Samsung UN50M5300AFXZA white strobing effect

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  • x_orange90_x
    Badcaps Veteran
    • May 2015
    • 757
    • USA

    #1

    Samsung UN50M5300AFXZA white strobing effect

    I have this un50M5300AFXZA that's exhibiting some strange behavior. When powered on it displays white with some horizontal lines, then goes to a vertical strobing from the center of the screen to each side. I've never seen something like this before, but I'm thinking it could be the tcon or main board. The behavior and patterns are consistent across both sides of the screen, so I don't think it's a panel issue but I could be wrong.
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  • howardc64
    Badcaps Veteran
    • Jun 2017
    • 653
    • United States

    #2
    Tried disconnecting left and right panel flex one at a time to see if either 1/2 of the panel has the error? On most Samsungs, require jumper FB_TRDY_1 pin.

    https://www.badcaps.net/forum/troubl...el#post3686471

    Comment

    • x_orange90_x
      Badcaps Veteran
      • May 2015
      • 757
      • USA

      #3
      Originally posted by howardc64
      Tried disconnecting left and right panel flex one at a time to see if either 1/2 of the panel has the error? On most Samsungs, require jumper FB_TRDY_1 pin.

      https://www.badcaps.net/forum/troubl...el#post3686471
      I will check that out. I did try to disconnect one at a time and each will display a solid white side while the other has that strive effect. I did not have anything jumped tho, so I'll look into that.

      Comment

      • howardc64
        Badcaps Veteran
        • Jun 2017
        • 653
        • United States

        #4
        Does main have SPDIF light? when thats on, it usually means main mostly booted okay. Also does main make UI sounds? If so then smarttv OS is running.

        I guess check t-con inductors for voltage rails to see if they make sense.

        Comment

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