goodies from storage: HP9810A, PDP-11/05

[Rick Bensene]

>   First is an HP9810A.  I just powered it up...Several LEDs turn on  
>immediately, but the display is blank and the keys are unresponsive.   
>Does anyone (Tony?) have any troubleshooting hints?  Are schematics  
>for this machine floating around anywhere?

Tony Duell (a frequent contributor to this list), has reverse-engineered
schematics of the 9810A.
Hopefully he'll see this thread, and respond as to how to lay hands
them.

Rick Bensene
The Old Calculator Museum
http://oldcalculatormuseum.com