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A friend of mine recapped and cleaned a failed TDS520 and everything seemed to work but after a year while activating CAL, the CPU board burned (!) around AD667. I guess a leaked electrolyte found a

A friend of mine repaired successfully (so it seemed) a TDS520 by doing all the chores. After one year from the cap replacement an acquisition error appeared and to fix it, he activated the

Thought I'd mix it up a little with this project. Today I will likely be working again on our hydraulically operated pool cover system. It has two identical motors - one runs the large roller that the

Hi, Mel (and Dallas, Jeff, and Magnus who turned me on to JB Weld - thanks, guys!). While I would like to say that JB Weld saved the day, that's not quite true. I glued the piece back on with JB Weld,

Nice work, Jerry.? I downloaded it with no issues... the color schematics are quite nice!? I also appreciated the rectifier addition.? Thanks. Phil

Long time member of Tekscopes but, for some reason, my account did not migrate to groups.io so I need to post a message to get out of the moderated box. So here I am, posting a message. Sorry for the

Thanks, let me know what you find Chris

I have uploaded to ebaman.com a revised scan of the Tektronix 575 & 175 Transistor Curve Tracer. The scan is based on my old BAMA file but has updated changes section and hi resolution color

And my apologies for getting hot under the collar. -Chuck Harris Sscandizzo@... wrote:

My apologies, Chuck. Consider the behavior corrected. -Stefan

Thanks. Had a look at my 310A and 317 and 2232 manual, no luck there. However n my 5111A manual, indeed on the second page it gives a list : B : Beaverton 1 : Guernsey, Channel Islands 2 : The UK 3 :

Interesting. Yeah if it's for IBM I guess it was made in the US, so Beaverton. Maybe the '0' was used for custom built equipment that was only sold to a particular customer and therefore didn't make

The serial number location? key is in the 2nd or 3rd page of the Instruction or Service manual. Not all manuals contain all serial number location keys. Some manuals have no serial location key at

My 310A has serial number 015467 and was made for or customized for IBM (I think this mostly meant that some special accessories were made available; mine came with a leather carrying case and a probe

Just in case anyone wonders: Every time those of you that use the groups.io website to post, post, and then see a mistake and edit your post, and submit that change, and see a mistake and edit your

Thanks Dave. So my scope is indeed SN 1239, very early unit then, and should have therefore come with UHF not BNC... or maybe the plant manager in Guernsey decided on his own to switch early to BNC

I scrapped a couple of 7603s a while ago and think I probably have the HT modules in my spares bin. Let me confirm this and I’ll contact you tomorrow. Cheers, Mel -- you can never have enough

I uploaded all of them to ko4bb.com so you'll find them there... Most are in the Tektronix directory, some may still be in the recent uploads directory. Dave

Yes, Guernsey plant serial numbers start with a 1 Dave

Hi Jim, I scrapped a couple of 7603s a while ago and still have the rear interface panels (with connectors), which you’re welcome to. I’m in Scotland, where are you? Cheers, Mel -- you can never