[Elecraft] K3 - Erratic receive

Bill Johnson k9yeq at live.com
Wed Nov 29 15:28:12 EST 2023


Pete,  have  the front panel pins corroded?  There is an upgrade available.

Bill
K9YEQ
________________________________
From: elecraft-bounces at mailman.qth.net <elecraft-bounces at mailman.qth.net> on behalf of Pete Smith N4ZR <pete.n4zr at gmail.com>
Sent: Wednesday, November 29, 2023 1:11:14 PM
To: Elecraft List <elecraft at mailman.qth.net>
Subject: [Elecraft] K3 - Erratic receive

My 2400-serial number K3 has begun to have a sporadic receive problem,
which has gotten much worse recently.  It's really weird.

What happens is this - the receiver sporadically loses most of its audio
output level, until I move the AF pot a couple of degrees either way, at
which point it immediately restores the audio.  Often, but not always,
this occurs right after a transmission (on CW), so I was initially
suspecting a failing relay, but the way it responds to a minute change
in the AF level setting makes me think something subtler.  Any ideas?

--
73, Pete N4ZR
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