Sony CDX-L490B Car Stereo Manual

The Sony CDX-L490B is a single-DIN car stereo featuring CD/MP3/WMA playback, AM/FM tuner with 30 presets, front auxiliary input, detachable faceplate security, rotary volume control, and 4x50W maximum power output. Compatible with most vehicles, it includes key sections for safety, features, installation, operation, and troubleshooting. Below is the comprehensive user guide.

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 & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit, Detachable faceplate, Wiring harness, Mounting sleeve, User manual.

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 portable audio devices
Detachable Faceplate	Security feature to prevent theft
Rotary Volume Control	Easy volume adjustment
Power Output	4 x 50W maximum power
LCD Display	Shows track info, station frequency, and settings
Audio Controls	Bass, Treble, Fader, Balance adjustments
Clock Function	Digital clock display
Power Requirements	12V DC, negative ground vehicles

Installation

Unpack and verify all components. Ensure vehicle is turned off.

Disconnect vehicle battery: Remove negative terminal for safety.
Remove existing stereo: Use removal tools if necessary.
Connect wiring harness: Match colors to vehicle wires (red=ignition, yellow=battery, black=ground).
Connect antenna: Plug into rear antenna port.
Secure mounting sleeve: Insert into dashboard opening.
Connect main unit: Slide into sleeve until it clicks.
Reconnect battery and test.

WARNING! Incorrect wiring may damage unit or vehicle electrical system. Consult professional if unsure.

First-Time Setup

After installation, power on unit and configure settings.

Set clock: Press and hold CLOCK button, use TUNE/SEEK to adjust.
Program radio presets: Tune to desired station, press and hold preset button (1-6).
Adjust audio settings: Use BASS/TREBLE, FADER/BALANCE for optimal sound.
Detach faceplate: Press RELEASE button and store securely when leaving vehicle.

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

Specifications

Disc Formats: CD, CD-R, CD-RW, MP3, WMA.
Tuner: FM 87.5-108.0 MHz, AM 530-1710 kHz.
Presets: 30 total (18 FM, 12 AM).
Output Power: 4 x 50W max, 4 x 17W RMS.
Audio Controls: Bass ±10, Treble ±10, Fader, Balance.
Input: Front 3.5mm AUX jack.
Display: LCD with orange illumination.
Power Supply: 12V DC (10.8-16V).
Dimensions: 178mm (W) x 50mm (H) x 159mm (D).

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE button, BAND, TUNE/SEEK, AUX, OPEN/CLOSE, Number buttons 1-6.

Detachable Faceplate: Contains main controls; remove for security.

Audio Settings: Press AUDIO repeatedly to cycle through Bass, Treble, Fader, Balance. Use TUNE/SEEK to adjust. Radio: BAND to switch AM/FM; TUNE/SEEK to find stations; hold preset to store. Clock: Hold CLOCK, adjust with TUNE/SEEK. Display: Press DISP to change info shown.

Connecting Devices

AUX Input: Front 3.5mm jack for MP3 players, smartphones.

Turn unit on and set to AUX mode (press AUX or SOURCE).
Connect device using 3.5mm audio cable.
Adjust volume on both device and car stereo.

Tip: For best audio quality, set device volume to 75% and use stereo volume control.

Playing Media

Supports audio CDs and MP3/WMA files.

Insert disc: Press OPEN/CLOSE, load disc label-side up.
Play: Unit auto-plays; use TUNE/SEEK for track skip.
MP3/WMA navigation: Use TUNE/SEEK to browse folders/tracks.
Repeat/Random: Press RPT or RDM during playback.
Eject: Press OPEN/CLOSE; remove disc.
Radio: Press BAND for AM/FM; TUNE/SEEK to find stations.
Presets: Press number buttons 1-6 for stored stations.

WARNING! Do not use damaged discs. Avoid extreme temperatures in vehicle.

Security Features

Detachable Faceplate: Press RELEASE button to remove; store separately. Anti-theft LED: Blinks when faceplate removed to deter theft. Security Code: Optional code can be set (see manual).

Care & Maintenance

Clean with soft, dry cloth. Do not use solvents or abrasive cleaners.

CAUTION! Keep faceplate away from direct sunlight and liquids. Do not touch lens with fingers.

Regulatory Information

FCC Part 15: Class B digital device compliant. This device complies with part 15 of FCC Rules. Copyright © Sony Corporation. For support, visit www.sony.com/electronics/support or contact 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/ignition	Check fuse, wiring connections, ignition switch position.
No sound	Mute/speakers	Check mute, speaker connections, fader/balance settings.
Disc not playing	Disc format/damage	Ensure disc is compatible, clean disc, check for scratches.
Poor radio reception	Antenna connection	Ensure antenna plugged in fully; check antenna condition.
Faceplate not attaching	Dirt/misalignment	Clean connectors, align properly and push until click.

Reset: Disconnect battery for 1 minute to reset unit.

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