Panasonic TX-76PW60A

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  • cods69
    Senior Member
    • Oct 2005
    • 92

    #1

    Panasonic TX-76PW60A

    Not my personal experience! This is quoted from the latest Australian 'Silicon Chip' mag, from the 'Serviceman's Log' (which is always a great read BTW).
    I will summarize, due to this being a current story and copyrights.

    He received a near new Panny TX-76PW60A (EURO9S chassis) wide-screen for a warranty fix. Something wrong with the width/pincushion correction with some vertical lines which vanished after a few mins.
    .....long-winded comically unsuccessful fix-testing cut here......
    The serviceman eventually noticed C582 (470nF 400V) which he said looked like it had a 'small lump of varnish' on the side of this 'brown polyester' cap.
    He removed it and found it was actually a leak from a small crack in the side of the cap.

    Unfortunately, no mention of cap brands, nor what he used as a replacement.
  • PeteS in CA
    Badcaps Legend
    • Aug 2005
    • 3579
    • USA, Unsure of Planet

    #2
    Re: Panasonic TX-76PW60A

    Panasonic makes film caps, and they are coated with brown epoxy.
    PeteS in CA

    Power Supplies should be boring: No loud noises, no bright flashes, and no bad smells.
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    Comment

    • Newbie2
      Badcaps Veteran
      • Sep 2005
      • 885
      • Canada

      #3
      Re: Panasonic TX-76PW60A

      That 'small lump of varnish' on this 'brown polyester' cap could be the brown epoxy that PeteS in CA is talking about.
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      Comment

      • willawake
        Super Modulator
        • Nov 2003
        • 8457
        • Greece

        #4
        Re: Panasonic TX-76PW60A

        why would they use film caps in a recent tv?
        capacitor lab yachtmati techmati

        Comment

        • PeteS in CA
          Badcaps Legend
          • Aug 2005
          • 3579
          • USA, Unsure of Planet

          #5
          Re: Panasonic TX-76PW60A

          why would they use film caps in a recent tv?
          ??? Film caps are usually pretty good. Except for COG ceramic, the tempco and change with applied DC voltage for even X7R can exceed 50% (decrease in capacitance). Z5U and Y5V can exceed 75%.
          PeteS in CA

          Power Supplies should be boring: No loud noises, no bright flashes, and no bad smells.
          ****************************
          To kill personal responsibility, initiative or success, punish it by taxing it. To encourage irresponsibility, improvidence, dependence and failure, reward it by subsidizing it.
          ****************************

          Comment

          • kc8adu
            Super Moderator
            • Nov 2003
            • 8832
            • U.S.A!

            #6
            Re: Panasonic TX-76PW60A

            the lump may have been molten poly or mylar coming out of a crack in the epoxy dip.
            they often crack open and spill their molten guts when they fail.
            likely an s correction or yoke return cap.

            Comment

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