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RCA L26HD35 has a bright white flashing screen with horizontal lines in it. there is no audio unless I put a DVD in and then I get a motorboat sound. I believe the inverter and backlights are fine as the screen is very bright. Any and all help is greatly appreciated.

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  • Gary Woodruff Sep 29, 2010

    anything I can check to confirm the defective board? I do not want to replace both if it is not needed. I have test equipment and know how to use it.

    Thanks, Gary

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There are two possible boards that can give such symptoms, main board OR power supply board, replace them to fix tv problem.
Both are available in Shop Jimmy on reasonable price, click above links to view board images and price info.
Let me know if you have additional question.
Thanks.

Posted on Sep 29, 2010

  • 1 more comment 
  • Shahid Electronics
    Shahid Electronics Sep 29, 2010

    Yes, first check power supply board for leaky capacitors and test voltage supplies that should be constant and stable.
    Main board can not be tested and swapping is only useful method to confirm it.

  • Shahid Electronics
    Shahid Electronics Oct 08, 2010

    any update about tv problem?

  • Gary Woodruff Oct 08, 2010

    owner of set did not want to put $$ into to replace mainboard, ps checked out ok. Thanks for the info.
    Gary

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