Sony D-E20 Car Stereo Manual

The Sony D-E20 is a high-performance car CD player featuring advanced anti-shock technology, AM/FM tuner with 30 presets, CD-R/RW playback compatibility, detachable faceplate security, rotary volume control, bass/treble adjustments, loudness control, and preamp outputs for external amplifiers. Designed for 12V DC vehicle power systems. 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: Main unit with CD mechanism, Detachable Faceplate, Remote Control, Wiring harness, Antenna connector, Pre-out jacks.

Feature	Description
Anti-shock memory	10-second buffer for skip-free playback
AM/FM tuner	30 station presets (18 FM, 12 AM)
CD-R/RW compatible	Plays CD-R and CD-RW discs
Detachable faceplate	Security feature to prevent theft
Rotary volume control	Manual knob for precise volume adjustment
Bass/Treble controls	Adjustable ±10 levels
Loudness function	Enhances low/high frequencies at low volume
Preamp outputs	Front/Rear/Subwoofer RCA outputs
Power antenna lead	Automatically extends antenna when unit is on
Illuminated display	Green/amber adjustable illumination

Installation

Unpack and inspect contents. Ensure vehicle is off before installation.

Disconnect vehicle battery: Remove negative terminal for safety.
Prepare wiring: Connect harness to vehicle wiring (power, ground, speakers).
Mount unit: Insert into DIN slot; secure with mounting sleeve.
Connect antenna: Plug antenna cable into rear connector.
Connect external devices: Attach RCA cables to preamp outputs if using amplifier.
Reconnect battery and test unit.

WARNING! Ensure proper grounding to avoid electrical shorts. Use correct fuse rating (10A).

First-Time Setup

Power on unit; follow initial configuration.

Set clock: Press and hold CLOCK button; adjust with TUNE/SEEK.
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.
Set illumination: Press DIMMER to select green or amber display color.
Attach faceplate: Slide onto main unit until it clicks.

CAUTION! Do not force faceplate; ensure proper alignment.

Specifications

Power Output: 50W x 4 channels (max).
Tuner Section: FM 87.5-108 MHz, AM 530-1710 kHz.
CD Compatibility: CD-DA, CD-R, CD-RW.
Signal-to-Noise Ratio: >100 dB (CD).
Frequency Response: 10 Hz - 20 kHz.
Power Supply: 12V DC, negative ground.
Dimensions: 178mm (W) x 50mm (H) x 160mm (D).
Operating Temp: -20°C to +60°C.

Controls and Settings

Front Panel: POWER/VOLUME knob, EJECT, SOURCE (CD/Tuner), BAND (FM/AM), AUDIO (bass/treble/loudness).

Remote: POWER, Numeric buttons, OPEN/CLOSE, PLAY/PAUSE, STOP, SKIP, BAND, PRESET, AUDIO.

Tuner: Manual tuning with TUNE/SEEK; auto-store for presets. Audio: BASS (±10), TREBLE (±10), LOUDNESS (On/Off), FADER/BALANCE. Display: DIMMER for illumination color, CLOCK setting. Security: Detach faceplate when leaving vehicle.

Connecting Devices

Speakers: Connect via wiring harness (FL+, FL-, FR+, FR-, etc.). Amplifier: Use preamp outputs (Front, Rear, Sub). Antenna: Standard motorola plug.

Turn off vehicle and disconnect battery.
Match wire colors (red to ignition, yellow to constant 12V, black to ground).
Connect speaker wires observing polarity.
Select source via SOURCE button (CD or Tuner).

Tip: Use crimp connectors or solder for secure connections.

Playing CD Media

Supports audio CDs, CD-R, CD-RW.

Insert disc: Press EJECT; load CD label-side up.
Play: Press PLAY; unit starts automatically after loading.
Skip tracks: Press >>| or |<< for next/previous.
Fast forward/rewind: Press and hold >>| or |<< during playback.
Repeat: Press RPT to repeat track or disc.
Random play: Press RDM for shuffle playback.
Scan: Press SCAN to sample each track for 10 seconds.
Eject: Press EJECT; remove disc when tray opens.

WARNING! Do not insert damaged discs; avoid using in extreme temperatures.

Security Features

Detachable Faceplate: Remove when parking to deter theft. Security Code: Optional 4-digit code can be set via menu (default 0000).

Care & Cleaning

Use soft, dry cloth for exterior. For CD lens, use approved cleaning disc only.

CAUTION! Do not use solvents or abrasive cleaners on faceplate.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Blown fuse/wiring	Check vehicle fuse (10A); verify power/ground connections.
CD skipping	Dirty lens/rough road	Clean lens with cleaning disc; ensure anti-shock is enabled.
Poor radio reception	Antenna connection	Ensure antenna plugged in fully; check antenna mast.
No sound from speakers	Wiring/settings	Verify speaker connections; check fader/balance settings.
Faceplate not attaching	Misalignment/dirt	Clean connectors with dry cloth; align properly and push gently.

Reset: Disconnect battery for 5 minutes to reset unit.

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