Repair tip - What to look for on corroded through-hole PCBs - YouTube
Corroded PCB repair
Cheap Alternative Solvents For PCB Cleaning | Hackaday
I cleaned some AA battery corrosion from some old walkie-talkies with some vinegar and cleaned it up with some 91% isopropyl alcohol. And now this white residue is appearing after a few
PCB Corrosion and How to Prevent It - Vinatronic inc.
PCB solder pad repair & corrosion clean up - The epoxy method - YouTube
How to Clean Circuit Board Corrosion - Printed Circuit Board Manufacturing & PCB Assembly - RayMing