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Thread: LCD Feedback Problem

  1. #1
    Newbie Pinyix's Avatar
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    Jan 2007
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    LCD Feedback Problem

    I have a 6.5" Farenheit monitor in my car. Whenever there is vibration, there is feedback on the monitor like a bad TV single. Mostly horizontal lines moving from top to bottom with the frequency of the vibration (which could be the engine or the stereo). I moved it off the shabby ground that was the stereo bezel to a ground the car had in the engine bay, but then I got constant feedback when the engine was on and still got stereo feedback when it was loud enough. I have it electrical taped to a large cylinder that spans the back of my dash. I'm no longer getting engine feedback but I am still getting stereo feedback when its loud enough. Am I missing something? There seems to be no place I can ground this monitor well enough. I plan on drilling the cylinder ground to make it more permanent but I don't think thats going to do it. What do you guys think? Could it be the S-video connections?
    Car: 1992 Acura Legend
    Comp: Athlon64 3200 @ 2.5ghz, 2gig OCZ, 1.3TB HDD, x1800xt

  2. #2
    Constant Bitrate
    Join Date
    Aug 2005
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    Pennsylvania
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    Hmmmm....there can be many variables. How is your monitor connected for power and how is it connected for a video signal, s-video to compouter?

    If its only getting interference from the stereo being loud, it seems to me like a grounding issue. Powering it from your computer's power supply should do the trick.

    I would double check your video connection for a lose connection or maybe its touching something.

  3. #3
    Newbie Pinyix's Avatar
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    I actually don't have a carputer yet, the monitor is connected through an s-video to a DVD player headunit. I'll try taping off the s-video wires.
    Car: 1992 Acura Legend
    Comp: Athlon64 3200 @ 2.5ghz, 2gig OCZ, 1.3TB HDD, x1800xt

  4. #4
    Constant Bitrate
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    Hmmmmm......it could most likely be a bad power source for the monitor.

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