This is probably a futile request, but I'm looking for an HV multiplier for an SC502 that I'm attempting to bring back to life. The original Tek part 152-0634-00 would be preferred, but probably unobt

The following photos have been updated in the P6042 album of the TekScopes@groups.io group. 20210226_141836.jpg By: snapdiode <snapdiode@...>

Hi, I have bought a 7S14 with bad batteries. Hi have replaced batteries for leds, but IR, three in series, 0,9 v for led. https://groups.io/g/TekScopes/album?id=131745 How works delayed time base, is

The recent discussion about tunnel diodes got me wondering about when they were being designed into Tek instruments. Questions: - introduction date and model of the first Tek instrument with tunnel di

For people in the Seattle / Puget Sound area, this person has several vintage Tek scopes still for sale. Quite a few of them are 500-series, and a couple have carts, so these items are for local picku

While waiting for my Schottky diodes to repair my S-1 (and possibly my S-2), I did some searching for currently available substitutes. The late, great Bob Pease once wrote: "One "diode" that does turn

Hey y'all, After the talk about grounding and X caps, etc, I figured I'd take a look at the 465B power supply schematic. To my surprise, it's a linear supply, no switching there and hence no noise sup

Hi guys, I was checking my 485 against calibration 1kHz and 1MHz signals. - 1kHz is nicely displayed by the scope. - 1Mhz is not giving me a "perfect" square wave. I hooked up my cheap FY32124S functi

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

Hello I am interested in refurbishing a Tek 7854 for myself. Is the board and overlay by Holger Lubben available for purchase? Are there certain serial number machines to which this board applies? Are

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

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

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

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