Picked up an old Connex 3300HP for cheap. Radio receives fine. It has full output on high and low power, but NO modulation. PA also does NOT work. I've tried a couple different microphones as well. Checked voltage at TR51 and the audio chip, both tested good. Also reflowed solder in these areas. Changed C129, still no luck. Still need to check voltage at ic4. Anyone have any other suggestions?? Thanks
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