Re: HP calibration resistor out of spec

Hello Michael,


I wonder if the trick would also work with the California sun. See,
yours appears over the ocean but ours disappears over the ocean. But I
don't want to hose off HP equipment ;-)

Repairing this 4191 is a pain (mostly on my lower back). Today I have
the "pleasure" to take apart one of the samplers because that's where
things look iffy. And I don't have an 18GHz scope as they recommend.
Time to improvise.

I removed the case or covers before cleaning them. It also worked on
some old Burroughs minicomputer cabinets on wheels that I cleaned up to
use as tool cabinets.


A friend in Europe did the unimaginable: He bought an old commercial grade communications receiver for a song at some flea market. It worked but was outright filthy. He put the whole thing in the dishwasher (!) and it came out almost like knew, not counting the scratches it already had. He let it dry out really good and it still worked.

Now I would never do that.

Regards, Joerg

http://www.analogconsultants.com
.

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