[Elecraft] K2 RF Board resistance check failure. U6 Pin 8

[Geoffrey Mackenzie-Kennedy]

Wiley,

The resistance between U6 pin 8 and ground was 295 ohms in my K2 built in 
2003, before the RF board was assembled with the front panel and Control 
board.

Hope that this helps.

73,
Geoff
LX2AO


On July 14, 2012 at 10:25 PM, Wiley Kling wrote:


>I am building a recently purchased K2, serial # 7313.  In the past few 
>years
> I have built 6 or 8 solid state kits, including a K1, without a hitch.
> However, I am now having a problem that is really making me feel like a
> "newbie".

 <snip>

> I am on page 62 of the manual and things have gone swimmingly until now.
> All of the resistance checks (RF Board) are fine except for U6 pin 8 which
> is supposed to read >100 ohms.  My reading is 38.3 ohms and I cannot 
> locate
> the problem. I have searched the Elecraft Reflector and many folks have
> suffered the same problem.  Problem is, I can't find a reference as to how
> anyone resolved the issue.  I have done the following things:
> I would appreciate any advice that anyone might offer.  I would be truly
> thankful.  Would it be helpful for me to know what resistance others show
> between U6 Pin 8 and each of the 8 pins on the "Thermistor Board"?  I'm
> thinking that might allow me to eliminate that board as a source of the
> problem but not sure I am thinking correctly.  Thanks.
>
>
>
> 73, Wiley, KG4UPO