[Elecraft] K2 PLL Ref. Osc. Range Too Narrow

[MikeH]

Hello Group,

I'm building my first K2, purchased about two months ago, and I've hit 
a little bump during alignment and test (part 2).

During the PLL Reference Oscillator Range Test I came up with too 
narrow a range (9.37 kHz somewhat below the 9.8 minimum)). My high 
freq. ref. during the test was 12099.95, and the low was 12090.58). I 
gather that my low point is not low enough. I did check the components 
listed in the trouble-shooting section (D16, D17, C84, C85. L31) and 
they are ok. I have also checked all soldering, and it looks fine.

I have looked over many of the messages on the list, but still wanted 
to put out a request for help to those experienced with the K2. I have 
seen some reference to a range as low as 9.1 kHz being ok (others say 
it needs to be at least 9.8). I have also read that going to an L31 
value of 12 uH is a solution.

Anyway, as always, helpful comments are welcome.

Mike/NR7F