Don,
Why not replace the regulator and cross your fingers? If it works, all
is well. There is no firmware on the KIO2, but the MAX1406 U1 may have
been damaged.
73,
Don W3FPR
On 11/4/2020 10:09 AM, Don Zank via Elecraft wrote:
HiMy KIO2 interface has stopped working. Voltage checks indicated that the 5
volt regulator had 12 volts in and 12 volts out. This is the VCC feed for the
U1 processor. So I can replace the regulator but would the processor have been
damaged? Should I just change both for general practice?
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