[Elecraft] K2 TX alignment problems continue

[Neal Campbell and Sarah Ferrell]

The good news is that I did a diode dance, had the rf probe diode in 
D9, had the real d9 substituted for a 4148 and a 4148 in the rf probe.

Will swap them around and redo the tests!

Neal

On Feb 13, 2005, at 6:00 PM, Vic Rosenthal wrote:

> Neal Campbell and Sarah Ferrell wrote:
>
>> The symptom of my problem is:
>> 1. when setting k2 power to 5 watts, I get a reading of 2.2 amps with 
>> abt 0.8v drop
>> 2. when looking at power output with an external wattmeter, 5 watts 
>> reflecting on the external wattmeter shows as 3.8 on the k2. 
>> Similarly, 10 watts on external wattmeter is reading 6.9 on the k2 at 
>> an 2.8 amps. Cranking the rf power all the way clockwise shows 15 
>> watts on k2 and hi pwr message (cal curr set to 3.25) and external 
>> wattmeter shows 19 watts.
>
> The RF detector seems to be reading low.  Check the RF detector 
> components on the RF board: R66, R67, R68, R69, D9.  Make sure the 
> resistors are the correct values and the diode is the correct type.
>
> -- 
> 73,
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco
>