[Elecraft] K2 problems

[Thomas S. Knutsen]

Hello Scott.
What is the current the radio draws?
Is it possible that there might be an bad soldering or an forgotten  
one? it`s way to easy to do.

73 de Thomas LA3PNA


Den 21. mars. 2008 kl. 22.53 skrev Scott McDowell:

> Hi
> I am having some problems with a K2 that I am building that I need  
> some help with.
> During the part 2  alignment and test I discovered that the BFO  
> wasn't working.
> While investigating that, the frequency counter and volt meter  
> stopped working.
> I've been checking on the counter and volt meter and found some  
> voltages that
> are not right. For instance on the control board U6 microcontroler  
> pin ten has 0 volts
> instead of 5. Pin 18 has 4.9 volts instead of 0 volts.  Pin 24 has 0  
> volts instead
> of 5 volts.  Pin 25 has 5 volts instead of 0 volts. Pin 33 has 0  
> volts instead of 5 volts.
> Should I replace U6, or could the problem be somewhere else that is  
> causing
> these crazy voltages?
> Also on CB U2 all the voltages are about half what they should be.
> CB U7 has 0 volts on pin 5 instead of 5 volts. Pin 6 has 4.94 volts  
> instead of 0 volts.
> I'm not much of technition, so do I need to throw the whole mess  
> away and start
> over on a new one?
> Thanks
> Scott N5SM
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