Andrew,
Did you replace the 2 1N5711 diodes in the wattmeter section? Those are the
most likely components to be zapped with a surge. and if the wattmeter does
not properly indicate forward power, the K2 will attempt to transmit at full
power no matter where you set the power control.
73,
Don w3FPR
> -----Original Message-----
>
> I'm trying to get the Auto ATU going again after static zapp (at
> least that's what I suspect happened). I've replaced the ATU PIC
> and once again it checks out with the tests on p13 of the manual.
> I've also successfully set C55 to give an indication of 000.
>
> When I go on to attempt the power calibration, I run into
> problems. I set the power control for 5 watts but when I hit
> TUNE I see 10 to 12 watts on the power meter (external with 50
> ohm dummy load) for one or two seconds, then the power is cut off.
>
> All suggestions gratefully received!
>
> Yours
>
> Andrew, G4HVC
>
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