Yes, the KAt100will still try to tune. The SWR it reports will be
woefully inaccurate, and is likely a 'crazy' reading. Check the diodes
with an ohmmeter, or alternately measure the resistance between U5 pin 3
and ground, and also U5 pin 5 and ground. Both should measure between
40k and 50k if the diodes are good and the forward and reverse pots are
adjusted anywhere near correct.
Don't forget to check the nulling (or balance) of the capacitor and the
calibration of the wattmeter for forward power and reverse power as
instructed in the manual after replacing the diodes.
73,
Don W3FPR
On 10/5/2014 3:48 PM, d...@dpomeroy.com wrote:
Static got the diodes in the k2 100watt amp. Could they also get the diodes in
the kat100. If the kat100 d1 I & d2 blow will the tuner still try to tune only
not arrive at a low swr?
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