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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, part

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. /H?kan

OK... just perform said test, here is the result : /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 t

Yes, I do have the manual which includes schematics (and even the winding details of the power converter transformer!). I definitely want to scan the schematics when I get chance. My old office had a

Thanks a lot for this document Hakan, didn't know about this problem ! As it happens I just got a 2215 the other day, working on it as we speak... just checked, it's smack in the middle of the

Chris I think you said you had the manual as well when you get a chance perhaps you can scan the schematics and post them here or on KO4BB. It would be interesting to see how they accomplished some of

Good question, I wondered that too. I've just tried out the plugin in a mainframe for the first time and noticed two things. First, it has readout! The current and voltage per division are displayed,

I'm massively impressed with the packaging - and with the very nicely engineered adaptors.

Interesting....but how does it do X-Y mode? Dave Casey

Has anyone replaced one of the control buttons on a 1140x ? https://photos.app.goo.gl/KaWtkFv4a7bBJrZt8 Just Thought I would ask before trying to get the front off. -pete

It was with some excitement that I unpacked today's new acquisition. From a surplus dealer in Ukraine, via some helpful friends in that country, I've got my hands on the Я4С-92, the Soviet version

Hi Siggi, This time I didn't study the manual but just looked dual-trace at the waveforms of trigger and Hi Ampl. Trigger always properly terminated. But I confused the traces when saying that the