The manual with the schematics was at the back part of SY31-0405-3_IBM_5100_Maintenance_Information_Manual_Oct1979.pdf. PDF page 299 has the keyboard schematic/diagram.
On Thu, Jun 17, 2021 at 4:15 PM Al Kossow via cctalk <cctalk@classiccmp.org> wrote: > On 6/17/21 1:10 PM, Santo Nucifora via cctalk wrote: > > One of the 5110's I acquired > > had a full set of manuals but they were water damaged and the schematics > > manual was one solid block of paper with all pages stuck > > together > > what was the part number of that manual? > >