Denon DRA-755 User Manual

The Denon DRA-755 is a high-performance stereo receiver designed to deliver superior sound quality and versatility for your audio needs. With a range of connectivity options, including multiple analog and digital inputs, it supports various audio formats and provides a rich listening experience. 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 performance, multiple input options, remote control, and advanced sound processing capabilities.

Feature	Description
Analog Inputs	Multiple RCA inputs for connecting various audio sources
Digital Inputs	Optical and coaxial inputs for high-quality digital audio
FM/AM Tuner	Built-in tuner for radio reception
Speaker Outputs	Connect up to two pairs of speakers
Remote Control	Convenient control of all functions from a distance
Headphone Jack	For private listening
Volume Control	Adjustable volume for optimal listening experience
Power Output	High power output for driving speakers effectively

Installation

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

Connect speakers: Use appropriate speaker wire to connect to the speaker terminals.
Connect audio sources: Use RCA cables for analog connections and optical/coaxial cables for digital sources.
Plug into AC power: Ensure the power switch is off before connecting.

WARNING! Ensure all connections are secure to avoid damage.

First-Time Setup

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

Select input source: Use the INPUT button to choose your desired source.
Set up radio stations: Use the tuner to scan and save your favorite FM/AM stations.
Adjust audio settings: Access the menu to configure sound settings to your preference.

CAUTION! Ensure stable surface; avoid placing heavy items on top of the receiver.

Specifications

Power Output: 75 watts per channel (8 ohms).
Frequency Response: 10 Hz - 100 kHz.
Input Sensitivity: 200 mV (line).
Signal-to-Noise Ratio: 100 dB.
Dimensions: 17.1 x 5.9 x 13.4 inches.
Weight: 20.5 lbs.
Power Consumption: 150 watts.
Supported Formats: PCM, Dolby Digital.

Controls and Settings

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

Remote: POWER, INPUT, VOLUME, TUNING, and MENU buttons for easy navigation.

Audio settings include bass, treble, balance, and loudness controls for personalized sound.

Connecting Devices

Connect various audio sources using the available inputs. Ensure to match the cables to the correct ports.

Turn off the receiver and all devices before connecting.
Use appropriate cables for each connection type (RCA, optical, coaxial).
Select the input source on the receiver to match the connected device.

Tip: Label your cables for easier identification during setup.

Playing Audio Media

Supports various audio formats from connected devices.

Select the input source: Use the INPUT button to choose the connected device.
Adjust volume: Use the volume control to set your desired listening level.
Use the remote for playback controls: Play, pause, skip tracks as needed.

WARNING! Avoid excessive volume levels to prevent speaker damage.

Accessibility Features

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

Care & Cleaning

Unplug the receiver before cleaning. Use a dry cloth to wipe the exterior; avoid liquids.

CAUTION! Do not use abrasive cleaners or solvents.

Regulatory Information

Complies with FCC regulations for residential use. 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 receiver is not muted.
Distorted sound	Volume too high	Reduce volume to prevent clipping.
Cannot tune radio stations	Antenna issue	Check antenna connection; reposition if necessary.
Device not recognized	Connection issue	Ensure proper connection and compatible formats.

Reset: Refer to the manual for reset instructions if necessary.

Service: For assistance, contact Denon support.