LG 50PS6000 intermittent problem (Video included)

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  • jimbobjim
    Banned
    • Aug 2015
    • 4
    • UK

    #1

    LG 50PS6000 intermittent problem (Video included)

    Hi,

    I've trawled the net far and wide and can't seem to find anyone else that has this exact issue. 50% of the time the TV works fine... the other 50% it does a strange "double image" thing.

    <LINK REMOVED>

    I've replaced a couple of suspect looking caps on the main input board and reseated all the ribbon cables. But it's still faulting.

    Thanks for any help.
    Last edited by piernov; 07-31-2021, 04:33 AM.
  • CapLeaker
    Leaking Member
    • Dec 2014
    • 8210
    • Canada

    #2
    Re: LG 50PS6000 intermittent problem (Video included)

    You have to figure out if this issue comes out of the main board or the T-con board. Reseat all cables on the T-Con. Make sure all mounting screws of the main board and the T-con are tight. If this yields noting, I'd be measuring the LVDS signal off the main board with an oscilloscope and see if the low voltage differential signal changes or not.

    Comment

    • jimbobjim
      Banned
      • Aug 2015
      • 4
      • UK

      #3
      Re: LG 50PS6000 intermittent problem (Video included)

      Thanks for getting back.

      I've already reseated all the cables and just tightened up all the screws. It's still faulting.

      Unfortunately I don't own an oscilloscope.

      Comment

      • tom66
        EVs Rule
        • Apr 2011
        • 32560
        • UK

        #4
        Re: LG 50PS6000 intermittent problem (Video included)

        Can you take a photo of your control board?

        I have a 50PS3000 here which is working normally aside from the common Z-sustain fault. I can take some measurements to compare if you like.
        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

        • jimbobjim
          Banned
          • Aug 2015
          • 4
          • UK

          #5
          Re: LG 50PS6000 intermittent problem (Video included)

          Originally posted by tom66
          Can you take a photo of your control board?

          I have a 50PS3000 here which is working normally aside from the common Z-sustain fault. I can take some measurements to compare if you like.
          I Don't have an oscilloscope. Can the measurements be taken with a multimeter?
          Attached Files

          Comment

          • CapLeaker
            Leaking Member
            • Dec 2014
            • 8210
            • Canada

            #6
            Re: LG 50PS6000 intermittent problem (Video included)

            You can't substitute a oscilloscope with a multimeter

            Comment

            • bbjunkie
              Badcaps Veteran
              • Dec 2011
              • 301

              #7
              Re: LG 50PS6000 intermittent problem (Video included)

              @mods need to remove the video link, it's a spam link to a pron site

              Oh well, back to finding a fix for my 50PS6000

              Comment

              • Topcat
                The Boss Stooge
                • Oct 2003
                • 16958
                • United States

                #8
                Re: LG 50PS6000 intermittent problem (Video included)

                Originally posted by bbjunkie
                @mods need to remove the video link, it's a spam link to a pron site

                Oh well, back to finding a fix for my 50PS6000
                I think 6yrs ago when posted, it was legit.....the video is now gone and defaults to naughty things....
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