At 11:29 AM 5/28/03 +0100, Alan B. Pearce wrote: >I have an HP 7475A plotter (GPIB interface that seems to have a temperature >based fault. I have done some digging around on search engines looking for a >circuit, but have come up blank so far. I have the service manual for the 7475A if that would help at all. Don't have a working scanner handy but could probably borrow one - or even use this a legitimate reason to purchase one . The 7475 is a marvelous machine - the first one I purchased back in the mid '80s is still going strong. I especially like the closed loop servo control system - HP managed to do an awful lot with a fairly simple micro. dwayne -- Dwayne Reid Trinity Electronics Systems Ltd Edmonton, AB, CANADA (780) 489-3199 voice (780) 487-6397 fax Celebrating 19 years of Engineering Innovation (1984 - 2003) .-. .-. .-. .-. .-. .-. .-. .-. .-. .- `-' `-' `-' `-' `-' `-' `-' `-' `-' Do NOT send unsolicited commercial email to this email address. This message neither grants consent to receive unsolicited commercial email nor is intended to solicit commercial email. -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics