Sony D-E525 Car Stereo Manual

The Sony D-E525 is an in-dash CD player designed for automotive use, featuring anti-shock memory, AM/FM tuner with 30 station presets, CD-R/RW playback compatibility, detachable faceplate security, rotary volume and tuning controls, bass/treble adjustments, loudness function, and preamp outputs for external amplification. 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 receiver, Detachable Faceplate, Wiring Harness, Mounting Sleeve, Remote Control (optional), Owner's Manual.

Feature	Description
Anti-Shock Memory	10-second buffer for skip-free playback
AM/FM Tuner	30 presets (18 FM, 12 AM)
CD-R/RW Playback	Compatible with recorded CD-R and CD-RW discs
Detachable Faceplate	Security feature to prevent theft
Rotary Controls	Volume and tuning knobs for easy adjustment
Bass/Treble Adjust	±10 dB adjustment range
Loudness Function	Enhances low and high frequencies at low volume
Preamp Outputs	Front and rear RCA outputs for external amps
Power Output	50W x 4 channels max (20W RMS)
Illumination	Green or amber display to match dashboard lighting

Installation

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

Disconnect negative battery terminal: Prevent electrical shorts.
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 ACC position.

WARNING! Installation requires basic knowledge of car electronics. Incorrect wiring may damage unit or vehicle electrical system.

First-Time Setup

Power on unit; follow initial setup procedure.

Set clock: Press and hold CLOCK button, use tuning knob to set time.
Program radio stations: Tune to desired station, press and hold preset button (1-30).
Adjust audio settings: Use BASS/TREBLE controls for preferred sound.
Set display illumination: Choose green or amber in settings menu.
Test CD playback: Insert commercial CD to verify operation.

CAUTION! Do not operate while driving. Complete setup while vehicle is parked.

Specifications

CD Mechanism: Anti-shock 10-second memory
Tuner Section: AM/FM stereo with 30 presets
Frequency Response: 20Hz-20kHz (±3dB)
Signal-to-Noise Ratio: 90dB (CD)
Total Harmonic Distortion: 0.05% (1kHz)
Output Power: 50W x 4 max (20W x 4 RMS)
Preamp Output: 2V front/rear RCA
Power Requirement: 12V DC negative ground
Dimensions: 178mm x 50mm x 159mm (WxHxD)
Operating Temp: 0°C to 40°C (32°F to 104°F)

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE button, BASS/TREBLE buttons, BAND button, LOUDNESS button, EJECT button, Display with clock.

Remote Control (optional): POWER, VOLUME UP/DOWN, TRACK UP/DOWN, PRESET UP/DOWN, MUTE, BAND.

Audio Settings: BASS (±10dB), TREBLE (±10dB), LOUDNESS (On/Off), FADER (front/rear balance), BALANCE (left/right). Radio Settings: Manual tuning, Seek tuning, Preset memory (30 stations), Local/DX reception. CD Settings: Repeat (track/disc), Random play, Scan, Intro scan.

Connecting Devices

Antenna: Standard car antenna plug. Speakers: 4-8 ohm speakers. External amp: Use RCA preamp outputs.

Turn ignition off before connecting devices.
Connect speakers observing correct polarity (+/-).
For external amp: Connect RCA cables from preamp outputs to amplifier inputs.
Connect power wires following vehicle wiring diagram.

Tip: Use crimp connectors or solder connections for reliable electrical contact.

Playing CD Media

Supports audio CDs, CD-R, CD-RW (with MP3 playback on compatible models).

Insert disc: Press EJECT button, load CD label-side up.
Play: Press SOURCE to select CD mode; playback starts automatically.
Track selection: Use TRACK UP/DOWN buttons or numeric keys on remote.
Repeat: Press REPEAT button for track or disc repeat.
Random: Press RANDOM button for shuffled playback.
Scan: Press SCAN to hear 10-second samples of each track.
Fast forward/rewind: Press and hold TRACK buttons during playback.
Eject: Press EJECT button; remove disc when tray extends.

WARNING! Do not insert damaged or irregular-shaped discs. Do not use in extreme temperatures.

Security Features

Detachable Faceplate: Remove when parked to deter theft. Security Code: Optional code entry if faceplate is lost or stolen (default 0000).

Care & Cleaning

Disconnect power before cleaning. Use soft dry cloth for faceplate and display. Use CD lens cleaner periodically for optimal playback.

CAUTION! Do not use solvents or abrasive cleaners. Keep faceplate away from direct sunlight and heat sources.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. This device complies with Part 15 of FCC Rules. 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 (10-15A); verify wiring connections.
No sound from speakers	Speaker wiring/balance	Check speaker connections; adjust fader/balance settings.
CD won't play	Disc/mechanism	Ensure disc is clean and undamaged; try different CD.
Poor radio reception	Antenna connection	Check antenna cable connection; ensure antenna is fully extended.
Faceplate won't attach	Dirt in connectors	Clean faceplate and unit connectors with dry cloth.
Display shows "CODE"	Security lock	Enter security code (default 0000) using preset buttons.

Reset: Disconnect battery for 10 minutes to reset unit memory.

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