http://www.w0nta.com/Rebuilding the bandswitch.pdf http://www.k4eaa.com/bandswitch.html I've done this with conductive pen and solder . I trust the solder and question the conductive pen. Both however seem to work. It may seem at a glance to be a daunting task but it's just a thing. Stay organized and take notes and pictures so if for no other reason you can stop at any time and pick it up where you left off.