Question about Gateway PLSM46TV 46 in. Television

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Gateway 46 in plasma

My Gateway 46 plasma is just short of four years old and a few months ago the picture quality became quite distorted, in that colors became muted or washed out and outlines are nolonger clear, Many times the background has a greenish tint and the images have a shiny appearance, almost "ghostly" image if that makes any sense. When the tv was brand new and still under warranty, I had to have the y-sustainer board replaced for a different problem, there was no picture at all, but after that, no problems till now. Gateway wants to charge $500.00 just for a service call plus any repair, labor or parts. I haven't found an electronics repair shop in Modesto, CA that will work on the Gateway, the ones I've called so far specifically stated they will not work on Gateway TVs.

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  • Arti1 Jan 05, 2008

    I hadn't heard that before, but sounds logical, I'll check into it and will advise. Thanks

  • Arti1 Jan 07, 2008

    Thanks Mike, I'll start there. I hadn't gotten anywhere with local repair people by phone so far.
    Thanks again, Art

  • Arti1 Jan 14, 2008

    I haven't tried Sears or the other; I struck out with many in Modesto who claimed a wide range of experience with all brands, but would not work on a Gateway. thanks

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  • 290 Answers

It sounds like the gas in your screen has exhausted it's life. From the information I have gotten from different manufacturers, there is about a 5 yr life expectancy on the screens of most plasma sets.
My guess from the symptom you describe is that you will need to replace the screen.
Thanks/mike

Posted on Jan 05, 2008

  • Michael  Lindley
    Michael Lindley Jan 06, 2008

    After rereading your comments, I realized I had broken my own rule of diagnosing a problem. Check the simple things first.

    Be sure to check your cable connections. Try a different signal source such as a DVD player in a different input.

    You can lay the unit face down on a solid surface and remove the back to check wiring connections on the boards. You don't have the high voltage to worry about like you do on a conventional set, but do be careful about electrostatic charge that may damage electronic components.

    Thanks/Mike

  • Michael  Lindley
    Michael Lindley Jan 13, 2008

    If you haven't found a repairman yet, you might try Sears or A&E repair. They work on most any brand no matter where it was bought and they are nationwide. The only reason I can think of they would not work on it is if they aren't set up to get parts or tech info from Gateway.

    Thanks/Mike

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