[Elecraft] [K2] On initial Power-up, '"INFO 201" Remains

[Don Wilhelm]

Dan,

I just arrived home from Thanksgiving family stuff.
Did you have the front panel board isolated from the other boards when 
you made those resistance measurements?
If not, that is sufficient reason for the low resistances.

73,
Don W3FPR

On 11/26/2017 6:01 PM, Dan, K7DJK via Elecraft wrote:
> Now that the busyness of the Thanksgiving holiday is over, I was able to get back to the K2.
> 
> First of all, thank you all for your help and suggestions.
> 
> I first, for both the Front Panel and the Control Board, verified that all the proper components were installed and in their proper orientation.  No problems found here.
> 
> I then went and reflowed all of the solder joints (well, all of those I could actually access).
> 
> After reassembling the radio, I turned it on and got past the INFO 201.  Good!  Reflowing the solder must have fixed something somewhere.
> 
> Now I have the INFO 080 message.
> 
> Referring to Appendix E of the K2 manual, I quickly found the problem to be a bad solder connection on U1’s (RF board) 4 MHz resonator (RF-Z5)..  Easily fixed that and checked all other solder connections of the RF board.
> 
> Applied power. Ah, the wonderful sound of clicking relays!
> 
> Looked at the display, and saw...gibberish.
> 
> Decided to reset the radio again (4+5+6 then power-on).
> 
> Got the INFO 201, followed quickly by ELECrAFt, followed then by 7100.00c.
> 
> All tests and functions as outlined in Alignment and Test, Part 1, worked as expected.  Happy to see that!
> 
> Something still bugs me though. After reflowing the solder connections, I re-measured the resistance checks (per pg. 29 of the User Manual).  I only list below the measurements in question: