Sony Walkman SRF-56 Radio User Manual

The Sony Walkman SRF-56 is a compact, lightweight AM/FM stereo radio with headphones, featuring digital tuning, preset stations, auto-scan, bass boost, and a built-in telescopic antenna. Powered by two AA batteries, it offers up to 50 hours of playback. 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 Headphones 7. Tuning and Presets 8. Battery Information 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: AM/FM tuner, Digital display, Headphone jack, Telescopic antenna, Battery compartment, Control buttons.

Feature	Description
AM/FM Stereo Tuner	Receives AM and FM stereo broadcasts
Digital Tuning	Precise station selection with LCD display
Preset Stations	Store up to 10 favorite stations (5 AM, 5 FM)
Auto-Scan	Automatically finds and plays available stations
Bass Boost	Enhances low-frequency sound
Telescopic Antenna	Extends for improved FM reception
Headphone Jack	Standard 3.5mm stereo output
Battery Indicator	LCD shows remaining battery life
Power/Source Button	Turns radio on/off and switches between AM/FM
Volume Control	Adjusts audio output level

Installation

Unpack and inspect contents. Ensure all components are present.

Insert batteries: Open battery compartment, insert two AA batteries observing correct polarity.
Extend antenna: Pull telescopic antenna fully out for best FM reception.
Connect headphones: Plug stereo headphones into the headphone jack.
Power on: Press and hold POWER button for 2 seconds.

WARNING! Do not use damaged batteries. Keep batteries away from children.

First-Time Setup

Power on radio; follow initial setup procedure.

Select band: Press SOURCE button to choose AM or FM.
Auto-tune stations: Press and hold SCAN button to automatically search and store stations.
Set presets: Tune to desired station, press and hold a number button (1-5) for 3 seconds.
Adjust bass: Press BASS button to enable/disable bass boost.
Set sleep timer: Press SLEEP button to set automatic shut-off (15-90 minutes).

CAUTION! Use only recommended battery type. Remove batteries if not used for extended periods.

Specifications

Tuning Range: FM 87.5-108 MHz, AM 530-1710 kHz.
Power Supply: 2 x AA batteries (DC 3V).
Battery Life: Approx. 50 hours (alkaline batteries).
Output: Headphone jack (3.5mm stereo).
Antenna: Built-in telescopic antenna (FM), internal ferrite bar (AM).
Dimensions: 85mm x 125mm x 25mm.
Weight: 150g (without batteries).
Operating Temperature: 0°C to 40°C.
Accessories Included: Stereo headphones, carrying case, user manual.

Controls and Settings

Front Panel: POWER/SOURCE, VOLUME UP/DOWN, TUNING UP/DOWN, SCAN, BASS, SLEEP, PRESET buttons 1-5.

Display Indicators: AM/FM band, frequency, preset number, battery level, stereo indicator, bass boost.

Tuning: Manual tuning with TUNING buttons; Auto-scan with SCAN button. Audio: Volume control; Bass boost on/off. Presets: Store 10 stations (5 per band); Recall with single press of number buttons. Sleep Timer: Set automatic shut-off in 15-minute increments.

Connecting Headphones

Use standard 3.5mm stereo headphones only.

Ensure radio is powered off.
Insert headphone plug fully into jack.
Power on radio and adjust volume to minimum before increasing.

Tip: For best stereo separation, use quality headphones. Do not use headphones at high volume for extended periods.

Tuning and Presets

Supports both manual and automatic tuning methods.

Select band: Press SOURCE to toggle between AM and FM.
Manual tuning: Press TUNING UP/DOWN to change frequency in increments.
Auto-scan: Press SCAN to automatically find next strong station.
Store preset: Tune to station, press and hold number button (1-5) until beep confirms.
Recall preset: Press corresponding number button for instant station access.
Clear preset: Press and hold CLEAR button while selecting preset number.

WARNING! Extend antenna fully for FM reception. For AM, rotate radio for best reception.

Battery Information

Battery Type: 2 x AA batteries (alkaline recommended). Battery Life: Up to 50 hours. Battery Indicator: Display shows battery level (full, medium, low, empty).

Battery Replacement:

Power off radio.
Open battery compartment cover.
Remove old batteries observing polarity.
Insert new batteries with correct polarity (+/-).
Close compartment securely.

CAUTION! Do not mix old and new batteries. Do not mix battery types.

Care & Cleaning

Remove batteries before cleaning. Use soft, dry cloth only; do not use solvents or abrasives.

CAUTION! Avoid water and liquid cleaners. Keep away from extreme temperatures and humidity.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. This device complies with Part 15 of the FCC Rules. Copyright © Sony Corporation. Sony and Walkman are trademarks of Sony Corporation. For support, visit www.sony.com/electronics/support or contact 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Dead batteries	Replace with fresh AA batteries.
Poor FM reception	Antenna not extended	Fully extend telescopic antenna.
No sound from headphones	Volume low/connection	Increase volume; ensure headphones fully plugged in.
Presets not saving	Batteries low	Replace batteries; reprogram presets.
Display dim or blank	Low battery	Replace batteries immediately.
Auto-scan not working	Weak signal area	Move to location with better reception; extend antenna.

Reset: Remove batteries for 30 seconds, then reinsert to reset microcomputer.

Service: 1-800-222-7669; www.sony.com/electronics/support