Hi all.
I wrote the list earlier stating that I had proper power up displayed at the
first power up test, right info message, elecraft and 7100.00 displayed. No
front panel functions at all.
Now worse. After several tests, power ups and double checks, no relays, no
front panel display, nothing. Like the unit is not getting power, but it is.
All resistance checks pass and all proper voltages are there from a once or
twice over standpoint. All socketed chips have the right VCC, all chips are
socketed correctly, no solder shorts or unsoldered components, no diodes in
backwards, 8V and 5V are present on the control board. All 5V points
necessary are on the front panel. Even with the front panel unplugged and
the control board out, no relay clicking. 6V is on the pins on the IOC where
they should be.
I am thinking at this point either the firmware or the MUCH died. Unit
powered up and displayed the right messages more than 20 times. Just no
front panel control at all. Now it won't even clack the relays or display
anything. As I have stated, I have spent most of the day looking at this and
cannot find any component or build mistakes, nor missing voltages where they
should be.
I guess I will be emailing Elecraft for a new MCU and firmware.
Your thoughts?
Jess
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