go down that road at the moment, because, about nine months ago, they instructed their Installers to go back to just running one cable.

Cheers,    WildBill.  

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Ultimate Geek
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  Reply # 754647 2-Feb-2013 04:40 Send private message

hairy1: The LNB could be on the way out. Ours did that. On hot days it would fail on some channels. When it happens again go and spray it with the cold water from the house and see if that makes a difference.




 


753 posts

Ultimate Geek
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  Reply # 754648 2-Feb-2013 04:40 Send private message

hairy1: The LNB could be on the way out. Ours did that. On hot days it would fail on some channels. When it happens again go and spray it with the cold water from the house and see if that makes a difference.


Mine was doing the same Sky guy cam around yesterday, up the ladder and swapped for the newer quad. IN and out in 15 mins.

all fixed




 


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  Reply # 754657 2-Feb-2013 07:05 Send private message

Apsattv:
hairy1: The LNB could be on the way out. Ours did that. On hot days it would fail on some channels. When it happens again go and spray it with the cold water from the house and see if that makes a difference.


Mine was doing the same Sky guy cam around yesterday, up the ladder and swapped for the newer quad. IN and out in 15 mins.

all fixed


The sky installer was moaning about the sky supplied ones. He reckons they are rubbish and they are swapping out heaps of them.




My views (except when I am looking out their windows) are not those of my employer.

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