Denon AVR 789 Manual

The Denon AVR 789 is a versatile 7.1 channel AV receiver designed to deliver high-quality audio and video performance. It supports various audio formats, including Dolby TrueHD and DTS-HD Master Audio, and features multiple HDMI inputs for seamless connectivity with your devices. 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 Media 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 7.1 channel surround sound, HDMI inputs, Dolby TrueHD, DTS-HD Master Audio, built-in AM/FM tuner, and various audio processing features.

Feature	Description
HDMI Inputs	Multiple inputs for connecting HD devices
Audio Formats	Supports Dolby TrueHD and DTS-HD Master Audio
Zone 2 Output	Allows audio playback in a second room
Built-in Tuner	AM/FM radio with presets
Remote Control	Full-featured remote for easy operation
On-Screen Display	Easy navigation through menus
Speaker Setup	Automatic calibration for optimal sound
Power Output	High power output for dynamic sound

Installation

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

Connect speakers: Use appropriate gauge speaker wire for connections.
Connect video sources: Use HDMI or component cables for video devices.
Connect to power: Plug the receiver into a wall outlet.

WARNING! Ensure all connections are secure to avoid damage.

First-Time Setup

Power on the receiver; follow on-screen prompts to configure settings.

Set up speakers: Use the automatic calibration feature.
Configure audio settings: Adjust based on your preferences.
Program channels: Use the tuner to find available stations.

CAUTION! Ensure stable surface; avoid overheating.

Specifications

Channels: 7.1
Power Output: 100W per channel
Audio Formats: Dolby TrueHD, DTS-HD Master Audio
HDMI Inputs: 4
Weight: 20 lbs
Dimensions: 17.1 x 13.4 x 6.3 inches
Power Consumption: 500W
Operating Temperature: 0°C to 40°C

Controls and Settings

Access settings via the on-screen display or front panel controls. Remote includes buttons for power, volume, input selection, and more.

Audio Settings: Adjust bass, treble, and balance. Set speaker distances and levels for optimal sound.

Connecting Devices

Connect devices using HDMI, optical, or analog inputs. Ensure all devices are powered off before connecting.

Match cables to ports (e.g., HDMI to HDMI).
Select input via remote control.

Tip: Label cables for easier identification.

Playing Media

Supports various media formats including CDs, DVDs, and streaming services.

Insert media: Load disc or select streaming source.
Play: Use remote to control playback.
Stop/Eject: Use the corresponding buttons on the remote.

WARNING! Do not force discs into the tray; eject properly.

Accessibility Features

Closed captions and audio descriptions can be enabled through the settings 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

Complies with FCC regulations for digital devices. For support, visit www.denon.com or contact customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Remote does not work	Obstacles/batteries	Remove obstacles; replace batteries.
No sound	Connections/mute	Check connections; ensure mute is off.
Picture not clear	Settings	Adjust video settings in the menu.
Channels not programming	Antenna/menu	Ensure antenna is connected; use auto-program.
Disc not playing	Disc/loading	Ensure disc is loaded properly; check for damage.

Reset: Menu > System > Reset if available.

Service: Contact support for assistance.