Kenwood DPX503 Manual

The Kenwood DPX503 is a high-performance digital media receiver featuring Bluetooth connectivity, USB input, AUX input, AM/FM tuner, customizable illumination, advanced audio controls, and compatibility with various audio formats. Below are key sections for features, installation, operation, settings, and troubleshooting.

Features at a Glance

Key components: Digital media receiver, Remote Control, Bluetooth module, USB port, AUX input, AM/FM tuner, Illumination controls.

Feature	Description
Bluetooth connectivity	For wireless audio streaming and hands-free calling
USB port	For connecting USB devices and charging
AUX input	For external audio sources
AM/FM tuner	With preset memory and auto-scan
Illumination controls	Customizable display colors and brightness
Audio controls	Bass, treble, balance, fader adjustments
Power output	50W x 4 channels maximum
Remote control	Included for convenient operation
Display	LCD with adjustable contrast
Power requirements	12V DC vehicle electrical system

Installation

Unpack and inspect contents. Ensure proper vehicle compatibility.

1. Disconnect vehicle battery: Remove negative terminal for safety.
2. Remove existing stereo: Use appropriate removal tools for your vehicle.
3. Connect wiring harness: Match colors and functions carefully.
4. Mount unit: Secure in dashboard using mounting sleeve.
5. Reconnect battery: Restore power connection.

WARNING! Professional installation recommended. Ensure proper grounding and fuse protection.

Basic Operation

Power on unit; familiarize with control functions.

1. Source selection: Press SOURCE button to cycle through modes (Radio, USB, Bluetooth, AUX).
2. Volume control: Use volume knob or remote control buttons.
3. Playback controls: Play, pause, skip tracks using front panel or remote.
4. Display settings: Adjust illumination and contrast in settings menu.

CAUTION! Do not operate while driving. Set controls before vehicle motion.

Specifications

• Power Output: 50W x 4 channels (max)
• Bluetooth Version: 3.0 with A2DP profile
• USB Support: MP3, WMA, AAC playback
• Tuner Sensitivity: FM: 10.8 dBf, AM: 25 dBμ
• Frequency Response: 20Hz - 20kHz
• Signal-to-Noise Ratio: >80 dB
• Power Requirements: 12V DC negative ground
• Dimensions: Standard DIN size (178mm x 50mm)
• Operating Temperature: -20°C to +60°C

Controls and Settings

Front Panel: Power/Volume knob, SOURCE button, Function buttons, USB port, AUX input.

Remote: Power, Volume, Source selection, Track controls, Preset buttons, Menu navigation.

Audio Settings: Bass, Treble, Balance, Fader, Loudness, Subwoofer control. Display: Illumination color (multiple options), Dimmer, Display mode. System: Clock setting, Beep tone, Language selection, Reset function.

Bluetooth Connectivity

Pair mobile devices for wireless audio and hands-free calling.

1. Enable Bluetooth: Press SOURCE until Bluetooth mode activates.
2. Pair device: Search for "KENWOOD DPX503" on your mobile device.
3. Enter PIN: Use "0000" if prompted for pairing code.
4. Confirm connection: Audio and call functions now available.

Tip: Keep mobile device within 10 feet for optimal connection.

USB and AUX Playback

Supports USB storage devices and auxiliary audio sources.

1. USB connection: Insert USB device into front port.
2. File navigation: Use folder/track buttons to browse content.
3. AUX input: Connect 3.5mm audio cable from external device.
4. Playback control: Play, pause, skip tracks as needed.
5. Repeat/shuffle: Access through function menu.

WARNING! Safely eject USB devices before removal. Do not use while driving.

Audio Settings

Customize sound output for optimal listening experience.

Setting	Function	Range
Bass	Low frequency adjustment	-7 to +7
Treble	High frequency adjustment	-7 to +7
Balance	Left/Right speaker balance	L16 to R16
Fader	Front/Rear speaker balance	F16 to R16
Loudness	Bass boost at low volumes	On/Off
Subwoofer	External subwoofer control	On/Off, Level

Care & Maintenance

Disconnect power before cleaning. Use soft, dry cloth only; avoid liquids and chemicals.

CAUTION! Do not use abrasive cleaners. Keep away from moisture and extreme temperatures.

Regulatory Information

FCC Part 15: Class B digital device compliant. CE marked for European compliance. Bluetooth SIG qualified. Copyright © Kenwood Corporation. All trademarks property of their respective owners. For technical support, visit www.kenwood.com or contact authorized service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/fuse	Check fuse and power connections; verify proper grounding.
No sound	Settings/speakers	Check volume, mute, speaker connections, and fader settings.
Bluetooth not connecting	Pairing/range	Delete old pairing; ensure device is in range; restart both devices.
USB not recognized	Format/compatibility	Use FAT32 format; check file compatibility; try different USB device.
Poor radio reception	Antenna/location	Ensure antenna connected properly; check for interference sources.

Reset: Hold reset button for 3 seconds or use system reset in menu.

Service: Contact authorized Kenwood service center for repairs.