Hi I would like to have some advice on a strange problem with my 7104 oscilloscope. When I power on from cold state the oscilloscope is pretty well focused with little astigmatism, during warm up it g

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

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).

Got the scope without probes, Is getting a couple of P6137 the right ones to be used as a general purpose probes? What about HF/VHF/UHF 50Ohm signals? Could I tap these with a dummy load or do I need

First time poster here. I’ve been reading many posts and learned a lot from you guys. I got a 465B from eBay and I’m having a problem with getting the trace to focus properly. Even after checking and

Dear friends, after several years I participate again in this forum about tek instruments. It's been several years since I posted here the last time. This was referring to the well-known scope 2465B.

Dear friends, after several years I participate again in this forum about tek instruments. It's been several years since I posted here the last time. This was referring to the well-known scope 2465B.

These just keep turning up in places I didn't expect, so they are now added to the stuff day page here: https://www.sphere.bc.ca/test/stuffday.html#tekfans I was also able to identify 465B and 2205 kn

From Tim P (UK) I ask here as I saw this mentioned regarding a Tek 22xx-series(?) My problem is a Philips PM3311 which popped a RIFA capacitor, with copious amounts of smoke. The PM3311 has this cap a

Hi *, I start this new thread on the new issue seen after fixing the PSU issue from now ended topic: https://groups.io/g/TekScopes/topic/79486087 ;o) Hands back on the 485and starting from some Servic

Hi, I am desperately looking for the instructions that Tek. used to attach to the P6042 probe transformer/hall assembly T1 replacement kit (050-0439-00/01). Each kit came with three selected resistors

Hello again: The continuing saga ... (see my pervious posts re CTT and vet nonlin) 1/ New U400 channel switch 155-0236-00 has fixed the CH1, 2 nonlinearity. 2/ Chuck mentioned that the CTT test fails

Steven here, New to this Group, but not new to Tektronix, or various repairs. I have and love my working Sony/Tek 335, and Sony/Tek 336 small Oscopes, may they show traces forever! I also have (4) not

Hi All, It bought a Type 284 Pulse Gen off Ebay a few weeks ago. I had planned to get it up and running so I could tune up my 5S14N sampler, which will help me fix a TG506's 1ns issue; when all of a s

Thank you one and all for your suggestions on removing the potting. Your suggestions fell into two general categories: 1) Nasty chemicals which I decided had to be avoided at all costs based on your a

I just checked the UPSP tracking info for all the tester board set shipments mailed on 2/11/2021 and find the following on 2/20/2021: 1. All but one USA shipments are delivered 2. One USA shipment to

Few things are as frustrating as when the vertical knob on a Tek scope is damaged, by cleaning (hah, you didn't know the printing washed right off, did you?) or mechanical wear or other damage. Many d

Hi Dana, The Rockland Instruments 7530A and 7530B Spectrum Analyzer plugins for Tek 7000 scopes are outstanding, and unique, Spectrum Analyzers. In the mid-1970s Rockland Instruments was a small compa

Hello everybody, I have followed this forum for a couple of months. Seems to be full of information. I have just re-capped 7603 mainframe successfully. Both vertical slots basically work (tested with

The 6DJ8 is a 6-volt version of the very expensive 8416. I assume a mod as simple as adding the appropriate resistor to the heaters. Has anyone done this before? -- Respectfully, Cliff White, W5CNW w5