Icom M700 Mods ((full))
If your 10-key buttons are unresponsive, check switch on the Matrix Board to toggle their functionality.
If the keypad is locked, hold [T Only] and [ENT] while powering on. ⚠️ Important Considerations
: To allow programming for Banks A and B, which are often locked, W33 (W1033) should be removed. VCO Retuning icom m700 mods
: The original HM-28 microphone is often replaced with the modern HM-114 . Note that this requires replacing the internal connector (53) on the MIC-C-UNIT board.
: The stock radio has limited channel memory. Some advanced mods use SRAM chips to expand memory up to 480 channels , providing 10x the standard capacity. If your 10-key buttons are unresponsive, check switch
: Contains a technical write-up and SRAM schematic for the memory expansion and jumper mods.
While the unit includes a mobile mounting bracket, it lacks tabletop feet. The bottom of the chassis is already drilled and tapped, making it easy to install standard rubber or plastic feet for desk use. Important Legal Note: VCO Retuning : The original HM-28 microphone is
: If memory banks A and B are locked out from user programming, remove jumper W33 (W1033) on the Logic Board.