Panasonic vertical lines TCP65ST30

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  • Yrock
    New Member
    • May 2017
    • 6
    • USA
    #1

    Panasonic vertical lines TCP65ST30

    As shown in the picture I am experiencing a vertical bar on the right side. I have replaced the buffer board (TNPA5327) and experience the same problem. I have cleaned the connecting ribbon cables and no changes. The ribbon cables do not look torn in any way. Can anyone advise where to check next? I'm pulling my hair out on this one.
    Attached Files
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    • Hombre
      Badcaps Veteran
      • Jul 2013
      • 231
      • Croatia
      #2
      Re: Panasonic vertical lines TCP65ST30

      Well i think it is either cable that is going from motherboard to the buffer (but since you already cleaned it it should be excluded), or most probably dying mainboard.
      I think it is not the panel itself.

      But, it is up to you will you gamble with new mainboard or not

        Comment

        • Yrock
          New Member
          • May 2017
          • 6
          • USA
          #3
          Re: Panasonic vertical lines TCP65ST30

          Thanks for the quick response. I found a main board for $10 with free shipping so I figured it was worth the chance. Is it common for a failing main board to display these symptoms?

            Comment

            • tw2005
              Badcaps Legend
              • Oct 2011
              • 6457
              • Australia
              #4
              Re: Panasonic vertical lines TCP65ST30

              next step would be to go into service menu, perform horizontal flip and if the pink band went to left side, mainboard.

              Check all board bolts especially sc and ss for security, chances are they'll be loose. if you have not had the SC board blow yet.

                Comment

                • Moreno83
                  Badcaps Legend
                  • Jun 2014
                  • 2008
                  • The Netherlands
                  #5
                  Re: Panasonic vertical lines TCP65ST30

                  This is a mainboard fault because it's still showing the picture. Apply some pressure on the heatsink and you will see it flicker/go away.

                  Just bad BGA solder.
                  I only repair Panasonic plasma tv's! Currently owning a TX-P55VT50 and still searching for a ZT60!

                    Comment

                    • Yrock
                      New Member
                      • May 2017
                      • 6
                      • USA
                      #6
                      Re: Panasonic vertical lines TCP65ST30

                      Well the main board I ordered was dead so I put back the old main board but there is no heatsinks that I see. I did flip the image in the settings but the band stayed at the same position on the TV. Anything else I should try?

                        Comment

                        • Yrock
                          New Member
                          • May 2017
                          • 6
                          • USA
                          #7
                          Re: Panasonic vertical lines TCP65ST30

                          Here is the picture of the main board for reference.
                          Attached Files

                            Comment

                            • attainteddragon
                              Badcaps Veteran
                              • Apr 2013
                              • 764
                              • australia
                              #8
                              Re: Panasonic vertical lines TCP65ST30

                              if the discoloured section did not move with the screen image rotated, then it is not the main board at fault. :/
                              WHY CAN'T PHILIPS USE PHILLIPS HEAD SCREWS?

                                Comment

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