I use Wayne's techniques, and usually in that order. Surrender is not an
option.
Then I remember a trick I've known since my first encounter with PCs and
solder wick. Reflow the joint with fresh solder. Wick that away. It
usually leaves a nice clean hole. Sometimes, I reflow the joint more
than once being careful not to overheat the area.
If it isn't clean enough to insert the new component, use a stainless
steel needle to gently poke through the hole. Don't forget there may be
a delicate via that will come out with too much force.
I use an upholstery needle that is about 10" long. It keeps your fingers
out of the way so you can see what you're doing. And it doesn't get lost
on the bench as easily as small needles. To aid that, I slipped a piece
of flourescent lime parachute cord over the non-business end to make it
look more like a tool with a handle.
Eric
KE6US
On 2/20/2016 9:01 AM, Wayne Burdick wrote:
For further tips, some of which are not described in the literature, see:
http://www.qsotoday.com/n6kr-desolder-primer.html
Wayne
N6KR
...[I] get the distinct feeling that
unsoldering really is the last thing you want to be involved in....
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