Tony,
I have never seen a problem like that before, but I would suggest
starting with the 8R and 8T voltage rails on the control board. If they
are not switching properly between transmit and receive it could
conceivably create a problem like you describe.
OTOH, hearing your SSB signal in the headphones is not normal for the
K2, and only normally happens when the menu SSBA parameter is set to
BAL. If the menu is being changed inadvertently during a transmit to
receive transition, suspect RF is somehow getting into the K2
(RF-IN-THE-SHACK problem??). Alternately, control board U6 may not be
properly seated in its socket - try re-seating it.
Keep us posted on what you find.
73,
Don W3FPR
N2TK wrote:
Before I tear into the K2 to find out what happened today I figured I would
ask on here in case someone has seen this problem before.
It receives fine on all bands. When I transmit (does not matter what power
level or what band) it hangs up. If I keep it on the transmit mode power out
is fine. If I let it go back to the receive mode the receive signals are
very, very weak. If I talk into the mike, there is no power out and I have
side tone in the headset so I can listen to my transmit audio.
To correct this problem I need to change bands or shut off then on the
radio.
Anyone hear of this problem before?
Tnx for any ideas before I pull out the schematics and take off the covers.
73,
N2TK, Tony
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