Marantz 7703 Manual

The Marantz 7703 is a premium 11.2 channel AV preamplifier/processor featuring Dolby Atmos, DTS:X, Auro-3D, 4K Ultra HD with HDR, HEOS built-in multi-room audio, advanced audio processing, and extensive connectivity options. Below are key sections for setup, features, operation, and troubleshooting.

Features at a Glance

Key components: 11.2 channel processing, Dolby Atmos/DTS:X support, 8 HDMI inputs, balanced XLR outputs, HEOS multi-room, Audyssey room correction.

Feature	Description
HDMI Inputs	8 HDMI 2.0a inputs with HDCP 2.2 support
Audio Formats	Dolby Atmos, DTS:X, Auro-3D, Dolby TrueHD, DTS-HD Master Audio
Video Support	4K/60Hz, HDR10, Dolby Vision, HLG
HEOS Built-in	Multi-room audio streaming
Audyssey	MultEQ XT32 room correction
Balanced Outputs	XLR outputs for all channels
Network Connectivity	Ethernet, Wi-Fi, Bluetooth
Zone Control	3-zone audio capability
RS-232 Control	Custom installation integration
Trigger Outputs	12V triggers for system control

Installation

Unpack and inspect contents. Place in well-ventilated area.

1. Connect speakers: Use appropriate gauge speaker wire for all channels.
2. Connect source devices: Use HDMI cables for optimal audio/video quality.
3. Connect external amplifiers: Use RCA or XLR outputs as needed.
4. Connect network: Use Ethernet cable or configure Wi-Fi.
5. Plug into AC power.

WARNING! Ensure proper ventilation; do not block cooling vents. Use stable surface.

First-Time Setup

Power on unit; follow on-screen setup wizard.

1. Run Audyssey calibration: Connect included microphone and follow prompts.
2. Configure inputs: Assign HDMI inputs to specific sources.
3. Set network connection: Configure Wi-Fi or Ethernet settings.
4. Configure audio settings: Set speaker sizes, distances, levels.
5. Update firmware: Check for latest firmware updates.

CAUTION! Handle with care; avoid static discharge during setup.

Specifications

• Channels: 11.2 channel processing
• Audio Formats: Dolby Atmos, DTS:X, Auro-3D, Dolby TrueHD, DTS-HD MA
• Video Support: 4K/60p, HDR10, Dolby Vision, HLG
• HDMI: 8 inputs, 3 outputs (Main, Zone 2, Zone 3)
• Frequency Response: 10Hz-100kHz
• Signal-to-Noise: 110dB
• THD: 0.005%
• Power Consumption: 45W
• Dimensions: 17.3" x 6.8" x 15.7"
• Weight: 24.3 lbs

Controls and Settings

Access menu system via front panel or remote control. Front Panel: POWER, INPUT SELECT, VOLUME, MENU, SETUP.

Remote: POWER, INPUT SELECT, VOLUME, MUTE, MENU, SETUP, AUDIO, ZONE, HEOS.

Audio Settings: Speaker configuration, crossover, distance, level calibration. Video Settings: Resolution, HDR, color space. Network Settings: Wi-Fi, Ethernet, HEOS setup. System Settings: Firmware update, factory reset, trigger configuration.

Connecting Devices

HDMI: Connect sources to HDMI inputs 1-8. Audio: Connect to external amplifiers via RCA or XLR. Network: Ethernet or Wi-Fi.

1. Turn off all devices before connecting.
2. Use high-speed HDMI cables for 4K/HDR content.
3. Connect speakers to appropriate amplifier channels.
4. Select input via INPUT SELECT button or remote.

Tip: Use quality cables for best audio/video performance.

Audio Configuration

Advanced audio processing and room correction.

1. Audyssey Setup: Run automatic room calibration with included microphone.
2. Manual Settings: Adjust speaker levels, distances, crossover frequencies.
3. Sound Modes: Select Dolby Atmos, DTS:X, or other processing modes.
4. Lip Sync: Adjust audio delay to match video.
5. Dynamic Volume: Set compression for consistent listening levels.
6. EQ Settings: Customize frequency response for different content.

WARNING! Ensure proper speaker polarity; incorrect wiring affects sound quality.

Network Features

HEOS multi-room audio: Stream music to other HEOS devices. Network streaming: Access internet radio, streaming services. Control: Use Marantz app for remote control.

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth; avoid liquids. Keep in dust-free environment.

CAUTION! Do not use chemical cleaners; avoid moisture exposure.

Regulatory Information

FCC Part 15: Class B digital device compliant. CE marked for European market. Copyright © 2025 Marantz. For support, visit www.marantz.com or contact authorized service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound output	Amplifier connections	Check amplifier connections; verify input selection; check volume level.
No video signal	HDMI connections	Verify HDMI cable connections; check source device settings; try different input.
Network not connecting	Wi-Fi/Ethernet	Check network settings; verify password; restart router.
HEOS not working	Network/account	Ensure network connectivity; verify HEOS account; update firmware.
Remote not responding	Batteries/obstacles	Replace batteries; ensure clear line of sight; check remote mode.

Reset: Menu > System > Factory Reset if needed.

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