Thank you, both. I will look into this. Is it something I can replace with my unsteady hands or should I send to Icom?
Also, the ALC meter doesn't seem affected by changing mic gain on FM. On 2m it's always too high (beyond the scale) and at 440 it's always 0. Not sure if this is ok and/or related.
FYI at 100% power it only puts out 8W on 440. I probably should dial back the RF % until I get it fixed to avoid further damage.