Sony EXR-400 Car Stereo Manual

The Sony EXR-400 is an advanced in-dash car stereo system featuring AM/FM radio with 30 station presets, CD/MP3/WMA playback, USB and auxiliary inputs for portable devices, built-in amplifier (4 x 50W max), detachable faceplate security, customizable illumination, bass/treble/midrange EQ controls, and steering wheel remote compatibility. 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 detachable faceplate, Remote Control, Wiring harness, Mounting sleeve, USB extension cable, User manual.

Feature	Description
AM/FM Tuner	30 station presets (18 FM, 12 AM)
CD Player	Plays CD, CD-R, CD-RW, MP3, WMA formats
USB Port	For USB flash drives and iPod/iPhone connectivity
Auxiliary Input	3.5mm jack for external audio devices
Power Output	4 x 50W max (4 x 17W RMS)
Detachable Faceplate	Security feature to prevent theft
Illumination	Adjustable display color (Red/Blue/Green/White)
EQ Controls	Bass, Treble, Midrange, Loudness
Steering Wheel Control	Compatible with Sony remote adapters
Clock & Sleep Timer	Built-in clock with sleep timer function

Installation

Unpack and inspect contents. Ensure vehicle is parked with ignition off.

Disconnect negative battery terminal: For safety during installation.
Remove existing stereo: Use removal tools if necessary.
Connect wiring harness: Match wire colors (red=ignition, yellow=battery, black=ground).
Connect antenna and speakers: Ensure secure connections.
Slide unit into dash: Secure with mounting sleeve and brackets.
Reconnect battery and test: Turn ignition to accessory position.

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

First-Time Setup

Power on unit; follow initial configuration.

Set clock: Press and hold CLOCK button, use tuning knob to adjust.
Program radio stations: Tune to desired station, press and hold preset button.
Adjust illumination: Press DISP to cycle through color options.
Set audio preferences: Use MENU to access bass, treble, balance, fader.
Configure security: Detach faceplate when leaving vehicle.

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

Specifications

Power Supply: 12V DC, negative ground.
Tuner Sensitivity: FM 10.3 dBf, AM 27 µV.
Frequency Response: 20Hz-20kHz (CD), 20Hz-18kHz (MP3).
Signal-to-Noise Ratio: >90 dB (CD).
Supported Formats: CD-DA, CD-R/RW, MP3 (32-320kbps), WMA (32-192kbps).
USB Support: FAT16/FAT32, up to 32GB.
Dimensions: 178mm (W) x 50mm (H) x 160mm (D).
Operating Temperature: 0°C to 40°C (32°F to 104°F).

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE button, EJECT, MENU, DISP, numeric buttons.

Remote: POWER, VOLUME, SOURCE, MUTE, PRESET, SEEK, PLAY/PAUSE, numeric buttons.

Audio Settings: BASS (-10 to +10), TREBLE (-10 to +10), MIDRANGE (-10 to +10), BALANCE (L/R), FADER (F/R), LOUDNESS (On/Off). Radio: Manual/Auto seek, Local/DX reception, Preset scan. CD/USB: Repeat (One/All/Random), Scan, Folder selection. Display: Illumination color, Dimmer, Clock display.

Connecting Devices

USB: Connect flash drive or iPod to USB port. Auxiliary: 3.5mm cable to AUX IN.

Ensure unit is off before connecting devices.
For USB: Insert flash drive directly or use extension cable.
For iPod: Use compatible cable; unit may charge device.
Select source: Press SOURCE to cycle through Radio/CD/USB/AUX.

Tip: Format USB drives as FAT32 for best compatibility.

Playing Media

Supports CD, USB flash drives, auxiliary input.

Insert CD: Press EJECT, load disc label-side up.
USB playback: Insert drive, press SOURCE to select USB.
Play/Pause: Press PLAY/PAUSE button.
Track navigation: Use SEEK or numeric buttons.
Repeat/Shuffle: Press RPT for repeat modes; RDM for shuffle.
Folder navigation (MP3): Use buttons to skip folders.
Fast forward/rewind: Press and hold SEEK buttons.
Display info: Press DISP to show track title, time, bitrate.

WARNING! Do not use damaged or irregular-shaped CDs. Avoid extreme temperatures.

Security Features

Detachable Faceplate: Press release button, slide faceplate off. Security Code: 4-digit code can be set (default 0000). Steering Wheel Control: Compatible with Sony CD-SR100 remote adapter.

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 or abrasive cleaners. Keep faceplate away from direct sunlight and heat.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. ICES-003: Complies with Canadian EMI regulations. 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 fuse (10A), verify wiring connections, ensure battery connected.
No sound from speakers	Speaker wiring	Check speaker connections, ensure balance/fader not set to extreme.
CD won't play	Disc/dirty lens	Check disc for damage/format, clean lens with cleaning disc.
USB not recognized	Format/capacity	Reformat as FAT32, ensure drive ≤32GB, try different USB cable.
Radio poor reception	Antenna connection	Ensure antenna fully extended and securely connected.
Faceplate won't attach	Alignment	Clean connectors, align properly and slide until click.

Reset: Disconnect power for 5 minutes, then reconnect.

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