Sansung fp-t5084 black vertical lines, other issues

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  • jimmy2
    New Member
    • Nov 2012
    • 5
    • usa
    #1

    Sansung fp-t5084 black vertical lines, other issues

    Samsung fp-t5084 plasma, picture went out and found many bad caps on the power supply. Pulled and replaced the caps. Powers up but no picture. Replace y-main and both upper and lower buffer boards and tv has a picture with two vertical black lines on the left side. Read it could be a connection or a bad f-address board. Picked up a cheap f-address board and as soon as it powered up 5 22ohm resisters fried. Still have the same two black lines. Can the power supply still be an issue or maybe the x-main? Can the panel be bad? Any help would be greatly appreciated.
    Thanks Jim
    Tags: None
    • jimmy2
      New Member
      • Nov 2012
      • 5
      • usa
      #2
      Re: Sansung fp-t5084 black vertical lines, other issues

      Any thoughts on this issue. I don't want to give up!!

        Comment

        • tom66
          EVs Rule
          • Apr 2011
          • 32560
          • UK
          #3
          Re: Sansung fp-t5084 black vertical lines, other issues

          Possibly a bad panel...
          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

            • Cosmo66
              Senior Member
              • Nov 2012
              • 87
              • USA
              #4
              Re: Sansung fp-t5084 black vertical lines, other issues

              I have one of these models I'm working on right now. After doing some research online, it sounds this model in particular is plagued with many problems. I found blown caps all over the y sustain and power supply. I've replaced almost every single one. I'm ready to huck the thing out the window

                Comment

                • Cosmo66
                  Senior Member
                  • Nov 2012
                  • 87
                  • USA
                  #5
                  Re: Sansung fp-t5084 black vertical lines, other issues

                  Have you checked the connectors to the panel?

                    Comment

                    • jimmy2
                      New Member
                      • Nov 2012
                      • 5
                      • usa
                      #6
                      Re: Sansung fp-t5084 black vertical lines, other issues

                      Originally posted by Cosmo66
                      Have you checked the connectors to the panel?
                      I have released and pulled out the ribbon cables on the board where the black bars are appearing. They seemed to be secure. I just dont understand why a replacement board would have 5 resisters burn up as soon as power up. Im thinking of replacing the resisters and powering the set up with the panel connectors unplugged to see if the resistors still fail. Could a bad panel maybe cause the board to fail??

                        Comment

                        • tom66
                          EVs Rule
                          • Apr 2011
                          • 32560
                          • UK
                          #7
                          Re: Sansung fp-t5084 black vertical lines, other issues

                          If the driver IC in the flex is shorted, it could cause that.
                          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

                            • jimmy2
                              New Member
                              • Nov 2012
                              • 5
                              • usa
                              #8
                              Re: Sansung fp-t5084 black vertical lines, other issues

                              anyway to tell if a driver ic is shorted??

                                Comment

                                • tom66
                                  EVs Rule
                                  • Apr 2011
                                  • 32560
                                  • UK
                                  #9
                                  Re: Sansung fp-t5084 black vertical lines, other issues

                                  Not 100%... but generally when you have single pixel lines or blocks about 4cm wide, it's the panel. The F-address has very little on it which can fail, usually it causes the whole half or third of the screen to fail.
                                  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

                                    • jimmy2
                                      New Member
                                      • Nov 2012
                                      • 5
                                      • usa
                                      #10
                                      Re: Sansung fp-t5084 black vertical lines, other issues

                                      Originally posted by tom66
                                      Not 100%... but generally when you have single pixel lines or blocks about 4cm wide, it's the panel. The F-address has very little on it which can fail, usually it causes the whole half or third of the screen to fail.

                                      I have two complete black approx two inch wide vertical lines out
                                      Attached Files

                                        Comment

                                        • tom66
                                          EVs Rule
                                          • Apr 2011
                                          • 32560
                                          • UK
                                          #11
                                          Re: Sansung fp-t5084 black vertical lines, other issues

                                          Yeah, that looks like a panel failure to me. It could be a loose driver connector, but it seems more likely to me that it's a bad panel.

                                          Note: If the 5V on the PSU went too high due to bad caps, it could damage the panel.
                                          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

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