Troubleshooting

When you think the player might be broken, please check the following items.

The disc holder does not open or close.

•Is the power switch set to ON?

•Is the player in the process of playing a disc? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See page 12

The display still indicates “—“ when a disc is loaded.

•Is the disc loaded properly?

•Is the disc dirty or scratched?

There is no sound or the sound is distorted.

•Are the output cables connected to the amplifier correctly?

•Is the adjustment of the amplifier's controls and switching correct?

The specified portion of the disc cannot be played back correctly.

•Is the disc dirty or scratched?

There is a button that doesn't function.

•Has a preset such as PLAY-LOCK been set? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . See Page 25

SPECIFICATIONS

GENERAL
Type:	CD Player
Disc type:	Standard Compact Discs (12 cm, 8 cm/5", 3")
AUDIO SECTION
Channels:	2 channels (Stereo), 1 channel (Mono)
Sampling Frequency:	44.1 kHz (32/48 kHz available using optional ACD-25FSC)
Digital Filter:	18 bit 8-times oversampling Digital filter
Frequency Response:	5 to 20,000 Hz (t 1.0 dB)
Total Harmonic Distortion:	0.003% (1 kHz, 0 dB playback, A filter)
Signal to Noise Ratio:	105 dB (1 kHz, 0 dB playback, A filter)
Channel Separation:	100 dB (1 kHz, 0 dB playback, A filter)
Analog Output:	1 kHz, 0 dB playback
		Pin No.	U.S.A. & Canada	Europe & Asia & Others
Transfer and Connector:	Balanced active, XLR connector	1	Common	Common
Transfer and Connector:	Balanced active, XLR connector	2	Cold	Hot
	Unbalanced, RCA jack	2	Cold	Hot
Output Level:	Unbalanced, RCA jack	3	Hot	Cold
	Balanced: + 18 dBs, 600 62/ohms	3	Hot	Cold
	Balanced: + 18 dBs, 600 62/ohms
	Unbalanced: 2 Vrms, 10 kg/kohms
Output Level Adjust Range:	+22 dBs to -20 dBs (Balanced)
Headphone Output:	20 mW (30 to 40 52/ohms)
Digital Output
Transfer and Connector:	Balanced active, XLR connector (1. Common 2. Cold 3. Hot)
	Unbalanced, RCA jack
Signal Format:	AES/EBU or IEC 958 Type II or SPDIF
Output Level:	Balanced: 3 Vp-p, 110 ohms
	Unbalanced: 0.5 Vp-p, 75 ohms
Variable Pitch Control:	f 9.9% max.
Audio Start-up rime:	0.01 second less
Frame Search Accuracy:	1 frame (1 /75 second)
DIMENSIONS:	4820) x 132(H) x 297(D)mm
	(19.0" x 5-13/64" x 11-11 / 16")
WEIGHT:	6.8 kg, 15 Ibs
POWER CONSUMPTION:	19 W
POWER SUPPLY:	AC 120 V 10%, 60 Hz (U.S.A. and Canada)
	AC 230 V 10%, 50 Hz (Europe, Asia, Others)
ENVIRONMENTAL CONDITIONS
Operating Temperature:	+5°C to 35°C
Humidity:	25% to 85%, non condensing
Storage Temperature:	-20°C to 60°C
REMOTE
Serial Remote:	RS232C/RS422A (switchable), D-sub 9-pin
Parallel Remote:	D-sub 25-pin

" Specifications and design are subject to change without notice for purpose of improvement.

DN-C680 specifications

The Denon DN-C680 is a professional-grade CD player designed for use in various audio applications, from live performance setups to installations in clubs, churches, and other venues. Renowned for its reliability and high-quality audio output, the DN-C680 features a range of technologies and characteristics that make it a top choice for audio professionals.

One of the standout features of the DN-C680 is its exceptional audio quality. It boasts a 24-bit/192 kHz digital-to-analog converter (DAC), which allows for high-resolution audio playback, delivering clarity and depth that can elevate any musical performance. This precision ensures that every note and nuance is reproduced accurately, making it ideal for critical listening environments.

The DN-C680 is equipped with a variety of playback options, including standard CD playback, CD-R, and CD-RW compatibility. Additionally, it supports MP3 and WAV file formats, providing users with the flexibility to play a wide range of audio media without limitations. With its built-in USB port, the player allows for direct playback from USB drives, significantly expanding the library of accessible audio content.

Ease of use is another hallmark of the DN-C680. The unit features a user-friendly interface with an LCD screen that provides clear information about track selection and playback status. The intuitive controls allow for quick navigation through playlists, making it straightforward for users to find and play their desired tracks efficiently.

The DN-C680 is also designed with robust build quality in mind. Its metal chassis enhances durability, making it suitable for rigorous use in various environments. The player includes multiple outputs such as balanced XLR, RCA outputs, and digital outputs, ensuring compatibility with diverse audio equipment.

For added functionality, the DN-C680 features programmable playback capabilities, allowing users to create custom playlists or set up repeat modes for continuous play. The slew of cueing options, including a seamless cue and adjustable pitch control, provide DJs and performers with the tools they need for precise audio delivery.

In conclusion, the Denon DN-C680 is a versatile and reliable CD player that offers a multitude of features and technologies for professional audio applications. With its high-quality sound reproduction, extensive playback options, and durable design, it serves as an invaluable tool for those seeking excellence in music playback and performance. Whether in a club, studio, or live setting, the DN-C680 continues to meet the demanding standards of audio professionals around the world.