[Elecraft] KPA100 no PA Key Out

[Don Wilhelm]

Martin,

It could be a solder failure, a failure of Q12, an open R1, or a bad 
output from firmware U1 pin 16.

73,
Don W3FPR

On 9/15/2018 9:28 AM, Martin wrote:
> Elecrafters,
> a friend is trying to connect his K2/100 to his external amp. I own a 
> K2/10 only , so have no expirience with it.
> 
> He performed measurements and found the PA Key Out on the rear panel of 
> the KPA100 will not go low on transmit.
> What could be the cause?
> Thanks.