I installed the KRX3 (Subreceiver) to K3 S/N 3788 last night and it appears to
work fine
(I completed all of the software steps in the manual) but I now have very
little RF output when connected to a dummy load. The 100w PA doesn't appear to
kick in when the power is increased above 12 watts; there is only one bar
displayed on the power output
meter. The ATU relays click when activated but no SWR value appears.
I'm using the latest firmware and have double checked that all the pins
lined up when I reassembled the KRX3 and I checked all of my RF cables (I had
elected to connect the cable from the the KAT3 J43 to the SubRx on J92). I had
backed up my radio configuration using the K3 utility before I installed the
KRX3. When I could not figure out why the PA would not develope any power, I
restored my old K3 configuration (pre-KRX3) and the PA began to operate at high
power again.
I am drawing the conclusion the PA is fine and the SubRx is also OK, however, I
am not certain why, when I turn on the KRX3 in software, I loose the high power
PA.
Any advice would be gratefully appreciated about where to check next.
Thanks in advance your ideas!
73's
Dave N3CAQ
K3 #3788
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