Technic alBulletinICOMHM-28MICROPHONEj36650The HM 28 is a high quality 6000 noise cancelling dynamic microphone which isused with a IC-M700 SSB marine transceiver.The information below is provided toassist you in trouble shooting and repairing this microphone or,to determine whichother microphones are compatable.PREAMP.100123D6013￥0.1u8 VDC to power mic circuit10DP10a0P3.3uDcomes from the M700 via theBRAID0.01u0.01u"Hot"mic lead,(white wire).WHITEF.T.T0ACKwhite-TOP--BOTTOM-1000P1000Pbrownwhite-1000Q2brown-MIC CORD-pin 1brownblack-PTT SW-redwhitepin 1&7 yellow pin 2 redpin 3 blackpin 4 brownpin 5 whitepin 6 ne-MIC ELEMENT-
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