@67db1784 4V is absolute maximum... so I'd expect some leeway on that. I wouldn't expect it to cause a short generally. https://mastodon.radio/system/media_attachments/files/111/068/170/049/341/331/original/80cc1870b45eb4b3.png
@d4b81373 Thanks, that's very useful. Next step will be to remove the chip and replace it, 100 pins, how hard can it be!
@67db1784 That's easy.
@d4b81373 I'm thinking Kapton tape to protect the other components, hot air to remove the chip then drag soldering to put the new one in.
@67db1784 I never bother with the kapton tape but I'm quick and I've had a lot of practice - in general it's a good idea. Drag soldering is the easiest way of doing it if you don't have a fine tip, an excellent soldering iron, steady hands and a good microscope.