1 bit of ASM advice needed...

[Tony Clark]

> One thing that always seems to plague me, even when I plan for it, is
> the disturbance caused by solder flux.

   Gene, please explain what problems you are having due to flux 
residue!  What kind of solder/flux do you use?  We use Kester 63/37 with 
flux type "44".  Stock standard solder as far as I can tell.  In all my 
years here at my company, we have _never_ cleaned a single board and have 
never had a single board fail or behave strangely due to flux!  Practically 
every occurance of board failure that I've run across (remember we're 
moderately low tech here) can be traced down to the following problems:

 1) Wrong components installed
 2) Bad solder joints (specifically cold solder joints)
 3) Broken or shorted traces (manufacturer's defects)
 4) Faulty components

   Most synth circuits that I've seen aren't so sensitive that a 
stable non-conductive flux is going to cause to majorly fail as was 
described earlier.  Granted, I don't know what kind of solder was being 
used so it's hard for me to imagine what the real culprit is.  So I'd 
certainly like to hear from various DIY'ers to see what kinds of 
solder/flux is being used.  Then I'll know what to stay away from...

   BTW, this is something that would really be a nice addition to 
Archive's soldering page.  So I hope to get some good responses to this 
post!

   Tony

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I can't drive (my Moog) 55!        |     The E-Music DIY Archive
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Tony Clark -- clark at andrews.edu    | aupe.phys.andrews.edu/diy_archive
http://aupe.phys.andrews.edu/~clark|     Contributions welcomed!
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