Look for the main "PLL" or "Main" board. On most compatible Icom models, there is a dedicated, outlined space marked for the optional UI-7 unit.
Touch a grounded metal object before touching the internal boards to avoid frying the integrated circuits. Step 1: Accessing the Interior icom ui7 am fm unit install
With the unit installed and the internal connections verified, the reassembly process begins. It is prudent, however, to perform a "smoke test" before screwing the cover back on. This involves connecting the radio to a power supply and switching it on while monitoring for any unusual sounds, smells, or smoke. If the radio powers up normally, the operator can navigate to the function menu or band selection to test the new AM/FM capabilities. Look for the main "PLL" or "Main" board
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 Step 1: Accessing the Interior With the unit
HF transceiver to enable AM transmission and FM transmit/receive capabilities. While the IC-725 front panel has "AM/FM" buttons by default, they are non-functional for transmission unless this board is physically installed.