DEC H745 regulator common failure modes?

Ian Finder ian.finder at
Thu Nov 26 15:01:07 CST 2015

Hi folks,

I've begun repairing my PDP 11/40 and have tracked down the first major issue to the H745 (-15v) regulator.

Before I dig into it, I just wanted to see if there are any common known failure cases... Otherwise I'll just dive into troubleshooting it. :)

Thanks as always-

- Ian

Sent from my iPhone

More information about the cctech mailing list