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Thread: Inverter Problem

  1. #1
    Newbie
    Join Date
    Jan 2000
    Location
    Richmond, VA USA
    Posts
    12

    Angry Inverter Problem

    Okay, this is making me a little upset. The computer sounds good, REAL good (even though it is running through a FM transmitter) and everything works GREAT! BUT, there is one MAJOR problem... when I plug the inverter into the computer and turn it on, I get major static. It even does it when I turn off the computer and the inverter is still pluged in! I grounded the PC, it sounds a lot better, but the SECOND I plug the thing into the inverter, I get noise... how can I ground the inverter?!?! Is that the problem?

    Also, I get the repeating buzz coming from the power the supply on the computer, is it not getting enough power?
    Check out my MP3 Cougar in the works...
    http://www.skymatt.com/cougar/

  2. #2
    Newbie
    Join Date
    Jan 2000
    Location
    Richmond, VA USA
    Posts
    12

    Thumbs up

    UPDATE!!! I grounded EVERYTHING to the car... this includes the PC, the inverter, AND the FM Transmitter (just put a ground wire in the cigarette lighter adapter for all compenents). There is absolutly NO static now but there is still the repeating buzz coming out of the speakers and power supply... NOW any suggestions? Thanks!
    Check out my MP3 Cougar in the works...
    http://www.skymatt.com/cougar/

  3. #3
    Low Bitrate
    Join Date
    Jul 1999
    Location
    Oakville Ontario Canada
    Posts
    109

    Post

    Get the $15.00 Ground Loop Isolator from Radio Shack and install inline with your audio output cable to the source input on your stereo.

    Originally posted by Matthew_sl:
    UPDATE!!! I grounded EVERYTHING to the car... this includes the PC, the inverter, AND the FM Transmitter (just put a ground wire in the cigarette lighter adapter for all compenents). There is absolutly NO static now but there is still the repeating buzz coming out of the speakers and power supply... NOW any suggestions? Thanks!

  4. #4
    Low Bitrate
    Join Date
    Oct 1999
    Location
    N Ireland
    Posts
    108

    Cool

    And some people wonder why we use DC-DC converters.

  5. #5
    Low Bitrate
    Join Date
    Aug 1999
    Location
    East Brunswick, NJ, USA
    Posts
    72

    Thumbs up

    Yup, ground loop isolator worked wonders for me when I was installing the system. I still wasn't satisfied with the sound quality (there was a slight distortion that hurt my ears). I ended up plugging in a power strip into the inverter and my computer into the power strip and it worked like a charm. The power strip acts like a filter and clean up the power just enough to get it sounding ok.

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