Icom M120 Technical Bulletin

Ml20
VHF MARINE TRANSCEIVER
The original EM53 and EM56 microphones are no longer available.
The Ml20 can be modified to accept a replacement HM114 hand
microphone.
the case off
board down, then flip board over front panel to gain access to circuit side
then remove
avoid board damage),
sure pins align I for 1 etc), solder
(make
and the T8 connector at point "M"
chassis and plug intoJto8The small 2 pin connector on the HM114 is not needed.