DENON DCD–720AE
Compact Disc Player (2012-17)
Specifications:-
Dimensions: 434 x 107 x 279mm
Weight: 4.2kg
Disc format: CD, MP3
Digital converter: 32-bit, 192kHz
Frequency response: 2Hz to 20kHz
Dynamic range: 100dB
Signal to Noise Ratio: 112dB
Total harmonic distortion: less than 0.0025%
Line output: 2V
Digital outputs: optical, USB
Common faults that occur in Denon DCD-50:
Power does not turn on / Power is turned off
Power is not turned on.
Check whether the power plug is correctly inserted into the power outlet.
button on the remote control.Power automatically turns off.
The Auto Standby mode is set. The Auto Standby mode switches the unit to standby mode when the unit is not operated for approximately 30 minutes.
Sound is interrupted or noise occurs
During playback from the CD-R/CD-RW/DVD-R/DVD-RW/DVD+R/DVD+RW, sound is occasionally interrupted.
The sound may skip during playback of a CD-R/CD-RW containing a high-resolution audio source.
This may be caused by poor recording conditions, or the disc itself may be of poor quality. Use a correctly recorded disc.
Cannot playback Discs
Cannot playback when the play button is pressed, or cannot correctly play back a specific part of the disc.
The disc is dirty or scratched. Either clean the disc, or insert a different disc.
Cannot playback DVD-R/-RW/+R/+RW or CD-R/CD-RW.
Discs cannot be played back unless they have been finalized. Use a finalized disc.
“ No Disc” is displayed.
“ No Disc” is displayed if the disc is loaded upside-down or if no disc is loaded.
“Unsupported” is displayed.
“Unsupported” is displayed if a disc that cannot be played is loaded.
Operations cannot be performed through the remote control unit
Operations cannot be performed through the remote control unit.
Batteries are worn out. Replace with new batteries.
Operating range of the remote control unitlink
Remove any obstacle between this unit and the remote control unit.
Insert the batteries in the proper direction, checking the 
and 
marks.
The unit’s remote control sensor is exposed to strong light (direct sunlight, inverter type fluorescent bulb light, etc.). Move the unit to a place in which the remote control sensor will not be exposed to strong light.
When using a 3D video device, the remote control unit of this unit may not function due to effects of infrared communications between units (such as TV and glasses for 3D viewing). In this case, adjust the direction of units with the 3D communications function and their distance to ensure they do not affect operations from the remote control unit of this unit.