LNB Short

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  • January 12, 2015 at 5:53 pm #16476
    Anonymous
    Inactive

    Hi,

    Our unit emitted a short high pitch tone last night and now we have only one out of two signals available.

    Have checked cables and LNB and both appear OK.

    Diagnostics clearly shows only one signal being received.

    Did the high pitch tone signal a failure of the PVR unit on one line or is this a tone denoting a loss of signal from the LNB etc.

    Any thoughts?

    Thanks

    John A

    January 12, 2015 at 7:41 pm #58550
    grahamlthompson
    Participant

    If you swap the inputs to the box, is the issue the same or does the box now report no signal at all ?

    January 12, 2015 at 8:42 pm #58551
    Anonymous
    Inactive

    Hi Graham,

    What a prat – why didn’t I think of that.

    Must be my age!!

    I swapped the leads over, now that my wife has seen Eastenders, and the loss of signal has gone from line 2 to line 1 which I suppose suggests that one part of the twin cable has gone or the LNB is due for the junk box!!

    Thanks

    JohnA

    January 13, 2015 at 10:20 am #58552
    grahamlthompson
    Participant

    JohnA – 13 hours ago  » 

    Hi Graham,

    What a prat – why didn’t I think of that.

    Must be my age!!

    I swapped the leads over, now that my wife has seen Eastenders, and the loss of signal has gone from line 2 to line 1 which I suppose suggests that one part of the twin cable has gone or the LNB is due for the junk box!!

    Thanks

    JohnA

    I would check the f connectors are tight on the cable. If you can get at the dish check that water hasn’t got into the coax cables.

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