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Wavy diagonal lines appear on the TV screen and will not go away. Does the lamp need to be replaced? We know it is not the Cable or DVD.

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  • stollme Dec 02, 2008

    We have had this TV set now for 5 years and did not have any of this prior to a few days ago. What do you suggest we try first? We have unplugged the TV. We have had the cable checked over the phone. Do we get a new power strip and if so, what might be one you would recommend? Thanks for all your help.

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  • Master
  • 6,966 Answers

Hi and welcome to FixYa,

Often, what you described as way lines could very well be AC component riding on the video signals. Based on this, areas that could be explored are:

  • any other devices on or near the TV such as wireless phones, lamps, even the DVD, cable box and others. Pls try using a different outlet;
  • try using a filtered power strip or an appropriate voltage regulator, something like what is used for desktop computers but with the power rating appropriate for the TV;
  • try plugging the TV itself in another outlet;
  • temporarily remove the cable connection and determine if the wavy lines persist;
  • in some worst case scenarios, this could be a faulty capacitor in the power supply of the TV;
  • still it could be as simple as RCA to RCA cables that are flimsy and/or with inadequate shielding and/or running parallel to power cords.
Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.

Posted on Dec 01, 2008

  • Louie  Role
    Louie Role Dec 02, 2008

    Glad to be able to give you ideas and appreciate the rating too.

    Filtered powerstrips would look like image below.

    They are normally available from most audio/tv or electronic shops stores. At times equivalent could also be found in computer shops.

    While they would look like ordinary extensions, it must have surge protectors and filtering built-in.


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