John,
Are you certain you have actually lost 3 dB of sensitivity. Looking at
the S-meter response at the S-9 level does *not* necessarily indicate a
loss in sensitivity.
Make an MDS measurement to see if that indicates a sensitivity loss
(that will be a valid measurement). If the MDS is ok, then you may just
have an S-meter alignment error.
You will have to put the KSB2 board and the KAF2 or KDSP2 back in to get
audio through the K2 (or install the jumpers)
73,
Don W3FPR
John Chance-Read wrote:
> I am trying to find a fault in the receiver (I've lost 3 dB of signal) i.e. 50uV in only give a reading of 6 on the meter.
> So far no luck but I've now stripped off the SSB / 100W / 160 m / Dig Filter accessories to make it easier to find.
> I've linked W1, W2, and W3 but can some one advise me on other Plug/Sockets that need linking ? Its a long time ago since I built it and the old brainbox isn't very good on the recall.
> John G4BOU
>
>
>
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