[R-390] Novice Question for C-609 and others

Craig C. Heaton wd8kdg at worldnet.att.net
Thu Mar 1 12:38:20 EST 2007


Barry,

Oh, the silver mica's. Knock on wood, I haven't been down that road YET!
This issue will grow as these boatanchors age. Silver migrates as time goes
on until the cap value changes enough or shorts. I did check that one on an
old Motorola, it was still good. Bad solder joints kept me searching in that
region of the radio.

Another reason to keep my Sprague TO-6A.

Craig,

-----Original Message-----
From: n4buq at knology.net [mailto:n4buq at knology.net]
Sent: Thursday, March 01, 2007 9:41 AM
To: Craig C. Heaton; John Kopke; R-390 at mailman.qth.net
Subject: RE: [R-390] Novice Question for C-609 and others


C327 is the cap across the transformer for the 1st crystal oscillator.
Chuck recommends checking/replacing it if the oscillator output is low.

Barry - N4BUQ





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