Sony ICF404 Radio User Manual

The Sony ICF404 is an AM/FM portable radio featuring a built-in speaker, telescopic antenna, tuning knob, volume control, power switch, battery compartment, and headphone jack. It operates on battery power (typically 2 x AA) and is designed for personal listening. 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. Listening to Radio 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, tuning knob, volume control, power switch, battery compartment, headphone jack.

Feature	Description
Telescopic antenna	For improved FM reception; extend fully
Tuning knob	Selects AM/FM stations
Volume control	Adjusts sound level
Power switch	Turns radio on/off
Battery compartment	Holds batteries (typically 2 x AA)
Headphone jack	For private audio listening (3.5mm)
Band selector	Switches between AM and FM bands
Built-in speaker	Provides audio output
Carrying handle	For easy portability
Battery indicator	LED may indicate power status

Installation

Unpack and inspect contents. Place on stable surface or hold securely.

Install batteries: Open battery compartment, insert batteries observing correct polarity (+/-).
Extend antenna: Fully extend telescopic antenna for best FM reception.
Connect headphones: Plug into headphone jack if desired.
Power on: Slide power switch to ON position.

WARNING! Use correct battery type; do not mix old and new batteries. Keep away from water.

First-Time Setup

Power on radio; follow these steps.

Select band: Use band selector to choose AM or FM.
Tune station: Turn tuning knob to desired frequency.
Adjust volume: Set volume to comfortable level.
Fine-tune reception: Adjust antenna direction for clearest signal.

CAUTION! Do not force controls; handle gently to avoid damage.

Specifications

Model: Sony ICF404.
Bands: AM (530-1710 kHz), FM (87.5-108 MHz).
Power Source: 2 x AA batteries (or equivalent).
Output: Built-in speaker; 3.5mm headphone jack.
Antenna: Telescopic for FM; internal ferrite bar for AM.
Dimensions: Compact portable design.
Weight: Lightweight for easy carrying.
Operating Temp: Standard room temperature.

Controls and Settings

All controls are manual; no on-screen display.

Front/Side Panel: Power switch, band selector (AM/FM), tuning knob, volume control, headphone jack, telescopic antenna.

Tuning: Rotate knob slowly to tune stations. Volume: Adjust to desired level. Band Selection: Slide switch to AM or FM. Antenna: Extend fully and orient for best FM reception; rotate radio for AM.

Connecting Devices

Headphones: Standard 3.5mm plug into headphone jack. External antenna: Not typically supported.

Ensure radio is off before connecting headphones.
Insert headphone plug fully into jack.
Power on and adjust volume (lower volume when using headphones).

Tip: Use headphones for private listening; disconnecting headphones restores speaker audio.

Listening to Radio

Supports AM and FM broadcasting.

Power on: Slide switch to ON.
Select band: Choose AM or FM via band selector.
Tune: Rotate tuning knob to desired station frequency.
Adjust volume: Set comfortable listening level.
Optimize reception: For FM, extend antenna fully and adjust direction; for AM, rotate radio position.
Power off: Slide switch to OFF when not in use to conserve batteries.

WARNING! Do not expose to extreme temperatures; keep dry.

Accessibility Features

Headphone jack allows private listening. Large tuning knob and controls aid usability.

Care & Cleaning

Remove batteries before cleaning. Use dry, soft cloth; no liquids or solvents.

CAUTION! Do not immerse in water; avoid abrasive cleaners.

Regulatory Information

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

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Dead batteries	Replace with fresh batteries; check polarity.
Poor FM reception	Antenna not extended	Fully extend telescopic antenna; reposition radio.
Poor AM reception	Interference/location	Move away from electronic devices; rotate radio.
No sound	Volume low/headphones	Increase volume; ensure headphones are disconnected.
Distorted sound	Weak batteries	Replace batteries; check battery contacts.

Reset: Remove batteries for 30 seconds, then reinstall.

Service: Contact Sony support; www.sony.com/electronics/support