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
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
Hello there
With no Antenna connected and all parameters the same for Main and Sub VFO, my sub receiver produces only about 50% audio compare to my main receiver.
This results that i have to set my sub audio knob to the 4 oclock position to recieve equal audio in left and main headphone..
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