SHARP LC-32CHF5111K - stuck at color test mode

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  • YellowJacket
    Senior Member
    • Dec 2020
    • 105
    • Slovakia

    #1

    SHARP LC-32CHF5111K - stuck at color test mode

    Hi friends,

    TV has stuck at - as I googled the term - color test mode. Slowly flashing colors white, red, green, blue, black, over and over again. I tried some hints from internet, like pressing some remote buttons, but nothing worked. I also tried factory reset for Sharp TVs => "while holding vol– & input buttons on tv plug in set when “k” appears push vol– & chan- " , but TV doesn't even start during buttons pressed.
    So I decided to flash new firmware to SPI ROM. What do you say, would it help? If so, where can I find some dump? I was unable to find any. Thank you in advance, if you need more information, let me know.
  • Davi.p
    Badcaps Legend
    • Sep 2009
    • 4266
    • Italy - Milan

    #2
    Re: SHARP LC-32CHF5111K - stuck at color test mode

    The problem is mostly in tcon i think, try this for now, detach one of the tcon output flats when tv on, then turn off, re attach then on.. in extreme cases change tcon.

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    • YellowJacket
      Senior Member
      • Dec 2020
      • 105
      • Slovakia

      #3
      Re: SHARP LC-32CHF5111K - stuck at color test mode

      Davi.p - excelent clue. Yeah, TV works now. There were some damaged pins on ribbon cable between main board and T-Con. By damaged I mean like scuffed or what. I cleaned with IPA for now, if it comes back, I will order a new cable.
      Big thanks to you, Davi.p.
      Attached Files
      Last edited by YellowJacket; 02-04-2023, 07:17 AM.

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      • nomoresonys
        Badcaps Legend
        • Jan 2013
        • 12081
        • U.S.

        #4
        Re: SHARP LC-32CHF5111K - stuck at color test mode

        ok, so the fix was clean and reset cables.

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        • Davi.p
          Badcaps Legend
          • Sep 2009
          • 4266
          • Italy - Milan

          #5
          Re: SHARP LC-32CHF5111K - stuck at color test mode

          yes of course, if tcon fed but no data in then starts auto test..

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