Denon ADV-M51 English, Tuner, subwoofer, Active, Reset all the DVD setting to Factory, Preset

						ENGLISH
	Symptom		Check			Page
	Playback does not start when PLAY	• Is there condensation on the disc or player ? (Let stand for 1 or 2 hours.)				—
	button is pressed.	•	Discs other than DVDs, video CDs and music CDs cannot be played.			8
	Playback stops immediately.	•	Disc is dirty. Wipe off the dirt.			9
	Menu playback of video CD’s is not	•	Menu playback is not possible with anything but video CDs with playback control.			—
	possible.
	Picture is disturbed during the search	• Some disturbance is normal.				—
	operation.
	Buttons do not operate.	•	Some operations are disabled for some discs.			42
	No subtitles are displayed.	• Subtitles are not displayed for DVDs not containing subtitles.				—
		•	Subtitles are turned off. Turn the subtitles setting on.			89, 90
		•	The audio (or subtitle) language does not switch for discs which do not include multiple audio			89
operation	Audio (or subtitle) language does not		(or subtitle) languages.
	switch.	•	For some discs the audio (or subtitle) language cannot be switched when the operation to			89
			switch it is performed, but can be switched on the menu screens.
		•	The angle cannot be switched for DVDs which do not contain multiple angles. In some cases			77
DVD	Angle does not switch.
			multiple angles are only recorded for specific scenes.
	Playback does not start when the title is	•	Check the “RATINGS SETUP” setting.			97, 98
	selected.
	The password for rating level has been	•	While the player is in the stop mode, hold the FUNCTION button and the MENU/SET button			97, 98
			down simultaneously for longer than 3 seconds (until “INITIALIZE” disappears from the TV
	forgotten.
			monitor).
	Reset all the DVD setting to Factory
			The lock will be released and the DVD all default settings and picture settings will return to the
	Preset.
			default values.
	The disc is not played with the audio or	•	The disc does not play with the selected audio or subtitle language if that audio or subtitle			89
	subtitle language set as the default		language is not included on that DVD.
	setting.
	Picture is not displayed in 4:3 (or 16:9).	•	Set the “TV ASPECT” default setting to the proper setting for the connected TV.			93
	Menu screen messages for the desired	•	Check the default setting for the disc language’s menu language.			90, 91
	language do not display.
	Continuous noise is heard when receiving	•	Antenna cable is not properly connected.	•	Connect the antenna cable properly.	14
	FM programs			• Connect an outdoor antenna.
Tuner	Hissing or continuous noise is heard when	•	This may be noise from a TV or interference	•	Turn off the TV.	14
			from a radio station.	•	Change the position and direction of the AM
	receiving AM programs
					loop antenna.
	Humming noise is heard when receiving	•	The radio waves transmitted over the	•	Unplug the power cord, flip the plug over in	14
			power cord are being modulated.		the opposite direction, then plug the cord
	AM programs
					back in.
	LED does not light and no sound is	•	Check the connection of the AC power plug.			10
	produced when power is turned on.
subwoofer	LED lights but no sound is produced.	•	Connect securely.			22
		• Turn the control and set it to the desired position.
		•	Set the power switch to the “OFF” position, wait at least 1 minute, then set the power switch			22
	LED flashes and no sound is produced.		back to the “ON” position. If the problem persists, unplug the AC power cord from the AC
			power outlet and contact your store of purchase.
Active
		•	Turn the volume adjustment control counterclockwise to lower the volume.			22
	Sound is distorted.	•	Do not amplify the bass sound on the amplifier. (Lower the amplifier’s bass adjustment control
			or volume.)
	Oscillation (loud continuous sound	•	Lower the volume of the active subwoofer or amplifier.			22
	produced).

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