Test Equipment Anonymous

This should make tggzzz's day.

I have two 485's plus a parts mule. So why not have a third? Facebook marketplace find. It's dirty but complete. Not even a broken knob. And of course it's going to get my usual due diligence. But not today. It's the 4th of July and we celebrate our independence from you stinkin Brits. Later today we will be going to a cookout of hot dogs and burgers and then tonight celebrate with our own fireworks. (Illegal in New York State without the proper license but a half hour away at the Pennsylvania state line is a huge fireworks store)

All my project finds lately have been Facebook Marketplace finds. Prices are reasonable or even dirt cheap....unlike Ebay.

Am I imagining things or does it appear that this 485 might have a blue phosphor CRT?

Blue is good.

C911 and other beads on that rail aren't (or soon won't be) good.

tggzzz wrote: ↑Fri Jul 04, 2025 4:54 pm Blue is good.

C911 and other beads on that rail aren't (or soon won't be) good.

That and at least 2 dozen other bloody tants.

MED6753 wrote: ↑Fri Jul 04, 2025 5:52 pm

tggzzz wrote: ↑Fri Jul 04, 2025 4:54 pm Blue is good.

C911 and other beads on that rail aren't (or soon won't be) good.

That and at least 2 dozen other bloody tants.

That half dozen are difficult to find on the boards and even scattered across several schematics, and are 15V on a 13V rail.

The main PSU is easy by comparison!