One other trick is "low melt solder". I've never used it myself, but it's often suggested in challenging desoldering applications.
-- Russell Senior [email protected] On Sat, May 16, 2026 at 1:08 PM King Beowulf <[email protected]> wrote: > > On 5/16/26 09:39, Ted Mittelstaedt wrote: > > Hi All, > > > > You have to use a hot air soldering station for this kind of work. While > > it's possible to use the old school method of heating up a massive chunk of > > copper with a propane torch then touching the board with it, there's no > > temperature control with that. > > > > A soldering iron tip even the most modern rework irons do not have enough > > mass, the moment it touches the board the heat is wicked away. > > > > Fortunately these are cheap nowadays. But as with all > > soldering/desoldering, skill and practice is required. Fortunately there's > > no shortage of scrap electronics out there to practice on. > > > > Ted > > > > > > I was starting to think it was a thermal mass issue. I have extensive > experience repairing/soldering a wide variety of electronics, including > $million Mass Spectrometers, but never a PCB as hefty as a GPU. I do > have some ancient PCBs to p > > I do have a nice heat gun, so I'll just need to set up a bracket/clamp > system. > > -Ed > >
