John,
Check the SUB-IN and SUB-OUT connectors on the KRX3 to be sure they are
properly inserted and seated.
Also re-check the cables for the SubRX synthesizer.
Do you have the KBPF3 installed? That is required for receiving the low
band. And you should upgrade the KBPF3(s) with the newly announced
upgrade kits or order the KBPF3A and the two bypass capacitors for the
regulators (one for the main RX and another for the SubRX.
73,
Don W3FPR
On 6/28/2015 4:02 PM, VE3NFK wrote:
Hi
K3 sn 709 just installed:
2 x KSYN3A
1 x KXVV3B
audio mod (little board with 2 caps and 2 power resistors)
replaced 6 tin pins on PA and main board KPA3 power connectors
replaced power fans with 2 x Noctua's
did mods on KBPF3 x 2
Result - radio still works :-) BUT no signals on the sub rx - can hear
band noise but that is all....
sensitivity on the low bands (300khz-900khz) does seem to be improved at
all.
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