12-17-2007, 11:01 AM
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Join Date: Apr 2002
I have that radio and had the same problem earlier this year. The problem is the driver. Icom will sell you a new one for fairly inexpensive if you want to put it in yourself. Or, they charge you around $80 (I think that's what it was) to do it for you. At the time I didn't know that it was just the driver that goes out, so I sent it in. If it happens again, I'll just fix it myself. If you do decide to send it to Icom, their turnaround time is pretty quick.
BTW, I believe the most likely cause of this problem is transmitting with a high SWR. I know there are a bunch of pages out there speculating how to "Fix" this issue, but I haven't seen anything that worked 100% of the time. It happened to me when I accidentally keyed the radio on high power setting with the coax unplugged.