Marantz CR502 Manual

The Marantz CR502 is a high-performance network audio system featuring Wi-Fi and Bluetooth connectivity, support for multiple streaming services, CD playback, AM/FM tuner, and multi-room audio capabilities. With premium audio components and intuitive controls, it delivers exceptional sound quality for home entertainment. Below are key sections for setup, operation, connectivity, and troubleshooting.

Features at a Glance

Key components: Network audio player, CD drive, AM/FM tuner, Bluetooth receiver, Wi-Fi connectivity, remote control, speaker outputs, and multiple audio inputs.

Feature	Description
Network Connectivity	Wi-Fi and Ethernet for streaming services
Bluetooth	Wireless audio streaming from compatible devices
CD Playback	Supports CD, CD-R/RW formats
AM/FM Tuner	Preset memory for radio stations
Audio Inputs	Analog and digital inputs for external sources
Speaker Outputs	Connections for main and remote speakers
Multi-Room	Compatible with HEOS multi-room system
Remote Control	Full-function remote for all operations
Display	OLED display for track information
Power	AC power input with standby mode

Installation & Setup

Unpack and inspect all components. Place on stable, level surface away from heat sources.

1. Connect speakers: Attach speaker wires to appropriate terminals observing polarity.
2. Connect to power: Plug AC power cord into wall outlet.
3. Connect antenna: Attach AM and FM antennas for radio reception.
4. Network connection: Connect Ethernet cable or proceed to wireless setup.
5. Initial power on: Press power button; follow on-screen prompts.

WARNING! Ensure proper ventilation; do not block ventilation openings.

Network Connection

Connect to your home network for streaming services and multi-room audio.

1. Wired: Connect Ethernet cable to router and CR502.
2. Wireless: Access network settings in menu; select your Wi-Fi network.
3. Enter Wi-Fi password using remote control or app.
4. Confirm connection: Check network status in system information.
5. Update firmware: Download latest updates when prompted.

Tip: For best streaming performance, use wired Ethernet connection when possible.

Specifications

• Amplifier Power: 35W + 35W (8 ohms, 20Hz-20kHz)
• Audio Formats: MP3, WMA, AAC, WAV, FLAC, ALAC
• Streaming Services: Spotify, Tidal, Deezer, Internet Radio
• Connectivity: Wi-Fi (802.11a/b/g/n), Bluetooth, Ethernet
• Inputs: Analog audio, Optical digital, Coaxial digital
• Outputs: Speaker terminals, Headphone jack, Pre-out
• CD Compatibility: CD, CD-R, CD-RW
• Tuner: AM/FM with RDS
• Power Consumption: 25W (operation), 0.5W (standby)
• Dimensions: 210mm x 106mm x 329mm (WxHxD)

Controls and Functions

Front panel: POWER, SOURCE, VOLUME knob, CD OPEN/CLOSE, PRESET buttons, Display.

Remote Control: POWER, Numeric buttons, SOURCE selection, VOLUME, MUTE, TRANSPORT controls (PLAY, PAUSE, STOP), PRESET, MENU, Navigation arrows, ENTER.

Menu Functions: Network setup, Audio settings, Speaker configuration, System updates, Clock settings, Radio presets. Audio Settings: Bass, Treble, Balance, Loudness, Tone defeat. Source Selection: Network, Bluetooth, CD, Tuner, Analog, Optical.

Audio Sources

Multiple input sources for versatile audio playback.

1. CD Playback: Insert CD; press PLAY; use skip buttons for tracks.
2. Network Audio: Select NET source; browse streaming services or network shares.
3. Bluetooth: Pair with mobile device; select BT source for playback.
4. Radio: Tune AM/FM stations; save presets for quick access.
5. Analog Input: Connect external audio sources via analog inputs.
6. Digital Input: Connect compatible devices via optical/coaxial inputs.

Note: Some streaming services may require account subscription.

Multi-Room Operation

HEOS compatibility for whole-home audio system.

1. Install HEOS app on mobile device.
2. Ensure all HEOS devices are on same network.
3. Group rooms: Select rooms to play synchronized audio.
4. Individual control: Play different sources in different rooms.
5. Source sharing: Stream same audio to multiple HEOS devices.

Tip: For stable multi-room performance, use wired network connection for main unit.

App Control

HEOS app provides full control of CR502 functions.

Features: Source selection, Volume control, Playback transport, Preset management, System settings, Multi-room grouping, Music library browsing, Streaming service access.

App available for iOS and Android devices from respective app stores.

Care & Maintenance

Unplug from power before cleaning. Use soft, dry cloth for exterior. CD lens cleaner may be used if playback issues occur.

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

Regulatory Information

FCC Compliance: Class B digital device; complies with Part 15 rules. CE marking indicates conformity with European directives. Manufactured under license from Marantz. For support, visit www.marantz.com or contact authorized service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord disconnected	Check power connection; ensure outlet is working
No network connection	Wi-Fi settings/router issue	Verify network settings; restart router; check password
No sound from speakers	Speaker connections/volume	Check speaker wires; ensure volume not muted
CD won't play	Disc format/damage	Use compatible CD format; check for scratches
Bluetooth pairing failed	Distance/interference	Move closer to unit; remove obstacles; restart pairing
Poor radio reception	Antenna positioning	Extend FM antenna fully; reposition for better reception

Reset: System menu > Factory Reset (erases all settings)

Service: Contact authorized Marantz service center; www.marantz.com