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We will shut down the stuff page at the end of the month to re-stock it, and many HP/Tek spares items as well as the FETs will disappear then. https://www.sphere.bc.ca/test/stuffday.html There is a

Yes, I meant to say 4. Thanks, Manuel

There are four caps on the 'B' A5 board that leak. -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus

Wayne, If your in the US send me a PM with your mailing address and I’ll send you the one I have. Mine isn’t a beauty queen and I’ll just put a couple of generic feet on mine. Manuel

Yes! https://w140.com/tekwiki/wiki/P510 -- Roy Thistle

Hey everyone, I took a long time to answer, busy life, etc. etc. Thank you Jim for proposing your help by the way! I was able to fix this "Load application operation failed." issue when attempting to

You can find a photograph of the early Mode Control board at the TekWiki page for 067-0912-00. You have probably been there already. Mine does not have the perfboard addition hanging on it. The

Morris, UGH that complicates things. There is a problem with R180 that is quite unique to the 284, the tunnel Diode is not much to worry about, It will lift out easy with a pair of tweesers. The main

Jeff, thank you for referring to my item on eBay. You bet I am working quite hard on a redesigned and re-laid-out RU800 which I have had to do 3 revisions of, trying to find time for it amongst my

Yes. perhaps. Yet after about a decade of watching Dave, I doubt he will ban anyone for saying something controversial. Spamming would get one banned from EEVblog... but, no opining. -- Roy Thistle

Dave, I think your last paragraph is absolutely correct, someone has posted the list of voltages needed. If memory is correct you do need 20V at the top end and for low voltages it is probably easiest

That’s a P510, an early Tek probe that was sold with the Type 531 and 535 mainframes in 1953. The cable is ordinary coax. At the introduction of Types 541 and 545, this probe was replaced by the

Yeah, it's not warm at all. It's basically right in front of the fan so it gets most of the air from it. The main problem is the 6080 directly below it which cooks it. After I added my little heat

Eric, I would expect the transformer to get at least quite warm. The explanations say eventually up to the Curie-point of the core material, but I remember still touchable outside temperatures of my

Thanks for the reply Albert. When the traces start dimming I usually shut it off and record the time. I do have two new 6CZ5's on the way. But I'm wondering, wouldn't the HV transformer get really hot

I found this probe in the drawer of a Tek Type 500/53 scope cart. It doesn't have a part number or brand on it. Any ideas? Photos here: /g/TekScopes/album?id=271763

Richard Peterson <saaber1@...> added the album Help Identifying Probe: Found this probe in the drawer of a Tek 500/53 scope cart

I haven’t looked in detail (yet), but I from what I’ve heard, the stored 2430 digital ’scope calibration is a combination of internal (i.e., push-button automatic) and external calibration.

Also... if not equivalent... how much time have you spent reading and searching TekWiki? -- Roy Thistle

the lions will.... -- Roy Thistle