I recently purchased a used 705 mic and it has a
problem. Before I send it back, I wanted to see if
there are some suggestions you folks might have on its
repair.
1. The mic came without a 9 volt battery, so I put one
in and noticed the red transmit LED was on.
2. Hitting both the PTT and lock switches on the base
had no effect on turning it off.
3. I opened the 4 pin connector and all looked good
there (nothing shorted across PTT and GND pins)
4. I put the mic on my omni 6 and when plugged in, it
immediately kicks the rig into transmit and it does
work, provide audio to the rig.
When I open the base up later today, any suggestions
on what to look for (don't have a schematic but can't
imagine its too complex) ?
Thanks in advance, Mark N1MT
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