Temporarily reconnect the speaker wire harness from the top cover back to the main board.
Remove the screws securing the and remove the cover.
Secure the board using the screws provided with the unit. , as this can damage the PCB or the housing. 4. Reassembly Replace the top and bottom covers of the transceiver. Reconnect the power and antennas. Operational Setup and Usage icom ui7 am fm unit install
The IC-M400BB is a popular black box radio. If it displays “NO UI7,” check:
Align the pin connector on the underside of the UI-7 with the matching socket on the radio's motherboard. Temporarily reconnect the speaker wire harness from the
Align the UI-7 pins with the sockets on the radio's main board.
To access the UI-7's internal components, you'll need to remove the cover. Follow these steps: , as this can damage the PCB or the housing
Remove the radio’s top/side cover
Installing the UI-7 is a straightforward "plug-and-play" operation, but since you are working with sensitive CMOS components, you need to take basic precautions.
Before closing everything up, use the supplied wire tie to neatly bundle the new wire harnesses, keeping them away from any heat sinks or moving parts. Then, carefully replace the radio's covers, ensuring no wires are pinched, and secure them with their screws.
If your kit included a small mounting screw, use it to secure the corner of the UI-7 to the standoff on the chassis. Step 4: Reassembly Reconnect the internal speaker cable if you unplugged it. Place the top cover back on the unit. Replace and tighten the chassis screws. Step 5: Configuration and Testing