Gordon,
Does the radio transmit and receive normally in SSB? Most of the T/R magic happens on the TX Exciter board. CW keying pulls the VOX circuit here, which in turn pulls the T/R relay and toggles the switching transistors on this board that supply the +10T and +10R voltages. The CW key also activates the CW oscillator on the 2nd IF/Audio board when the key is down.
The first suspect with strange 7-line problems is oxidized Molex connectors that interconnect the various boards. Often just re-seating the boards will clear the problem, but full cleaning may be required.
73
-Jim
NU0C
On Sun, 08 Mar 2020 11:42:56 -0700
"Gordon Cotton" <VE9GC@...> wrote:
Good day Jim,
Thanks for the suggestion(s).
So PTT / VOX switch in PTT position or VOX setting no change.
All controls full CCW? tone initiated immediately on selecting CW.? Meter reads about half scale even with carrier control fully CCW.
With CW VOX delay fully Clockwise, switching to CW from SSB or RTTY position, the tone doesn't start for about 3-4 seconds.
Thinking something in the VOX circuit, though no issues on SSB.
Gordon
VE9GC
Jim Shorney