Vizio P50HDTV10A

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  • tom66
    EVs Rule
    • Apr 2011
    • 32560
    • UK

    #21
    Re: Vizio P50HDTV10A

    Yeah, they're especially difficult on these panels because of how the buffer boards are upside down.
    Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
    For service manual, schematic, boardview (board view), datasheet, cad - use our search.

    Comment

    • aaronwt6
      Badcaps Veteran
      • Apr 2013
      • 855
      • US

      #22
      Re: Vizio P50HDTV10A

      Originally posted by tom66
      Yeah, they're especially difficult on these panels because of how the buffer boards are upside down.
      Agreed. Have to completely screw down the boards each time to test. I thought it was a stupid design. Coming from an engineer's standpoint it made no sense to me at all.

      Anyway, it was nice to see the set come on. That was only my 2nd plasma repair so it felt like a victory.

      Comment

      • tom66
        EVs Rule
        • Apr 2011
        • 32560
        • UK

        #23
        Re: Vizio P50HDTV10A

        I'd imagine that in the production facility they'd probably use a jig to install it because I can't imagine anyone being able to do that manually at any particular speed.
        Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
        For service manual, schematic, boardview (board view), datasheet, cad - use our search.

        Comment

        • aaronwt6
          Badcaps Veteran
          • Apr 2013
          • 855
          • US

          #24
          Re: Vizio P50HDTV10A

          With the total amount of cables on the back of that particular set, I don't know how it could be done very quickly regardless. I'd like to know the time per set for sure.

          Comment

          • tom66
            EVs Rule
            • Apr 2011
            • 32560
            • UK

            #25
            Re: Vizio P50HDTV10A

            There are some videos of plasma TV factories like How it's Made on the ex-Hitachi factory in Japan but I haven't yet seen one with buffer connections being installed, probably it's partially a trade secret as that would be one of the more laborious tasks and more expensive.
            Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
            For service manual, schematic, boardview (board view), datasheet, cad - use our search.

            Comment

            • aaronwt6
              Badcaps Veteran
              • Apr 2013
              • 855
              • US

              #26
              Re: Vizio P50HDTV10A

              I'm going to look up the How It's Made episode. I'd love to see that regardless.

              Comment

              • tom66
                EVs Rule
                • Apr 2011
                • 32560
                • UK

                #27
                Re: Vizio P50HDTV10A

                Here:
                https://www.youtube.com/watch?v=vUHFIBuIcYE
                Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
                For service manual, schematic, boardview (board view), datasheet, cad - use our search.

                Comment

                • aaronwt6
                  Badcaps Veteran
                  • Apr 2013
                  • 855
                  • US

                  #28
                  Re: Vizio P50HDTV10A

                  Cool clip. Thanks man!

                  Comment

                  • aaronwt6
                    Badcaps Veteran
                    • Apr 2013
                    • 855
                    • US

                    #29
                    Re: Vizio P50HDTV10A

                    I unfortunately have another update on this. TV worked for a couple days but is now showing black screen after 20 minutes of being on. Can be left off for 10 minutes at which point it will run for about another 20. Again this thing is 200 miles from me so it'll have to wait til next trip. Any clues on what may be wrong? Bad connection maybe or bad replacement buffer?

                    Thanks as always,

                    Aaron

                    Comment

                    • aaronwt6
                      Badcaps Veteran
                      • Apr 2013
                      • 855
                      • US

                      #30
                      Re: Vizio P50HDTV10A

                      Well, I called them back to tell them to quit using it for now but it was too late. Back to the yellow line down the middle. Seems like maybe something else caused the buffer board to fail. I'll probably have the TV at some point to look in to it further.

                      Comment

                      • tom66
                        EVs Rule
                        • Apr 2011
                        • 32560
                        • UK

                        #31
                        Re: Vizio P50HDTV10A

                        They may be unrelated problems. Buffer boards very rarely fail intermittently. It's plausible the control board had a problem, which may have damaged the buffer board. Usually with the solid line it's only one or two FETs though so it's not super difficult to fix.
                        Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
                        For service manual, schematic, boardview (board view), datasheet, cad - use our search.

                        Comment

                        • aaronwt6
                          Badcaps Veteran
                          • Apr 2013
                          • 855
                          • US

                          #32
                          Re: Vizio P50HDTV10A

                          Well whatever the case the replacement buffer board was $40 and now it's dead too. Hate to dump much more money in to a set that old. Was already trying to do a favor for a friend fixing it. Maybe I'll dive back in to it once I can get it to my house.

                          Comment

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