I posted about this some time ago, but now I think it's time to get it
fixed.
In a nutshell, the 2N7002 driver of the Key Out line on my K3 failed
explosively (it drives a much bigger IRF1630 MOSFET that does the actual
switching). Some combination of my ham-handed attempts to clear out the
debris and mount a new surface-mount 7002 resulted in the destruction of
the mounting pads for it on the bottom of the main circuit board. So
now I'm faced with using a leaded 7002 and connecting it to the
appropriate places. Here's the schematic:
The trace going to the IRF1630 is on the top of the board.
I'm looking to pay a technician with the necessary skills and K3
experience to do what I can't. I will drive the rig to you within 100
miles or so of Baltimore when you're ready and wait for it to be fixed -
I'm assuming I can function as your "queue" and minimize my down-time
this way.
Anyone out there?
--
73, Pete N4ZR
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