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Icom IC-F5123D - Service Manual

Icom IC-F5123D
40 pages
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S-14713XZ-C1
Feb. 2011
VHF MOBILE TRANSCEIVERS

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Icom IC-F5123D Specifications

General IconGeneral
TypeMobile
Frequency Range136-174 MHz
Number of Channels128
Power Output50W
Output Power50W
ModulationFM
Dimensions160 x 40 x 160 mm
Weight1.4 kg
Channel Capacity128
Power Supply13.6 V DC
Operating Voltage13.6 V DC
Channel Spacing12.5/25 kHz
Operating Temperature Range–30°C to +60°C

Summary

Important Safety and Handling Notes

General Cautions and Warnings

Covers essential precautions to prevent damage or hazards when using the transceiver.

Repair and Disassembly Guidelines

Provides critical notes and procedures for safe and effective repair work.

Transceiver Specifications and Features

General Transceiver Specifications

Covers frequency range, channels, power, dimensions, weight, and environmental ratings.

Transmitter Performance Metrics

Details output power, modulation characteristics, frequency stability, and emissions.

Receiver Performance Metrics

Details sensitivity, squelch, selectivity, and audio output characteristics.

Internal Component Identification

Disassembly and Cable Installation

Detailed Circuitry Explanations

Adjustment and Calibration Procedures

Preparation for Adjustments

Lists required equipment and setup for calibration procedures.

Frequency and Sensitivity Adjustments

Guides on calibrating PLL lock voltage and reference frequency.

Transmitter Performance Adjustments

Covers TX power, modulation balance, and FM/digital deviation calibration.

Receive Performance Adjustments

Details calibration for RX sensitivity, S-meter, and squelch levels.

Component Parts Listings

System Diagrams and Voltage Information

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