[Elecraft] KSB2 Module - board pad

Sat Aug 10 00:02:00 2002

Further testimony to the quality of Elecraft PCBs.  Not that you can't
damage them, but they are very robust and can stand a lot of abuse.

73,
Ed - W0YK

> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of Tom Buchanan
> Sent: Friday, August 09, 2002 7:20 PM
> To: [email protected]; Timothy A. Raymer; Ed Tanton; Tom Hammond
> N�SS
> Subject: Re: [Elecraft] KSB2 Module - board pad
>
>
> Tim, Ed, and Tom
>
> This was my first post to the list and I appreciate the quick response and
> helpful information.  I have just returned from the workbench and
> I am happy
> to say that it was flux on top of the pads.  Although the pads appeared to
> be gone they were there under a very thin layer of flux.  All day
> I thought
> about why did I mess up the pads?  It was a relief to see them
> still there.
>
> 73,
> Tom  K2 #2688
> KG4KGY
>
> ----- Original Message -----
> From: "Timothy A. Raymer" <[email protected]>
> To: "Tom Buchanan" <[email protected]>; <[email protected]>
> Sent: Friday, August 09, 2002 9:00 AM
> Subject: Re: [Elecraft] KSB2 Module - board pad
>
>
> > Tom,
> >
> > One thing to verify.  Many times when doing rework, I have thought I did
> > the same thing, only to find out that the solder around the
> component lead
> > came off, and the pad was intact but covered in flux to make it
> look like
> I
> > ripped the pad off. Hopefully this is the case for you.  You
> can check by
> > gently scraping with a dental tool, and looking under a magnifying glass
> at
> > the area.  If the pads did come off, the board underneath will be green
> > fiberglass.
> >
> > If the pads did come off, Tom Hammond's instructions are the way to go,
> > unless some of our fellow listees come up with something better.
> >
> > The only thing I would add to Tom's instructions is that you need to be
> > cautious of the small sleve that is formed when the hole is plated
> > through.  This may still be in the hole, or may have come loose with the
> > pad.  You will want to be cautious and watch that it does not work loose
> > while you are reworking the connections, and short out across stuff.
> >
> > Good luck!
> >
> > At 23:58 08/08/2002 -0500, Tom Buchanan wrote:
> >
> > >While working on the SSB module I realized I had put C23 (an
> electrolytic
> > >capacitor) in wrong.  As I removed it the pads on the
> component side came
> > >out with the capacitor.
> >
> > Timothy A. Raymer               <[email protected]>
> > Missouri Department of Health   <[email protected]>
> > and Senior Services
> >
> >
>
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