It's time to restore the 11/45 - progress!

[js at cimmeri.com]

On 2/5/2015 4:47 PM, Jacob Ritorto wrote:
>    Hey everyone, making some progress here -- thanks for all the tips so far!
>
>    Most of the power regulators are fine, but both H745 regulators seem to
> be toast.  Only getting -1.2 volts; should be -15 and they squeal angrily
> when I turn the pot.  The surplus shops seem to want $200 for one, so
> that's not an option for me.
>
>    How does one repair such a beast?

What a question!    Well, I usually 
start with the DEC manuals that explain 
the power supply circuits in detail.  I 
don't have an 11/45, but my 11/34 and 
11/05 manuals explain the various PSUs well.

- J.