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Hi Folks, ? ?Thanks for all the suggestions and responses regarding my questions about FrostFest about a month ago. ?I figured I'd give a brief update now that I am getting caught up. ? I went

My initial was correct as far as expected chemistry KOH and NaOH being relatively equivalent for the purposes of what I was trying to convey. My subsequent Opps was in error so therefore this is..

Tis/did. Thank you Rob

Yes, the KOH is very alkaline - but not very corrosive to copper unless it allows electrolysis current to flow when the circuit is active. I'd recommend neutralization with a dilute acid only if you

Hi. Do a search about 'Frog Lube'. I believe Wintergreen is used in it. It was developed for weapons use by a SEAL. It works very well on everything. Usual disclaimers apply...... ron

You are precisely correct. Yes, KOH is what they use. Please excuse the brain fart. Still, very basic. Regards

Egge, That would be great. I appreciate it very much. Thanks! There is no hurry, of course. DaveD

There are two diodes off the +87, one to U800 and one to U950. Both devices are known to have issues. You might just lift one end of each diode and see if the 87 volts comes up. That will isolate

Hi Dave, Oke you win. Because I have three original Extender Cables I haven't figured it out in the past. I will do this a.s.a.p. Please give me a moment (or two). Egge Siert

Update: I traced the issue to a bad ENable signal on the preamps which turned out to be a bad contact on the ribbon cable connector from the Processor board. I must have bumped the ribbon cable

After looking at the TM506 manual and the Rear Interface Databook, I am a little confused about the TM500 extender cable construction. The cable is clearly made up using 17 larger wires and 34 smaller

Care should be taken when using 100% solution of Oil of Wintergreen as it is toxic and it can enter the body through skin. A quick web search will turn up much toxicity data. Here is one instance from

It is on the Ebaman site, but not where one would expect to find it. Here is a direct URL: http://www.ebaman.com/index.php/remository/func-startdown/21634/ . Cheers, Dave

only non residue (or very low residue) spray cleaners should be used on high frequency components! WD40 leaves a lot of residue, even if you don't see it.

I've had good luck on cruddy BNC's with Radio Shack spray "tuner" cleaner. I'll bet WD-40 would work too. You can buy pipe cleaners that have some stiffer bristles embedded in the fluffy fabric. They

I've searched ebaman for this - but draw a blank for the p/no or extender as search terms. Craig

Hi Dave, Good point. I accidentally switched the last two. It is indeed 34/28 AWG. Egge Siert

The wire size specification is very interesting (multiple gauges and conductor counts in a single flat cable), so I went poking around and found a reasonably good photo of the extender assembly at

Howdy Rob, ? On the OT subject of electropolishing (steel in my case) I came across these two links: http://bbs.homeshopmachinist.net/archive/index.php/t-38026.html

Hi Dennis, Very nice this one of a kind. But the remark about a nightmare to build I cannot follow. In that era (till 1972) Tektronix also build the Type 556 (Dual Beam/Gun, Hybrid Design). I think a