Gradient Bar on top of Samsung UN55D7000

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  • ERM
    New Member
    • Dec 2015
    • 2
    • USA

    #1

    Gradient Bar on top of Samsung UN55D7000

    I've seen this issue on here and other forums but no concrete resolution. I have a gradient bar on the top of my screen that started recently. Sometimes it doesn't start with that bar and everything looks fine but then it comes on and stays. The other problem is that the TV cycles on and off randomly. I'm quite certain that replacing the power board would resolve the power cycling, but what about the top bar? Both problems started at the same time so I don't know if that helps in diagnosing the problem. Any feedback is appreciated.

    Here's a picture:
    http://s23.postimg.org/3ueipgqej/Samsung_Bar.jpg
    Last edited by ERM; 12-18-2015, 12:12 AM. Reason: Picture Link
  • freakaftr8
    Badcaps Legend
    • Oct 2012
    • 3743
    • USA

    #2
    Re: Gradient Bar on top of Samsung UN55D7000

    Can you take a picture of the back of the TV with the back off? To me this looks like an intermittent led failure
    Did I leave the soldering iron on?

    Comment

    • tom66
      EVs Rule
      • Apr 2011
      • 32560
      • UK

      #3
      Re: Gradient Bar on top of Samsung UN55D7000

      Gonna have to agree, an LED failure is likely. Probably an open circuit LED, or if you're lucky, it will just be a cold solder joint or loose connector, but that's unlikely.
      Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
      For service manual, schematic, boardview (board view), datasheet, cad - use our search.

      Comment

      • budm
        Badcaps Legend
        • Feb 2010
        • 40746
        • USA

        #4
        Re: Gradient Bar on top of Samsung UN55D7000

        Like this one:
        https://www.badcaps.net/forum/showthread.php?t=51061
        Never stop learning
        Basic LCD TV and Monitor troubleshooting guides.
        http://www.badcaps.net/forum/showthr...956#post305956

        Voltage Regulator (LDO) testing:
        http://www.badcaps.net/forum/showthr...999#post300999

        Inverter testing using old CFL:
        http://www.badcaps.net/forum/showthr...er+testing+cfl

        Tear down pictures : Hit the ">" Show Albums and stories" on the left side
        http://s807.photobucket.com/user/budm/library/

        TV Factory reset codes listing:
        http://www.badcaps.net/forum/showthread.php?t=24809

        Comment

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