Vizio E550I-B2E

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  • Super360
    Badcaps Veteran
    • Jul 2016
    • 243
    • United States
    #1

    Vizio E550I-B2E

    Hi everyone I have a set here that wont turn on at all. It has a white standby light but when you press power it acts like it wants to turn on by the light going off but nothing. You guys have any suggestions a tested the led strip with a led tester all is good there. So Now I'm wondering if its the psu, mainboard or tcon? thanks guys. I will upload pics of anything you guys want no problem.
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    • lotas
      Badcaps Legend
      • Jan 2016
      • 4536
      • Russia
      #2
      Re: Vizio E550I-B2E

      Most likely the same problem, to solder the plug
      https://www.youtube.com/watch?v=paeXXLvQhCk
      https://www.youtube.com/watch?v=6u315asn_OA

        Comment

        • Super360
          Badcaps Veteran
          • Jul 2016
          • 243
          • United States
          #3
          Re: Vizio E550I-B2E

          Yes its funny I took out the boards to find the connector was completely loose omg problem fixed thank you. That was my issue not often in tv repair is it this easy and free. thanks guys.

            Comment

            • lotas
              Badcaps Legend
              • Jan 2016
              • 4536
              • Russia
              #4
              Re: Vizio E550I-B2E

              Yes, along the way, this is their typical malfunction.

                Comment

                • handsworth
                  Senior Member
                  • Oct 2015
                  • 174
                  • United States
                  #5
                  Re: Vizio E550I-B2E

                  Easy Peezy, I've found or bought many of these for pennies and fixed for nothing. Glad you fixed it.

                    Comment

                    • Super360
                      Badcaps Veteran
                      • Jul 2016
                      • 243
                      • United States
                      #6
                      Re: Vizio E550I-B2E

                      Good way to make some extra money for sure thanks guys.

                        Comment

                        • ajshoe
                          ajshoe
                          • Dec 2012
                          • 477
                          • usa
                          #7
                          Re: Vizio E550I-B2E

                          just found one of these on curb. WOW - what an easy fix. So what makes the connector solder joints go bad ? Is there a way to make sure this doesn't happen again ? Obviously this board was made CHEAP. horrible soldering on connector and rest of board.

                            Comment

                            • Super360
                              Badcaps Veteran
                              • Jul 2016
                              • 243
                              • United States
                              #8
                              Re: Vizio E550I-B2E

                              I took out both boards and resoldered both the male and female connectors probably bout 8 through hole on each connector just resolder the entire both connectors with FLUX AND GOOD LEAD SOLDER. finish with ipa alcohol cleaning tooth brush. Tighten all the ground screws in tv as well

                                Comment

                                • ajshoe
                                  ajshoe
                                  • Dec 2012
                                  • 477
                                  • usa
                                  #9
                                  Re: Vizio E550I-B2E

                                  did all those things and soldered xformer pins also. curious why connector pins go bad.

                                    Comment

                                    • diif
                                      Badcaps Legend
                                      • Feb 2014
                                      • 6978
                                      • England
                                      #10
                                      Re: Vizio E550I-B2E

                                      Originally posted by ajshoe
                                      did all those things and soldered xformer pins also. curious why connector pins go bad.
                                      The design of the connector and lead free solder along with thermal expansion and contraction.
                                      Did you remove all of the old solder or just added new leaded?

                                        Comment

                                        • ajshoe
                                          ajshoe
                                          • Dec 2012
                                          • 477
                                          • usa
                                          #11
                                          Re: Vizio E550I-B2E

                                          added leaded solder. I should have removed the lead-free solder. I did touch up all the connectors and xformer. Its an easy access - probably have to do it again. seems like connection between boards should have been a short cable

                                            Comment

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