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Crackling Satellite Receiver

Discussion in 'Electronic Repair' started by [email protected], Oct 25, 2005.

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  1. Guest

    My General Instrument 2750R Satellite Receiver makes a crackling noise
    on VC II subscription channels especially when there is a lot of white
    on the screen.

    Are there video output potentiometers in the unit that can be adjusted
    to overcome this problem, and how do I do that? Or could it be bad
    filter caps that need to be replaced? And, if so, which filter caps
    are they?

    Thanks.


    Stan
     
  2. If the in the in the clear channels are OK, and it is only the VideoCipher
    channels that have the problem, it may be the module itself.

    Lee Richardson
    Mech-Tech
    C-band dealer
     
  3. Guest

    Yeah. Thanks. I see your point, Lee. It's only the VideoCipher
    channels. I wish I had another module to test it out.
     
  4. I am out of them right now or I would send you one to try. If you can't
    find one anywhere else, there is always e-bay. A bit risky, but they
    typically go for $40 or so compared to $150 for a rebuilt one with new
    battery from Motorola.

    Lee Richardson
    Mech-Tech
     
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