[Elecraft] K2 VCO Alignment only 0.02V @ R30

Don Wilhelm w3fpr at embarqmail.com
Sat Feb 2 23:14:30 EST 2013


Jeremy,

While you sleep on it, think back to whatever caused he R30 voltage to 
go to high ( 8+ volts).  That is the key to whatever is happening.

I am also calling i quits for the night - have a good rest.

73,
Don W3FPR
On 2/2/2013 11:06 PM, JeremyJones wrote:
> Rewound T5 and now I seem to be back at square 1.
> U4 pin13 is high again @5.029V when tuned to 7100khz.
> R30 is back to 0.02V
> 40M is at 11351.25
> L30 still changes frequency.
> The VCO test at 4000.10 results in 7794.5 @ TP1.
> U7 pin2 and U4 pin5 are both 4.99V.
> I think I'll call it quits for tonight and see if tomorrow brings better
> luck.
>
> Thanks for all your help,
> Jeremy
>



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