A search of the internet with key words "pin 1 Audio connector problem"
should bring up discussions of the pin 1 grounding for XLR audio
connectors. Perhaps the TT fix was for a floating mic shield wire and
this type of grounding problem. And maybe Ten Tec's connector also used
pin 1 for shield?
Sometimes if you have hot coax or other transmission line in the shack
(hot with RF) you can alter the RF in the shack condition by adding or
subtracting a length of line. Another issue is, are all rig and
accessory chassis well grounded for RF (short flat and wide strap), to
the outside earth ground and everything on the same ground bus).
Other known RF fixes include blocking introduction of RF into a rig via
the mic cable by placing a ferrite choke on the cable just before it
enters the rig enclosure. Or beads on connector wires.
It is likely the specific VI model audio RF issue was discussed in
detail in the reflector of past years and a search of the postings by
keywords should help find it.
Hint for keeping up with rig notes: Upon receiving mods or updates,
place original manual in a folder with any revision papers, or staple
those papers to the appropriate pages of the manual, for later use.
Ideal, is reserving one of those two drawer file cabinets for tabbed
folders for each piece of ham equipment. That eases the task of finding
notes when time to repair or sell.
-Stuart Rohre
K5KVH
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