Mitchell Chesler <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Ahh! I forgot to mention that a firm slap on top of the case would
bring it back! Next issue is - why?
Thanks
- Mitch
On Jan 12, 2008, at 5:11 PM, Howard Traxler wrote:
"Howard Traxler" <[EMAIL PROTECTED]> made an utterance to the
drakelist gang
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I have the same problem with my TR-4; but only I think it's the band
pass
shift that's moving because the background noise gets a much higher
pitch.
A firm slap on the top of the case brings it back to normal.
73, Howard, WA9RYF
----- Original Message -----
From: "Mitchell Chesler" <[EMAIL PROTECTED]>
To: "Drakelist Submissions" <[EMAIL PROTECTED]>
Sent: Saturday, January 12, 2008 3:48 PM
Subject: [drakelist] TR-4 VFO jumps
:
: Mitchell Chesler <[EMAIL PROTECTED]> made an utterance to the
drakelist
gang
:
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: Hello I'm new to this forum - an old newbie: had a TR-3 as a
: teenager in 1968, and for old times sake recently acquired a TR-4
that
: I estimate was manufactured around 1967. It has nice audio and good
: output on all bands, but suffers from what I think is a dirty relay
: (scratchy intermittent noise, corrected temporarily by switching
: briefly to transmit) -- but a greater annoyance is apparent VFO
: jumping on both transmit and receive - by a few hundred Hz. This
: happens even if the rig is well warmed up.
:
: The AC-4 that powers it is old and will need to be upgraded -
probably
: with the heathkitshop board. I did notice that the bias, after being
: set a week ago, had dropped by about 15-20% and had to be reset.
:
: Searching the Drakelist didn't point me in any direction so I
thought
: I'd just ask if there is perhaps a common cause/cure for the
frequency
: jumps.
:
: Thanks es 73,
:
: Mitch Chesler NB2N
:
:
:
:
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