It is also used in the IC-729 , but it is not required for the IC-726, which has these modes built-in. Expansion Capabilities
This guide walks you through the installation process, with a specific focus on the power, grounding, and antenna requirements of this AM/FM-capable unit.
: Ensure the radio is completely disconnected from the DC power source before starting to prevent equipment damage. Gather Tools
Once successful operational status is verified, power down the radio and disconnect the power supply once more. Step 6: Reassembling the Transceiver icom ui7 am fm unit install
: Always ensure the power source does not exceed 16 V DC when testing, as higher voltages can ruin the transceiver.
Carefully lift the cover. Be mindful of any internal speaker wires attached to the top plate; you may need to gently unplug the speaker connector to set the cover aside. Step 2: Locating the UI-7 Mounting Position
A: The most likely cause is a loose connection. Immediately power down, open the radio back up, and . Double-check that the brown wire is attached to both J5 and J3. A single loose pin can prevent the radio from booting correctly. It is also used in the IC-729 ,
Let me know how I can help you ! hf all band transceiver - ic-725 - PY5SG
Orient the radio with the front panel facing toward you. Look at the main circuit board assembly (often labeled or positioned near the rear-left quadrant of the exposed belly of the radio). Look for a designated, empty rectangular space with an open multi-pin male or female header connector on the main board. This area is typically silkscreened with a label indicating "UI-7" or "AM/FM UNIT." 3. Prepare the UI-7 Unit
: Secure the UI-7 board into its designated socket on the main circuit board. Connect the Interface Cables Locate the cables intended for connectors on the UI-7 board and seat them firmly. Connect the brown wire from point on the UI-7 unit to Gather Tools Once successful operational status is verified,
: To protect the radio's exterior finish during disassembly. Phase 1: Safety and Preparation
Once installed, the radio needs to know the unit is present. Most models, like the