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Sony KDL-52NX800

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    #1

    Sony KDL-52NX800

    I have a friend coming to visit later this week from out of state. He's got an early Sonly LED Smart TV around 5 years old with the issue shown in the pictures I've attached. I didn't get a complete sets of pictures of the boards from him but just wanted some opinions on the problem. Anyone got a consensus on main, t-con, or panel? I'm thinking probably main board which is extremely expensive and almost impossible to find. The sharp t-con is also pricey but not quite as bad ($100 or so). Seems like the TV is worth spending some money on if it's appears to be fixable. Thanks in advance as always for the help!
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    #2
    Re: Sony KDL-52NX800

    Pardon the sideways pictures. Not sure what happened. They show correctly on my computer.

    Comment

      #3
      Re: Sony KDL-52NX800

      Any ideas on this? As you can see it uses a Sharp panel. I've never seen a TV with this T-con or main. It's somewhat of a high end TV.

      Comment

        #4
        Re: Sony KDL-52NX800

        Thought I'd bump this one more time in hopes that someone has seen a similar issue. He's been hanging on to the TV. Hate to tell him to trash it as I'm almost certain it's not the panel. On the other hand, I hate to have him throw money at a t-con if it may be a bad main board.

        Thanks again for any input.

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          #5
          Re: Sony KDL-52NX800

          clean and reseat all connectors/cables.... especially between the main board and tcon.

          Comment

            #6
            Re: Sony KDL-52NX800

            looks like a bad panel to me. it's not tab bonds.

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              #7
              Re: Sony KDL-52NX800

              We did remove, clean, and reset all the cables between the t-con, main board, and panel. No change.

              Comment

                #8
                Re: Sony KDL-52NX800

                Originally posted by CapLeaker View Post
                looks like a bad panel to me. it's not tab bonds.
                Thanks for the input CapLeaker. I was hoping this wasn't the case.

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                  #9
                  Re: Sony KDL-52NX800

                  You might try heating the tcon or main board with a hair dyer and see if it changes the display at all. The regularity of the pattern would seem to indicate more of a board issue than a panel problem, imo.

                  I would suggest looking thru this
                  https://www.badcaps.net/forum/showth...vertical+lines

                  as the sticky provides good information on how to go about things. My guess is a "troubled tcon".
                  Last edited by budwich; 02-08-2016, 12:59 PM.

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                    #10
                    Re: Sony KDL-52NX800

                    Originally posted by budwich View Post
                    You might try heating the tcon or main board with a hair dyer and see if it changes the display at all. The regularity of the pattern would seem to indicate more of a board issue than a panel problem, imo.

                    I would suggest looking thru this
                    https://www.badcaps.net/forum/showth...vertical+lines

                    as the sticky provides good information on how to go about things. My guess is a "troubled tcon".
                    Thanks. The T-con was my first guess if it's not the panel. I've repaired a heck of a lot of TVs but this issue was definitely new to me. I'm going to have him unhook each side of the T-con independently and see if the problem persists. If it does each with each side unhooked, I think it's worth a stab at a new T-con.

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                      #11
                      Re: Sony KDL-52NX800

                      Thought I'd follow up on this and let everyone know that it was indeed the T-con. The problem persisted with either side unhooked so I figured it was worth a shot. He had to order it from China and it was $110 but a damn nice TV for that price. He paid nothing up front for the set.

                      Comment

                        #12
                        Re: Sony KDL-52NX800

                        you got lucky! Good fix though...

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