Denon AVR-687 Service Manual

The Denon AVR-687 is a high-performance 7.1 channel AV receiver designed for home theater enthusiasts. It supports various audio formats, including Dolby Digital, DTS, and Dolby Pro Logic II, providing an immersive sound experience. The receiver features multiple HDMI inputs, allowing for easy connectivity with various devices such as Blu-ray players, gaming consoles, and streaming 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 Audio/Video 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 Digital, DTS support, and advanced audio processing.

Feature	Description
HDMI Inputs	Multiple inputs for connecting various devices
Audio Formats	Supports Dolby Digital, DTS, and more
Zone 2 Output	Allows for multi-room audio setup
On-Screen Display	Easy navigation through menus
Remote Control	Convenient control of all functions
Speaker Configuration	Flexible settings for different speaker setups
Firmware Updates	Keep the receiver up to date with the latest features

Installation

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

Connect speakers: Use appropriate gauge 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 to avoid overheating.

First-Time Setup

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

Select audio output settings based on your speaker configuration.
Program channels automatically if applicable.
Set language preferences in the setup menu.
Adjust audio settings for optimal performance.

CAUTION! Ensure all connections are made before powering on.

Specifications

Channels: 7.1 channel surround sound.
Power Output: 75 watts per channel (8 ohms).
Audio Formats: Supports Dolby Digital, DTS, and more.
HDMI Inputs: 6 HDMI inputs with 1 output.
Weight: 20 lbs (9 kg).
Dimensions: 17.1 x 13.4 x 6.3 inches.
Power Consumption: 400 watts (maximum).

Controls and Settings

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

Remote: POWER, INPUT, VOLUME, MUTE, and various audio settings.

Audio settings: Adjust bass, treble, and balance through the setup menu.

Connecting Devices

Connect devices using HDMI, optical, or analog audio inputs.

Turn off the receiver and devices before connecting.
Match cables to ports (e.g., HDMI to HDMI).
Select input via 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 appropriate input for playback.
Play: Use remote control to start playback.
Stop: Press STOP to halt playback.
Skip: Use PREV/NEXT for tracks or chapters.
Adjust volume: Use VOLUME control on the remote.

WARNING! Ensure media is compatible with the receiver.

Accessibility Features

Closed Captions: Enable in the setup menu for supported media.

Care & Cleaning

Unplug before cleaning. Use a dry cloth only; no liquids or aerosols.

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	Antenna/menu	Use auto-program in menu; ensure antenna connected.
Device not recognized	Connection issue	Check cables; ensure devices are powered on.

Reset: Menu > System > Reset if available.

Service: 1-800-555-0199; www.denon.com