Denon AVR-391 Service Manual

The Denon AVR-391 is a versatile 5.1 channel AV receiver that supports various audio formats and provides a rich home theater experience. It features advanced audio processing, multiple HDMI inputs, and a user-friendly interface. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

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

Features at a Glance

Key components: 5.1 channel audio, HDMI inputs, USB input, built-in AM/FM tuner, and advanced audio processing.

Feature	Description
HDMI Inputs	Multiple inputs for connecting various devices.
USB Input	For direct playback from USB devices.
AM/FM Tuner	Built-in tuner for radio reception.
Audio Processing	Supports Dolby TrueHD and DTS-HD Master Audio.
Remote Control	Convenient control of all functions.
Speaker Setup	Automatic calibration for optimal sound.
Multi-Zone Control	Ability to control audio in different rooms.

Installation

Unpack and inspect contents. Place the receiver on a stable surface.

Connect speakers: Use appropriate speaker wire for connections.
Connect video sources: Use HDMI cables for video input.
Connect to power: Plug into a suitable AC outlet.
Ensure all connections are secure before powering on.

WARNING! Ensure proper ventilation and avoid overheating.

First-Time Setup

Power on the receiver and follow the on-screen prompts.

Set up speakers: Use the setup wizard to configure speaker settings.
Program channels: Use the tuner to scan for available radio stations.
Adjust audio settings: Access the audio menu for customization.
For HDMI: Ensure correct input selection for connected devices.

CAUTION! Ensure all connections are made before powering on.

Specifications

Channels: 5.1 channel.
Power Output: 75W per channel (8 ohms).
Audio Formats: Supports Dolby TrueHD, DTS-HD Master Audio.
HDMI Inputs: 4 HDMI inputs, 1 HDMI output.
USB Input: Supports MP3, WMA, AAC playback.
Weight: 7.5 kg.
Dimensions: 434 x 151 x 329 mm.
Power Consumption: 330W (maximum).

Controls and Settings

Access OSD via the remote control or front panel buttons. Key controls include POWER, INPUT, VOLUME, and MENU.

Remote: Provides access to all functions, including audio settings and input selection.

Audio settings: Adjust bass, treble, and balance through the menu. Video settings: Adjust picture settings for HDMI output.

Connecting Devices

Connect various devices using HDMI, optical, or RCA connections.

Turn off the receiver and devices before connecting.
Match cables to ports (e.g., HDMI to HDMI).
Select input via the remote control after powering on.

Tip: Ensure all devices are compatible with the receiver.

Playing Audio/Video Media

Supports various audio and video formats.

Insert media: Use the appropriate input for playback.
Play: Use the remote to select play options.
Stop: Press STOP to halt playback.
Skip: Use PREV/NEXT for tracks or chapters.
Adjust volume: Use the VOLUME control on the remote.

WARNING! Do not force connections; ensure compatibility.

Accessibility Features

Closed Captions: Enable in the audio settings menu. Parental Controls: Block content by ratings in the setup menu.

Care & Cleaning

Unplug before cleaning. Use a soft, dry cloth; avoid liquids.

CAUTION! Do not use abrasive cleaners; keep away from moisture.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
Remote does not work	Obstacles/batteries	Remove obstacles; point at IR sensor; install fresh batteries.
No sound	Connections/mute	Ensure receiver is on; check connections; adjust mute.
Picture not clear	Settings	Adjust video settings in the menu.
Channels not programming	Antenna/menu	Use auto-program in menu; ensure antenna connected.
Device not playing	Connection/loading	Ensure device is connected properly; check for damage.

Reset: Menu > System > Reset if available.

Service: Contact Denon support for assistance.