Denon DCD 660 Service Manual

The Denon DCD 660 is a high-performance CD player designed to deliver exceptional audio quality. It features advanced digital processing, a precision transport mechanism, and a variety of outputs to connect to your audio system. 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 CD Media 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-precision CD transport, digital-to-analog converter, remote control, various audio outputs including optical and coaxial.

FeatureDescription
High-precision CD transportEnsures accurate playback of CDs
Digital-to-analog converterConverts digital audio signals to analog
Optical outputFor digital audio connection to receivers
Coaxial outputAnother option for digital audio connection
Remote controlConvenient operation from a distance
Headphone jackFor private listening
Variable outputAdjustable audio output level
Power switchTurns the unit on/off

Installation

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

  1. Connect to your audio system: Use RCA or digital outputs.
  2. Plug into AC power.
  3. Ensure proper ventilation around the unit.

WARNING! Handle with care to avoid damage. Ensure all connections are secure.

First-Time Setup

Power on the unit; follow on-screen prompts if available.

  1. Set the output format: Choose between analog and digital.
  2. Adjust volume levels if using variable output.
  3. For CD playback: Insert a CD and press PLAY.

CAUTION! Ensure stable surface; avoid moisture.

Specifications

Controls and Settings

Access settings via the front panel buttons or remote control. Key controls include POWER, PLAY, PAUSE, STOP, and SKIP.

Remote: POWER, PLAY, SKIP, REWIND, FAST FORWARD, and INPUT SELECT.

Audio settings include output level adjustments and digital filter settings.

Connecting Devices

Connect to your audio system using the appropriate outputs.

  1. Turn off all devices before connecting.
  2. Match cables to ports (e.g., RCA to audio input).
  3. Select the correct input on your amplifier/receiver.

Tip: Ensure all connections are secure to avoid audio issues.

Playing CD Media

Supports standard audio CDs and CD-R/RW formats.

  1. Insert disc: Press OPEN/CLOSE, load CD.
  2. Play: Press PLAY; select tracks with SKIP buttons.
  3. Stop: Press STOP; eject with OPEN/CLOSE.
  4. Repeat: Press REPEAT for track or all.
  5. Random: Press RANDOM to shuffle playback.

WARNING! Do not force disc; eject properly. Keep fingers away from the slot.

Accessibility Features

Remote control provides easy access to all functions. Ensure visibility of controls for users with disabilities.

Care & Cleaning

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

CAUTION! Do not spray liquids; keep away from heat and moisture.

Regulatory Information

This device complies with FCC Part 15 regulations. For support, visit www.denon.com or contact customer service.

Troubleshooting

SymptomPossible CauseCorrective Action
Remote does not workObstacles/batteriesRemove obstacles; point at IR sensor; install fresh batteries.
No soundConnections/muteEnsure amplifier is on; check connections; adjust mute.
Disc not playingDisc/loadingEnsure disc loaded properly; eject and reload; check for damage.
Skipping tracksDirty lensClean the lens with a CD lens cleaner.

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

Service: Contact Denon support for further assistance.

Denon DCD 660 Service Manual © - All Rights Reserved 2026