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Hello, PCB buttons can and do fail all the time. A fun example was the Vernee Apollo lite, where too tight manufacturing tolerances allowed sweat grease to accumulate. I have summed it all up in a

Sounds like you are not seeing the left side of the trace. Couple possible reasons for this, one is that the brightness or pedestal on your monitor is set too low. There are monitor test programs for

That's "MIX" - mixed mode. What it does is instead of intensifying the part of the trace to be expanded by the B timebase it simply switches to B timebase at that point of the sweep, wherever you set

Yes, that is a good way to return flexi-buttons to operation. I use Caig Caikote, which is a conductive carbon coating, applied onto the old surface. I clean the old surface with IPA first. Menahem

Greetings, Allow me to add to the comments by Ed and Shailendra regarding push button switches. I had the remote for an auto fail and drain the batteries. Exploring the problem I first determined that

On Thu, Jun 21, 2018 at 09:36 am, Ed Breya wrote: > > With all this capacitor talk, I thought I'd relate a recent experience in > patching up a consumer item. When I took the shot CRT from that AT5005

Michael A. Terrell

Hi Adrian, Thanks for your reply. So far, you are the only group member who has expressed interest. I attach photograph of the S31. You may be able to see that the input connector has been changed (by

Is the intensity set too low? Bob

Hello, everybody: I am about to test a 475 that I have acquired for my radio alignment projects, and since I am relatively new to the oscilloscopes, I wonder if I am missing something... I am trying

On 2018-06-21 12:51 PM, musicamex@... wrote: > Albert and LolPol, > > Thank you for your input. Somehow i missed this download. I found LV test points and values in section 6 of this manual.

This the the rise time now at 5mV. I could probably get it better but but my bnc cables and 50ohm terminator are not great quality. Should I keep working at it?

Hello, In principle, Menachems approach works - looks like this: https://www.instagram.com/p/BeoOIGgHRQo/?utm_source=ig_share_sheet&igshid=5k1dhm10arhr However, be careful of vibration and inductance

Hello lop pol, I've followed up this topic from the start, without having actually jumped in, hoping since the beginning that someone would ask or make remarks about two or three important things (to

Look in the Databases section of this group for manoman.sqhill.com links; there you'll find lots of Tek manuals, all with "stitched" schematics.

Hi Ken, I would be interested if nobody nearer to you pops up - bit of a drive from Eastern Anglia. Does it have its case by any chance? Mine does not and I'm trying to re-create one based on a very

Albert and LolPol, Thank you for your input. Somehow i missed this download. I found LV test points and values in section 6 of this manual. I'll report my findings this weekend when i have some time

On Thu, Jun 21, 2018 at 09:37 am, machineguy59 wrote: OUCH!! Yahoo email to groups.io lost context. So here is the message again. Menahem, Thanks for the information. I was not clear in expressing my

Menahem,Thanks for the information.? I was not clear in expressing my concern.? I will clarify my problem.? The A5 boards I have suffered severe electrolyte damage.? One of them (my current

With all this capacitor talk, I thought I'd relate a recent experience in patching up a consumer item. When I took the shot CRT from that AT5005 SA recently discussed here, to drop off at the