As usual, Don's advice is excellent. I would add that you should check
to see if there might be a short between pins on one (or more) of the
switches or traces connecting to them. It is EASY to accidentally
splash some solder across solder traces either at the switches, the
microcontroller or connectors. Depending on your eyesight, a magnifying
glass may be required for checking this.
On Dec 27, 2004, at 4:31 PM, W3FPR - Don Wilhelm wrote:
When you power on, the firmware level is being displayed.
That does not normally occur, but it does display like you indicate IF
you hold one or more buttons down while powering on.
Based on that info, do check to see that all buttons move freely in
the front panel button holes. If you can't locate one or more tight
buttons, remove the front panel from the board, take off the keycaps
and put it together without the keycaps - just to see if everything
then works. If it does, then you just have to find out why the
keycaps bind on the cutouts - it is difficult to position the switches
wrong, so you could have a bad front panel. I had a bad one once, it
was punched just a wee bit crooked (only about 2 mm off from a corner
to corner measurement), and it was very difficult to see visually -
and I even had a good one to compare with.
- Jack Brindle, W6FB
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