I don't know what vinegar you're in the habit of using but white wine vinegar (mostly with a toothbrush) was very effective for a lot of the corrosion - within minutes, and the minor corrosion on some of the RAM within seconds.

I also noticed weird, minor burnt-looking marks around some of the holes in the small RAM SIMMs. I don't know if it's clear in the picture.

Sadly I broke off C12 and pad. Otherwise, I'm going to test it with all the other original components, I think. The analog board looks good as does the CRT. I powered it on without the logic board and everything sounded fine