Sony XR-3503MK2 Car Stereo Manual

The Sony XR-3503MK2 is a high-performance car stereo featuring a digital media receiver, Bluetooth connectivity, USB port for audio playback and device charging, AM/FM tuner with preset stations, customizable EQ settings, hands-free calling, steering wheel control compatibility, and a detachable faceplate for security. Powered by 12V DC vehicle electrical system. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Digital media receiver, Detachable faceplate, Remote Control (optional), USB port, AUX input, Bluetooth antenna, Speaker outputs, Power/Illumination wiring harness.

Installation

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

1. Remove existing stereo: Use vehicle-specific removal tools to detach old unit.
2. Connect wiring harness: Match colors (red-ignition, yellow-constant 12V, black-ground).
3. Connect speakers: Attach speaker wires to corresponding outputs (Front Left/Right, Rear Left/Right).
4. Connect antenna: Plug vehicle antenna cable into receiver antenna port.
5. Mount unit: Slide stereo into dashboard opening and secure with mounting sleeve.
6. Reconnect battery and test.

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

First-Time Setup

Power on stereo; follow initial configuration prompts.

1. Set clock: Press SOURCE to enter settings, adjust time using tuning knob.
2. Pair Bluetooth: Enable Bluetooth on phone, select "Sony XR-3503MK2" from device list.
3. Program radio presets: Tune to desired station, press and hold preset button (1-6) for 2 seconds.
4. Adjust audio settings: Use EQ menu to select preset or customize bass/treble/fader/balance.
5. Set display dimmer: Adjust illumination to match vehicle dashboard lighting.

CAUTION! Do not operate settings while driving. Park vehicle in safe location before adjusting configurations.

Specifications

• Power Output: 50W x 4 channels max.
• Audio Inputs: USB, AUX, Bluetooth.
• Radio: AM/FM tuner with RDS (where available).
• Bluetooth Profiles: A2DP (audio streaming), HFP (hands-free calling).
• USB Support: MP3, WMA, AAC audio files; charges USB devices (5V/1.5A).
• Display: LCD with adjustable color and dimmer.
• Security: Detachable faceplate.
• Power Requirement: 12V DC, negative ground.
• Operating Temperature: -20°C to 60°C (-4°F to 140°F).

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE button, MENU, tuning knob, USB port, AUX input.

Remote (optional): POWER, VOLUME, SOURCE, MUTE, PRESET up/down, PLAY/PAUSE.

Audio Settings: BASS, TREBLE, FADER, BALANCE, EQ presets (FLAT, ROCK, POP, JAZZ, CUSTOM). Source Selection: USB, BT AUDIO, BT PHONE, AUX, AM/FM. System Settings: CLOCK, DISPLAY (dimmer/color), BLUETOOTH PAIRING, LANGUAGE, RESET. Steering Wheel Control: Learn mode to program compatible vehicle controls.

Connecting Devices

USB: Connect flash drive or smartphone cable. AUX: 3.5mm cable from external device. Bluetooth: Pair mobile phone or audio player.

1. Turn off vehicle ignition before connecting wired devices.
2. Insert USB drive fully into port.
3. For AUX, ensure cable is firmly connected at both ends.
4. Select corresponding source (USB, AUX, BT AUDIO) on stereo.

Tip: Use high-quality USB drives formatted as FAT32 for best compatibility. Avoid using damaged cables.

Playing Media

Supports USB audio (MP3, WMA, AAC), Bluetooth streaming, AUX input.

1. USB playback: Insert USB drive, select USB source, use tuning knob to browse folders/tracks.
2. Bluetooth audio: Pair device, select BT AUDIO source, control playback from phone or stereo buttons.
3. AUX playback: Connect cable, select AUX source, control playback on external device.
4. Radio: Press BAND to switch AM/FM, tune manually or scan for stations.
5. Playback controls: PLAY/PAUSE, SKIP forward/back, REPEAT (track/folder/all), RANDOM.
6. Preset recall: Press numbered button (1-6) for saved radio stations.

WARNING! Do not remove USB drive during playback. Eject using menu option if available to prevent data corruption.

Bluetooth & Hands-Free

Pairing: Enter Bluetooth settings, select "Pair New Device," confirm PIN (usually 0000 or 1234) on phone. Hands-Free Calling: Answer/end calls with PHONE button; reject with long press. Voice Dial: Activate phone's voice assistant via stereo (if supported). Phonebook: Sync contacts for voice-guided calling.

Care & Maintenance

Detach faceplate when parked in high-risk areas. Clean with soft, dry cloth; do not use chemicals or abrasives.

CAUTION! Store faceplate in protective case. Avoid extreme temperatures inside vehicle. Keep liquids away from unit.

Regulatory Information

FCC ID: AK8XR3503MK2 (complies with Part 15). This device complies with Industry Canada license-exempt RSS standard(s). Bluetooth® is a registered 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

Reset: Hold MENU button for 10 seconds to restore factory defaults (will erase presets and pairings).

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