Emerson TV Problem Please Help

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  • thisjustin
    New Member
    • Jan 2013
    • 5
    • USA
    #1

    Emerson TV Problem Please Help

    I got a free tv today!!! Only problem is....its broken It had a lot of vertical lines going up and down the screen. I did some research and found Jscreenfix. It eliminated a lot of the lines but the darker lines are still there e.g. blue, black, dark green. Her are some pics


    https://www.dropbox.com/sh/2klsuv9m74z7qs9/EaLxS66l1Q
    Last edited by thisjustin; 01-03-2013, 09:23 PM.
    Tags: None
    • budm
      Badcaps Legend
      • Feb 2010
      • 40746
      • USA
      #2
      Re: Emerson TV Problem Please Help

      It looks like tab bonding on the right side of the LCD panel are bad.
      Never stop learning
      Basic LCD TV and Monitor troubleshooting guides.
      http://www.badcaps.net/forum/showthr...956#post305956

      Voltage Regulator (LDO) testing:
      http://www.badcaps.net/forum/showthr...999#post300999

      Inverter testing using old CFL:
      http://www.badcaps.net/forum/showthr...er+testing+cfl

      Tear down pictures : Hit the ">" Show Albums and stories" on the left side
      http://s807.photobucket.com/user/budm/library/

      TV Factory reset codes listing:
      http://www.badcaps.net/forum/showthread.php?t=24809

        Comment

        • thisjustin
          New Member
          • Jan 2013
          • 5
          • USA
          #3
          Re: Emerson TV Problem Please Help

          Originally posted by budm
          It looks like tab bonding on the right side of the LCD panel are bad.
          What is a tab bonding?

            Comment

            • Krankshaft
              Badcaps Legend
              • Jan 2007
              • 2328
              • USA
              #4
              Re: Emerson TV Problem Please Help

              It means the panel is junk. The bonded ribbon cable coming from the glass panel has come loose from the neighboring PCB.
              Last edited by Krankshaft; 01-04-2013, 01:55 AM.
              Elements of the past and the future combining to make something not quite as good as either.

                Comment

                • thisjustin
                  New Member
                  • Jan 2013
                  • 5
                  • USA
                  #5
                  Re: Emerson TV Problem Please Help

                  Originally posted by Krankshaft
                  It means the panel is junk.
                  Sorry im a noob with this stuff i dont know what a panel is either

                    Comment

                    • tom66
                      EVs Rule
                      • Apr 2011
                      • 32560
                      • UK
                      #6
                      Re: Emerson TV Problem Please Help

                      The panel is the LCD itself; it makes up the majority of the cost of the TV.

                      It is comprised of glass and thin film transistors, among other components.

                      When the tab bonds fail the signals going to the thin film transistors get lost and you get black lines.

                      I do not know how a "JScreenfix" program could even attempt to fix this. No amount of flashing pixels will get the pixels back, especially if they are missing the signal in the first place. Seems like a bit of nonsense to me!
                      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

                        • MisterD
                          Badcaps Veteran
                          • Oct 2012
                          • 668
                          • United States
                          #7
                          Re: Emerson TV Problem Please Help

                          This may or may not work but take your hand and tap kind of hard but not too hard on the plastic (bezel) Case on the top side and bottom on the front side of the TV where the lines are located, sometimes this will make the tab bonds re-connect but it may not last. there is a video on youtube that shows a method of disassembling by removing the front plastic bezel, and then the metal frame around the LCD Panel and using foam tape on each side of the ribbon cables, when applied it will add pressure to the tabs to make them re-connect, but no guarantees it will last. here's the link to the video. http://www.youtube.com/watch?v=purk_SyiT44

                            Comment

                            • thisjustin
                              New Member
                              • Jan 2013
                              • 5
                              • USA
                              #8
                              Re: Emerson TV Problem Please Help

                              Originally posted by MisterD
                              This may or may not work but take your hand and tap kind of hard but not too hard on the plastic (bezel) Case on the top side and bottom on the front side of the TV where the lines are located, sometimes this will make the tab bonds re-connect but it may not last. there is a video on youtube that shows a method of disassembling by removing the front plastic bezel, and then the metal frame around the LCD Panel and using foam tape on each side of the ribbon cables, when applied it will add pressure to the tabs to make them re-connect, but no guarantees it will last. here's the link to the video. http://www.youtube.com/watch?v=purk_SyiT44
                              hank you very much

                                Comment

                                • MisterD
                                  Badcaps Veteran
                                  • Oct 2012
                                  • 668
                                  • United States
                                  #9
                                  Re: Emerson TV Problem Please Help

                                  Any Luck?

                                    Comment

                                    • thisjustin
                                      New Member
                                      • Jan 2013
                                      • 5
                                      • USA
                                      #10
                                      Re: Emerson TV Problem Please Help

                                      still troubleshooting, the rubber tabs def fix the problem i just cant get it to stay fixed

                                        Comment

                                        • MisterD
                                          Badcaps Veteran
                                          • Oct 2012
                                          • 668
                                          • United States
                                          #11
                                          Re: Emerson TV Problem Please Help

                                          Is it mainly just one tab bond that's bad? I think it has to have just the right amount of pressure when the plastic bezel is put back in place to hold it.

                                            Comment

                                            • RJARRRPCGP
                                              Badcaps Legend
                                              • Jul 2004
                                              • 6301
                                              • USA
                                              #12
                                              Re: Emerson TV Problem Please Help

                                              Looks similar to what my Acer TravelMate 4200 laptop screen does.

                                              (Which with mine, appears to be bad connector contact and I can make all vertical lines go away by flexing it a certain way.)
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                                                Comment

                                                • MisterD
                                                  Badcaps Veteran
                                                  • Oct 2012
                                                  • 668
                                                  • United States
                                                  #13
                                                  Re: Emerson TV Problem Please Help

                                                  Check this out! May be of help to you.

                                                  https://www.badcaps.net/forum/showthread.php?t=25371

                                                    Comment

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