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Samsung UN65JS9500 No Power On

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    Samsung UN65JS9500 No Power On

    I was given this Samsung 65 inch that was around $5000 new
    I found little to none service information it but managed to find the problem
    as shown in the image

    I had standby and B13 voltages with no fuses blown, so it through me
    for a while.

    I now have a $2.39 (top of the line) TV and just wanted to pass it on
    Attached Files

    #2
    Re: Samsung UN65JS9500 No Power On

    I have the same TV but when my PS shorted it took out all kinds of stuff including the fuse. Wish I had your luck!... and thanks for info.

    Comment


      #3
      Re: Samsung UN65JS9500 No Power On

      I have the 8500, no issues though.

      Comment


        #4
        Re: Samsung UN65JS9500 No Power On

        >Sprocket. Great find. Glad it was simple. Wish I had your luck with a UN48J5000 I was given. I solved the backlight arcing issue, now facing vertical, colored bars when it lights. My first time to dive into one of these. It HAS been educational and partially successful. Now I'm stuck trying to figure out if it's main or t-con or LCD drivers or panel or some combination therein.

        Rats.......

        Comment


          #5
          Re: Samsung UN65JS9500 No Power On

          Same model.
          Same fault.
          Same failed MOSFET.

          Part price went up to $2.47 though

          Thanks for the heads up.

          Comment


            #6
            Re: Samsung UN65JS9500 No Power On

            Good job.

            Comment


              #7
              Re: Samsung UN65JS9500 No Power On

              May I ask, where did you get the part? I've looked and cannot locate. Thank you in advance.

              Comment


                #8
                Re: Samsung UN65JS9500 No Power On

                Originally posted by sprocket View Post
                i was given this samsung 65 inch that was around $5000 new
                i found little to none service information it but managed to find the problem
                as shown in the image

                i had standby and b13 voltages with no fuses blown, so it through me
                for a while.

                I now have a $2.39 (top of the line) tv and just wanted to pass it on
                thanks u were right on target

                Comment


                  #9
                  Re: Samsung UN65JS9500 No Power On

                  Thanks you were right on target

                  Comment


                    #10
                    Re: Samsung UN65JS9500 No Power On

                    How did everyone determine it was this specific mosfet? Remove it and hope you got the right one?

                    Comment


                      #11
                      Re: Samsung UN65JS9500 No Power On

                      You check for short circuit, fuse is blown due to over current so you look for shorted out power device.
                      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

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