26
GUSB memory deviceH
Symptom Cause Countermeasure Page
When a USB
memory device
is connected,
“NO DEVICE” is
displayed.
•The unit cannot recognize a USB
memory device.
•A USB memory device not
conforming to mass storage
class or MTP standards is
connected.
•A USB memory device that
the unit cannot recognize is
connected.
•The USB memory device is
connected via USB hub.
•Check the connection.
•Connect a USB memory device
conforming to mass storage
class or MTP standards.
•This is not a malfunction. DENON
does not guarantee that all USB
memory devices will operate or
receive power.
•Connect the USB memory
device directly to the USB port.
5
Files on a USB
memory device
cannot be played.
•The USB memory device is in
a format other than FAT16 or
FAT32.
•The USB memory device is
divided into multiple partitions.
•Files are stored in a non-
compatible format.
•You are attempting to play a file
that is copyright protected.
•Set the format to FAT16 or
FAT32. For details, refer to the
USB memory device’s operating
instructions.
•When divided into multiple
partitions, only files stored in the
top partition can be played.
•Record the files in a compatible
format.
•Files that are copyright protected
cannot be played on this unit.
–
–
21
21
Specifications
[DCD-720AE] [DCD-520AE]
n Audio performance
•Analog output
Channels: 2 channels 2 channels
Playable frequency range: 2 Hz – 20 kHz 2 Hz – 20 kHz
Playable frequency response: 2 Hz – 20 kHz 2 Hz – 20 kHz
S/N: 112 dB 110 dB
Dynamic range: 100 dB 100 dB
Harmonic distortion: 0.0025 % (1 kHz) 0.003 % (1 kHz)
Wow & flutter: Below measurable limits Below measurable limits
Output level: 2.0 V (10 kΩ) 2.0 V (10 kΩ)
Signal type: 16-bit linear PCM 16-bit linear PCM
Sampling frequency: 44.1 kHz 44.1 kHz
Usable discs: Compact Disc Compact Disc
•Digital output
Optical: –15 – –21 dBm –15 – –21 dBm
Emission wavelength: 660 nm 660 nm
n General
Power supply: AC 230 V, 50/60 Hz AC 230 V, 50/60 Hz
Power consumption: 22 W 13 W
Power consumption in standby mode: 0.3 W 0.3 W
For purposes of improvement, specifications and design are subject to change without notice.
