Sony ICF-40 - FM/AM Radio Operating Instructions

Sony ICF-40 - FM/AM Radio Operating Instructions

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Sony ICF-40 - FM/AM Radio Operating Instructions


  • Compact radio
  • TUNE indicator for easy tuning

Installing the Batteries

  1. Open the battery compartment lid.
  2. Insert two R03 (size AAA) batteries (not supplied) with correct polarity.
  3. Close the lid.
    Installing the batteries - Example 1

Battery life (Approx. hours) (JEITA*)

When using FM AM
Sony alkaline
LR03 (size AAA)
44 52
Sony R03 (size AAA) 19 22

* Measured by JEITA (Japan Electronics and Information Technology Industries Association) Standards. The actual battery life may vary depending on the circumstance of the unit.

When to replace the batteries
When the sound becomes weak or distorted, replace all batteries with new ones.

Notes on batteries

  • Do not charge the dry batteries.
  • Do not carry the dry batteries with coins or other metallic objects. It can generate heat if the positive and negative terminals of the batteries are accidentally contacted by a metallic object.
  • Do not use different types of batteries at the same time.
  • When you replace the batteries, replace all with new ones.
  • When you are not going to use the unit for a long time, remove the batteries toavoid damage from battery leakage and corrosion.

If the battery compartment lid comes off

The battery compartment lid is designed to come off when opened with excessive force. To put it back on, see the illustration.

  1. Insert the upper hook of the lid into the upper hole in the unit.
  2. Hang the lower hook on the lower part of the compartment where the lid fits.
  3. Slide the lower hook towards the lower hole in the unit.
    If the battery comparement lid comes off - Illustration

Operating the Radio

  1. Set POWER switch to ON.
  2. Select a desired band.
  3. Tune in to a station using TUNING.
    The TUNE indicator lights up when a station is tuned in.
  4. Adjust the volume using VOL.
    Operating the radio - Controls
    There is a tactile dot beside VOL to show the direction to turn up the volume.

To turn off the radio
Set POWER switch to OFF.

To listen with an earphone
Connect the earphone (not supplied) to the (earphone) jack. The speaker is deactivated when an earphone is connected.

Improving the Reception

Improving the reception - Antenna setup
FM: Extend the telescopic antenna and adjust the angle for optimum reception.
AM: Rotate the unit horizontally for optimum reception. A ferrite bar antenna is built into the unit.


  • Adjust the direction of the antenna by holding the bottom of it. The antenna can be damaged when you move the antenna with excessive force.
  • Do not rotate the telescopic antenna.


  • Operate the unit only on 3 V DC with two R03 (size AAA) batteries.
  • The nameplate indicating operating voltage, etc. is located on the bottomexterior.
  • Avoid exposure to temperature extremes, direct sunlight, moisture, sand, dust ormechanical shock. Never leave in a car parked under the sun.
  • Should anything fall into the unit, remove the batteries, and have the unit checked by qualified personnel before operating it any further.
  • In vehicles or buildings, radio reception may be difficult or noisy. Try listening near a window.
  • Since a strong magnet is used for the speaker, keep personal credit cards using magnetic coding or spring-wound watches away from the unit to prevent possible damage from the magnet.
  • When the casing becomes soiled, clean it with a soft dry cloth moistened with mild detergent solution. Never use abrasive cleansers or chemical solvents, as they may deform the casing.

Disposal of Old Electrical & Electronic Equipment

(Applicable in the European Union and other European countries with separate collection systems)

This symbol on the product or on its packaging indicates that this product shall not be treated as household waste. Instead it shall be handed over to the applicable collection point for the recycling of electrical and electronic equipment. By ensuring this product is disposed of correctly, you will help prevent potential negative consequences for the environment and human health, which could otherwise be caused by inappropriate waste handling of this product. The recycling of materials will help to conserve natural resources. For more detailed information about recycling of this product, please contact your local Civic Office, your household waste disposal service or the shop where you purchased the product.

If you have any questions or problems concerning your unit, please consult your nearest Sony dealer.


Frequency range:

FM 87.5-108 MHz
AM 526.5-1 606.5 kHz

Approx. 3.6 cm (1 7/16 inches) dia., 7.2 Ω

(earphone) jack (ø3.5 mm mini jack)

Power output
80 mW (at 10% harmonic distortion)

Power requirements
3V DC, two R03 (size AAA) batteries

Approx. 101.7 × 67.8 × 33.8 mm (w/h/d)
(4 1/8 ×2 3/4 ×1 3/8 inches) incl. projecting parts and controls

Approx. 112.3 g (4.0 oz) incl. batteries

Design and specifications are subject to change without notice.

Lead-free solder is used for soldering.
Halogenated flame retardants are not used in printed wiring boards.

Documents / Resources

Download manual

Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.

Download Sony ICF-40 - FM/AM Radio Operating Instructions


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