Samsung UN55D6003SFXZA TV turns off after 20-30 seconds

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  • EvansEssence
    New Member
    • Feb 2023
    • 3
    • United States
    #1

    Samsung UN55D6003SFXZA TV turns off after 20-30 seconds

    Hey guys! I saved an older Samsung tv from the recycle bin to tinker with as a hobby. Looking for some help as to what else to check/replace.

    The issues it had at first was it would randomly reset its picture settings, this slowly devolved into it rebooting itself and the control board becoming unresponsive. Now it has finally gotten to the point where it no longer turns itself on when plugged in, but when I turn it on with the remote or power button it will boot to a blank input work for 15-20 seconds then turn itself off. I found if I pull up the menu it will actually freeze my control then turn off. The time to turn off is semi-consistent.

    I have tried reflowing the board, and even replaced the NAND flash chip (ic1302) and the same issue still occurs . I tried getting into maintenance mode (Mute - 1 - 8 - 2 - Power On) and the issue occurs in there too. Also tried factory resetting after NAND replacement and bridging the SDA / Reset.

    Any other ideas of what it could possibly be or what I could try? The Power board's capacitors look fine though I haven't tested them all with a multimeter yet.

    Thanks!
    Tags: None
    • nomoresonys
      Badcaps Legend
      • Jan 2013
      • 12206
      • U.S.
      #2
      Re: Samsung UN55D6003SFXZA TV turns off after 20-30 seconds

      with tv unplugged from power which it should be any time connecting cables, unhook one at a time of the wide flat cables and try tv, so youre trying it with one cable unhooked then plug it back in and try it with other cable unhooked.

        Comment

        • lotas
          Badcaps Legend
          • Jan 2016
          • 4618
          • Russia
          #3
          Re: Samsung UN55D6003SFXZA TV turns off after 20-30 seconds

          There are nuances in this chassis, IC1301 SDIN5D2-2G (eMMC) and IC1302 KFG1GN6W2D (OneNAND) must be the same software version, and eMMC (IC1301) dies in the main.

            Comment

            • nomoresonys
              Badcaps Legend
              • Jan 2013
              • 12206
              • U.S.
              #4
              Re: Samsung UN55D6003SFXZA TV turns off after 20-30 seconds

              Great info Lotas, sure does seem like a memory issue.

                Comment

                • EvansEssence
                  New Member
                  • Feb 2023
                  • 3
                  • United States
                  #5
                  Re: Samsung UN55D6003SFXZA TV turns off after 20-30 seconds

                  Originally posted by lotas
                  There are nuances in this chassis, IC1301 SDIN5D2-2G (eMMC) and IC1302 KFG1GN6W2D (OneNAND) must be the same software version, and eMMC (IC1301) dies in the main.
                  Ah, so its most likely my eMMC chip then? Anything I can do other than re-balling it and replacing? I think id just consider the board toast if I have to replace the eMMC chip

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