I'm in the process of installing my KIO2. It does not work. I checked
and re-checked all the wiring, location of the components, etc and
everything looks good.
My K2 has the Rev A control board so I had to cut the trace and solder
some wires (that's the one thing I haven't double-checked yet). I took
some voltage readings at the data connector on the back of the radio,
here's what I got:
Pin 1 - 0 volts
Pin 2 - 0 volts
Pin 3 - 0 volts
Pin 4 - 5.59 volts
Pin 5 - 0 volts
Pin 6 - 5.70 volts
Pin 7 - .01 volts
Pin 8 - 14.17 volts
Pin 9 - 8.07 volts
One of the biggest discrepancies I noticed was Pin 2. According to the
manual, it's supposed to be -8 volts, but I get 0. Any suggestions as
to where to start looking would be greatly appreciated as I am running
out of ideas. Thanks!
James Kern KB2FCV
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