Denon UD M50 Service Manual

The Denon UD M50 is a high-performance audio component designed for audiophiles. It features advanced digital processing, a robust build quality, and a variety of input options to accommodate different audio sources. 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-quality DAC, multiple audio inputs, remote control, headphone output, and advanced audio processing features.

Feature	Description
Digital Audio Converter	High-performance DAC for superior sound quality
Multiple Inputs	Supports various audio sources including optical, coaxial, and analog
Headphone Output	For private listening with adjustable volume
Remote Control	Convenient control from a distance
Audio Processing	Advanced features for sound enhancement

Installation

Unpack and inspect contents. Place on a stable surface.

Connect audio sources: Use appropriate cables for optical, coaxial, or analog connections.
Plug into AC power.
Ensure all connections are secure.

WARNING! Ensure proper ventilation and avoid placing near heat sources.

First-Time Setup

Power on the unit; follow on-screen prompts.

Select input source using the remote control.
Adjust audio settings as needed.
For optimal performance, calibrate the audio output.

CAUTION! Ensure stable surface; avoid exposure to moisture.

Specifications

Audio Format Support: PCM, Dolby Digital, DTS.
Input Terminals: Optical, Coaxial, RCA.
Output Power: 50W per channel.
Frequency Response: 20Hz - 20kHz.
Power Supply: 120V AC, 60Hz.
Dimensions: 17.1 x 12.2 x 3.5 inches.
Weight: 10 lbs.

Controls and Settings

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

Remote: Power, Input, Volume, Mute, and Setup.

Connecting Devices

Connect audio sources using the appropriate cables.

Turn off the unit and devices before connecting.
Match cables to ports accordingly.
Select input via remote control.

Tip: Ensure all devices are powered off during connections.

Playing Audio Media

Supports various audio formats including CDs and digital files.

Insert media: Load CD or connect digital source.
Play: Use remote control to start playback.
Stop: Press STOP to halt playback.
Skip: Use NEXT/PREV buttons for tracks.

WARNING! Do not force media into the player; handle with care.

Accessibility Features

Closed captions and audio descriptions can be enabled through the settings menu.

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

Complies with FCC regulations for Class B 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; adjust mute settings.
Audio distortion	Settings	Adjust audio settings for clarity.
Device not powering on	Power supply	Check power connection and outlet.

Reset: Menu > System > Reset if available.

Service: Visit www.denon.com for support.