sony STR-D550Z Car Stereo Manual

The Sony STR-D550Z is an in-dash car stereo receiver featuring AM/FM radio, CD playback, USB and auxiliary inputs for portable audio devices, and Bluetooth connectivity for hands-free calling and wireless audio streaming. It includes a detachable faceplate for security, customizable illumination, and a 4 x 50W high-power amplifier. 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. Bluetooth Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with detachable faceplate, Remote Control, Wiring harness, Antenna connector, USB port, AUX IN jack, Microphone input for hands-free.

Feature	Description
AM/FM Tuner	With preset stations and RDS (Radio Data System) display
CD Player	Plays audio CDs, CD-R/RW
USB Port	For connecting USB flash drives or iPod/iPhone (with adapter)
AUX IN	3.5mm jack for external audio devices
Bluetooth	Wireless audio streaming and hands-free phone calls
Power Output	4 x 50W Max (or 4 x 20W RMS)
Detachable Faceplate	Security feature to prevent theft
Illumination	Adjustable display color to match vehicle interior
EQ & Sound Settings	Bass, Treble, Fader, Balance, and preset sound modes
Remote Control	Included for convenient operation

Installation

Unpack and inspect contents. Ensure vehicle battery is disconnected before beginning.

Prepare the dashboard: Remove the existing stereo (if any) using appropriate removal tools.
Connect the wiring harness: Match the color-coded wires from the vehicle to the Sony harness (power, ground, speakers, ignition). Use crimp connectors or solder for secure connections.
Connect the antenna: Plug the vehicle's antenna cable into the rear of the unit.
Secure the unit: Slide the stereo into the dashboard sleeve and secure with the provided brackets.
Reconnect the vehicle battery and test basic functions.

WARNING! Incorrect wiring can cause damage to the unit or vehicle electrical system. If unsure, consult a professional installer.

First-Time Setup

After installation, power on the unit and configure initial settings.

Set the clock: Press the SOURCE button to enter standby, then hold SETUP to access the menu. Navigate to CLOCK SETTINGS.
Program radio presets: Tune to a desired station, press and hold a numbered button (1-6) to store it.
Adjust sound settings: Use the TONE or SOUND menu to set Bass, Treble, Fader, and Balance to your preference.
Pair Bluetooth device: Navigate to the Bluetooth menu and follow on-screen prompts to pair your phone.

CAUTION! Perform setup only when the vehicle is parked in a safe location.

Specifications

Power Supply: 12V DC, negative ground.
Output Power: 50W x 4 Max (20W x 4 RMS).
Tuner: FM/AM with 18 FM / 6 AM presets.
CD Compatibility: Audio CD, CD-R, CD-RW.
USB: Supports MP3, WMA, AAC playback from USB drives.
Bluetooth Profiles: A2DP (audio), HFP (hands-free).
Inputs/Outputs: Front AUX, Rear USB, Pre-out (for external amp).
Illumination: Red/Green/Blue/White adjustable.
Dimensions (WxHxD): Standard 1-DIN size (approx. 178mm x 50mm x 159mm).

Controls and Settings

Access menus via the SETUP button or directly from the front panel. Front Panel: POWER/VOLUME knob, SOURCE, EJECT, BAND, MENU.

Remote: POWER, Numeric buttons, VOLUME UP/DOWN, MUTE, SOURCE, BAND, PLAY/PAUSE, SKIP.

Sound Settings: BASS, TREBLE, FADER, BALANCE, LOUDNESS, preset EQ (ROCK, POP, FLAT). Source Settings: Adjust settings for Radio, CD, USB, AUX, BT AUDIO. System Settings: Clock, Display (Dimmer, Color), Bluetooth setup, Reset to factory defaults.

Connecting Devices

USB: Connect flash drive or iPod to rear USB port. AUX: Use 3.5mm cable from device to front AUX IN jack. Bluetooth: Pair phone for audio/calls.

Ensure the unit is on and vehicle is in Park (for safety).
For USB/AUX: Connect the cable, then press SOURCE to select USB or AUX.
For Bluetooth: Enter the Bluetooth menu, select "Pairing," then search for "STR-D550Z" on your phone.

Tip: For best USB compatibility, format the drive as FAT32.

Playing Media

Supports CD, USB, AUX, and Bluetooth audio.

Insert CD: Press EJECT, load disc label-side up, press again to close.
Play/Pause: Press the PLAY/PAUSE button on the remote or unit.
Skip Tracks: Use the SKIP (>>|) or (|<<) buttons.
Scan: Press and hold SKIP to fast-forward or rewind.
Repeat/Random: Press the RPT or RDM button during playback (if supported by source).
Folder Navigation (USB): Use the LEFT/RIGHT arrows to navigate folders if playing MP3 files.

WARNING! Do not use damaged or irregularly shaped CDs. Avoid extreme heat inside the vehicle.

Bluetooth Features

Hands-Free Calling: Answer/end calls with the PHONE button on the unit or remote. Voice dialing supported if phone is compatible. Audio Streaming: Stream music wirelessly from your phone. Phonebook access: Sync contacts for easy dialing (varies by phone).

Care & Cleaning

Detach faceplate before cleaning. Use a soft, dry cloth for the unit and faceplate. For stubborn dirt, lightly dampen cloth with water. Do not use solvents.

CAUTION! Never spray cleaners directly onto the unit. Keep the CD slot and connectors free of dust and liquids.

Regulatory Information

FCC ID: AK8STRD550Z. This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. Bluetooth is a trademark of Bluetooth SIG, Inc. Sony and the Sony logo are trademarks of Sony Corporation. For support, visit www.sony.com/electronics/support or contact 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit does not power on	Wiring, fuse	Check vehicle fuse for radio circuit; verify power (yellow) and ignition (red) wires are connected properly.
No sound from speakers	Speaker wiring, settings	Verify speaker wires are connected and not shorted. Check Fader/Balance settings.
Bluetooth not connecting	Pairing mode, compatibility	Ensure unit is in pairing mode. Delete old pairing from phone and retry. Check phone compatibility.
CD/USB not recognized	Disc/media format	Ensure CD is clean and not scratched. For USB, check file format (MP3, WMA). Reformat drive to FAT32.
Poor radio reception	Antenna connection	Ensure antenna cable is fully plugged in at the rear of the unit. Check antenna for damage.

Reset: Hold SETUP button for 10 seconds, or find RESET in the system menu.

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