[R-390] Procedure for setting T401

[Barry]

Isn't there an axiom that says if an R390A is taken apart, then parts are already lost?

Thanks,
Barry - N4BUQ

----- Original Message -----
> From: "dog" <agfa at hughes.net>
> To: r-390 at mailman.qth.net
> Sent: Tuesday, July 16, 2019 12:46:03 PM
> Subject: [R-390] Procedure for setting T401
> 
> Since the voltage on E209 is so hot in my 390A (-30VCD), I've been
> looking for a procedure to set T401. I don't seem to be able to find
> anything. Any ideas? I thought maybe I'd stick a high Z probe in E209
> and look at it on the spectrum analyzer and set it for the best 17MHz
> signal. Don't know if there's any harmonics or glitches that are making
> it so high but maybe the SA would tell me something. I haven't looked at
> my other 390A, it's all apart right now, I should start putting it back
> together before I start loosing parts.
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