Sony CDX-L490X Car Stereo Manual

The Sony CDX-L490X is a single-DIN car stereo featuring CD/MP3/WMA playback, AM/FM tuner with 30 presets, front auxiliary input, detachable faceplate security, 4 x 52W max power output, bass boost, and a customizable 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. Playing Media 8. Security Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with CD slot, Detachable Faceplate, Remote Control (optional), Wiring harness, Antenna connector, Front AUX-IN jack.

Feature	Description
CD/MP3/WMA Playback	Plays standard audio CDs and MP3/WMA files from CD-R/RW
AM/FM Tuner	30 station presets (18 FM, 12 AM)
Front AUX Input	3.5mm jack for connecting portable audio devices
Detachable Faceplate	Security feature to prevent theft
Power Output	4 x 52W max (typically 4 x 20W RMS)
Bass Boost	Adjustable low-frequency enhancement
Display	Customizable illumination (green/amber)
Audio Controls	Bass, Treble, Balance, Fader
Power & Volume Knob	Combined function for on/off and volume adjustment
Eject Button	Ejects CD from slot

Installation

Unpack and inspect contents. Ensure vehicle is off and battery disconnected.

Prepare wiring: Match vehicle harness to stereo harness (power, ground, speakers, ignition).
Mount unit: Insert into DIN slot in dashboard; secure with mounting sleeve and brackets.
Connect antenna: Plug vehicle antenna cable into rear connector.
Reconnect battery and test functions before final assembly.

WARNING! Incorrect wiring can cause damage or fire. Follow vehicle-specific wiring diagram. Use included fuse.

First-Time Setup

Reconnect vehicle battery; power on stereo.

Set clock: Press and hold CLOCK button, use TUNE/SEEK to adjust time.
Program radio presets: Tune to desired station, press and hold a numbered button (1-6) to store.
Adjust audio settings: Use BASS/TREBLE, BALANCE/FADER for optimal sound.
Customize display: Press DIMMER to switch between green and amber illumination.

CAUTION! Ensure faceplate is securely attached during operation. Do not remove while unit is powered on.

Specifications

Form Factor: Single-DIN (178mm x 50mm).
Playback Formats: CD-DA, CD-R/RW, MP3, WMA.
Tuner: FM 87.5-108 MHz, AM 530-1710 kHz.
Output Power: 52W x 4 max (20W x 4 RMS).
Audio Controls: Bass, Treble, Balance, Fader, Bass Boost.
Inputs: Front 3.5mm AUX-IN.
Security: Detachable faceplate.
Power Supply: 12V DC, negative ground.
Operating Temp: 32°F to 158°F (0°C to 70°C).

Controls and Settings

Front Panel: Power/Volume knob, Eject, Source (changes between CD/Tuner/AUX), Audio button (cycles Bass/Treble/Balance/Fader).

Remote (optional): Power, Volume, Track/Station Seek, Source, Mute, Number buttons.

Audio: Adjust BASS/TREBLE (-7 to +7), BALANCE/FADER (L/R, F/R). Tuner: Manual tuning with TUNE/SEEK; preset recall. Display: DIMMER toggles color; CLOCK sets time. Setup: Reset function returns all settings to factory defaults.

Connecting Devices

AUX Input: Front 3.5mm jack for portable players. Speaker outputs: Standard 4-channel wiring.

Ensure stereo is off.
Plug 3.5mm cable from device into front AUX-IN jack.
Press SOURCE to select "AUX" mode.
Start playback on external device.

Tip: For best audio quality, set portable device volume to 75% and adjust final volume on the car stereo.

Playing Media

Supports Audio CDs and MP3/WMA CDs.

Insert disc: Press EJECT to open slot, insert CD label-side up.
Play: Press SOURCE to select CD mode; playback starts automatically.
Skip tracks: Press TUNE/SEEK (>) or (<) to skip forward/back.
Fast Search: Press and hold TUNE/SEEK during playback.
Repeat/Random: Press P.MODE (if available) to cycle modes.
MP3 Navigation: Use TUNE/SEEK to skip folders/files.
Eject: Press EJECT to remove disc.

WARNING! Do not use damaged or irregularly shaped CDs. Avoid extreme temperatures inside vehicle.

Security Features

Detachable Faceplate: Press release button and slide faceplate off to deter theft. Store separately. Security Code: Not standard on this model; theft protection relies on physical faceplate removal.

Care & Cleaning

Disconnect power before cleaning. Use soft, dry cloth for faceplate and display. For CD lens, use approved cleaning disc only.

CAUTION! Do not use solvents, chemicals, or compressed air. Keep faceplate away from direct sunlight and liquids.

Regulatory Information

FCC Part 15: Class B digital device; complies with limits for vehicle use. Copyright © Sony Corporation. 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	Blown fuse / wiring	Check vehicle fuse (usually 10A); verify power/ground connections.
No sound from speakers	Speaker wiring / settings	Check speaker connections; ensure balance/fader not set to extreme.
CD won't play	Disc format / dirty lens	Ensure disc is CD-DA, MP3, or WMA; clean lens with cleaning disc.
Poor radio reception	Antenna connection	Ensure antenna cable is fully inserted; check antenna mast condition.
AUX input not working	Source selection / cable	Press SOURCE to select AUX; try different cable/device.

Reset: Disconnect power for 5 minutes to reset microprocessor.

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