Sony CDX-S2250EE Car Stereo Manual

The Sony CDX-S2250EE 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 4 x 50W maximum power output. This manual covers installation, operation, features, troubleshooting, and safety information for proper use of your Sony car audio system.

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, Mounting sleeve, User manual.

Feature	Description
CD/MP3/WMA Playback	Plays audio CDs, MP3 and WMA files on 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 knob
Power Output	4 x 50W maximum power
Audio Controls	Bass, Treble, Balance, Fader adjustments
Display	LCD with backlight illumination
Power Requirements	12V DC, negative ground
Dimensions	Single DIN (178mm x 50mm x 159mm)

Installation

Professional installation recommended. Ensure vehicle is parked with ignition off.

Disconnect negative battery terminal before beginning installation.
Remove existing stereo using appropriate removal tools.
Connect wiring harness: Match colors (red - ignition, yellow - battery, black - ground).
Connect antenna cable to antenna input on rear of unit.
Slide unit into mounting sleeve and secure with provided brackets.
Reconnect battery and test functions before final assembly.

WARNING! Incorrect wiring may damage the unit or vehicle electrical system. Use proper fuse protection.

First-Time Setup

After installation, configure basic settings for optimal performance.

Power on unit: Turn ignition to ACC or ON position.
Set clock: Press and hold CLOCK button, use TUNE knob to adjust time.
Program radio stations: Tune to desired station, press and hold preset button (1-6) for 2 seconds.
Adjust audio settings: Use BASS, TREBLE, BALANCE, FADER controls for preferred sound.
Test CD playback: Insert audio CD to verify proper operation.

CAUTION! Do not operate while driving. Make adjustments only when vehicle is safely parked.

Specifications

Audio Formats: CD-DA, CD-R/RW, MP3, WMA
Tuner: FM 87.5-108.0 MHz, AM 530-1710 kHz
Preset Stations: 30 total (18 FM, 12 AM)
Output Power: 4 x 50W max (4 x 22W RMS)
Signal-to-Noise Ratio: 90 dB (CD), 70 dB (FM)
Frequency Response: 20 Hz - 20,000 Hz
Inputs: Front AUX (3.5mm), Rear RCA pre-outs (optional)
Power Supply: 12V DC, negative ground
Dimensions (WxHxD): 178mm x 50mm x 159mm
Operating Temperature: -20°C to +60°C

Controls and Settings

Front Panel Controls: POWER/VOLUME knob, SOURCE button, TUNE knob, BAND button, AUX input, EJECT button.

Remote Control (optional): POWER, VOLUME, SOURCE, TRACK UP/DOWN, PRESET buttons.

Audio Settings: BASS (-10 to +10), TREBLE (-10 to +10), BALANCE (L/R), FADER (F/R). Radio Settings: Manual/seek tuning, Auto memory preset, Local/DX reception. Display Settings: Dimmer control, Clock display mode. Playback Settings: Random, Repeat, Scan modes for CD/MP3.

Connecting Devices

AUX Input: Front 3.5mm jack for portable players. Pre-outs: Rear RCA connectors for external amplifiers.

Turn off unit before connecting devices.
For AUX: Connect 3.5mm cable from device to front AUX input.
For amplifiers: Connect RCA cables from pre-outs to amplifier inputs.
Select source: Press SOURCE button until AUX appears on display.

Tip: Use quality cables for best audio performance. Secure cables to prevent rattling.

Playing Media

Supports audio CDs, MP3/WMA CDs, and AUX input sources.

Insert disc: Press EJECT button, insert CD label side up.
Play: Unit automatically begins playback; use TRACK buttons to navigate.
MP3/WMA playback: Navigate folders using TUNE knob; press to select.
Play modes: Press RPT for repeat, RDM for random play.
Fast forward/rewind: Press and hold TRACK buttons during playback.
Eject: Press EJECT button; remove disc when tray opens.
Radio: Press BAND to switch between FM1/FM2/AM; use TUNE or SEEK.
Presets: Store stations by pressing and holding preset buttons.

WARNING! Do not insert damaged or irregular shaped discs. Keep discs clean and free of scratches.

Security Features

Detachable Faceplate: Remove for theft prevention - press release button and pull faceplate forward. Security Code: Optional code protection - if enabled, unit requires code entry after power loss.

Care & Cleaning

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

CAUTION! Do not use solvents, chemicals, or abrasive cleaners. Never spray liquids directly on unit.

Regulatory Information

FCC Compliance: This device complies with Part 15 of FCC Rules. Operation is subject to interference that may cause undesired operation. CE Mark: Complies with European directives. Sony Corporation copyright. 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	Wiring/fuse	Check fuse (10A), verify wiring connections, ensure ignition is on.
No sound	Volume/speakers	Check volume level, verify speaker connections, test different source.
CD won't play	Disc/format	Ensure disc is clean, check format compatibility, try different CD.
Poor radio reception	Antenna/position	Ensure antenna fully extended, check antenna connection, adjust location.
Faceplate won't attach	Alignment/dirt	Clean connectors, align properly, press firmly until click.
Display dim/no light	Dimmer setting	Adjust dimmer control, check vehicle illumination wire connection.

Reset: Disconnect power for 5 minutes to reset unit. For security code issues, contact Sony support.

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