On September 19, 2010 06:00:35 pm fons@email-addr-hidden wrote:
> On Sun, Sep 19, 2010 at 05:01:25PM -0400, Tim E. Real wrote:
> > Send it to me! I'll do it!
> > Replacing 100+ pins SM ICs by hand is something we specialized in every
> > day for many years in our repair shop.
> > When you can't afford high priced rework stations, you learn to do
> > without.
> >
> > A Sony technician taught us one method in our arsenal:
> > When soldering, just go nuts with soldering all the pins, don't worry
> > about bridges. Then you use solder wick to remove all the bridges. Then
> > do some fine touch-ups with the iron. This method worked quite well in
> > many cases. A fine dental pick or equivalent tool helps, to run in
> > between the pins as you are touching up with the iron.
>
> Good to know !
>
> When I was working at Alcatel there were some ladies in the
> electronics workshop specialised in this sort of operations -
> replacing SMD components, destroyed by the developers, on
> prototype PCBs. They could also solder cables onto 19-pin
> Lemo connectors without melting them, and perform other sorts
> of miracles. They won my eternal admiration - I get nervous
> when I have to solder an XLR-3M.
>
> Ciao,
He he. Yes, small things require a certain mechanical aptitude,
steady hands, and sometimes nerves of steel.
Oh, and a good head-mounted magnifier.
Some folks just aren't comfortable and get very nervous.
Did you ever see that famous guy who crafts extremely small scenes
inside the eye of a needle? (On YouTube). That's pressure!
Tim.
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Received on Mon Sep 20 12:15:01 2010
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