Dave,
Being a little 'tongue in cheek' the answer is -- That depends on what
you mean by "good"!
Seriously, the fact that you can turn it on and off in the menu only
means that there is a response from the KIO2 when it is communicating
with the MCU over the AUXBUS line.
I would suspect the MAX1406 IC, but since there was a lightning strike,
it could be something different - anything!
First do all the voltage measurements on the KIO2 board.
Does anything get hot? The voltage regulator in particular.
Are you using the "special cable" between the KIO2 and the KUSB cable?
You MUST use that! It does not have to be long, but must be present.
Check that all the inductors show continuity.
If none of that is revealing, I can give you a series of tests that you
can do to test the KIO2 alone (without removing it).
If we get to that point, take it off-list (Delete "[Elecraft]" from the
subject line) and I can give you the steps via private email.
73,
Don W3FPR
On 11/19/2021 4:40 PM, Dave Sublette wrote:
I had a lightning strike and am getting things back together. I am
attempting to connect via a KUSB cable with a series adapter to make it a
proper cable for the K2.
The PORT menus says the port is ON and I can turn it ON and OFF as outlined
in the manual.
Prior to the strike, this same radio and cable and software was operating
normally. Now the software cannot connect to the radio, even though the
setup shows an available USB/serial port available.
I'm wondering if the KUSB cable is bad(probably due to the strike)?
First item I need to know, is the KIO2 OK if I can turn it on and off from
the EDIT menu? If the KIO2 is good, then it has to be the KUSB cable.
What say ye?
Thanks,
Dave, K4TO
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