[Elecraft] K2 RF bd Resistance check (8B) U6 pin 8 to gnd 38 ohms -Solved

[K McKenna]

Hi Frank,
 I found it!

 After some sleuthing around with my VOM, I found some
very odd readings around Q19. Long story short, I had
one lead of RC14 soldered into a grounded hole on the
board, rather than the correct one. This placed the
source of Q19 and I think pin 1 of U4 at GND. -oops
Sometimes it pays to put the soldering iron down and
get a good night's sleep instead of pushing on.
Thanks to all who offered their help.

Kevin, KE3V

--- W6NEK <w6nek@socal.rr.com> wrote:
> Hello Kevin,
> Regarding your >100 ohm resistance test on U6 Pin 8,
> you are most likely OK.
> Check the DC voltage at U6 Pin 8 (in receive mode)
> and verify it is 8 VDC.
> If it is, then the resistance check is superfluous.
> As far as the S meter is concerned, the additional
> components added between
> Alignment and Test Part I and Part II will cause the
> S meter alignment to
> change.  Wait until the final S Meter alignment
> after Alignment Part III.  I
> don't think you have anything to worry about.
> 
> I am building K2 S/N 4086 which arrived yesterday. 
> I am in the process of
> building the Control Board and noticed that Elecraft
> provided the wrong
> value of resistors for R21 and R22.  Can you please
> do me a favor and verify
> that R21 is 270K(red-vio-yel) and R22 is
> 82K(gray-red-org) on the Control
> Board?  I sent an email to Elecraft Support but did
> not receive a response
> yet.
> 
> Many thanks and good luck with your K2!
> Frank - W6NEK
> 
> 

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