I bought this scope earlier this summer as new old stock, never powered on. Due to covid illness I never opened it until a week ago. The scope powered on ,but the trace only covered about 2/3s of the

I have used Tektronix scopes since the 60s. They have always been the gold standard, at least as far as I am concerned. Now my old Tek scopes, I have 4, are getting old and keep requiring service. The

I have an 492BP, and a GPIB to USB National Instruments. Can I use the HP 7470A plotter program to save screens? I tried and I get error borad GPIB0 not found.

Kurt Rosenfeld has posted the entire line printer listing (454 pages) of the 1982 source code version 1.02 for the 7854. It's an early release but it reveals some interesting things.

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

I broke one of the 1/8" shafts that goes from the Front Panel to the Variable Attenuator Pot in one of the Vertical Amplifiers. I removed the Outer Case and the cover on the Vertical Attenuator and ca

Hello group. I have a 2205-40 that I use to repair tube amplifiers and other simple audio stuff. Everything works perfectly on the scope except for the SGL SWP trigger. I haven't yet opened up the sco

I feel like this has been discussed before, but I cannot find the thread now. Does anyone know of a solution for the 7104 readout not displaying except in "pulsed" mode when slaved to the gate (also w

I have a dead 2782 spectrum analyzer. I had a wierd screen and was looking around the video stuff. When I tilted it on it's side and it shut off and won't power up anymore.

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

I bought a very inexpensive 7623A on the auction site and it just arrived. The aluminum cover on the back was dented in, and there was some damage to the low voltage regulator board (the fuse was shat

Down the rabbit hole again... of unobtainium tunnel diodes, that is. I couldn't get my "new" 3T77A to trigger at all. I'm actually not sure if the 3S2/3T77A/561A combo allows internal triggering or no

Hello all, I was thinking about this and this why these Simpsons are important to me. When I joined the AF I became a Ground Radio Serviceman. One the instruments that I learned on was a Simpson 260.

Running an up-hacked TDS3014B, and am seeing small amount of what I'll call "ripple" on the top of the calibrator signal (i.e. the 5V part of the signal - the 0V end is relatively stable by comparison

Sometime ago I bought a sealed copy of this Tek software: WSTRO & WSTRU WaveStar Software for Oscilloscopes, WSTRM WaveStar Software for Meters. The label on the back says v2.4 Tek part number 020-235

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 wrote a few weeks ago about no Horizontal trace on my TEK465. In the meantime I have replaced bad caps and transistors to the point where I have a sweep signal going to one of the CRT grids. I do no

That's the hybrid containing the six microscopic Schottky diodes for an S-4 sampling head. Is there any source for a replacement, or is there someone who has the tools to replace individual diodes? Go

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

Dear Forum, I have an old Tek TLA700 Logic Analyzer complete with software disks: Application V 3.2 - 063-3022-04 ( 2 x CDRom ) Controller BIOS 1.00.14 for TLA704/711 - 063-2895-02 (1.44 Floppy) W98 B