Denon DCD 3520 Service Manual

The Denon DCD 3520 is a high-quality CD player designed for audiophiles, featuring advanced digital-to-analog conversion, precision engineering, and a robust build quality. This manual provides essential information for service technicians, including troubleshooting, specifications, and maintenance procedures.

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, advanced DAC, remote control, digital output, and various audio settings.

Feature	Description
High-Precision CD Transport	Ensures accurate playback of CDs
Advanced DAC	Converts digital audio signals to analog with high fidelity
Remote Control	Convenient operation from a distance
Digital Output	Allows connection to external DACs or digital audio systems
Audio Settings	Adjustable settings for optimal sound quality

Installation

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

Connect to power: Plug the unit into a suitable AC outlet.
Connect audio outputs: Use RCA cables to connect to your amplifier or receiver.
Ensure proper ventilation: Leave space around the unit for airflow.

WARNING! Ensure all connections are secure to avoid damage.

First-Time Setup

Power on the unit and follow the on-screen prompts if applicable.

Set audio output: Choose between digital or analog output in the settings menu.
Adjust volume levels: Set initial volume on your amplifier or receiver.
Load a CD: Insert a CD and press play to start playback.

CAUTION! Ensure the unit is powered off when connecting or disconnecting cables.

Specifications

Audio Output: 2-channel analog, digital output available.
Frequency Response: 2 Hz to 20 kHz.
Dynamic Range: 100 dB.
Signal-to-Noise Ratio: 110 dB.
Power Consumption: 20W (standby: 0.5W).
Dimensions: 17.1 x 3.9 x 12.6 inches.
Weight: 11.5 lbs.

Controls and Settings

Access settings via the front panel or remote control. Key controls include Play, Stop, Pause, Skip, and Menu.

Remote: Includes buttons for all major functions, including direct track access and playback modes.

Connecting Devices

Connect to amplifiers or receivers using RCA cables. Ensure proper input selection on your audio system.

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

Tip: Use high-quality cables for best audio performance.

Playing CD Media

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

Insert disc: Load the CD into the tray and close.
Play: Press the Play button to start playback.
Skip: Use the Skip buttons to navigate tracks.
Stop: Press Stop to halt playback.
Repeat: Use the Repeat function for continuous play of a track or entire disc.

WARNING! Do not force the tray open; use the Open button.

Accessibility Features

Features include remote control operation and clear display for easy navigation.

Care & Cleaning

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

CAUTION! Avoid using liquids or aerosols; keep away from 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; ensure the amplifier is on.
Disc not playing	Disc/loading	Ensure the disc is loaded correctly; check for damage.
Skipping tracks	Dirty lens	Clean the lens with a CD lens cleaner.

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

Service: For service inquiries, contact Denon support.