Sony WALKMAN SRF-86 Radio User Manual

The Sony WALKMAN SRF-86 is a portable AM/FM stereo radio with a built-in cassette player, featuring a digital tuner with preset stations, auto-reverse playback, Mega Bass sound enhancement, a telescopic antenna, stereo headphones, and operates on two AA batteries or an optional AC adapter. 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. Playing Cassette Tapes 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital AM/FM tuner, Cassette player with auto-reverse, Headphone jack, Telescopic antenna, Battery compartment, AC adapter input.

Feature	Description
Digital Tuner	AM/FM stereo with 10 preset stations (5 AM, 5 FM)
Cassette Player	Auto-reverse playback, Dolby B noise reduction
Mega Bass	Sound enhancement for deeper bass
Telescopic Antenna	For improved FM reception
Headphone Jack	3.5mm stereo output for private listening
AC Adapter Input	For optional AC-E10A adapter (DC 3V)
Battery Compartment	Holds two AA batteries
LCD Display	Shows frequency, tape direction, battery level
TAPE/RADIO Switch	Selects between radio and cassette modes
VOLUME Control	Adjusts audio output level

Installation

Unpack and inspect contents. Place on stable surface or use as portable device.

Install batteries: Open battery compartment, insert two AA batteries observing polarity.
Extend antenna: Pull telescopic antenna fully for best FM reception.
Connect headphones: Plug stereo headphones into headphone jack.
Optional AC adapter: Connect AC-E10A adapter to DC IN jack.

WARNING! Do not mix old and new batteries or different battery types. Remove batteries if not used for extended periods.

First-Time Setup

Power on radio; follow these initial steps.

Set TAPE/RADIO switch to RADIO position.
Tune to station: Use TUNING buttons to find desired AM/FM station.
Save presets: Hold MEMORY button, then press preset number (1-5) for current station.
Adjust volume: Turn VOLUME control to comfortable listening level.
Engage Mega Bass: Press BASS button to enhance low frequencies.

CAUTION! Keep away from magnetic fields which may affect tape playback.

Specifications

Tuner Section: AM 530-1710 kHz, FM 87.5-108 MHz.
Cassette Section: Auto-reverse, playback only, Dolby B NR.
Output: Headphone jack (3.5mm stereo, 16Ω).
Power Source: Two AA batteries (DC 3V) or AC adapter (DC 3V).
Battery Life: Approx. 25 hours (alkaline batteries).
Dimensions: 114 x 78 x 29 mm.
Weight: Approx. 170g (without batteries).
Operating Temp: 5°C to 40°C.

Controls and Settings

Front Panel: TAPE/RADIO switch, VOLUME control, PLAY/STOP, FF/REW, TUNING buttons.

Additional Controls: MEMORY (store presets), BASS (Mega Bass on/off), AUTO/MANUAL (FM tuning mode), BAND (AM/FM selection).

Radio: Manual/auto tuning, preset memory (10 stations), stereo/mono switching. Cassette: Play, stop, fast forward, rewind, auto-reverse, Dolby B noise reduction. Audio: Volume control, Mega Bass enhancement.

Connecting Devices

Headphones: 3.5mm stereo jack. AC adapter: DC IN jack.

Turn volume to minimum before connecting headphones.
Use only Sony AC-E10A adapter or equivalent (DC 3V, center positive).
For external antenna: Connect to AM external antenna terminal if available.

Tip: Use fresh alkaline batteries for best performance and longest life.

Playing Cassette Tapes

Supports standard audio cassettes (Type I Normal).

Insert cassette: Open cassette door, insert tape with exposed tape facing outward.
Play: Press PLAY button; tape will play automatically.
Auto-reverse: Tape automatically reverses at end of side and continues playback.
Stop: Press STOP button to halt playback.
Fast forward/rewind: Press FF or REW buttons while stopped.
Dolby B: Engage Dolby noise reduction for tapes recorded with Dolby B.
Eject: Press STOP, then open cassette door to remove tape.

WARNING! Do not expose tapes to direct sunlight, heat, or magnetic fields.

Accessibility Features

Mono/stereo switch: For FM stations with weak signal, switch to mono for clearer reception. Large controls: Designed for easy operation. Headphone jack: Allows private listening without disturbing others.

Care & Cleaning

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

Cassette heads: Clean periodically with cotton swab and head cleaning fluid.

CAUTION! Never spray cleaning fluids directly onto unit. Keep away from water and moisture.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © Sony Corporation. All rights reserved. For support, visit www.sony.com/electronics/support or contact Sony Customer Service at 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Dead batteries	Replace with fresh AA batteries; check polarity.
Poor FM reception	Antenna not extended	Fully extend telescopic antenna; reposition unit.
Cassette won't play	Tape not inserted properly	Eject and reinsert tape; ensure it's not write-protected.
Distorted sound	Volume too high	Reduce volume level; check battery strength.
Presets lost	Batteries removed	Presets are maintained for about 1 minute after battery removal.
Auto-reverse not working	Dirty tape head	Clean tape head with cleaning cassette or swab.

Reset: Remove batteries for 1 minute to reset all settings.

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