Denon DRA-635R Owners Manual

The Denon DRA-635R is a high-performance stereo receiver designed for audiophiles. It features advanced audio processing, multiple input options, and a robust power output to deliver exceptional sound quality. 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: High-fidelity audio processing, multiple input options (including digital and analog), remote control, and adjustable sound settings.

Feature	Description
Multiple Inputs	Supports various audio sources including CD, phono, and digital inputs.
Power Output	High power output for driving speakers effectively.
Audio Processing	Advanced DSP for enhanced sound quality.
Remote Control	Convenient control of all functions from a distance.
Adjustable Sound Settings	Customize bass, treble, and balance settings.

Installation

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

Connect speakers: Use appropriate speaker wire to connect to the speaker terminals.
Connect audio sources: Use RCA cables for analog inputs and optical/coaxial cables for digital inputs.
Plug into AC power.

WARNING! Ensure all connections are secure to avoid damage.

First-Time Setup

Power on the receiver; follow on-screen prompts.

Select input source: Use the INPUT button on the remote.
Adjust sound settings: Access the menu to customize audio preferences.
Test speaker output: Play audio to ensure all speakers are functioning correctly.

CAUTION! Ensure stable surface; avoid placing heavy objects on top.

Specifications

Power Output: 70 watts per channel (8 ohms).
Frequency Response: 10 Hz - 100 kHz.
Total Harmonic Distortion: < 0.08%.
Inputs: 5 analog, 2 digital (optical and coaxial).
Outputs: Speaker outputs, pre-out for subwoofer.
Dimensions: 17.1 x 5.5 x 14.2 inches.
Weight: 20 lbs.

Controls and Settings

Access settings via the front panel or remote control. Key controls include power, volume, input selection, and tone adjustments.

Remote: Power, volume, input selection, and preset buttons.

Audio settings: Bass, treble, balance, and loudness options available in the menu.

Connecting Devices

Connect various audio sources using the appropriate cables.

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

Tip: Ensure all devices are powered off before making connections.

Playing Audio Media

Supports various audio formats including CD and digital audio.

Insert media: Load CD into the tray.
Play: Press PLAY on the remote.
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 force media into the tray; eject properly.

Accessibility Features

Remote control provides easy access to all functions, ensuring usability for all users.

Care & Cleaning

Unplug before cleaning. Use a soft, dry cloth to clean the exterior.

CAUTION! Avoid using liquids or aerosols; 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.
Sound distortion	Volume too high	Reduce volume; check speaker connections.
Input not recognized	Incorrect input selection	Ensure correct input is selected via remote.
Disc not playing	Disc/loading	Ensure disc is loaded properly; check for damage.

Reset: Menu > System > Reset if available.

Service: Contact Denon support for assistance.