[PLUG] modifying repairing GPU PCB

[Russell Senior]

One other trick is "low melt solder". I've never used it myself, but
it's often suggested in challenging desoldering applications.

-- 
Russell Senior
russell at personaltelco.net

On Sat, May 16, 2026 at 1:08 PM King Beowulf
<kingbeowulf at linuxgalaxy.org> 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
>
>