A small cup or magnetic tray to keep track of different case screws.
Verify that no loose screws, wire strands, or tools remain inside the radio housing. Lower the bottom cover back onto the radio chassis, ensuring all alignment tabs click into place without pinching any internal wiring harnesses. Reinstall and tighten the exterior chassis screws securely. Testing and Verification
on the front panel. This connection is vital for the front panel "AM/FM" button to communicate with the new unit. 4. Reassembly and Testing
Tune to a local FM station (e.g., 95.5 MHz) or AM station (740 kHz) to verify the installation. Use the main tuning dial to scan for stations. icom ui7 am fm unit install
: The presence of AM/FM buttons or icons on the front panel does not guarantee the unit is installed; these are standard on all IC-725 models regardless of optional board status.
came with a standoff or fastening screw, secure the board to the mainboard to prevent it from coming loose. Step 4: Finalize Internal Adjustments (If Required)
Before delving into the chassis of a transceiver, the operator must prioritize safety and environment. The installation of the UI7 unit requires accessing the interior of the radio, which exposes sensitive electronic components to the risk of electrostatic discharge (ESD). Therefore, the first step in the process is to ensure a suitable workspace—one that is well-lit, static-free, and spacious enough to accommodate the radio chassis and disassembled parts. The operator should utilize an anti-static wrist strap to ground themselves, preventing stray voltage from damaging the delicate circuitry of the UI7 or the main radio unit. A small cup or magnetic tray to keep
Press the button to cycle through the modes. You should now see "FM" or "AM" displayed on the screen.
Adding AM and FM broadcast band reception to a classic Icom transceiver expands its utility, allowing you to listen to local news, weather, and music between amateur radio contacts. The Icom UI-7 AM/FM receiver unit is a highly sought-after vintage modification designed specifically for legacy radios like the Icom IC-725, IC-726, and companion models.
: Enables AM transmission (typically at 40W) and full FM operation (typically at 100W). Primary Compatibility Icom IC-725 : Requires UI-7 for AM/FM operation. Icom IC-728 : Requires UI-7 for AM/FM operation. Incompatibility Reinstall and tighten the exterior chassis screws securely
Locate the designated slot for the UI-7 board, usually found near the main unit or RF section depending on the specific model. Mounting the Unit
Before starting the installation, gather the necessary tools and prepare a clean, organized workspace.