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ICOM HM-90 Cordless Microphone

This document provides a detailed circuit diagram for the ICOM HM-90 cordless microphone. It outlines the electronic components and their interconnections, essential for understanding the operational principles of this radio communication device.

The schematic illustrates the internal circuitry, including various integrated circuits (ICs), transistors, resistors, capacitors, and other electronic parts that facilitate the microphone's functionality. This technical information is valuable for technicians and enthusiasts involved in radio equipment maintenance or study.

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