Sounds like the Bias supply may have failed, or be failing. Have you
been able to set the transmitter idle current per the manual?.
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 4-B, C-Line& TR-4/C Service Supplement CDs
<www.k4oah.com>
k...@juno.com wrote:
I recently acquired a R-4C receiver and T-4XC and the transmitter has a
problem. With power applied to it after warm up the meter on transmitter will
go negative to the left of zero and i get a carrier in the receiver at about 60
db on the same frequency on both VFO's. checked all tubes and they seem to be
OK. The carrier will change in amplitude with tuning of the final tank for max
output. Could someone give me an idea on what to do to trouble shoot it.
Rex Meier
KQ0Z
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