User's Guide, Installation Guide, Schematics. Anything would be appreciated. Yes I know this dates back to the late 70's, but here's hoping someone is as much of a packrat as I am.
in this section of the forum, right above your thread there is a pinned post that down the page a bit, is a list of
manuals sites ... have a look through some of those sites, you may find one that has info on your unit