SHARP LC-60LE635 transparent horizontal stripped

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  • romasik
    Senior Member
    • May 2022
    • 56
    • Ukraine

    #1

    SHARP LC-60LE635 transparent horizontal stripped

    Has anyone experienced this? Translucent streaks appear in the photo you can see them. They appear and disappear. Sometimes it's always streaks, sometimes it's not. If you put your finger in the area of the t-con chip, the stripes begin to appear and disappear every second. T-con to replace?
    Attached Files
  • nomoresonys
    Badcaps Legend
    • Jan 2013
    • 12307
    • U.S.

    #2
    Make sure the cables going to and from the tcon are clean and not damaged, properly inserted and secure not loose, if you clean them be gentle, they can be delicate, can clean with ipa.

    Comment

    • romasik
      Senior Member
      • May 2022
      • 56
      • Ukraine

      #3
      Originally posted by nomoresonys
      Make sure the cables going to and from the tcon are clean and not damaged, properly inserted and secure not loose, if you clean them be gentle, they can be delicate, can clean with ipa.
      Everything is fine with the cables

      Comment

      • Diah
        Badcaps Legend
        • Feb 2013
        • 6499
        • Germany

        #4
        take the ribbon cable out... clean the socket and exam the clip of the sockets if they are closed tight

        Comment

        • Davi.p
          Hobbist Tech
          • Sep 2009
          • 4518
          • Italy - Milan

          #5
          photo is not correctly get, if you use cellular, keep it horizontal, record both clear and dark images.. are the streaks moving? does it with every input types?

          Comment

          • romasik
            Senior Member
            • May 2022
            • 56
            • Ukraine

            #6
            Originally posted by Davi.p
            photo is not correctly get, if you use cellular, keep it horizontal, record both clear and dark images.. are the streaks moving? does it with every input types?
            It doesn't matter how you hold the phone. Stripes are everywhere, there are none on a white background. It seems that the light stripes are just a slight increase in brightness. Lately they have been almost constant. There are no problems with cables. I also tried changing the capacitors on the power supply, nothing changed.

            Here's another photo

            Attached Files

            Comment

            • Diah
              Badcaps Legend
              • Feb 2013
              • 6499
              • Germany

              #7
              i cant notice the lines.. but from yours description they are NOISE .. 2 reason could be
              1- the signal source if its from Areal or Wall cable.. ( connect the TV with HDMI video source to see if the line remain ) if they remain.. then
              2_ T-CON problem

              Comment

              • romasik
                Senior Member
                • May 2022
                • 56
                • Ukraine

                #8
                I already wrote the cables are normal. There are also stripes in the TV menu. And the photo clearly shows horizontal alternating stripes

                Comment

                • Davi.p
                  Hobbist Tech
                  • Sep 2009
                  • 4518
                  • Italy - Milan

                  #9
                  You did not tell about using different inputs.. check if the tcon has electrolytic caps, and check them..
                  if you have no esr meter try heating them with phon and retest tv..

                  Comment

                  • romasik
                    Senior Member
                    • May 2022
                    • 56
                    • Ukraine

                    #10
                    Originally posted by Davi.p
                    You did not tell about using different inputs.. check if the tcon has electrolytic caps, and check them..
                    if you have no esr meter try heating them with phon and retest tv..
                    stripes everywhere, in the menu, on sputnik TV, at all inputs. I tried to heat the t-con board, maybe after that the stripes disappeared or maybe not, at first they appeared rarely, they might not appear for a week, but now they are almost constant . I also ordered the same t-con from China, but it broken to not work at all(

                    Comment

                    • Davi.p
                      Hobbist Tech
                      • Sep 2009
                      • 4518
                      • Italy - Milan

                      #11
                      Are there elec. caps on the tcon? Why not to change them? Before this also a reflow / resolder of tcon / panel connectors.. also try to raise the volume of audio and feel if it is present a vibrating noise, there could be a disturbing signal of some type of electric device around you or your home.. last, there could be a leakage in input filter capacitors in power supply..

                      WOW... 3333 posts... i'm going to buy a lottery ticket..
                      Last edited by Davi.p; 12-25-2023, 04:43 PM.

                      Comment

                      • romasik
                        Senior Member
                        • May 2022
                        • 56
                        • Ukraine

                        #12
                        I don’t understand what the sound has to do with it, the sound is turned off on my TV, I’m using a home theater through a laptop. I changed all the capacitors except those that go to the backlight and those that are 400 volts. Maybe try a soldering iron to heat the capacitors on the board t-con?

                        Comment

                        • Diah
                          Badcaps Legend
                          • Feb 2013
                          • 6499
                          • Germany

                          #13
                          i wrote in my post #7 t-con problem of this noise -- why don't show us here yours original t-con to see the main CHIPs and its Gama chip

                          Comment

                          • romasik
                            Senior Member
                            • May 2022
                            • 56
                            • Ukraine

                            #14
                            Runtk4910tp
                            Attached Files

                            Comment

                            • Davi.p
                              Hobbist Tech
                              • Sep 2009
                              • 4518
                              • Italy - Milan

                              #15
                              I already told you about the tcon electrolytics, are you reading well what i write? The tv speakers could be a tester to catch ambient disturbations eventually.. traces of alternate voltage..
                              you tell me about electrolytics you changed, i know, i'm not dazed, i am speaking about those on the input filter, do you know? Do you have any experience in electronics? I mean polyester square types.. post a picture of power board eventually..
                              Last edited by Davi.p; 12-26-2023, 01:27 AM.

                              Comment

                              • Diah
                                Badcaps Legend
                                • Feb 2013
                                • 6499
                                • Germany

                                #16
                                Originally posted by romasik
                                Runtk4910tp
                                T_CON with out Metal Shield cover the chips !!!!???

                                Comment

                                • romasik
                                  Senior Member
                                  • May 2022
                                  • 56
                                  • Ukraine

                                  #17
                                  Originally posted by Diah

                                  T_CON with out Metal Shield cover the chips !!!!???
                                  Yes, this is how it is installed in this model. the main board is covered with an iron shield .

                                  Comment

                                  • romasik
                                    Senior Member
                                    • May 2022
                                    • 56
                                    • Ukraine

                                    #18
                                    Originally posted by Davi.p
                                    I already told you about the tcon electrolytics, are you reading well what i write? The tv speakers could be a tester to catch ambient disturbations eventually.. traces of alternate voltage..
                                    you tell me about electrolytics you changed, i know, i'm not dazed, i am speaking about those on the input filter, do you know? Do you have any experience in electronics? I mean polyester square types.. post a picture of power board eventually..
                                    Power supply board, full image i post later, not have in my phone.
                                    Attached Files
                                    Last edited by romasik; 12-26-2023, 06:38 AM.

                                    Comment

                                    • romasik
                                      Senior Member
                                      • May 2022
                                      • 56
                                      • Ukraine

                                      #19
                                      This caps i try resolder, but nothing change

                                      Attached Files

                                      Comment

                                      • Diah
                                        Badcaps Legend
                                        • Feb 2013
                                        • 6499
                                        • Germany

                                        #20
                                        Originally posted by romasik

                                        Yes, this is how it is installed in this model. the main board is covered with an iron shield .
                                        its T-CON issue.... packing it or try to find replacement

                                        Comment

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