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LNBF Milliamps

Discussion in 'DIRECTV Tips and Resources' started by BennyGregg, Jan 17, 2010.

  1. BennyGregg

    BennyGregg Legend

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    Jul 17, 2009
    My satellite signal strength meter tells me the milliamps that the LNB is drawing. Why do I want to know this?
     
  2. P Smith

    P Smith Mr. FixAnything

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    Jul 25, 2002
    W.Mdtrn Sea
    Can you post a pictures of that screen?

    Usually one LNBF draw ~100..250 mA, but triple or 5 LNBFs could go up to 700 mA. What is your STB shows ?
     
  3. netraa

    netraa Godfather

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    Mar 27, 2007
    any number of problems could show themselves with this information.

    a short in a cable
    bad LNB
    too long of a run causing too much voltage drop
    some kind of device inline that's sucking up voltage, or blocking voltage

    it would be mostly used for troubleshooting.
     
  4. P Smith

    P Smith Mr. FixAnything

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    W.Mdtrn Sea
    What dish/LNBF/switch config you have ? What the value of a current you saw ?
     
  5. BennyGregg

    BennyGregg Legend

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    Jul 17, 2009
    I was looking at a 4 out SL3 LNB. I was not having an issue with it, I just was curious to understand what the milliamp draw of the LNB tells me. The SL3 was drawing about 170 mA.
     
  6. P Smith

    P Smith Mr. FixAnything

    21,979
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    Jul 25, 2002
    W.Mdtrn Sea
    Nothing to worried - the number is OK by itself.
    If you will see low signal levels on some sat or odd or even series of transponders, then you should dig into that.
     

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