New IC-7200's purchased made from an authorized US Icom dealer after February 1, 2009 should have all modifications. To verify that the modifications were carried out on your IC-7200, you should have found a notification slip from ICOM America packed with your radio. If you did not receive this document, or if your serial numbers are lower than those specified below, you may need the modifications performed on your radio.
IC-7200 #02 USA model Modification A S/N 0201151 Improvement for EMC from the External SP Jack
IC-7200 #02 USA model Modification B S/N 0201221 Improvement for EMC and noise from the Phone Jack
IC-7200 #02 USA model Modification S/N 0201520 Low AF output on ACC/USB sockets