[Elecraft] K3: PTT IN problem - cause found...Joe picked it...

[VK7JB]

Thanks Joe - you picked it in one!   No voltage on PTT IN.  RFC1 on the RF
board has failed open (9 M Ohm on my meter) and bypassing it restores the
PTT IN 5V line voltage and function, as you'd expect.

It's a surface mount component on the bottom of the RF board, for those who
might need to know in the future.

Next challenge is to replace it - I'm not very experience with SMC building,
but I'll give it a go.  Or, would there be any problem replacing it with a
standard RFC of the same value if I can configure it to fit?

73,

John
VK7B

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