17 May
2010
17 May
'10
9:49 a.m.
--- On Mon, 5/17/10, Mark Tapley <mtapley at swri.edu> wrote:
1) Is there a preferred solvent
Use isopropyl alcohol to clean up the goo. Remove the caps and clean under them before
replacing.
2) If (sigh. When) I have to pull those things off, I
will
need a hot-air soldering station, correct?
No - you can do it easily with a standard pencil iron. I've done a few SE-30's
with no problems.
3) How do I get replacements, and how do I slap those
back
down on the board? Is the code on the top all I need to
order more?
You can replace them with any equivilent capacitor. You just need the proper capacity
(microfarads, or uf), and voltage rating. Ideally, you'd replace them with surface
mount parts of the same size, but I've done it with regular through-hole leaded caps
before, just trim both leads to the same length, bend out the bottoms 90 degrees into
little "feet", and solder them down.
Replacing these caps is not hard. Just heat the joint with the iron and gently lift that
side of the cap up, repeat on the other side. Clean around and under the cap with
isopropyl. Tin the pads on the board and solder on a replacement (noting the polarity).
-Ian