[Elecraft] Re: K2 Communication Problems

[Mark Baugh]

This is for anyone who may be following my previous
post on this problem.  I took some voltage
measurements, and I am getting the following KIO2
readings:

 J1 pin 2= +12.7 Volts
 U1 pin 11= 0 volts
 U1 pin 12= +1.4 volts

All other readings are pretty close to the table of
voltages in the KIO2 manual p. 23.  The two U1
readings above can be traced back to pins 25 & 26 of
the MCU on the Control Board.  I have done a hard
reset of the K2 and stillhave the same readings.  Do I
have a flakey MCU?  Please help... anybody!!

73,
Mark Baugh
W5EZY
Grenada MS

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