Vestel 17PW05 badcap

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  • videomax
    New Member
    • Nov 2013
    • 5
    • Portugal
    #1

    Vestel 17PW05 badcap

    Hi,
    I've got a few power supplies with the following problem in my workshop:

    IC700 blown or power supply very noisy.

    C713 - 4n7 ceramic capacitor brocken.

    Hope it helps somebody

    regards

    Carlos
    Tags: None
    • Agent24
      I see dead caps
      • Oct 2007
      • 4951
      • New Zealand
      #2
      Re: Vestel 17PW05 badcap

      Interesting. Can you give more details? Does the capacitor go shorted or open or something else?

      Does it have any of that awful glue anywhere near it?
      "Tantalum for the brave, Solid Aluminium for the wise, Wet Electrolytic for the adventurous"
      -David VanHorn

        Comment

        • stj
          Great Sage 齊天大聖
          • Dec 2009
          • 30994
          • Albion
          #3
          Re: Vestel 17PW05 badcap

          without even seeing the board, i bet that cap is a high voltage snubber for a fet.

            Comment

            • budm
              Badcaps Legend
              • Feb 2010
              • 40746
              • USA
              #4
              Re: Vestel 17PW05 badcap

              When that ICE3BR1765 shorted out it probably dumped high voltage (>300V) to lots of pins on the IC and took out that CAP C713 50V cap (BA PIN 1 (extended Blanking & Auto-restart)).
              Attached Files
              Last edited by budm; 11-13-2014, 12:52 PM.
              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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