desoldering problems and technique (and amiga 2000 mod)
brianlanning at gmail.com
Sun Jan 3 18:57:10 CST 2010
On Sun, Jan 3, 2010 at 6:46 PM, Dan Roganti <ragooman at comcast.net> wrote:
> What I do is add extra heat on the opposite side using an extra pencil tip
> solder iron , hold the board vertically[or use a vise], it helps control the
> action this way, and preheat the other side with the desolder iron [with the
> bulb squeezed tightly] for several seconds and then release. This also helps
> with the stubborn power pins on any DIP package.
In this case, there's plastic in the way on the component side.
Adding heat did the trick though. I went out into the garage and
grabbed my propane torch (1 quart bottle size). I used it to heat the
tip of the desoldering iron. That made the process go much faster
since the solder melted instantly. Then when I tried to pull out the
part, I heated the solder side of the board. That let the part fall
out. Works great when you don't care about ruining the circuit board.
The 16-bit part of the isa connector was attached to the 8-bit part.
I used a bandsaw to cut through the connectors and free the half I
Now it's time to solder the isa connectors to the 2000 motherboard.
It's the scary part for me. :-)
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