Michael,
C13 is the Transmit Offset capacitor adjustment. It is quite possible
that there was a bit of oxidation between the rotor and the fixed plate
which was cleared by rotating the trimmer.
73,
Don W3FPR
On 2/27/2016 11:03 PM, [email protected] wrote:
Well it is finally fixed. When I went to listen to the signal on my
K3 I noticed the frequency was off around 500 Hz or so. Tried to
adjust the sidetone pitch and nothing happened - test mode audio was
weak and frequency would not change with C13.
I moved C13 back and forth a little and the tone came in nice and
strong - with a adjustable pitch.
Re-installed ATU and now a full 5.5 Watts on 20 Meters using a 3 cell
Li-Po (12.2 Vdc)!
Looks like a defective C13 or cold solder joint.
The owner of this K1 will be happy when he hears this news!
73's Michael
n2zdb
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