Re: 465B strange ripple
On Wed, Feb 24, 2021 at 02:58 AM, Siggi wrote:
First, here's a document you should probably read if you haven't already:I will read that. Thank you.
Given the equipment at hand, you ought to be able to isolate the origin ofOk... I haven’t seen anything that is supposed to be grounded and isn’t... but maybe..
I’ve already changed the 100v and the -8V filter caps. And the ones I replaced did test good.
I have no ripple on the other rails either, but I will also change the 55V cap as well...
Since the noise is stationary withI guess, yes...
If you look at the block diagram on page 10 of the document I linked,I forgot to mention that while in XY mode, I NEVER get a clean dot. It’s always a very small line about 3 mm wide.
By checking the signal on your CH1 output on the back of the scope, you'dHmmmm.... I think I did that...
BTW: Do you know for sure that the outlet the scope is plugged into has aWell... none of my 9 other scopes do that. Although I may have noticed that on my 466 as well...
I’ll have to recheck.