[Elecraft] K3 low pwr only

[Joe Subich, W4TV]

Have you checked the T/R switch on the KPA3 board itself?
Check D7, D8, D9 and D10 also R20, R7 L3, L7 etc. for
proper bias voltages on the diodes in TX/RX.

73,

    ... Joe, W4TV


On 2025-01-21 11:58 AM, Martin wrote:
> 
> Elecrafters,
>   i finally took the time to replace the relay on the KPAIO3A, but the
>   problem persists.  When i demand more than 12W power, the K3 goes deaf 
> and there is no power. Reducing power to 12W or less brings RX back to 
> life and i have power.
>   So, what are my next steps? Any advice welcome.
> 
> 
> -- 
> 
> 73, Martin