[Elecraft] KSB2 module installation

[Phil Wheeler]

I had some problems once because I had not inserted the module properly.

BTW -- you did not say, but did all the pre-install tests match the 
normal range?

Have you removed the jumpers on the RF board?

Phil

greg storms wrote:

>Hi out there.  I am having a problem with the initial test after insertion of the KSB2 module for the K-2.  After switching to 40 meters and connecting the antenna and headset there is a substantial loss of signal strength.  I have done trouble shooting steps 1-4 and note only the following variations from listed voltages:
>
>U1-21 is 0 instead of 5.8 volts.
>
>U1-22 is 5.6 instead of 0 volts.
>
>U2-5 is 5.9  instead of 0.6 volts.
>
>D6, D7, D8 and D9 all measure 0 instead of the voltages listed.
>
>Anyone have any ideas for further testing?  I have checked the U1 socket throughly for shorts/ bad connections and found none.
>
>Thanks in advance,
>
>Greg, KD7SRC
>K-2 #3434
>
>
>
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