AOC 27G2O5 bad screen

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  • giulio93
    Badcaps Veteran
    • Aug 2021
    • 258
    • Italy

    #1

    AOC 27G2O5 bad screen

    Hi everyone, i have this monitor that has this problem. The monitor goes on and the buttons work. Click image for larger version

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    Anyone know what Is the problem? Thanks
  • lotas
    Badcaps Legend
    • Jan 2016
    • 4503
    • Russia

    #2
    It looks like the monitor was exposed to rain...

    Comment

    • giulio93
      Badcaps Veteran
      • Aug 2021
      • 258
      • Italy

      #3
      Originally posted by lotas
      It looks like the monitor was exposed to rain...
      It Is fixable? What Is damage?

      Comment

      • giulio93
        Badcaps Veteran
        • Aug 2021
        • 258
        • Italy

        #4
        Originally posted by lotas
        It looks like the monitor was exposed to rain...
        I open It and noticed the water. I dry off every layer. Now I have 2 questions. The sheets inside have a correct orientation? I'm worryd i reverse some of them.
        In secundis I found some brocken led. Where can i find a replacement?
        Thanks

        Comment

        • lotas
          Badcaps Legend
          • Jan 2016
          • 4503
          • Russia

          #5
          Better look for a donor with a broken screen and rearrange your matrix.

          Comment

          • giulio93
            Badcaps Veteran
            • Aug 2021
            • 258
            • Italy

            #6
            Originally posted by lotas
            Better look for a donor with a broken screen and rearrange your matrix.
            I don't have a doner. I noticed that the leds don't work are all nearby. And there Is 2 components at the estremità (meaby 2 diods). Can be them the problem?

            Comment

            • giulio93
              Badcaps Veteran
              • Aug 2021
              • 258
              • Italy

              #7
              Originally posted by lotas
              Better look for a donor with a broken screen and rearrange your matrix.
              Here the led situation
              Click image for larger version

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ID:	3293892

              Comment

              • rogfanther
                Badcaps Veteran
                • Jul 2006
                • 458
                • Brazil

                #8
                Possibly one of them is bad, and the whole segment will then stop working.

                Comment

                • giulio93
                  Badcaps Veteran
                  • Aug 2021
                  • 258
                  • Italy

                  #9
                  Originally posted by rogfanther
                  Possibly one of them is bad, and the whole segment will then stop working.
                  But i don't see a separation in the led strips 😭. I have a test Power supply, i can apply Power on each One by One to see the One that Is faulty?
                  At witch voltage the led works?
                  You meaby miss another question. The sheets inside the monitor have an orientation?
                  Thanks

                  Comment

                  • lotas
                    Badcaps Legend
                    • Jan 2016
                    • 4503
                    • Russia

                    #10
                    Originally posted by giulio93

                    The sheets inside the monitor have an orientation?
                    Thanks
                    Yes! It is important.

                    Comment

                    • giulio93
                      Badcaps Veteran
                      • Aug 2021
                      • 258
                      • Italy

                      #11
                      Originally posted by lotas

                      Yes! It is important.
                      Is there a metod to determinate the correct orientation of them?
                      For the leds testing? Can I test them One by One with a Power supply?
                      Thanks you so much

                      Comment

                      • lotas
                        Badcaps Legend
                        • Jan 2016
                        • 4503
                        • Russia

                        #12
                        These sheets should have the correct sequence, the first one is thick (plexiglass) and should be positioned correctly up and down, do they have any protrusions or slits on them? Then thin ones (1 or 2 sheets), if there are two thin ones, then you also need to lay them out correctly (which is the first, which is the second... Here it was necessary to remember the sequence.

                        Comment

                        • giulio93
                          Badcaps Veteran
                          • Aug 2021
                          • 258
                          • Italy

                          #13
                          Originally posted by lotas
                          These sheets should have the correct sequence, the first one is thick (plexiglass) and should be positioned correctly up and down, do they have any protrusions or slits on them? Then thin ones (1 or 2 sheets), if there are two thin ones, then you also need to lay them out correctly (which is the first, which is the second... Here it was necessary to remember the sequence.
                          The sequence is correct. Meaby i reverse upside down One or 2. Can be a problem?
                          Can I test the led singularry?
                          What Is the tension of the led?
                          Thanks

                          Comment

                          • giulio93
                            Badcaps Veteran
                            • Aug 2021
                            • 258
                            • Italy

                            #14
                            Click image for larger version  Name:	IMG_20240630_192453.jpg Views:	0 Size:	658.0 KB ID:	3299785
                            Originally posted by lotas
                            These sheets should have the correct sequence, the first one is thick (plexiglass) and should be positioned correctly up and down, do they have any protrusions or slits on them? Then thin ones (1 or 2 sheets), if there are two thin ones, then you also need to lay them out correctly (which is the first, which is the second... Here it was necessary to remember the sequence.
                            I test each led individually and each works fine. Now I don't understand.. can the problem be the two components at the extremity of the section that doesn't not work?
                            What Is that?
                            Thanks
                            Last edited by giulio93; 06-30-2024, 11:25 AM.

                            Comment

                            • giulio93
                              Badcaps Veteran
                              • Aug 2021
                              • 258
                              • Italy

                              #15
                              No one knows?

                              Comment

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