All domestic USA TM500 tester board sets have been delivered. All but three international shipments have been delivered. Deliveries of one set each to UK, France and Germany are still pending, though

The following photos have been uploaded to the Sampling with 3S2 album of the TekScopes@groups.io group. 0310211714-00.jpg 0310211717-00.jpg By: Charles <charlesmorris800@...>

Hello All I have a 7704A with 2 x timebase: 7B53 and 7B50 The 7B50 has developed a fault suddenly and the screen is now all lighting as green and cannot see the trace anymore when using this timebase

One of my 561's has a severely double-peaking CRT and it's not that bright. Voltages are in spec. It's probably not worth locating and buying a new CRT (especially if the USPS is going to handle the p

Hi all, I managed to shot one channel of my SC502 when repairing an old TV set. It seems the victim is a dual FET in the input differential amplifier with TEK part number 151-1031-00. To confirm its i

Hi, everyone. I've been working on a Tektronix 606A XY Display but the unit resists all my repair attempts. So, I'm reaching out to this group for suggestions and assistance. I've documented my proble

I have a type 284 that I am working on again to see if I can’t get the td pulse side working again. Where I am at now is the last time I was in the pulser I was able to confirm that D180 is good on a

Is it possible to upgrade a 370A to 370B by changing the firmware? (except from floppy drive) Any information welcome... thanks, Fred

Hi all, I was starting to check and calibrate my 465B which I haven’t used in a very long time, when I noticed that channel 1 behaved very oddly on some settings (mainly but not only .1 and .2 V/DIV).

Applying special effects to video using analog circuitry, no digital processors required David Sieg - Introduction to the scanimate part 1 https://www.youtube.com/watch?v=UHjkMThH0aE

Hello, I've read this group off and on for several years. Finally joined. I am a BSEE of ~30yrs and have used Tek gear since technician school in the mid 80s. My first scope I owned is a 1956 type 531

Thanks to all for the helpful sweep mod data to make the 3L5 run, it was just what I needed. Now, what I could really use is a test plug in to check the 561/564 frame and power supplies. is there such

While searching Ebay for a GR874 splitter tee, I came across this listing: https://www.ebay.com/itm/Lot-of-4-Tektronix-017-054-017-052-With-General-Radio-GR-874-Connectors/362763553704 I think these a

In 2017, my 547 with Bill Schell HV transformer (installed around 2000) was working. It has sat unused in a dry basement since then. Today, in March 2021, that transformer exhibits the same thermal ru

When I bought my 3S2 sampling plug-in, it came with a 012-0124-00 Sampling Head Extender (3 ft). Thought that was a nice bonus. Unfortunately some genius seems to have removed the push-on coax connect

Hi all, I know this is a common problem, and have seen a nice description here: https://forum.tek.com/viewtopic.php?f=568&t=138253&sid=c827508d3401e2cd90eb52f42415517a In his fix he replaced some of t

https://www.ebay.com/itm/CS-TEKTRONIX-TYPE-1A2-DUAL-TRACE-PLUG-IN-UNIT-TP714/193010214887 This thing looks like it went through a black hole and came back out a few times.

I bought some cheesy no brand keys and they're useless. The 0.050 (1/20") key just sort of cams around inside the set screw. What brands do you recommend?

On 2021-03-07 7:03 a.m., Dave Daniel wrote: > Someone should snap these up. $89 is a good price. > Someone did. (Not me) I wonder if they are all scanned and online? (I know a handful are) --Toby > Da

Just want to bring this to your attention: https://www.ebay.com/itm/Group-of-14-TEKTRONIX-Electronics-Handbooks-1960s-1970s-Vintage-Electronics/313430432838 (Not affiliated!) Seems to be a real bargai