Fortunately, that last problem was the easiest to solve. Making matters slightly worse: I did not have any 3.5″ Mac floppy disks to test the machine’s internal high density floppy disk with. The Mac SE did come with an internal 20MB SCSI hard drive, but it was nonfunctional. I had no classic Mac software to test the computer with. With all the electrical issues sorted, I was able to power on the Mac and hear its familiar chime. A fresh hit of solder took care of that issue.
While testing voltage levels, I uncovered a rather nasty short, caused by a weak solder joint on the analog board. When we last looked at the Macintosh SE FDHD that I picked up a few months ago, I had just completed recapping its power supply, analog board and logic board. Restoring a Mac SE FDHD: Dead Drives No More
