I pulled some RA60, R80, R81, etc. prints and manuals earlier, but left them in the basement when I came upstairs.I will bring them up tomorrow and put out a list.
Thanks, Paul On Sun, Oct 20, 2019 at 5:47 PM Josh Dersch via cctalk < cctalk@classiccmp.org> wrote: > On Fri, Oct 18, 2019 at 1:45 PM Antonio Carlini via cctalk < > cctalk@classiccmp.org> wrote: > > > On 18/10/2019 05:51, Josh Dersch via cctalk wrote: > > > > > > (I should also note that there is an R80 service manual on Bitsavers > -- I > > > misspoke (mistyped?) in my initial e-mail. It doesn't provide a lot of > > > details on the drive's operation and I was hoping the RA80 or RM80 > > manuals > > > might be more detailed...) > > > > I'm guessing you mean AA-M186B-TC "RA80 Maintenance Guide", but if not, > > that's there. > > > > (Assuming I've not mis-typed something, I seem to have a later version, > > AA-M186C-TC, but I've not scanned that). > > > > > > Someone else was looking 10 years ago: > > > > > > > > > https://alt.sys.pdp11.narkive.com/gXk9CvKT/looking-for-ra80-service-manual-ek-ora80-sv > > > Yeah, I saw that while searching as well. The service documentation that's > available for the R80/RA80 is somewhat useful but lacks detailed technical > information, it's a step above a board-swapping guide for service techs, > basically. > > I spent some time yesterday with the schematics (which, annoyingly, don't > match my revision of the boards...) and immediately discovered that the > optical sensor on the spindle wasn't working anymore -- it was definitely > operational when I first started working on it but apparently it gave up > the ghost after running for a few hours. So at minimum I need to fix that, > there may still be other faults. The sensor picks up light, but it looks > like the LED light source on the other end of it is dead. I'm going to > attempt to bodge in a replacement IR LED and see if that's good enough... > > Thanks all, > Josh > > > > > > > > > > > but seemingly with no luck. > > > > > > I think the FMPS must be on bitsavers but I hit this first: > > > > > > https://usermanual.wiki/Document/MP01286RA80Mar82.3622064137 > > > > > > > > > > > > > Antonio > > > > > > -- > > Antonio Carlini > > anto...@acarlini.com > > > > >