HP86B/HP85 PSU testing - where to start?

[Lyle Bickley]

On Monday 05 December 2005 16:51, listmailgoeshere at gmail.com wrote:
> Hi list,
>
> You may remember the big stack of HP85s/HP86Bs I pulled from a
> dumpster a few months ago.
>
> They've been stored away safely since then, and now I'd like to get
> started testing them so that I can get them sold. Tony recommended
> running the power supplies on a dummy load to make sure that none of
> them are duds. I have a handy bag of Big Resistors that I can make
> dummy loads out of, however, (in an 86B at least, I've not been into
> the 85s yet) there's a 10-conductor cable coming out of the PSU and
> I've no idea what sort of load it might want to see and on which pins.

Get the service manuals, etc. off of the DVD produced by "The Museum of HP 
Calculators":

http://www.hpmuseum.org/

There's lots of wonderful infomation on options, Journal articles, etc. on the 
DVD.

Cheers,
Lyle
-- 
Lyle Bickley
Bickley Consulting West Inc.
Mountain View, CA
http://bickleywest.com

"Black holes are where God is dividing by zero"