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Icom ic-f5021 Service Manual

Icom ic-f5021
38 pages
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S-14524XZ-C1
Feb. 2009
VHF MOBILE TRANSCEIVERS

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Icom ic-f5021 Specifications

General IconGeneral
Frequency Range136-174 MHz
Channel Capacity128 channels / 8 zones
Number of Channels128
ModeFM
Modulation16K0F3E
Channel Spacing12.5 / 25 kHz

Summary

Section 1: Specifications Overview

Transmitter Specifications

Details transmitter parameters including power, deviation, and emissions.

Section 5: Circuit Description

Receiver Circuits

Detailed explanation of receiver RF, IF, and AF circuits.

Transmitter Circuits

Covers microphone, AF, modulation, and amplifier circuits.

Frequency Synthesizer Circuits

Explains VCOs and PLL operation for frequency control.

Section 6: Adjustment Procedure

Frequency Adjustment

Guides on adjusting frequency parameters using the utility software.

Transmit Adjustment

Details on adjusting output power, modulation balance, and deviation.

Receive Adjustment

Procedures for tuning receive sensitivity, S-meter, and squelch levels.

Section 11: Block Diagram

Section 12: Voltage Diagram

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