Tuesday, September17, 2019 L-36.com

Icom ic m700 Mic Mod



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            Bulletin                                                      ICOM

                                 IC M700
               HF SSB MARINE RADIOTELEPHONE

                                MIC MOD
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 The original HM28 hand microphone is no longer available. The M700
 must be modified to accept a replacement HM114 hand microphone.

 Procedure:
 l-Remove the top cover (12 screws)
 2-Unplug the HM 28 microphone from 53 on the MIC-C-UNIT; remove mic
 3-Unplug the other (2) jacks from the MIC-C-UNIT
 4-Remove the (3) screws holding the MlC board and remove it from the chassis
 5-Carefully unsolder 53
 6-Replace 53 with a new connector (#936-05432) and solder pins
 7-Reinstall the mic board with the 3 previously removed screws
 8-With a sharp knife, cut off the mic cord restraint on the new HM 114 mic
 O-Thread HM 114 cord into M700 via side hole (follow routing of old mic) and plug
     into new 53. The small 2 pin connector on the new mic is not needed.
 lo-Reinstall other 2 Jacks, Jl and 52 previously removed
  11-Reinstall top cover.

 Note: Up/Down buttons will not work on the HM 114.




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                                 Mic Restraint
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