Samsung LN46A550P3FXZA with bad caps

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  • budm
    Badcaps Legend
    • Feb 2010
    • 40746
    • USA

    #1

    Samsung LN46A550P3FXZA with bad caps

    Got this one in today.
    Attached Files
    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
  • Ltank
    Badcaps Veteran
    • Jun 2013
    • 776
    • USA

    #2
    Re: Samsung LN46A550P3FXZA with bad caps

    does the set turn on? What are the video issues? I guess it played a good amount of time 2008 untill now. They just dont make them like they used to make them. Disposable
    Society.

    Comment

    • budm
      Badcaps Legend
      • Feb 2010
      • 40746
      • USA

      #3
      Re: Samsung LN46A550P3FXZA with bad caps

      It was cycling on and off when plugged into the outlet, then it stops completely. It works fine after a new set of caps are installed.
      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

      • senz_90
        Badcaps Veteran
        • Aug 2013
        • 328
        • Indonesia

        #4
        Re: Samsung LN46A550P3FXZA with bad caps

        is that ceramic caps for HV transformer ballast? those bad too or just 2 bulged caps?

        just ridiculous question, how do you know the ceramic caps were bad? that is look good from my view.
        Last edited by senz_90; 03-03-2014, 11:51 AM.
        "There is no shortcut to be successful. No pain, no gain."

        Best Regards
        Rudi
        Thank You

        Comment

        • tom66
          EVs Rule
          • Apr 2011
          • 32560
          • UK

          #5
          Re: Samsung LN46A550P3FXZA with bad caps

          Didn't know they still were around to have bad cap issues. Nice fix.
          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

          • budm
            Badcaps Legend
            • Feb 2010
            • 40746
            • USA

            #6
            Re: Samsung LN46A550P3FXZA with bad caps

            Originally posted by senz_90
            is that ceramic caps for HV transformer ballast? those bad too or just 2 bulged caps?

            just ridiculous question, how do you know the ceramic caps were bad? that is look good from my view.
            Just two caps with bulging tops (picture #16), I replace them as a set. The two small ballast caps are fine.
            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

            • senz_90
              Badcaps Veteran
              • Aug 2013
              • 328
              • Indonesia

              #7
              Re: Samsung LN46A550P3FXZA with bad caps

              got it. thank you. replace them as a set to prevent callback and bad reputation.
              "There is no shortcut to be successful. No pain, no gain."

              Best Regards
              Rudi
              Thank You

              Comment

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