Samsung UE43RU7406 strange black figures

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  • Raulnn
    Senior Member
    • Nov 2022
    • 103
    • España

    #1

    Samsung UE43RU7406 strange black figures

    Good afternoon! Let's see if anyone knows who can help me with this. attached photos. sometimes these strange black figures appear on the panel, in various areas. I have never seen this error. thank you
    Attached Files
  • Raulnn
    Senior Member
    • Nov 2022
    • 103
    • España

    #2
    Re: Samsung UE43RU7406 strange black figures

    someone?

    Comment

    • Diah
      Badcaps Legend
      • Feb 2013
      • 6357
      • Germany

      #3
      Re: Samsung UE43RU7406 strange black figures

      Originally posted by Raulnn
      someone?
      no one can answer yours questions.. only you self... if the this black line /points move up and down when you click on screen then its dirt under the glass if not then its panel burn cells.

      Comment

      • Raulnn
        Senior Member
        • Nov 2022
        • 103
        • España

        #4
        Re: Samsung UE43RU7406 strange black figures

        Originally posted by Diah
        no one can answer yours questions.. only you self... if the this black line /points move up and down when you click on screen then its dirt under the glass if not then its panel burn cells.


        thanks for answering. those strange figures appear and disappear, and different ones appear in another area. I think it can't be that. I forgot to put that information

        Comment

        • Davi.p
          Hobbist Tech
          • Sep 2009
          • 4309
          • Italy - Milan

          #5
          Re: Samsung UE43RU7406 strange black figures

          This is a software issue...

          Comment

          • howardc64
            Badcaps Veteran
            • Jun 2017
            • 605
            • United States

            #6
            Re: Samsung UE43RU7406 strange black figures

            Originally posted by Davi.p
            This is a software issue...
            I think similar. Or maybe graphics hardware has some failure. So replacing main board is most likely.


            Damage pattern doesn't look like panel (no vertical/horizontal lines)

            Comment

            • Diah
              Badcaps Legend
              • Feb 2013
              • 6357
              • Germany

              #7
              Re: Samsung UE43RU7406 strange black figures

              its RU series one of the shit U model cells burned on panel where this forum full of it.

              Comment

              • Raulnn
                Senior Member
                • Nov 2022
                • 103
                • España

                #8
                Re: Samsung UE43RU7406 strange black figures

                Thank you all for the answers. How could I rule out panel or main? I have thought about disconnecting a flat cable from the 2 that go to the panel, to see what happens. and then another. If the failure is in both cases, it could be the main board, and if it only fails in one of the 2 cases, it would be the panel. is it a good strategy? thank you

                Comment

                • ducky29
                  Badcaps Veteran
                  • Dec 2015
                  • 370
                  • Europe

                  #9
                  Re: Samsung UE43RU7406 strange black figures

                  I think its a software issue. Usually emmc goes faulty. Pretty sure a new mainboard would solve this problem.
                  Usually the menus are scrambled with big and assorted letters.

                  Comment

                  • Diah
                    Badcaps Legend
                    • Feb 2013
                    • 6357
                    • Germany

                    #10
                    Re: Samsung UE43RU7406 strange black figures

                    the best way log in service menu.. if service menu displayed complete over the black spot then its software.. and you can from service menu do factory reset.

                    Comment

                    • Raulnn
                      Senior Member
                      • Nov 2022
                      • 103
                      • España

                      #11
                      Re: Samsung UE43RU7406 strange black figures

                      Originally posted by ducky29
                      I think its a software issue. Usually emmc goes faulty. Pretty sure a new mainboard would solve this problem.
                      Usually the menus are scrambled with big and assorted letters.

                      Hello! Thank you very much for answering. I also think it could be a problem with the main board. Do you know any easy test to make sure? On the other hand, he located a main board, but it is a later version of the tv model, and it has a different bn94 code. it will work?

                      Comment

                      • Raulnn
                        Senior Member
                        • Nov 2022
                        • 103
                        • España

                        #12
                        Re: Samsung UE43RU7406 strange black figures

                        Originally posted by Diah
                        the best way log in service menu.. if service menu displayed complete over the black spot then its software.. and you can from service menu do factory reset.
                        thank you so much! Sounds like a good test to me. I never accessed the Samsung service menu, I imagine it won't be very complicated. I will investigate about it.

                        Unfortunately, on the screen of the service menu, the errors continue to appear. Is it a sign of panel failure?
                        Last edited by Raulnn; 05-11-2023, 11:56 AM.

                        Comment

                        • ducky29
                          Badcaps Veteran
                          • Dec 2015
                          • 370
                          • Europe

                          #13
                          Re: Samsung UE43RU7406 strange black figures

                          Post more pics from the menu. You should match the bn94 code. Matching BN41 code can work sometimes but its a hit or miss.

                          Comment

                          • Raulnn
                            Senior Member
                            • Nov 2022
                            • 103
                            • España

                            #14
                            Re: Samsung UE43RU7406 strange black figures

                            Originally posted by ducky29
                            Post more pics from the menu. You should match the bn94 code. Matching BN41 code can work sometimes but its a hit or miss.
                            The photos
                            Attached Files

                            Comment

                            • Raulnn
                              Senior Member
                              • Nov 2022
                              • 103
                              • España

                              #15
                              Re: Samsung UE43RU7406 strange black figures

                              If you notice, in the service menu, the strange figures are white or yellow. they are no longer black

                              Comment

                              • Diah
                                Badcaps Legend
                                • Feb 2013
                                • 6357
                                • Germany

                                #16
                                Re: Samsung UE43RU7406 strange black figures

                                Originally posted by Raulnn
                                If you notice, in the service menu, the strange figures are white or yellow. they are no longer black
                                i think this TV failed QC ( quality control ) from Factory LOL

                                Comment

                                • Davi.p
                                  Hobbist Tech
                                  • Sep 2009
                                  • 4309
                                  • Italy - Milan

                                  #17
                                  Re: Samsung UE43RU7406 strange black figures

                                  ma bastaaaaaaaaa.....!
                                  maybe a failing update, have you ordered a spare main board? What do you wait?

                                  Comment

                                  • Raulnn
                                    Senior Member
                                    • Nov 2022
                                    • 103
                                    • España

                                    #18
                                    Re: Samsung UE43RU7406 strange black figures

                                    Originally posted by Diah
                                    i think this TV failed QC ( quality control ) from Factory LOL
                                    Mainboard or panel?

                                    Comment

                                    • Raulnn
                                      Senior Member
                                      • Nov 2022
                                      • 103
                                      • España

                                      #19
                                      Re: Samsung UE43RU7406 strange black figures

                                      Originally posted by Davi.p
                                      ma bastaaaaaaaaa.....!
                                      maybe a failing update, have you ordered a spare main board? What do you wait?
                                      Is there a test to determine if it's the main board before I order it? the plate with the bn94 code is very expensive and difficult to find. thank you

                                      Comment

                                      • Davi.p
                                        Hobbist Tech
                                        • Sep 2009
                                        • 4309
                                        • Italy - Milan

                                        #20
                                        Re: Samsung UE43RU7406 strange black figures

                                        There's no need of any test at all, this discussion about if it's the panel or the main board is by beginners, the screen doesn't interpret any thing in any way about what's inside the image, so it can't invent to misshape a character font!!! I don't believe there are so many posts in this thread, some one must review its knowledge..

                                        Comment

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