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Sony ICF-SW100 Service Manual

Sony ICF-SW100
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Table of Contents

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Sony ICF-SW100 Specifications

General IconGeneral
BrandSony
ModelICF-SW100
CategoryReceiver
LanguageEnglish

Summary

Specifications

Frequency Range

Details the frequency coverage for FM, SW, MW, and LW bands.

Dimensions and Mass

Provides physical size and weight specifications of the unit.

Accessories Supplied

Lists the items included with the ICF-SW100S and ICF-SW100E.

Location and Function of Controls

Front and Rear Controls

Identifies and describes controls on the front and rear panels.

Display Indicators

Explains the meaning of various symbols and indicators on the display.

Control Panel Functions

Details the function of each button on the control panel.

Power Sources

Setting the Clock

Clock and Time Features

Time Difference Information

Lists time differences between various locations and UTC.

Finding Out Current Time

Describes how to check the time in different world locations.

Tuning by Preset Station Name

Explains how to tune to pre-saved stations using memory pages.

Tuning Operations

Direct Tuning

Instructions for tuning directly by entering the frequency.

Manual Tuning

Guide for tuning stations manually using frequency steps.

Station Selection Methods

Scan Tuning

How to automatically scan for broadcast stations within a band.

Presetting a Station

Steps to store favorite stations into memory for quick access.

Radio Functions

Editing Labels

How to customize labels for preset stations or time zones.

Using the Standby Function

Instructions for setting the radio to turn on or off automatically.

Advanced Radio Features

Using the Sleep Timer

How to set the radio to turn off automatically after a set time.

Reception Tips

Advice for improving reception, including antenna usage.

Recording Radio Programs

SECTION 2 DISASSEMBLY

2-1. Cabinet (Rear) (Lid)

Procedure for disassembling the rear cabinet or lid of the unit.

2-2. Chassis

Steps for accessing and removing the main chassis of the unit.

SECTION 3 ELECTRICAL ADJUSTMENTS

AM Section Adjustments

Details adjustments for the AM tuning and reception circuits.

1st IF Adjustment

Procedure for adjusting the first intermediate frequency stage.

FM Section Adjustments

FM Frequency Coverage Adjustment

Adjusting the VCO voltage for FM frequency range coverage.

FM Tracking Adjustment

Fine-tuning the FM circuit for optimal tracking across frequencies.

FM Stereo Adjustment

Adjusting the FM stereo reception circuit for clarity.

Signal Adjustments

SD Adjustment

Adjustment related to the signal detection circuit.

SSB Zero Beat Adjustment

Setting the zero beat for Single Side Band reception.

SECTION 4 DIAGRAMS

4-1. IC Pin Functions

Pin assignments for key integrated circuits in the synthesizer control.

System Diagrams

4-2. Block Diagram

High-level overview of the radio's functional blocks and interconnections.

Component Layouts and Schematics

4-3. Semiconductor Lead Layouts

Visual guides showing the pin configurations of semiconductor components.

4-4. Schematic Diagram - Active Antenna

Circuit diagram for the AN-100 active antenna section.

Printed Wiring Board Diagrams

4-5. Printed Wiring Board - Active Antenna

Layout of the printed circuit board for the AN-100 active antenna.

Tuner Section Diagrams

4-6. Printed Wiring Board - Tuner

Component placement on the tuner section's printed circuit board.

4-7. Schematic Diagram - Tuner

Circuit diagram detailing the tuner section's electronic components.

Control Section Diagrams

4-8. Schematic Diagram - Control

Circuit diagram for the radio's control and microcomputer sections.

Control Board Layouts

4-9. Printed Wiring Board - Control

Component layout on the control section's printed circuit board.

SECTION 5 EXPLODED VIEWS

5-1. Main Section

Exploded view showing the assembly of the radio's main body.

5-2. Active Antenna (AN-100) Section

Exploded view illustrating the assembly of the AN-100 active antenna.

SECTION 6 ELECTRICAL PARTS LIST

Active Antenna Components

List of electrical parts used in the active antenna.

Key Microcomputer Parts List

Key Board Components

List of electrical components for the key input board.

Microcomputer and Signal Board Parts List

Microcomputer Board Components

List of electrical parts for the microcomputer board.

Signal Board Components

List of electrical components for the signal board.

Miscellaneous and Accessories

Miscellaneous Items

Lists other parts like PC boards, cords, and speakers.

Supplied Accessories

Details the various accessories supplied with the radio.

SUPPLEMENT - 4

Board Suffix Changes

Information on changes to the Key, Microcomputer, and Signal boards.

Microcomputer Change

Details the change in the microcomputer IC102 and related components.

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