Sony XR-77A80J OLED 5 Blink

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  • ChattFix
    Senior Member
    • Oct 2021
    • 79
    • US

    #81
    See pictures below
    Attached Files

    Comment

    • Diah
      Badcaps Legend
      • Feb 2013
      • 6342
      • Germany

      #82
      Originally posted by ChattFix
      See pictures below
      please work and test on the boards from the downside not from top

      Comment

      • EazyBone
        Badcaps Legend
        • Jun 2023
        • 1303
        • United states

        #83

        Comment

        • Diah
          Badcaps Legend
          • Feb 2013
          • 6342
          • Germany

          #84
          Originally posted by EazyBone
          you are celebrating LOL.... please continue with him when he found the STBY pins active to do next step to test PSU as stand alone to know if there T-CON 12 and EVDD after it will prove please tell how it need to test the psu and t.con and panel as stand alone.... no LVDS or main boards socket in place. thank
          Click image for larger version

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          • EazyBone
            Badcaps Legend
            • Jun 2023
            • 1303
            • United states

            #85
            Not celebrating, just enjoying the show

            Comment

            • lotas
              Badcaps Legend
              • Jan 2016
              • 4457
              • Russia

              #86
              Originally posted by ChattFix
              See pictures below
              You are measuring on the wrong contacts, your probe is set to 11 pin.
              Attached Files

              Comment

              • Diah
                Badcaps Legend
                • Feb 2013
                • 6342
                • Germany

                #87
                Originally posted by EazyBone
                Not celebrating, just enjoying the show
                you are the owner of this threat and you know better than us all.... so do yours human job lol

                Comment

                • EazyBone
                  Badcaps Legend
                  • Jun 2023
                  • 1303
                  • United states

                  #88
                  Originally posted by Diah

                  you are the owner of this threat and you know better than us all.... so do yours human job lol
                  The thread has all the info. I've come a long way since this TV. I have also learned that I hate sonys. Once he can test the panel then I'm sure we will have an answer. I haven't seen one of these tvs get fixed yet.

                  Comment

                  • ChattFix
                    Senior Member
                    • Oct 2021
                    • 79
                    • US

                    #89
                    Diah I apologize for my lack of knowledge and not paying attention as much as I should. My readings were incorrect as you stated as I did not read the pins on the bottom part of the connector. I have been stopping my work on other repairs to learn TV's and have noticed my mind has been split between this and working on my other repairs so I apologize for my absent mind during these posts!

                    In saying that I do have 3.5v for the STBY. Staying on 2 I still don't have any readings on the 2 black connectors going to the T-CON as well as the white connector.

                    EazyBone I also was laughing at myself going back through these posts lol. I also apologize for adding two pages to this thread of nonsense haha

                    Comment

                    • Diah
                      Badcaps Legend
                      • Feb 2013
                      • 6342
                      • Germany

                      #90
                      Originally posted by ChattFix
                      Diah I apologize for my lack of knowledge and not paying attention as much as I should. My readings were incorrect as you stated as I did not read the pins on the bottom part of the connector. I have been stopping my work on other repairs to learn TV's and have noticed my mind has been split between this and working on my other repairs so I apologize for my absent mind during these posts!

                      In saying that I do have 3.5v for the STBY. Staying on 2 I still don't have any readings on the 2 black connectors going to the T-CON as well as the white connector.

                      EazyBone I also was laughing at myself going back through these posts lol. I also apologize for adding two pages to this thread of nonsense haha
                      disconnect the MB socket from PSU , and disconnect the 2 LVDS from T-CON, the sockets between PSU and T-CON should be in place

                      jumper STBY to pin 5 ( Power ON, & to pin 3 EVDD ON, and to pin 1. t-con on see the photo i attached at my post 84

                      turn ON and look at the screen how it will come on with pattern color

                      Comment

                      • lotas
                        Badcaps Legend
                        • Jan 2016
                        • 4457
                        • Russia

                        #91
                        Originally posted by Diah


                        turn ON and look at the screen how it will come on with pattern color
                        This is not a simple T-CON, and when power is applied to it, there will be nothing, no colors you will see!

                        Comment

                        • ChattFix
                          Senior Member
                          • Oct 2021
                          • 79
                          • US

                          #92
                          Originally posted by Diah

                          disconnect the MB socket from PSU , and disconnect the 2 LVDS from T-CON, the sockets between PSU and T-CON should be in place

                          jumper STBY to pin 5 ( Power ON, & to pin 3 EVDD ON, and to pin 1. t-con on see the photo i attached at my post 84

                          turn ON and look at the screen how it will come on with pattern color
                          I have 3.5v going to pin 1,3,5 but no picture. Do I need to jump some points to turn the TV on or do I just plug it in?

                          Comment

                          • ChattFix
                            Senior Member
                            • Oct 2021
                            • 79
                            • US

                            #93
                            Originally posted by ChattFix

                            I have 3.5v going to pin 1,3,5 but no picture. Do I need to jump some points to turn the TV on or do I just plug it in?
                            EazyBone are these the same steps that you followed with turning the tv on with just plugging it in?

                            Comment

                            • Diah
                              Badcaps Legend
                              • Feb 2013
                              • 6342
                              • Germany

                              #94
                              Originally posted by ChattFix

                              I have 3.5v going to pin 1,3,5 but no picture. Do I need to jump some points to turn the TV on or do I just plug it in?
                              if you did the jumpers correctly on the assigned pins. and you plug the tv in wall.... if no screen... test the sockets on the t-con all at fuses from both side if you have V.

                              Comment

                              • ChattFix
                                Senior Member
                                • Oct 2021
                                • 79
                                • US

                                #95
                                Originally posted by Diah

                                if you did the jumpers correctly on the assigned pins. and you plug the tv in wall.... if no screen... test the sockets on the t-con all at fuses from both side if you have V.
                                I'm getting 12.8v from 3 pins on the white socket but nothing from the black sockets.

                                Comment

                                • Diah
                                  Badcaps Legend
                                  • Feb 2013
                                  • 6342
                                  • Germany

                                  #96
                                  Originally posted by ChattFix

                                  I'm getting 12.8v from 3 pins on the white socket but nothing from the black sockets.
                                  you need now take out the PSU alone on table and do the jumpers all 3 as i wrote before and trouble shooting the circuit of EVDD circuit at cold area... u worked on it before... you may forget put back the R in place LOl or missed with some parts

                                  Comment

                                  • ChattFix
                                    Senior Member
                                    • Oct 2021
                                    • 79
                                    • US

                                    #97
                                    Originally posted by Diah

                                    you need now take out the PSU alone on table and do the jumpers all 3 as i wrote before and trouble shooting the circuit of EVDD circuit at cold area... u worked on it before... you may forget put back the R in place LOl or missed with some parts
                                    Put it on the table and the bridge is good. CN6601 only have 12.8v in Pin 1 and 3, Pin 2 only has .07. Everything else is 0v. What is the R or LOI?

                                    Comment

                                    • Diah
                                      Badcaps Legend
                                      • Feb 2013
                                      • 6342
                                      • Germany

                                      #98
                                      Originally posted by ChattFix

                                      Put it on the table and the bridge is good. CN6601 only have 12.8v in Pin 1 and 3, Pin 2 only has .07. Everything else is 0v. What is the R or LOI?
                                      R the Resistor you moved before one leg at early testing... do you have on bin 3 socket 6401 3.3V as the STBY

                                      Comment

                                      • ChattFix
                                        Senior Member
                                        • Oct 2021
                                        • 79
                                        • US

                                        #99
                                        Originally posted by Diah

                                        R the Resistor you moved before one leg at early testing... do you have on bin 3 socket 6401 3.3V as the STBY
                                        Resistor is getting 12.8v on the positive side. Bin 3 socket 6401 is getting 3.5v

                                        Comment

                                        • Diah
                                          Badcaps Legend
                                          • Feb 2013
                                          • 6342
                                          • Germany

                                          #100
                                          Originally posted by ChattFix

                                          Resistor is getting 12.8v on the positive side. Bin 3 socket 6401 is getting 3.5v
                                          this rail pin 3 are EVDD which right now missing V on socket 6101, you need to follow the rail from pin 3 socket 6401 circuit till the optocoupler , there you have issue which the EVDD circuit didn't start

                                          Comment

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