Thanks to those who contacted me. Nobody seems to have a Rev B Schematic!
The possibility of an exchange unit has not materialised so as the KPA3 is
still mine, I decided a bit of disassembly was in order before taking it to be
serviced.
Findings upon removal for testing:
C43 and C44 passed t
Many thanks for your reply Peter.
The Rev C schematics are the ones on the current Elecraft website, which I
have. I was suspicious of the pins which are the originals, but they look OK
and Deoxit has not cured the problem. Yesterday my order of some ribbon cables
arrived, and I was able to
Hello All,
I have recently acquired an early K3 which needs tidying and checking over. So
far all appears to be OK except for the KPA3 which gives no RF output but the
rig draws 14 Amps regardless of the power setting. The LPA is working fine
with up to 12 W RF out and a max current draw of 4
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