NAD C715 DAB Reference, Troubleshooting, NOTES ON DIsCS, Condition, Possible Causes, No power

				REFERENCE
				TROUBLESHOOTING
CONDITION		POSSIBLE CAUSES		POSSIBLE SOLUTIONS
No power.	•	The power cord is disconnected.	•	Plug the power cord into the wall outlet
				securely.
No sound.	• Power AC lead unplugged or power not		• Check if AC lead is plugged in and power
		switched on.		switched on.
	•	Mute on.	•	Switch off Mute.
	• Headphones inserted.		• Unplug the headphones.
No sound one channel.	•	Balance not centered.	•	Center balance control.
	• Speaker not properly connected or damaged.		• Check connections and speakers.
Weak bass/diffused stereo image.	•	Speakers wired out-of-phase.	•	Check connections to all speakers in the
				system.
The C 715 does not start playback.	•	No disc is inserted.	•	Insert a disc.
	•	The disc is loaded upside down.	•	Reload the disc with the label side UP.
	• The disc is too dirty.		•	Clean the disc.
	• For external USB source, no WMA/MP3 files		• Check if there are MP3/WMA files loaded in
		loaded.		the external USB device.
Disc playback sound inadvertently skips.	•	The C 715 is subject to vibration or physical	•	Change the installation location.
		shock from external sources.
	•	Disc has too many scratches or has some	•	Replace disc.
		unwarranted imperfections/deformation.
Noisy reception, hiss.	•	Weak signal.	•	Check station tuning. Adjust or replace
				antenna.
Reception with whistling, buzzing noise.	•	Interference from other computers, games	•	Check station tuning. Switch off or move the
		consoles.		source of electrical noise.
C 715 does not respond to SR 7 remote	•	Batteries are flat or incorrectly inserted.	•	Check batteries.
control.
	•	IR transmitter window on remote or IR receiver	•	Check IR windows and ensure clear line-of-
		window on C 715 is obstructed.		sight from remote to C 715.
	• C 715 front panel is in very bright sunlight or		•	Reduce sunlight/room lighting.
		ambient light.

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HANDLING DISCS

Do not touch the playback side of the disc. Hold the disc by the edges so that fingerprints do not get on the surface. Never stick paper or tape on the disc.

STORING DISCS

After playing, store the disc in its case. Do not expose the disc to direct sunlight or sources of heat and never leave it in a parked car exposed to direct sunlight.

NOTES ON DIsCS

CLEANING DISCS

Fingerprints and dust on the disc can cause poor picture quality and sound distortion. Before playing, clean the disc with a clean cloth. Wipe the disc from the center out.

Do not use strong solvents such as alcohol, benzine, thinner, commercially available cleaners, or anti-static spray intended for older vinyl records.

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