Same thing on the filter selector switch. Not using the radio will
usually have a switch issue. A bit od deoxit will resolve thAt issue.
Good luck. The third mixer did adequately address the third mixer
prob. Drake had 3 or 4 designs and Sherwood. Solved it all.
A clean and functioning Sherwood receiver is a wonder. Still use mine
Sent from my iPhone
David Assaf, III
On Jul 31, 2010, at 9:48 AM, Robert Ladden wrote:
I had this problem when a crystal filter on the back was not making
a good connection with one of the pins. Wiggle each filter. The
static crashes would occur out of nowhere and last a few seconds.
Took me weeks to find it.
73,
Bob WW3QB
--- On Sat, 7/31/10, K4GM- George wrote:
From: K4GM- George
Subject: [Drakelist] R4C static after Sherwood 3d mixer mod
To: drakelist@zerobeat.net
Date: Saturday, July 31, 2010, 8:06 AM
I have obtained an R4C with many of
the Sherwood mods installed including the solid state 3d
mixer which is supposed to eliminate the dreaded frying
crackle. Unfortunately occasionally I hear
a bit of static sounding to me like what a brief solar flare
might sound. It is not really a hiss but more like a strong
static crash. It is definitely not simply QRN!
It is infrequent and I can still copy over it. Before
I open it up and start reviewing the wiring on the mixer
mod, has anyone else had experience with this type of
problem? Is there a known culprit such as one of the
tubes going bad?? Any and all suggestions appreciated.
George K4GM
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