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Signal Problem

  • 13-11-2010 2:31pm
    #1
    Ladder22
    Registered Users Posts: 48 ✭


    I have a twin LNB which runs two tvs, one with a cable run of 20m and the other is about 40m. Both have been working fine for 2 or 3 years. After the wind this week I lost the signal on the TV with the 40m run. The TV with the 20m run is working fine.

    I tested the hardware, both LNB outputs, f plugs but still can't get any signal on the longer run. The 40m cable doesn't seem to be damaged. I'm at a loss as to what the problem is. The only thing I can think of is that the LNB can't power the longer run any more for some reason. Anyone have any idea what the problem might be? Should I just get a new LNB?

    Thanks


Comments

  • #2
    gtg60
    Registered Users, Registered Users 2 Posts: 1,756 ✭✭✭gtg60


    It's possible the dish moved slightly and as a consequence there isn't enough signal strength now for the 40m cable, I'd check dish alignment first.


  • #3
    NewHillel
    Registered Users Posts: 736 ✭✭✭NewHillel


    gtg60 wrote: »
    It's possible the dish moved slightly and as a consequence there isn't enough signal strength now for the 40m cable, I'd check dish alignment first.


    If you have a signal meter, that's the easiest way to go. Failing that, most satellite receivers have a menu item where you can view signal strength. Given that you have a picture on the shorter feed that would allow you tweak the dish...


  • #4
    Ladder22
    Registered Users Posts: 48 ✭Ladder22


    Thanks for the replies.

    I got it sorted, the dish probably did move a bit. The braided copper wires also got worn out at the f plugs, so I just had to strip back a bit more wire and refit.

    Cheers


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