Sony STR-DB930 Car Stereo Manual

The Sony STR-DB930 is a high-performance car stereo receiver featuring AM/FM tuner, CD player compatibility, Dolby Pro Logic surround sound, multiple audio inputs, remote control capability, and customizable audio settings. Designed for in-vehicle entertainment, it offers powerful amplification, preset station memory, and user-friendly controls. 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. Audio Features 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with integrated amplifier, Remote Control, Antenna input, CD changer control, AUX input, Preamp outputs.

Feature	Description
AM/FM Tuner	With 30 station presets (18 FM, 12 AM)
CD Player Control	Compatible with Sony CD changers
Dolby Pro Logic	Surround sound decoding for enhanced audio
Audio Inputs	AUX input for external devices
Preamp Outputs	Front, rear, and subwoofer outputs
Remote Control	Included for convenient operation
Power Output	High-power amplification for clear sound
Bass & Treble Controls	Adjustable audio settings
Loudness Function	Enhances audio at low volumes
Fader & Balance	Adjusts sound distribution

Installation

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

Remove existing stereo: Use appropriate tools to detach old unit.
Connect wiring harness: Match colors to vehicle wiring (power, ground, speakers).
Connect antenna: Attach vehicle antenna cable to receiver.
Connect external devices: Attach CD changer or AUX input cables if used.
Secure unit: Insert into dashboard and secure with mounting sleeve.
Reconnect battery and test.

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

First-Time Setup

Power on the stereo; follow initial setup prompts.

Set clock: Press and hold CLOCK button, adjust with tuning knob.
Program radio stations: Tune to desired station, press and hold preset button.
Adjust audio settings: Use BASS, TREBLE, FADER, BALANCE controls.
Configure surround sound: Select Dolby Pro Logic mode if desired.
Set CD changer: If connected, ensure proper communication.

CAUTION! Ensure proper ventilation around unit. Do not block cooling vents.

Specifications

Power Output: 50W x 4 channels (max).
Tuner: AM/FM with 30 presets.
Audio Decoding: Dolby Pro Logic.
Frequency Response: 20Hz - 20kHz.
Signal-to-Noise Ratio: >80dB.
Inputs: AUX, CD changer control.
Outputs: Front, rear, subwoofer preamp outputs.
Power Supply: 12V DC, negative ground.
Dimensions: Standard DIN size (178mm x 50mm x 159mm).

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE selector, BASS/TREBLE buttons, FADER/BALANCE controls, CD controls.

Remote: POWER, VOLUME, SOURCE, PRESET, MUTE, CD controls.

Audio: BASS (-10 to +10), TREBLE (-10 to +10), LOUDNESS (On/Off), FADER (front/rear), BALANCE (left/right). Tuner: Manual/seek tuning, preset memory. CD: PLAY, STOP, SKIP, REPEAT, RANDOM. System: CLOCK setting, display dimmer.

Connecting Devices

Antenna: Standard vehicle antenna cable. CD changer: Sony compatible changer via control bus. AUX: 3.5mm audio input.

Turn off vehicle and disconnect battery before connecting.
Match cables to appropriate ports (e.g., RCA for preamp outputs).
Select source via SOURCE button (TUNER, CD, AUX).

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

Playing Media

Supports radio, CD playback via changer, and AUX input.

Radio: Press SOURCE to select TUNER, tune with buttons or seek.
CD: Insert disc in changer, select CD source, press PLAY.
AUX: Connect device to AUX input, select AUX source.
Skip tracks: Use SKIP buttons during CD playback.
Repeat/Random: Press corresponding buttons for playback modes.
Volume adjustment: Use VOLUME knob or remote.
Mute: Press MUTE to temporarily silence audio.

WARNING! Do not operate controls while driving if it distracts attention from the road.

Audio Features

Dolby Pro Logic: Creates surround sound from stereo sources. Loudness: Boosts bass and treble at low volumes. Fader/Balance: Adjusts sound distribution between speakers.

Care & Maintenance

Keep unit clean and dry. Use soft, dry cloth for cleaning; avoid liquids.

CAUTION! Do not use chemical cleaners. Keep away from excessive heat and moisture.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/battery	Check power and ground connections; verify battery voltage.
No sound from speakers	Speaker wiring	Verify speaker connections; check fuses.
Poor radio reception	Antenna	Ensure antenna connected properly; check for damage.
CD changer not working	Connection/disc	Verify control cable; ensure disc is loaded properly.
Remote not functioning	Batteries/obstruction	Replace batteries; ensure clear line of sight to sensor.

Reset: Disconnect power for 30 seconds to reset unit.

Service: Contact authorized Sony service center; www.sony.com/support