PDP-11/10 repair started

william degnan billdegnan at gmail.com
Mon Oct 5 15:23:23 CDT 2015

good news as far as power supply goes.

On Mon, Oct 5, 2015 at 4:02 PM, Henk Gooijen <henk.gooijen at hotmail.com>

> -----Oorspronkelijk bericht----- From: william degnan Sent: Monday,
> October 05, 2015 8:59 PM To: General Discussion: On-Topic and Off-Topic
> Posts Subject: Re: PDP-11/10 repair started
> What are the DC LO and AC LO values off the backplane?  Do they change when
> you insert the CPU card.  (one at a time).
> --
> Bill
> vintagecomputer.net
> =========
> I measured AC LO and DC LO with a scope while both CPU boards are in
> the backplane. Both measured 4.6 V, there was a ripple of 130 mV
> (looked like a sawtooth signal). I did not see spikes.
> - Henk


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