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Recapping Blunders: Mea Culpa

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    #1

    Recapping Blunders: Mea Culpa

    Well, I trashed my IBM Socket 478 board. Cause: Impatience. I Had removed a cap, but one leg separated from the cap and remain lodged in the board. Rather than applying some new solder to the offending pin, I stupidly pushed on the protruding pin with the tip of the iron, as it seemed to be "almost" free.

    Predictably the iron slipped and exposed a trace. Bloody thin coatings on these newer boards.

    Only previous board I wrecked was an Asus P2B-S. I was attempting the bridging of the two Socket 1 pins that allows Coppermines to be fitted to certain BX440 boards.
    Worked great on a P2B-DS v1.04, so I tried it on this board. Managed to bend one of the
    pins inside the Slot, touched another pin and POOF.

    On the other hand, I have successfully recapped maybe a dozen other boards, probably a dozen or so sound cards and some video cards so it could be worse.

    Lesson learned - be Patient at all times and don't work when you are tired or pressed for time.
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    #2
    Re: Recapping Blunders: Mea Culpa

    Have you tried the board anyway, it may hang on.

    I thought I'd killed by IBM x206 when I was trying to solder the clip for the northbridge on, it's still going (with a few more Panasonic FM too)

    Comment

      #3
      Re: Recapping Blunders: Mea Culpa

      Originally posted by bigbeark View Post

      Lesson learned - be Patient at all times and don't work when you are tired or pressed for time.
      I keep on telling that to myself but I fail to follow it..

      Comment

        #4
        Re: Recapping Blunders: Mea Culpa

        solder a wire from the two points connected by the trace if you can... it sometimes works...
        sigpic

        (Insert witty quote here)

        Comment

          #5
          Re: Recapping Blunders: Mea Culpa

          Originally posted by bigbeark View Post
          Rather than applying some new solder to the offending pin, I stupidly pushed on the protruding pin with the tip of the iron, as it seemed to be "almost" free.

          Predictably the iron slipped and exposed a trace. Bloody thin coatings on these newer boards.

          Lesson learned - be Patient at all times and don't work when you are tired or pressed for time.
          I'm glad I read this today. I decided to add some more DRAM into my computer today. I opened up the case and noticed 3 Teapo 1000uF 6.3V caps had bloated sometime since April 2010 when I last had the case open.

          The Teapos are SM 105C 2002/09 A3 (originals from the computer). Luckily, I had ordered some extra 1000uF 16V Rubycon caps and used them as replacements.

          I had 6 out of 6 clean holes or so I thought when I desoldered the old caps using the desolder pump. One hole was supertight so I added a bit more solder and it made it worse. I tried once more with adding solder and it still didn't work. I was going to apply more heat, but thought better of it since I managed to dislodge solder pads in the past and your post was fresh in my mind.

          So I got a bobby pin, heated it up, and managed to get a hole big enough for the lead to fit through.

          Sometimes the mea culpas in addition to the success stories are just as important.
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            #6
            Re: Recapping Blunders: Mea Culpa

            Originally posted by seanc View Post
            Have you tried the board anyway, it may hang on.

            I thought I'd killed by IBM x206 when I was trying to solder the clip for the northbridge on, it's still going (with a few more Panasonic FM too)
            As soon as I turn on the PSU switch the board starts itself up, both fans roaring like crazy, but no post. I suspect it's detecting overheating/short. Normal operation of this board is the fan ramps itself up when it gets hot - "fireball" Prescott CPU.

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              #7
              Re: Recapping Blunders: Mea Culpa

              Hmm, as mentioned by ratdude, can you try jumping the trace with a piece of wire? Is the trace really fine?

              I had to do this with a Gigabyte board which had been shorted by it's previous owner. Burned trace and shorted mosfet. All working now.

              Comment

                #8
                Re: Recapping Blunders: Mea Culpa

                I've had 2 boards where traces have burnt, one due to a bad USB device and one where the motherboard standoffs were wrong.

                In both cases everything worked fine after replacing the burnt track with wire.
                "Tantalum for the brave, Solid Aluminium for the wise, Wet Electrolytic for the adventurous"
                -David VanHorn

                Comment

                  #9
                  Re: Recapping Blunders: Mea Culpa

                  Originally posted by seanc View Post
                  Hmm, as mentioned by ratdude, can you try jumping the trace with a piece of wire? Is the trace really fine?

                  I had to do this with a Gigabyte board which had been shorted by it's previous owner. Burned trace and shorted mosfet. All working now.
                  The trace is REALLY fine wire. I will need a magnifier of some sort to see the joint well enough to do the repair.

                  As I don't have one of those on hand, I've left the project hanging for the moment.

                  Comment

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