Hi Folks - I have a 2465B that I have been laboring over for a couple weeks, and have made great progress on from its initial condition, which was pretty sad—flickering speckles where the display read

My tek 576 had a relay with open coil. I had one spare in my parts 576 that fixed the problem but would like to replace it. The relays are available on Ebay as Item 312629099480 Tektronix 148-0044-00

I recently bought a 465 to fix up and noticed that an aluminum can axial lead capacitor is leaking dried crap from one side. The capacitor is located on the bottom board. C1220 is the location on the

Does anyone know the name of the manufacturer and their part number for the PIN diodes used in the DC508A frequency counter? So often, Tektronix used themselves as the source and did not specifically

I have great respect for what Tek did before fully digital scopes. How can't you when every other worthy appnote has images of JW's famous 556 with damaged screen?! However, to me, Tektronix has died

I wanted to make everyone aware of the very poor reliability of certain Tek made relays. Almost every Tek made component was higher quality than industry made components. This is an exception. I think

Like everyone here I have created a problem my wife will have to deal with when I am no longer around. She has the phone number of the vintageTEK Museum on our refrigerator. Problem solved. Now that t

Well Chuck, That was my scheme when I built my reflow oven. I bought a new Black and Decker which was identical to the one she was using and offered a switch. It was rejected with the observation that

Need to get some clarification on the procedure steps in CAL06. In the 2465B Service Manual 070-6863-00 pages 5-20 thru 5-21. I have made it thru steps (a.) thru (v.). But getting unsure about step (w

Good Morning All, I have a very clean Tek 532 that has a problem I cannot solve. There is something wrong in the Low Voltage Power Supply specifically the -150V section. The symptoms are as follows: 1

Ex-USMC 2246 Mod 6 Scope 1998 warranty date. Purchased by me in 2007, been working perfectly and passed all checks and to the best of my calibration capabilities (TM500 modules) been working perfectly

Hello, I joined this list to learn a bit about tek equipment. Lots of surplus gear was coming in at the shop I work at, and I found the information here invaluable. Lots of very talented individuals g

Hi, I am trying to do some calibration work on a 2230 scope. The position control is somewhat misaligned and normally to centre the horizontal sweep the position control is not in the 12 o’clock posit

Wrapping up the TekScopes pledge drive, Michael Dunn and I are STUNNED by your generosity and all the positive comments we received. Your contributions have exceeded the $340 paid to Groups.io by almo

Hello all, I have been spending some free time 3D printing odds and ends around the shop and I came across an application which might interest some of the readers here. I have a half-full TM5006A sitt

A friend gave me this one saying it had never been used. It still had the little paper stuck on the CRT saying how to power it up if it had been off for over a month. But of course it did not work cor

Hello, I bought a Tektronix 606 off eBay. When I tested it I get this: https://imgur.com/a/cLOaOVu There's a bright spot fixed at the center. There's a movable spot, or short line pointed towards the

Hello all: My workhorse 7A26 needed rework, in 7804 mainframe. Cleaned the AC/DC/GR contacts on attn with the iso alcohol-paper strips, and exercised some scratchy controls. Poor fast transient respon

What did Tek use for EDA on their early stuff? I've seen boards on some scopes that definitely look like they were made digitally, but of course there isn't much info on early EDA anywhere online sinc

I finally got a chance to look at this unit, that had no CRT display. There was no HV. All the LV supplies are OK. After worrying about the transformer (it's the newer good kind with black silicone po