Bonjour a tous: Working on SN B062 2465B, GPIB and CTT/WR options. Faults in CTT option. Affects triggering. All cables are correctly attached to options board, A5 board is not at fault, SMD leaks and

Does anyone know where I can download a copy of a 3T77A (not 3T77) manual? Also, any idea as to what could cause this kind of mold/mildew on only the axial electrolytic caps, and no other components?

I have a 485 and 7904A that are in pristine condition. Both have B (Beaverton) serial numbers. Is there any place you can find what the last serial numbers produced are for either one of these? I've h

While I am sure there are many tips that others have, I found a thin hot soldering iron pressed into the iron screw socket head will sometimes add enough heat(expansion) to get things going. I have al

Hi everyone, Element 14 youtube channel made a video that may be of interest to you guys: https://youtu.be/QkgtF6BLy2A Enjoy! :) Best regards

Hi all. I received a 7b92a recently. I checked all jumpers for correct settings. When I put it in my 7904 mainframe it shuts off the crt and graticule illumination. The trigger light on the 7b92a is c

Got a 465 that was somewhat functional but no trace with blown F1419. Went thru Groupsio file library and replaced the C1419 and that got the signal trace. Reviewed the Power supply and here are the o

B315148 Replying here because don't know M. Lynch's email David

Hello all. I have a 7A13 late version plug in that I need some knobs for. It doesn't matter to me if they are new or used, just so they are good. V/div knob 366-1123-00 Variable V/div knob 366-1082-00

Hi group, Is there a place to discuss Tek spectrum analyser topics ? I own a venerable 491. Regards Michel (F1GOC)

Does anyone know if Russians ever made a reaaaaaaaally long CRT to direct-view GHz signals? I have this notion in my mind but I have no idea if it's true or what.

From Tim P (UK) Just got back into my quest for a working 5441 - I've given up on the instrument with the 'howling CRT' and bad storage board; that one had the fault where it would fade positive in NO

Hey all, Right in the middle of working on reviving a 5S14N and PG506, my 5440 scope started losing control of the vertical position setting. It creeps up and and then down and it’s occurring on all p

Hi, I'm looking for a set of 4 of the blue Bourns pots used in the front panel of 2445, 2465 and 2475 scopes. Which ones they are isn't really important as long as they are the single-gang ones as I j

NOOB ALERT... My first post. I've seen the article here (https://bradthx.blogspot.com/2014/01/tektronix-2445b-capacitor-replacement.html) and to tell you honestly looking at the parts list off my manu

Hello-- Would it be feasible to replace the 549's HV transformer with a high-voltage DC-DC "brick" power supply such as one offered by... https://www.xppower.com/company/about# High-voltage power modu

So the CAL and to a lesser extent the ZERO switches of my 576 are presumably dirty as the trace goes walkabout if the buttons are touched. Looking at the switches on the board, it's not immediately ob

The following photos have been updated in the 551 power supply rectifiers album of the TekScopes@groups.io group. image.jpg By: John Williams <books4you4@...>

I know that this a wee bit off-topic but I also know that there are a bunch of “tinyscope” people out there who deviate from Tek products purely to experience the Lilliputian world. Found on ePay: htt

The following photos have been uploaded to the 551 power supply rectifiers album of the TekScopes@groups.io group. image.jpg By: John Williams <books4you4@...>