On Fri, 8 Feb 2002, Ethan Dicks wrote:
> Ahhhh! Not WD-40 - it's a penetrating oil and so-so lubricant, not
> contact cleaner. It will help for a while, then the residues will
> attract more crud and you'll have to bathe it again.
>
> Places like Radio Shack used to sell contact cleaner. You might
> have to go to a stereo shop (not a discount store) to find it now,
> but it's the right thing to use.
That's very expensive for a little solvent. I use rubbing alcohol
(isopropyl alcohol), the active ingredient in most electronic solvents and
cleaners. It's available in most drug stores and is very cheap. 70% is
all right, but 91% is better. That's concentrated enough to remove all
moisture as it evaporates.
If the contacts are corroded, a SOFT pencil eraser will usually clean
them. If that doesn't work, then use 1500 grit sandpaper. It's just
rough enough to polish the surface, but don't do it often or you will
wear the surface away.
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