[Elecraft] K3 Caution when using an external monaural speaker

David Pratt david at g4dmp.fsnet.co.uk
Thu Jan 15 03:51:10 EST 2009


In a recent message, David Pratt <david at g4dmp.fsnet.co.uk> wrote ...
>Thank you, Ron, for your explanation. I have carried out the mod as in
>the App note.  I was particularly puzzled by the resistor across pins 29
>(TXD) & 35 of P76 which appears to put the resistor between pin 14 of U1
>and ground. I had difficulty in relating this to the original note.

My mistake, chaps, I think I have misinterpreted the pin numbers. They 
are evidently pins 4 & 16 of P76 which places the resistor across SPKR 
R. Sorry!

73
-- 
David G4DMP
Leeds, England, UK
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