Sony ICF-R40 Radio User Manual

The Sony ICF-R40 is a compact, portable AM/FM radio featuring a built-in speaker, headphone jack, telescopic antenna, and battery or AC power operation. It offers easy tuning, volume control, and a simple interface for clear audio reception. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Operation Guide 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: AM/FM tuner, built-in speaker, telescopic antenna, headphone jack, battery compartment, AC power input.

Feature	Description
AM/FM Tuner	Receives AM and FM radio broadcasts
Telescopic Antenna	Extends for improved FM reception
Built-in Speaker	Provides clear audio output
Headphone Jack	For private listening (3.5mm)
AC Power Input	For operation with AC adapter (sold separately)
Battery Compartment	Holds batteries for portable use
Tuning Control	Manual dial for selecting stations
Volume Control	Rotary knob for adjusting sound level
Power Switch	Turns radio on/off
Band Selector	Switches between AM and FM modes

Installation

Unpack and inspect contents. Place on stable, dry surface.

Insert batteries: Open battery compartment, insert batteries observing correct polarity.
Extend antenna: Pull telescopic antenna upward for FM reception.
Connect AC adapter (optional): Plug adapter into DC input jack and wall outlet.
Position radio: Place away from metal objects and electronic devices for best reception.

WARNING! Use only recommended battery type. Do not mix old and new batteries.

First-Time Setup

Power on radio; follow simple tuning steps.

Select band: Slide BAND switch to AM or FM.
Tune station: Turn TUNING dial slowly to find desired station.
Adjust volume: Rotate VOLUME knob to comfortable level.
Fine-tune reception: Adjust antenna direction and radio position for clearest sound.

CAUTION! Keep radio away from water and extreme temperatures.

Specifications

Model: Sony ICF-R40.
Bands: AM (530-1710 kHz), FM (87.5-108 MHz).
Power Supply: 3V DC (2 x AA batteries) or AC adapter (optional).
Speaker: Dynamic speaker (8 ohm).
Headphone Output: 3.5mm stereo jack.
Antenna: Built-in ferrite bar (AM); telescopic whip (FM).
Dimensions: Approx. 130mm (W) x 75mm (H) x 30mm (D).
Weight: Approx. 200g (without batteries).
Operating Temp: 0°C to 40°C.

Controls and Settings

Front Panel: POWER switch, BAND selector, TUNING dial, VOLUME knob.

Side/Rear: Headphone jack, DC input jack, battery compartment.

Tuning: Rotate TUNING dial slowly for station selection. Volume: Adjust VOLUME knob clockwise to increase. Band Selection: Slide BAND switch left for AM, right for FM. Antenna: Extend fully for FM; rotate radio for AM.

Connecting Devices

Headphones: Plug into headphone jack. AC Adapter: Connect to DC input.

Turn off radio before connecting devices.
Insert headphone plug fully into jack.
Use only Sony-recommended AC adapter (model specified in manual).

Tip: Disconnect headphones to resume speaker audio.

Operation Guide

Basic listening and tuning procedures.

Power on: Slide POWER switch to ON position.
Select band: Choose AM or FM with BAND switch.
Tune: Rotate TUNING dial until station is clear.
Adjust volume: Set desired level with VOLUME knob.
Use headphones: Plug in for private listening (disables speaker).
Power off: Slide POWER switch to OFF when not in use.

WARNING! Do not expose to rain or moisture. Replace batteries if leakage occurs.

Accessibility Features

Large, tactile controls for easy operation. Headphone jack for private listening. Simple interface suitable for all users.

Care & Cleaning

Remove batteries before cleaning. Wipe exterior with soft, dry cloth. Do not use solvents or abrasive cleaners.

CAUTION! Never immerse in water. Keep battery compartment dry.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © Sony Corporation. For support, visit www.sony.com/electronics/support or contact Sony customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Dead batteries/switch	Replace batteries; ensure POWER switch is ON.
Poor reception	Antenna/position	Extend FM antenna fully; reposition radio for AM.
No sound	Volume/headphones	Increase volume; unplug headphones if connected.
Distorted sound	Weak batteries/signal	Replace batteries; adjust antenna or location.
Station drift	Interference/batteries	Move away from electronics; replace batteries.

Reset: Remove batteries for 1 minute, then reinsert.

Service: Contact Sony support or authorized service center.