Sony D-E403 Car Stereo Manual

The Sony D-E403 is an in-dash CD player car stereo featuring AM/FM tuner with 30 station presets, CD playback with anti-shock memory, detachable faceplate security system, rotary volume and tuning controls, bass/treble adjustments, loudness compensation, and preamp outputs for external amplifiers. Compatible with standard CD and CD-R/RW formats. 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 CD Media 8. Security Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: In-dash CD player unit, Detachable Faceplate, Remote Control (optional), Wiring Harness, Antenna Connector, Preamp Outputs.

Feature	Description
AM/FM Tuner	30 station presets (18 FM, 12 AM)
CD Player	Anti-shock memory for skip protection
Detachable Faceplate	Security feature to prevent theft
Rotary Controls	Volume and tuning knobs for easy adjustment
Bass/Treble Adjustment	Separate controls for audio customization
Loudness Compensation	Enhances audio at low volume levels
Preamp Outputs	Front and rear outputs for external amplifiers
CD Text Display	Shows track information when available
MUTE	Instantly mutes audio
POWER	Turns unit on/off

Installation

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

Remove existing stereo: Use DIN removal tools to extract old unit.
Connect wiring harness: Match color-coded wires (red to ignition, yellow to battery, black to ground).
Connect antenna: Plug antenna cable into rear connector.
Mount unit: Slide D-E403 into DIN slot until it clicks into place.
Reconnect battery and test operation.

WARNING! Disconnect vehicle battery before installation to prevent electrical shorts. Ensure all connections are secure.

First-Time Setup

Power on unit; follow initial configuration.

Set clock: Press and hold CLOCK button, adjust with tuning knob.
Program radio stations: Tune to desired station, press and hold preset button (1-6) for 2 seconds.
Adjust audio settings: Use BASS/TREBLE controls to preference.
Attach faceplate: Align and press until it clicks into place.

CAUTION! Do not force faceplate; ensure proper alignment. Store faceplate in protective case when detached.

Specifications

Audio Output: 50W x 4 channels max.
Tuner: AM/FM with 30 presets.
CD Compatibility: CD, CD-R, CD-RW.
Anti-Shock Memory: 10-second buffer.
Frequency Response: 20Hz - 20kHz.
Signal-to-Noise Ratio: >90dB.
Preamp Outputs: 2V front/rear.
Power Requirement: 12V DC, negative ground.
Operating Temp: 14°F to 140°F (-10°C to 60°C).

Controls and Settings

Front Panel: POWER/VOLUME knob, TUNING knob, BASS/TREBLE buttons, SOURCE button, EJECT button.

Remote (optional): POWER, Numeric buttons, VOLUME UP/DOWN, MUTE, SOURCE, TRACK UP/DOWN.

Audio: BASS (-10 to +10), TREBLE (-10 to +10), LOUDNESS (On/Off). Radio: Manual/Auto tuning, Preset memory. CD: PLAY, PAUSE, STOP, TRACK UP/DOWN, RANDOM/REPEAT. Display: Dimmer control, Clock setting.

Connecting Devices

Antenna: Standard motorola plug. External Amp: Use RCA preamp outputs. Additional speakers: Connect to speaker outputs.

Turn off vehicle and disconnect battery.
Match RCA cables (white=front left, gray=front right, etc.).
Select source via SOURCE button (FM, AM, CD).

Tip: Use high-quality RCA cables for best audio performance when connecting amplifiers.

Playing CD Media

Supports CD, CD-R, CD-RW formats.

Insert disc: Press EJECT, load CD label-side up.
Play: Press PLAY; select track with TRACK UP/DOWN or numeric buttons.
Stop: Press STOP; eject with EJECT button.
Skip: TRACK UP/DOWN for next/previous tracks.
Random/Repeat: Press RANDOM or REPEAT during play.
Fast Forward/Rewind: Press and hold TRACK buttons.
Pause: Press PAUSE to temporarily halt playback.
Anti-shock: Automatically engages during vehicle motion.

WARNING! Do not insert damaged discs. Do not use while driving if it distracts attention.

Security Features

Detachable Faceplate: Remove when parked to deter theft. Security Code: Optional code can be set (see manual).

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 extreme temperatures.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/fuse	Check battery and ignition connections; replace fuse if blown.
No sound	Mute/speakers	Check MUTE status; verify speaker connections; adjust volume.
CD won't play	Disc/loading	Ensure disc is clean and inserted properly; try different CD.
Poor radio reception	Antenna	Ensure antenna fully extended and properly connected.
Faceplate won't attach	Alignment	Clean connectors; align properly and press firmly until click.

Reset: Disconnect battery for 5 minutes to reset unit.

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