Sony XR-4890 Car Stereo Manual

The Sony XR-4890 is a high-performance car stereo featuring Bluetooth connectivity, USB/AUX inputs, AM/FM tuner with 30 presets, 4x50W MOSFET power output, customizable EQ settings, detachable faceplate for security, steering wheel control compatibility, and a multi-color LCD display. 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. Media Playback 8. Bluetooth & Hands-Free 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with detachable faceplate, Remote Control, Wiring harness, Mounting sleeve, User manual.

Feature	Description
Bluetooth Connectivity	For hands-free calling and wireless audio streaming
USB Port	For connecting flash drives or charging devices
AUX Input	3.5mm jack for external audio sources
AM/FM Tuner	30 preset stations (18 FM, 12 AM)
MOSFET Power Output	4 x 50W max power
Detachable Faceplate	Security feature to prevent theft
Steering Wheel Control	Compatible with most vehicle interfaces
EQ Settings	Customizable sound profiles (Rock, Pop, Jazz, etc.)
LCD Display	Multi-color, adjustable illumination
Remote Control	Included for convenient operation

Installation

Unpack and inspect contents. Ensure vehicle is turned off.

Disconnect vehicle battery: Remove negative terminal for safety.
Remove existing stereo: Use appropriate removal tools for your vehicle.
Connect wiring harness: Match colors to vehicle wiring (red=ignition, yellow=battery, black=ground).
Connect antenna: Plug vehicle antenna cable into rear port.
Secure unit: Insert mounting sleeve, slide stereo into place, secure with brackets.
Reconnect battery and test.

WARNING! Incorrect wiring can damage vehicle electrical system. Consult professional if unsure.

First-Time Setup

Power on unit; follow initial configuration.

Set clock: Press SETUP, navigate to Clock Settings.
Program radio presets: Tune to desired station, hold preset button for 2 seconds.
Pair Bluetooth: Enable Bluetooth on phone, select "XR-4890" from device list.
Adjust display: Set brightness and color in Display Settings.
Configure EQ: Select preferred sound profile or create custom.

CAUTION! Do not operate while driving. Park vehicle for initial setup.

Specifications

Power Output: MOSFET 4 x 50W (max), 4 x 20W (RMS).
Tuner: AM/FM with 30 presets.
Frequency Response: 20Hz - 20kHz.
Signal-to-Noise Ratio: >80dB.
Bluetooth Version: 4.2 with A2DP, HFP.
Supported Formats: MP3, WMA, AAC (USB), various (Bluetooth).
Inputs: USB 2.0, 3.5mm AUX.
Display: Multi-color LCD with dimmer control.
Power Supply: 12V DC, negative ground.
Operating Temperature: -20°C to 60°C.

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE, MENU, TUNE/TRACK buttons, EJECT (for optional CD changer).

Remote: POWER, Numeric buttons, SOURCE, VOLUME, MUTE, PRESET, MENU, NAVIGATION arrows.

Audio Settings: Bass, Treble, Balance, Fader, EQ presets (Rock, Pop, Jazz, Classic, Custom). Source Selection: FM/AM, Bluetooth, USB, AUX. Display Settings: Brightness, Color, Dimmer (on/off with headlights). Bluetooth Settings: Pairing, Phonebook access, Call history. System Settings: Clock, Beep tone, Language, Reset.

Connecting Devices

USB: Connect flash drive for music playback. AUX: 3.5mm cable from external device. Bluetooth: Wireless pairing.

Turn off vehicle before connecting wired devices.
Insert USB drive into port (supports up to 64GB FAT32).
Connect AUX cable from device headphone jack to AUX input.
Select source via SOURCE button (USB, AUX, BT).

Tip: Format USB drive as FAT32 for best compatibility.

Media Playback

Supports USB audio files, Bluetooth streaming.

USB playback: Insert drive, select USB source, navigate folders with TUNE knob.
Play/Pause: Press TUNE knob.
Skip tracks: Rotate TUNE knob or press TRACK buttons.
Repeat/Shuffle: Press MENU during playback to access modes.
Folder navigation: Press and hold TUNE knob to jump folders.
Bluetooth audio: Pair device, select BT source, control playback from phone or stereo.

WARNING! Do not remove USB drive during playback. Eject via menu first.

Bluetooth & Hands-Free

Pairing: Enable BT on phone, select "XR-4890" from list, enter PIN 0000 if prompted. Hands-Free: Answer/end calls with PHONE button, reject with long press. Voice Dial: Press and hold PHONE button to activate phone voice assistant. Phonebook: Sync contacts via BT settings menu.

Care & Maintenance

Detach faceplate when parked for security. Clean with dry microfiber cloth; avoid liquids.

CAUTION! Do not use chemicals on display. Store faceplate in protective case.

Regulatory Information

FCC ID: AK8XR4890. Complies with FCC Part 15 Class B. This device complies with Industry Canada license-exempt RSS standard(s). Bluetooth® is a registered trademark of Bluetooth SIG, Inc. Copyright © Sony Corporation. For support, visit www.sony.com/audio or contact 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/fuse	Check connections; verify vehicle fuse (10-15A) for radio circuit.
Bluetooth not pairing	Distance/previous pairings	Ensure phone within 3ft; delete old pairings on phone; reset stereo BT.
USB not recognized	Format/capacity	Reformat as FAT32; use drive under 64GB; check for file corruption.
Poor radio reception	Antenna connection	Ensure antenna cable fully inserted; check antenna condition.
No sound from speakers	Settings/wiring	Check balance/fader settings; verify speaker wire connections.

Reset: Hold MENU button for 10 seconds to factory reset.

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