Marantz Receiver 1603 Manual

The Marantz Receiver 1603 is a high-performance 7.2 channel AV receiver featuring Dolby Atmos and DTS:X support, 4K Ultra HD pass-through with HDR10, built-in Bluetooth and Wi-Fi, multi-room audio capabilities, Audyssey room calibration, and 75 watts per channel. Below are key sections for setup, features, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Audio Setup 8. Network Features 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 7.2 channel amplifier, HDMI inputs/outputs, network connectivity, remote control, Audyssey calibration microphone.

Feature	Description
HDMI Inputs	6 inputs with 4K/60Hz pass-through and HDR10
Audio Formats	Dolby Atmos, DTS:X, Dolby TrueHD, DTS-HD Master Audio
Network Connectivity	Built-in Wi-Fi and Ethernet for streaming services
Bluetooth	Wireless audio streaming from compatible devices
Multi-room Audio	Zone 2 output for second room audio
Audyssey Room Correction	Auto-calibration for optimal sound quality
Power Output	75 watts per channel (8 ohms, 20Hz-20kHz)
Speaker Terminals	7-channel binding posts
Subwoofer Outputs	Dual subwoofer pre-outs
Remote Control	Full-function remote with backlight

Installation

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

Connect speakers: Use speaker wire to connect front, center, surround, and height channels.
Connect subwoofer: Use RCA cable to subwoofer pre-out.
Connect source devices: Use HDMI cables to connect Blu-ray player, game console, etc.
Connect TV: Use HDMI cable to HDMI OUT (MONITOR) port.
Connect to network: Use Ethernet cable or configure Wi-Fi.
Plug into AC power.

WARNING! Ensure proper ventilation; do not block vents. Use correct speaker impedance.

First-Time Setup

Power on receiver; follow on-screen setup wizard.

Run Audyssey calibration: Connect microphone and follow prompts.
Configure inputs: Assign HDMI inputs to specific sources.
Set network connection: Connect via Wi-Fi or Ethernet.
Configure audio settings: Set speaker sizes, distances, levels.
Set video options: Configure 4K and HDR settings.

CAUTION! Keep magnetic objects away from speakers during setup.

Specifications

Amplifier Section: 7.2 channels, 75W per channel (8 ohms)
Audio Decoding: Dolby Atmos, DTS:X, Dolby TrueHD, DTS-HD MA
Video Support: 4K/60Hz, HDR10, Dolby Vision, HLG
Connectivity: 6 HDMI inputs, 2 outputs, Ethernet, Wi-Fi, Bluetooth
Audio Inputs: Optical, coaxial, analog RCA
Streaming Services: Spotify Connect, AirPlay 2, Tidal
Room Correction: Audyssey MultEQ XT
Power Consumption: 450W maximum
Dimensions: 17.3" W x 6.3" H x 14.1" D
Weight: 20.7 lbs

Controls and Settings

Front Panel: POWER, INPUT SELECT, VOLUME, SETUP, STATUS. Display: Source input, volume level, audio format.

Remote: POWER, INPUT SELECT, VOLUME, MUTE, SETUP, SOUND MODE, ZONE 2.

Setup Menu: Speaker Configuration, Audio Settings, Video Settings, Network Settings, HDMI Setup. Sound Modes: Auto, Dolby Surround, DTS Neural:X, Stereo, Direct, Pure Direct. Audio Settings: Bass, Treble, Balance, Loudness Management.

Connecting Devices

HDMI: Connect Blu-ray players, game consoles, streaming devices. Analog: Connect turntables, CD players. Network: Ethernet or Wi-Fi for streaming.

Turn off receiver and devices before connecting.
Use high-speed HDMI cables for 4K devices.
Assign inputs in setup menu for easy selection.
Connect network cable for firmware updates.

Tip: Use HDMI-CEC for single remote control operation.

Audio Setup

Optimize sound for your room and speakers.

Run Audyssey calibration: Place microphone at listening position.
Manual speaker setup: Set distances, levels, crossover frequencies.
Sound modes: Select appropriate mode for content (Movie, Music, Game).
Subwoofer settings: Adjust crossover and level for optimal bass.
Height channels: Configure for Dolby Atmos/DTS:X content.

WARNING! Do not touch microphone during calibration. Keep room quiet.

Network Features

Stream music and access online services.

Network setup: Connect via Wi-Fi or Ethernet.
Streaming services: Access Spotify, Tidal, Pandora.
Firmware updates: Check for and install updates automatically.
Multi-room audio: Configure Zone 2 for second room.
Mobile app: Control receiver with Marantz app.

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth for exterior. Keep vents clear of dust.

CAUTION! Do not use liquid cleaners. Avoid moisture near electrical components.

Regulatory Information

FCC compliant. CE marked. RoHS compliant. Manufactured under license from Dolby Laboratories. DTS and DTS:X are registered trademarks. For support, visit www.marantz.com or contact authorized service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound	Input selection/volume	Check input source; increase volume; verify speaker connections.
No video	HDMI connection	Check HDMI cables; ensure TV input is correct; try different HDMI port.
Network not connecting	Wi-Fi/Ethernet	Check network settings; verify password; restart router.
Remote not working	Batteries/obstacles	Replace batteries; ensure clear line of sight to receiver.
Overheating	Ventilation	Ensure adequate ventilation; clear vents; reduce volume if necessary.

Reset: Press and hold STATUS + TUNING PRESET for 5 seconds.

Service: Contact authorized Marantz service center or visit www.marantz.com