K2 Shuts down on boot up

[David Heinsohn]

  Yesterday evening after making a psk31 contact, then just listening
for a couple of hours my K2 shut down.  At the time my wife was working
with the shack's computer.  So I disconnected EVERYTHING from the K2 and
turned it on using only the internal battery.  It would start the boot
process, get to the frequency display and shut down.  Tonight I took the
top off, disconnected the IO and DSP boards.  Looked for obvious
problems and tried again.  Same result.  There is just enough time
during this process to tap MENU while the ELECRAFT display is on.  The
display then shows 2.04r   1.09  Then as usual as soon as the frequency
comes up the unit shuts down.

Any ideas?  Nothing appears to have overheated, nor can I detect any
warm components.

Thanks
David
kd0r

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