Samsung UE75TU6905 reboot loop

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  • Admin
    Administrator
    • Oct 2003
    • 5334
    • United Kingdom

    #21
    nomoresonys is back after some discussion. rules need to be followed

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    • nomoresonys
      Badcaps Legend
      • Jan 2013
      • 12074
      • U.S.

      #22
      Lol, yeah, the mods are correct, I'm the bad apple. Taking a vacation from badcaps, might see you in the future, maybe.

      Comment

      • brkie
        Random guy
        • Sep 2024
        • 14
        • Sweden

        #23
        Originally posted by Diah

        you used the Tv as presentation..as you said... with which source ? HDMI or USB ?

        from yours fault description it show the logo then Tizen then make reboot... this mean after Tizen usually the set with switch on the last source where it working on.... so if it was HDMI it could the source switch damaged or it set on solution which TV didnt understand it... try trik the TV to put it in STBY and from STBY state call service menu from there do hard reset.

        or use the last source input with content low resolution not 4K lower you have even if 480p
        Used with HDMI, we hade it at work for screen mirror from PC some times, max 10 hours of use...


        This is what I've done: disconnected the TV, removed the back panel, disconnected the motherboard from the power cord, it does NOT reboot.
        Reconnect the motherboard, it reboots. Disconnect the flat cable from motherboard, it doesn't reboot. Sound is present the whole time.

        Comment

        • lotas
          Badcaps Legend
          • Jan 2016
          • 4451
          • Russia

          #24
          Originally posted by brkie

          Disconnect the flat cable from motherboard, it doesn't reboot. Sound is present the whole time.
          This indicates that the panel is faulty.

          There are U-shaped cables on the strips that connect these punks to each other, disconnect them on one side and check for reboot, then do the same on the other side and then you can determine which side the problem is on.
          Last edited by lotas; 09-06-2024, 11:14 AM.

          Comment

          • brkie
            Random guy
            • Sep 2024
            • 14
            • Sweden

            #25
            Originally posted by lotas

            This indicates that the panel is faulty.

            There are U-shaped cables on the strips that connect these punks to each other, disconnect them on one side and check for reboot, then do the same on the other side and then you can determine which side the problem is on.
            Thanks, so it's not the motherboard? And I guess the panel isn't something you can replace, so it's just taking it to the dump?

            Comment

            • lotas
              Badcaps Legend
              • Jan 2016
              • 4451
              • Russia

              #26
              Originally posted by brkie

              Thanks, so it's not the motherboard? And I guess the panel isn't something you can replace, so it's just taking it to the dump?
              Take a good photo of these bottom bars.
              Attached Files

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              • brkie
                Random guy
                • Sep 2024
                • 14
                • Sweden

                #27
                Originally posted by lotas

                Take a good photo of these bottom bars.
                Left from home but I had a photo of this if thats what you mean:

                Comment

                • lotas
                  Badcaps Legend
                  • Jan 2016
                  • 4451
                  • Russia

                  #28
                  Yes, they are, but I need photos of them in their entirety, especially the ends of the left and right strips.

                  Comment

                  • Diah
                    Badcaps Legend
                    • Feb 2013
                    • 6335
                    • Germany

                    #29
                    Originally posted by brkie

                    Used with HDMI, we hade it at work for screen mirror from PC some times, max 10 hours of use...


                    This is what I've done: disconnected the TV, removed the back panel, disconnected the motherboard from the power cord, it does NOT reboot.
                    Reconnect the motherboard, it reboots. Disconnect the flat cable from motherboard, it doesn't reboot. Sound is present the whole time.
                    then you have on the right side ( when you look from the back) at the end of panel puffer boards there are 4 ESD diode.at the section remarked E8 .. one could be shorted as its protect at time the resolution came from HDMI

                    Comment

                    • brkie
                      Random guy
                      • Sep 2024
                      • 14
                      • Sweden

                      #30
                      Originally posted by lotas
                      Yes, they are, but I need photos of them in their entirety, especially the ends of the left and right strips.

                      Comment

                      • brkie
                        Random guy
                        • Sep 2024
                        • 14
                        • Sweden

                        #31
                        Originally posted by Diah

                        then you have on the right side ( when you look from the back) at the end of panel puffer boards there are 4 ESD diode.at the section remarked E8 .. one could be shorted as its protect at time the resolution came from HDMI
                        Can i check somehow?

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                        • lotas
                          Badcaps Legend
                          • Jan 2016
                          • 4451
                          • Russia

                          #32
                          You don't understand, I don't need these trains, but a photo of this green strip in its entirety, from one end to the other, the full length, maybe a photo in pieces.
                          You can disconnect the speakers.
                          Attached Files

                          Comment

                          • Diah
                            Badcaps Legend
                            • Feb 2013
                            • 6335
                            • Germany

                            #33
                            Originally posted by brkie

                            Can i check somehow?
                            why you upload photo of yours power boards.... yours issue at the panel puffer boards which you show the u ribbon disconnected... look on the right side after you take out the speaker at the end of the boards you will be able to see pack of ESD diode.... or you have problem with language ?

                            Comment

                            • brkie
                              Random guy
                              • Sep 2024
                              • 14
                              • Sweden

                              #34
                              Sorry, my English is not the best nor the terms of parts in a TV. Thx for your help

                              Comment

                              • lotas
                                Badcaps Legend
                                • Jan 2016
                                • 4451
                                • Russia

                                #35
                                Remove this tape and take close-up photos of these areas.
                                Attached Files

                                Comment

                                • Diah
                                  Badcaps Legend
                                  • Feb 2013
                                  • 6335
                                  • Germany

                                  #36
                                  Originally posted by lotas
                                  Remove this tape and take close-up photos of these areas.
                                  nothings under the type as i member... the pack of ESD are little to left top of the right side.... each diode with 6 pins.

                                  Comment

                                  • Diah
                                    Badcaps Legend
                                    • Feb 2013
                                    • 6335
                                    • Germany

                                    #37
                                    zoom here.. i thing here are the 4 ESD
                                    Click image for larger version

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                                    Comment

                                    • lotas
                                      Badcaps Legend
                                      • Jan 2016
                                      • 4451
                                      • Russia

                                      #38
                                      Originally posted by Diah

                                      nothings under the type as i member... the pack of ESD are little to left top of the right side.... each diode with 6 pins.
                                      Yes, I don’t like the look under the tape, as if there was corrosion there from the glue.

                                      Comment

                                      • Diah
                                        Badcaps Legend
                                        • Feb 2013
                                        • 6335
                                        • Germany

                                        #39
                                        Originally posted by lotas

                                        Yes, I don’t like the look under the tape, as if there was corrosion there from the glue.
                                        exactly... its paper type... not chassis type,,, it may make short too,,, so he need to take them out from both side

                                        Comment

                                        • lotas
                                          Badcaps Legend
                                          • Jan 2016
                                          • 4451
                                          • Russia

                                          #40
                                          Can't remove the tape?

                                          Yes, here I think for a long time...
                                          Last edited by lotas; 09-06-2024, 05:13 PM.

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