Denon AVR-E400 Service Manual

The Denon AVR-E400 is a high-performance 5.1 channel AV receiver designed to deliver exceptional sound quality and versatility for home theater systems. It supports various audio formats, including Dolby TrueHD and DTS-HD Master Audio, and features multiple HDMI inputs for connecting various devices. The receiver also includes advanced audio processing capabilities, network streaming options, and a user-friendly interface for easy operation. 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 Media 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 5.1 channel audio, multiple HDMI inputs, built-in Wi-Fi and Bluetooth, advanced audio processing, and user-friendly interface.

Feature	Description
HDMI Inputs	Multiple inputs for connecting various devices
Audio Formats	Supports Dolby TrueHD, DTS-HD Master Audio
Network Streaming	Access to streaming services via Wi-Fi
Bluetooth Connectivity	Stream audio from Bluetooth-enabled devices
On-Screen Display	User-friendly interface for easy navigation
Speaker Setup	Automatic calibration for optimal sound
Remote Control	Convenient control of all functions

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 network: Use Ethernet or Wi-Fi for internet access.
Plug into AC power.

WARNING! Ensure all connections are secure to avoid damage.

First-Time Setup

Power on the receiver; follow on-screen prompts for initial setup.

Select input source: Use the INPUT button to choose the desired source.
Configure speaker settings: Use the setup menu to adjust speaker configuration.
Set network settings: Connect to Wi-Fi or Ethernet as needed.
Update firmware: Check for updates in the settings menu.

CAUTION! Ensure stable surface; avoid overheating.

Specifications

Channels: 5.1 channel audio.
Power Output: 75W per channel (8 ohms).
Audio Formats: Supports Dolby TrueHD, DTS-HD Master Audio.
HDMI Inputs: 5 HDMI inputs with 4K pass-through.
Network Connectivity: Built-in Wi-Fi and Ethernet port.
Bluetooth: Yes, for wireless audio streaming.
Dimensions: 17.1 x 13.3 x 6.3 inches.
Weight: 20.5 lbs.

Controls and Settings

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

Remote: POWER, INPUT, VOLUME, MUTE, and navigation buttons.

Audio settings: Adjust bass, treble, and balance through the setup menu. Video settings: Configure resolution and aspect ratio as needed.

Connecting Devices

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

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

Tip: Ensure all devices are powered off during connections.

Playing Audio Media

Supports various audio formats including MP3, WAV, and FLAC.

Insert media: Connect USB drive or stream via network.
Play: Use the remote to select and play audio files.
Stop: Press STOP to halt playback.
Skip: Use PREV/NEXT buttons for tracks.
Adjust volume: Use the VOLUME control on the remote.

WARNING! Do not overload the receiver with excessive volume.

Accessibility Features

Closed Captions: Enable in the settings menu for supported content.

Care & Cleaning

Unplug before cleaning. Use a dry cloth only; avoid liquids.

CAUTION! Do not spray liquids; keep away from heat and 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	Input source/menu	Ensure correct input is selected; check connections.
Device not recognized	Connection issue	Check cables and connections; restart the receiver.

Reset: Menu > System > Reset if available.

Service: Contact Denon support for assistance.