?? according to the schematics I have, R5 is a 3.3 Ohm resistor in the
RF feedback path. The only 100 Ohm resistors are R20, R25 and R27 in
the T/R switch. It sounds like you meant R25 as a failure there would
prevent the receive (bypass) path from turning on.
73,
... Joe, W4TV
Joe,
you are right, sort of. There are 2 different schematics on the elecraft
support site.
I have this:
https://ftp.elecraft.com/K3S/Manuals%20Downloads/E740323%20K3s%20Schematic%20Files.pdf
Page 46 for the KPA3A
R5=100 Ohm
You have this:
https://ftp.elecraft.com/K3/Manuals%20Downloads/K3_Schematics_Jun_2010.pdf
Page 44 for the KPA3 w/o "A"
the older PA.
R5= 3.3 Ohm
Thanks for the head up.
--
73, Martin
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