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Samsung PN43D440A5D Ver. N102 Turn On

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    #1

    Samsung PN43D440A5D Ver. N102 Turn On

    Hello Friends.

    I need you value opinion on this.

    I have a Samsung Plasma with Turn on problems.
    As soon turn on the tv, I heard couple relay clicks and never turn on.

    What I did so far.

    Standby is ok.
    Voltage Pwn on connector 3.2V, ok.
    I disconnect the cable going from Y-Sustain Board to X-Sustain Board(to try isolated problem) and the tv turn on but with no video (of course)

    Do you think the problem is in my x-sustain board?
    If yes, Do I need to replace the y-sustain board same time?

    Thanks like always
    Tags: None
    #2
    Re: Samsung PN43D440A5D Ver. N102 Turn On

    On this set I'd advise replacement of both Y-main and X-main simultaneously due to how they are chained together. Often, you only need to change the X-main, but it's sometimes possible for a bad X-main to kill the Y-main.
    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.

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      #3
      Re: Samsung PN43D440A5D Ver. N102 Turn On

      disregard, I misread your post.

      Comment

        #4
        Re: Samsung PN43D440A5D Ver. N102 Turn On

        The samsung tv's are notorious for caps to go on the power supply, resulting in just a click or two when you turn it on.

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          #5
          Re: Samsung PN43D440A5D Ver. N102 Turn On

          Doesn't happen very often with their newer sets though…
          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

            #6
            Re: Samsung PN43D440A5D Ver. N102 Turn On

            Ok.
            Like always.
            Thanks to everyone.
            I going to get both and let it know what happen.

            Comment

              #7
              Re: Samsung PN43D440A5D Ver. N102 Turn On

              Originally posted by crdz66 View Post
              Ok.
              Like always.
              Thanks to everyone.
              I going to get both and let it know what happen.
              crdz66,

              Were you able to get the x-main / y-main board? Did replacing them solve the problem?

              I have 2 of the same "Samsung PN43D440A5D Ver. N102's" that do the same thing.

              This is my first stab at fixing TV's so, yea... Before stumbing upon this forum I thought the problem was the main logic board, but decided to do some reading before just ordering the parts! You may have saved me some money!

              Hopefully you were able to get your TV working so i can just do the same thing with my two!

              Thank you
              Ken

              Comment

                #8
                Re: Samsung PN43D440A5D Ver. N102 Turn On

                Sorry for delay.

                Yes, replace both boards fix my problem.
                Good luck

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