Sony ICF-28 Radio User Manual

The Sony ICF-28 is a compact AM/FM portable radio featuring a built-in speaker, telescopic antenna, headphone jack, and battery operation. It offers easy tuning, volume control, and clear sound 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, headphone jack, battery compartment, tuning knob, volume control.

Feature	Description
Telescopic antenna	For improved FM reception; extend fully for best results
Headphone jack	For private listening (3.5mm standard)
Battery compartment	Holds batteries for portable operation
AM/FM band selector	Switches between AM and FM radio bands
Tuning knob	Manual tuning for precise station selection
Volume control	Adjusts sound output level
Power switch	Turns radio on/off
Built-in speaker	Provides clear audio output
Carrying handle	For easy portability
Battery indicator	LED shows power status

Installation

Unpack and inspect contents. Place on stable surface or use carrying handle.

Install batteries: Open battery compartment, insert batteries as indicated (+/-).
Extend antenna: Pull telescopic antenna fully out for FM reception.
Connect headphones: Plug into headphone jack for private listening.
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 AM/FM switch to choose desired radio band.
Tune station: Turn tuning knob slowly to find desired station.
Adjust volume: Set volume control to comfortable listening level.
Fine-tune antenna: Adjust telescopic antenna for clearest FM reception.

CAUTION! Do not force tuning knob; turn gently. Keep antenna away from obstructions.

Specifications

Model: Sony ICF-28 Portable Radio.
Bands: AM (530-1710 kHz), FM (88-108 MHz).
Power Source: 2 x AA batteries (not included) or optional AC adapter.
Speaker: Built-in dynamic speaker.
Headphone Output: 3.5mm stereo jack.
Antenna: Telescopic for FM; internal ferrite bar for AM.
Dimensions: Compact portable design.
Weight: Lightweight for easy carrying.
Operating Temp: 0°C to 40°C (32°F to 104°F).

Controls and Settings

All controls are located on front/side panels. Front Panel: Power switch, tuning knob, volume control, AM/FM selector.

Side/Back: Headphone jack, battery compartment, telescopic antenna.

Tuning: Manual tuning via knob; fine-tune for clear reception. Volume: Rotate knob clockwise to increase volume. Band Selection: Slide switch to AM or FM position. Antenna: Extend fully for FM; rotate radio for best AM reception.

Connecting Devices

Headphones: Standard 3.5mm plug. AC Adapter: Optional for continuous power (use Sony-approved adapter).

Turn off radio before connecting devices.
Insert headphone plug fully into jack.
For AC adapter, plug into DC input (if available) and wall outlet.

Tip: Use headphones for private listening; disconnect when not in use to save battery.

Listening to Radio

Supports AM and FM radio reception.

Power on: Slide power switch to ON.
Select band: Choose AM or FM with selector switch.
Tune station: Turn tuning knob slowly until station is clear.
Adjust volume: Set to desired level.
Optimize reception: Extend FM antenna fully; rotate radio for AM.
Use headphones: Plug in for private listening.
Power off: Slide switch to OFF when not in use.

WARNING! Do not expose to extreme temperatures; battery leakage may occur.

Accessibility Features

Large tuning knob for easy operation. Clear AM/FM markings. Headphone jack for private listening. Battery indicator shows power status.

Care & Cleaning

Remove batteries before cleaning. Use dry, soft cloth; do not use liquids or abrasive cleaners.

CAUTION! Do not immerse in water; keep antenna clean and dry.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound/power	Dead batteries	Replace with fresh AA batteries; check polarity.
Poor FM reception	Antenna not extended	Fully extend telescopic antenna; reposition radio.
Weak AM reception	Radio position	Rotate radio for best reception; avoid metal surfaces.
Distorted sound	Volume too high/low batteries	Reduce volume; replace batteries if sound is weak.
Headphones not working	Loose connection	Ensure plug is fully inserted; try different headphones.

Reset: Remove batteries for 30 seconds, then reinstall.

Service: Contact Sony support; authorized service centers only.