This is the issue https://photos.app.goo.gl/KaWtkFv4a7bBJrZt8

I didn't look at text website for service information do you have the URL or can I just type in 11403 ?

You have some conflicting terms. The 5Axx modules are 5000 series oscilloscope amplifier plugins. They are not compatible with the TM500/TM5000 series mainframes. The AM502 is a TM500 plugin. It is

Hi all, first post here. I'm looking to set up a TM 5000 series mainframe and trying to sort out the compatibility gotchas before I "pull the trigger" on one of these. My main interest is in the

Not sure exactly what your question is, but I've removed the panel/trim from several 1140x's to gain access to the crt, using the procedure in the service manual on Tek's website, and I don't recall

David You got to be vigilant at the PO, know before you go! Google and asking questions here really helps you out. If it sounds fishy go back another day or see another PO. Use a different guy/girl on

The option 7 on the DC508 increases its value as it allows it to work with the TM500 series tracking generators. If it has option 1, the oven oscillator, that also increases the value. The oven

Morning Gentleman Well I finally bit the bullet and bought a 100mghz Scope. Now I need to learn how to use it. :) Is there a oscilloscope for dummies book out there or just some quick pointers you

Hi All, I've just laid my hands on one of these for a decent price, knowing it didn't work. The owner said it worked one day and jus did tick, tick etc the next - a familiar story! When I stripped

Hi Jim, On a 7603 - and I've sorted a lot of them - the main culprits of no power-up, when you've checked all the usual suspects, is the power supply filter capacitors. To check these, you will have

hi guys, thanks for the replies. I don't have the parts necessary to build a pulser. Can I use the mainframe's pulse generator? The cable goes from a local distribution box, part underground,

To whom it may concern, now that I  can post to TekScopes, I get double copies of every message.   Very annoying!  How do I get it to stop? Thanks! Jim Sent from my Verizon, Samsung Galaxy

Thank you Hakan! That is an excellent test that will probably work on other scopes to get an idea if the CRT is good. Your contributions to Tekscopes are always good, and usually you are the only one

This knob was also used on AM502, 26A2, 5A19N, 5A22N, 7A22, 7S11 & 7S12. /Håkan

OK... just perform said test, here is the result : https://groups.io/g/TekScopes/photo/62323/0?p=Name,,,20,1,0,0 I adjusted the ISO setting of the camera so that the brightness on the pic actually

I have a SC504 scope module with a damaged Channel 1 knob skirt and I have a Tek replacement skirted knob. I can remove the small red central knob by loosening a set screw. How is the skirted knob

I have a later model 7A13 with the LED volts readout. It has the serial # 104748 and was made in Guernsey. It works fine, but the Comparison Voltage coarse knob is not the correct one. Would anyone

At the time we had a simple procedure at our Field Office to determine if the CRT should be replaced or not. I don't recall if it was an official procedure or something we came up locally. We set the

Hi Fabio, I have now completed the "STORAGE HORIZONTAL" section of the Calibration procedure. Absolutely everything checked out as well within tolerance, until I got to the item 4 "Check Jitter

I took a look at the (un-terminated) hi-rise output of the PG506 and it was pretty slow - I forget how slow. It doesn't help when the TD pulser is the "load" on there, and when I look at the time from