MOTM

I always cut the legs and use a solder sucker to remove the individual 
pins.  Then I find that going over the pads with copper braid wick 
really cleans them up nice.  Then I use a bit of acetone to clean the 
top and bottom prior to soldering in the new chips.

Dave

--- In motm@yahoogroups.com, "Phil Peery" <ppeery@o...> wrote:
>
> Thanks for the suggestions guys.  I will get my hands on the AS196, 
> and in the meantime, try Adam's "snip the legs" technique.  Since I 
> have a fair amount of 1013's and OP275's in my parts box, I feel a 
> little more comfortable about snipping them off.  Since I only have 
> a few CA3080's and LM319's, I'll use the vacumn method for them.  
> That way, if those parts check out on the breadboard, I can 
> potentially re-use them.
> 
> Thanks!
> 
> Phil
> 
> --- In motm@yahoogroups.com, "Adam Schabtach" <adam@s...> wrote:
> >
> > Besides buying a desoldering pump like John suggested (I have one 
> of the
> > smaller ones with an aluminum body--cost about $15 I think), 
> another thing
> > I've found helpful is to use a pair of small wire cutters to cut 
> all of the
> > legs of the IC near the IC itself. If you think the IC is dead 
> there's no
> > need to salvage it, and after you cut the legs you can unsolder 
> and remove
> > them one at a time rather than having to get all 14 or 16 free at 
> once. My
> > method of attach is to first cut all of the legs, then remove them 
> one at a
> > time by grabbing them from the top side with a pair of needle-
> nosed pliers
> > while melting the solder on the bottom side (obviously you need to 
> hold the
> > PCB vertically in a clamp while doing this), then go back with a 
> solder
> > sucker to remove any remaining solder. 
> > 
> > The good news is that MOTM PCBs are very high quality so you're 
> unlikely to
> > damage them while doing this, if you're reasonably careful with 
> the whole
> > operation.
> > 
> > --Adam
> >
>