LG OLED 55C9 - Flickering and Graphical Glitch

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  • Tamelgar
    New Member
    • Sep 2023
    • 3
    • France

    #1

    LG OLED 55C9 - Flickering and Graphical Glitch

    Hello,

    I have a problem with my LG OLED 55C9. It appears to be some sort of flickering or graphical glitch that shifts part of the image.
    I haven't been able to find someone with the same issue as mine.
    Since it's difficult for me to describe the issue, I have provided a video and some photos.
    https://www.youtube.com/watch?v=xQI8UWiFVpA


    The problem started almost a year ago. Initially, it occurred very rarely, but over time, it has become more intense. Now, it's constant and has become unbearable.
    I also have clusters of dead pixels all around the screen. It doesn't bother me, but it might be related

    I've already tried resetting the TV to its default settings and performing a pixel refresh. The issue persists no matter the video source.

    I would like to know if you think the TV is repairable, and if so, how to reliably identify the cause of the problem. Could it be the panel, motherboard, T-con board, or power supply? I'd like to avoid spending several hundred euros only to continue experiencing the same problem.

    I'm also interested in finding out where I can obtain any necessary parts for repairing my TV, considering that I live in France.

    Thank you in advance.
    Attached Files
  • Diah
    Badcaps Legend
    • Feb 2013
    • 6343
    • Germany

    #2
    Re: LG OLED 55C9 - Flickering and Graphical Glitch

    factory reset from user menu its just reset setting..... hard reset ( IN_STOP) via service remote to roll back error and firmware over all parts

    Comment

    • Tamelgar
      New Member
      • Sep 2023
      • 3
      • France

      #3
      Re: LG OLED 55C9 - Flickering and Graphical Glitch

      Indeed, I haven't performed a hard reset. However, I can't seem to find how to do an IN_STOP on an LG OLED TV without having a special remote

      Comment

      • EazyBone
        Badcaps Legend
        • Jun 2023
        • 1303
        • United states

        #4
        Re: LG OLED 55C9 - Flickering and Graphical Glitch

        They are like $7 on Amazon

        Not sure about Amazon Europe though

        That double picture thing turned out the be bad panel on another TV in this forum and might not be repairable. Get some more feedback here tho
        Last edited by EazyBone; 09-28-2023, 06:54 AM.

        Comment

        • Davi.p
          Hobbist
          • Sep 2009
          • 4263
          • Italy - Milan

          #5
          Re: LG OLED 55C9 - Flickering and Graphical Glitch

          My bet is on bad microprocessor soldering, a bad new..

          Comment

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