Fm Unit Fix | Icom Ui7 Am
The Icom UI-7 is an optional internal expansion board designed to add FM transmit/receive and AM transmit capabilities to specific Icom HF transceivers. It is most commonly used to upgrade the Icom IC-725 and IC-728 radios. Key Functions
- Dual Mode Operation: The UI-7 unit supports both AM and FM modes, allowing users to switch between these two modes with ease. This versatility makes it suitable for various applications, including amateur radio, marine communication, and land mobile communication.
- Frequency Range: The unit covers a wide frequency range, from 76 to 108 MHz (FM) and 530 to 1710 kHz (AM), ensuring that users can access a broad spectrum of channels and frequencies.
- High-Quality Audio: The Icom UI-7 unit is equipped with a high-quality speaker and advanced audio circuitry, providing clear and crisp audio reproduction. This ensures that users can communicate effectively, even in noisy environments.
- Compact Design: The unit's compact design makes it easy to install and integrate into various systems, including vehicles, boats, and fixed communication stations.
- User-Friendly Interface: The UI-7 unit features an intuitive interface, with a simple and easy-to-use control panel that allows users to navigate and adjust settings with ease.
Location: The board is installed inside the radio's chassis, typically plugging into the bottom area of the main unit. icom ui7 am fm unit
IC-M506 Service Manual(look for section titled “UI7 AM/FM Unit”)UI-7 Control Head Service Manual(standalone document)
6. Advantages Over Separate Car Radio
- Single speaker system
- No additional power switch – powers on/off with main radio
- Professional integration (muting, priority)
- Smaller footprint
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"UI-7" "AM FM" Icom service manual filetype:pdf The Icom UI-7 is an optional internal expansion
- Internal Speaker: Connect two 4-ohm marine speakers directly to the UI7’s speaker wires (Blue/Blue-White & Gray/Gray-White).
- Line-Out to Amplifier: Use the RCA jacks to send signal to a multi-channel marine amp (e.g., JL Audio or Wet Sounds).
- VHF Integration: Connect the UI7’s accessory cable to the Icom VHF’s remote jack. This allows the radio to "steal" the audio during transmissions.
Online Auctions: eBay and QRZ.com classifieds are the most common sources. Dual Mode Operation : The UI-7 unit supports