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Icom IC F110S User Manual

Icom IC F110S
74 pages
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SERVICE
MANUAL
VHF TRANSCEIVER
iF110S
iF111S
iF121S

Table of Contents

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Icom IC F110S Specifications

General IconGeneral
BrandIcom
ModelIC F110S
CategoryTransceiver
LanguageEnglish

Summary

Introduction and Safety Precautions

Danger Warnings

Critical safety warnings regarding power supply voltage and liquid exposure.

Ordering Replacement Parts

Details the required information for ordering replacement parts.

Repair Notes and Guidelines

Provides essential guidelines and precautions for safe and effective transceiver repair.

Explicit Definitions

Section 1 Specifications

Section 2 Inside View

Section 3 Disassembly Instructions

Section 4 Circuit Description

4-1 Receiver Circuits

Explains the functional blocks and operation of the transceiver's receiver section.

4-2 Transmitter Circuits

Details the functional blocks and operation of the transceiver's transmitter section.

4-3 PLL Circuits

Describes the Phase-Locked Loop (PLL) circuits responsible for frequency control.

4-4 Power Supply Circuits

Explains the power supply circuits and voltage distribution within the transceiver.

4-5 Port Allocations

Details the function and connection of various input/output ports on the transceiver.

Section 5 Adjustment Procedures

5-1 Preparation

Outlines the necessary system requirements and software for performing adjustments.

5-2 PLL Adjustment

Guides on adjusting the PLL lock voltage for stable frequency operation.

5-3 Software Adjustment

Details the software-based adjustments for reference frequency and output power.

5-4 Trimmer Adjustment

Explains how to adjust the beep volume using a trimmer potentiometer.

Section 6 Parts List

Section 7 Mechanical Parts

Section 8 Semi-Conductor Information

Section 9 Board Layouts

9-1 Front Unit Layout

Shows the component layout on the front unit's circuit board.

9-2 Main Unit Layout

Illustrates the component placement on the main unit's circuit board.

Section 10 Block Diagram

Section 11 Voltage Diagrams

11-1 Front Unit Voltage Diagrams

Provides voltage diagrams for the front unit of the transceiver.

11-2 Main Unit Voltage Diagrams

Offers voltage diagrams for the main unit of the transceiver.

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