You can always try the "physical reset maneuver" method. With a
non-shorting tool (wooden pencil), sharply tap the relay being
tested. 😉 Only the amount of energy used, changes according to size
(smacks works on kids too! 😛).
But check the RF path, most relays (as I recall) pass received RF too
(so deafness is a clue to localize the issue cause).
While you're in there, one at a time, unplug, replug each TMP connector
(so you don't lose track of where it goes) as a general maintenance move
because they can get a layer of crud over time. Connector pull, NOT the
wire/s.
GL ES 73,
Rick nk7i
On 7/30/2025 11:16 AM, [email protected] andy.nehan--- via
Elecraft wrote:
I realise that it looks like the soldering iron will have to be busy.
Perhaps there is a relay that has died?? I would love to know what
component to investigate further - perhaps relays K4 and K5?
I cannot find a layout for the pcb and none seem to have been produced.
Any advise most gratefully received.
I operate the rig stand alone so there is no interconnection to other
equipment excepting my PC, however in SSB the problem persists.
Andy G4HUE
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