[Elecraft] [Remedy] K2 #1059 VCO Alignment to 6.0V

[Harry Yingst]

I had to squeeze the turns on T5 together a little bit to get it to
come up to 6.0 v.

K2 sn 3458






--- wo7t@juno.com wrote:
> 
> Hi All:
> 
> Just wanted to document the resolution to what's been my only
> issue to date on my K2 build up.
> 
> I guess on some of the earlier K2's I missed recommendations
> to drop back to 15 primary windings on T5 vs. the manual instruction
> to 16. Once I did this, I had variablity with L30, and could hit 
> the 6.0V level.
> 
> Many thanks to Carl Morris, who led me down this path. I was somehow
> believing at the higher voltage I would still see variability with 
> tuning L30. Not so. If starting voltage here is too high, take off 
> a primary turn.
> 
> 
> 72
> Mark
> 
> >
> >
> >
> > Hello All:
> >
> > I have a problem VCO Aligment.
> >
> > The voltage on R30 should be 6.0V but I have 8.35V, and no
> > amount of turning L30 changes it from 8.35V. It's steady
> > at that voltage.
> >
> > C72 is 271, L30 is T1005, T5 is a yellow toroid, 16 turns of red
> wire
> (pads 1&2), 4 turns of green (3&4)
> >
> > I judge from some other postings that removing a primary winding
> might
> > move my voltage reading down, but why no variablity even at current
>  point?
> >
> > Any help most appreciated.......
> >
> > 72,
> > Mark
> 
> 
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=====
Harry - AB2PN

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