I have a Royce i 620 that im scratching my head on. I have tried 3 or 4 different mics and I cannot turn the volume up hardly at all and it squeals. When I unkey the mic, I get a very loud BOOOOMP sound. Ive tried a turner jm plus 3, a plus 2, a unbranded power mic, 2 d 104s and a stock mic. I own another I 620 that doesn't have this issue, and I can run what I want on it..
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Royce i 620 mic issue.
- Thread starter rogodee
- Start date
Does that radio use a relay? It almost sounds like a "sticky" relay, where it hangs briefly, usually due to pitted contacts.
The squeal makes me wonder if someone's previously messed with the mic wiring in the radio. Squeal is almost always RF getting into the white audio wire, often due to issues with the mic cable ground..,...
The squeal makes me wonder if someone's previously messed with the mic wiring in the radio. Squeal is almost always RF getting into the white audio wire, often due to issues with the mic cable ground..,...
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