[Elecraft] Help with VCO Alignment on K2

Kenny Richards [email protected]
Wed Mar 17 01:16:01 2004


I've run into another problem I can't figure out with VCO alignment 
during construction of my K2.  (very new kit, bought in the last 4 
months)

I'm at the stage were I'm suppose to set L30 to get a 6v reading across 
the left side of R30. (VFO set to 4000khz)   I had originally messed up 
and installed the wrong slug tuned inductor for L30, but once I fixed 
that, I still can't get the right voltage.  Right now I'm reading a 
swing of about 8v down to 6.3v, the voltage is stable, I just can't 
dial it down far enough.

According to the instructions there are a number of things I could have 
messed up.  I already fixed the L30 problem and I'm 99% sure I have the 
right cap in for C72.  The only other thing suggested is winding of T5 
could be wrong, but I'm pretty sure it is correct also for two reasons; 
first because I bought them pre-wound and second because I've counted 
them several times.

Any other suggestions on what I could have done wrong?  Would putting 
T5 in wrong screw things up like this?  I haven't got to the point yet 
of pulling it off the board, but it was my next step.

Thanks,
Kenny, KU7M