Dale -
OK. So what you had was a bad ground connection, probably the shield
connection for the ANT jack, that was allowing the shield of the short
coax to 'float', and the center conductor to essentially be a short antenna.
As Richard said, there may have been signals coming from the R-4 that
were being picked up by the nearby 'antenna'. Or you may have improved
the grounding of the receiver on other circuits and bypasses.
Going through a piece of equipment and tightening all the hardware is
never a bad idea. Just don't go tightening all those loose screws in
the little metal cans on top of the chassis! :-0
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 2-C/2-NT, 4-A, 4-B, C-Line
and TR-4/C Service Supplement CDs
<www.k4oah.com>
y...@aol.com wrote:
-----Original Message-----
From: y...@aol.com <y...@aol.com>
To: k4...@mindspring.com
Sent: Sun, Jun 12, 2011 7:50 pm
Subject: R-4 birdies
Hi Garey ,and all the others who had thoughts, on my problem
The problem is solved. Put the R-4 on the bench, tightened ALL the
screws on the chassis ,re soldered all the connections between the
the ant input to the 12bz6 and hit a few others,especially grounds,
and deoxited the switch's. she's rearing to go,audio also improved.
Will change all the big caps and check the resisters in the power
supply soon. Now if I only had a better sig gen,would go for a
alignment. So no more birdies ,better audio ...life is good ,at least
for now.
thanks for all the info and help from everybody.
73's dale wt4t
_______________________________________________
Drakelist mailing list
Drakelist@zerobeat.net
http://mailman.zerobeat.net/mailman/listinfo/drakelist
