On Mar 20, 2008, at 4:37 PM, Tony Duell wrote:
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?
However did you guess that I've worked on this machine :-).
...
[huge pile of excellent troubleshooting information snipped]
Wow, thank you Tony! I hope to work on the 9810A within the next few
days. I'm very excited about getting it working again. I'll let you
know how it goes.
-Dave
--
Dave McGuire
Port Charlotte, FL