The Icom IC-M504 is a robust Marine VHF Radio designed for reliable marine communication. This VHF Marine Transceiver operates on a 12V DC power source and features a wide frequency range of 156.000-161.450 MHz with 25 kHz channel spacing. Its engineering is evident in its high transmission power of 25W and low power of 1W, coupled with an 8W sidetone audio output for clear sound. The device is built to withstand marine environments, boasting an IPX7 waterproof rating and the innovative AquaQuake® draining function for its microphone.

This Service Repair Manual/Guide, provided in English, offers comprehensive coverage for the Icom IC-M504. It details essential repairs and maintenance procedures, including troubleshooting steps, recommended maintenance schedules, and technical specifications. The manual is an indispensable resource for owners, mechanics, and technicians, providing the necessary information to ensure the optimal performance and longevity of the IC-M504 through effective upkeep and repair.