Thanks Vince. I must be blind, as the moment I hit the send button I
saw the cmos8 subdirectory...
Bitsavers:
dec/pdp8/cmos8/MP00900_VT278_may81.pdf VT278 Maintenance Drawings (May
1981)
dec/pdp8/cmos8/MP01237_278sys_jun81.pdf 278 System Maintenance Drawings
(Jun 1981)
Vince