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Hi All, I have an old Tek Model 502 that is missing two of it's cover latches. These are the older latches that have a screw, anti-rotation washer, and plastic flat wingnut. One of them also needs a

I recently bought a FG503 at a hamfest that was in non working condition. The serial number of this unit is in the high range. The parts layout agrees with the low range parts layout. The board does

I have put this on the back burner for now, thanks again for all the help!

https://tucson.craigslist.org/ele/d/tucson-tektronix-scope-carts/7736056433.html I did not check models but it is in your backyard.

Hi Kevin, I would highly recommend that you try Craigslist for Scope carts. They come up fairly regularly and if you have an account with them you can set up alerts. Here is one (though it's not one

It's interesting that the RM564B HAS a fan. My 564B doesn't have a fan, and a check of the 564 manual doesn't show a fan, even though it's full of hollow state heat sources. I guess I should keep in

Prodding with a meter reveals that the fan is powered from a transformer winding It’s a ROTRON model.. Possibly stalled somehow and burnt out the windings ? So, looks like I need another 115V fan

A long time ago I posted a similar inquiry. One of the replies was that Rubbermaid utility carts work well as 'scope carts. I managed to find a used one locally and used it for years to hold my 575.

Hello am in Paris Have many of the great K212 carts excellent choice. These easily can be broken down to the base, arm and tray and shipped UPS, Fed Ex Gr etc. Besides epay, suggest you try 1/

My first batch of 10 sold out on eBay. Thank you to anyone/everyone who purchased a unit. I have built another 10 and renewed the listing: https://www.ebay.com/itm/266781451716 If anyone from this

I am wondering if there is anyone within a day's drive of me in the Southwest US (Arizona, S. California, Nevada, New Mexico) with some scope carts. I am looking for at least one each K213 and K217

Kicking the can down the street...there ought to be a dead external mixer or two that can be better used than just being used as a paper weight? </beg mode off ;-) >

I don't know what diagnostics are available in the early s/w but you will have to somehow determine if the problems exist in the1st or 2nd if too.

That's way off and of course not adjustable, it's a fundimental failure but sound fixable. First check the 100 MHz is really 100, which can be done from the ref out without opening anything. Then its

Thanks Keantoken, well explained. BC547 die photos https://www.eevblog.com/forum/projects/transistors-die-pictures/650/

Good afternoon, I have a Tek 492 spectrum analyzer that is way off in frequency. A 100 MHz signal shows up at 77 MHz on the display. 1000 MHz is at 908. 2500 MHz shows up at 2291. And so on. Is

I am currently working up a RM564B ?- seems to work OK except the fan doesn’t go round. It’s not jammed, it spins freely by hand, and ?the blades are not hitting anything (there is no guard or

This type connector was used by GM, Delco plus others in the 60's-70's also used for trailer lights, look at Del City Wire also. -- Jeffeelcr

The first instant of junction heating takes place in one dimension, where it is just the junction itself heating and heat is not spreading yet. Then the heat spreads in 2-3 dimensions depending on

Hey there, the 80E03 is both mechanically and electrically incompatible with the 11 Sampling scopes, even when the connector itself is the same. The 80E03 uses a derivative of TekProbe, called