Re: Tek 464 CRT tube presenting "double-peaking" - Is rejuvenation recommended
Thanks for sharing your "shocking" story too!
From a perspective, it's good that you were on an aluminum ladder...
With 1000V on hundreds of uF, would this jig be on your bench instead, and
would have you done
anything as stupid as I did (your hands instead of your finger)... and we
wouldn't be having this conversation!
Falling from the ladder assured you didn't get stuck to the thing!
More comments from me next to your last replies...
2016-10-14 22:52 GMT-03:00 David @DWH [TekScopes] <
I do not think anything exotic is required. Or at least nothingIt's the last week countdown for the transformer...
My Brother in Law is coming down to Brazil next Saturday.
Meanwhile, I am putting all the H.V. components back after proper cleaning
of H.V. dust and replacement of most carbon compound resistors by modern
H.V. grade film resistors.
Capacitors have all tested Good under 3.2kV and heat gun so, I will keep
Next in line is performing the storage calibrations and then start some
plan for the
I do not have any experience with this so I made the suggestion beforeI understand your change of mind regarding the possible (in)effectiveness in
achieving any useful rejuvenation using the scope's own bias but you know
I think I`ll try it anyway!
It's easy to implement (a variable heater supply) and at the very least I
to be able to assess if there's anything to be gained with going further.
If by just raising the heater I can see improvements in Focus / Focus
then I will be more even more driven to take the next steps.
Whatever the outcome of the test, I don't plan to keep the heater over
Oh, that is a good call. I missed those parts marked on the schematicI`m glad that I`m being able to bring some contribution...After all, it's
and still, you're the one usually coming with the ideas!
I have a similar story also involving a flashlamp power supply.
When I was about the same age and in high school, I picked up a small
I got the capacitors from the same place, Orvac Electronics on
So the whole thing worked and I was adjusting its position up in theOooouch!
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