Clarion DMZ637MP owner manual Case of Difficulty

English

8. IN CASE OF DIFFICULTY

Problem	Cause	Measure
Power does not	Fuse is blown.	Replace with a fuse of the same amperage. If the
turn on.		fuse blows again, consult your store of purchase.
(No sound is
produced.)	Incorrect wiring.	Consult your store of purchase.

	No sound output	Power antenna lead is	1.	Turning the unit off.
	when operating	shorted to ground or	2.	Remove all wires attached to the power antenna
	the unit with	excessive current is required		lead. Check each wire for a possible short to
	amplifiers or	for remote-on the amplifiers		ground using an ohm meter.
	power antenna	or power antenna.	3.	Turning the unit back on.
	attached.		4.	Reconnect each amplifier remote wire to the
				power antenna lead one by one. If the amplifiers
				turn off before all wires are attached, use an
General				external relay to provide remote-on voltage
				(excessive current required).
	Nothing happens	The microprocessor has	Press the reset button for
	when buttons are	malfunctioned due to noise,	about 2 seconds with a thin
	pressed.	etc.	rod.
	Display is not
	accurate.
				Reset button

	No sound heard	The speaker protection	1. Turn down sound volume. Function can also be
		circuit is operating.	restored by turning the power off and on again.
			(Speaker volume is reduced automatically when
			the speaker protection circuit operates).
			2. If the sound is muted again, consult our service
			department.
	No sound heard	MP3/WMA files are absent in	Write MP3/WMA files onto the disc properly.
		a disc.
		Files are not recognized as	Use MP3/WMA files encoded properly.
		an MP3/WMA file.
		File system is not correct.	Use ISO9660 level 1, 2, 3 or JOLIET or Romeo file system.
	Sound skips or is	Compact disc is dirty.	Clean the compact disc with a soft cloth.
	noisy.
		Compact disc is heavily	Replace with a compact disc with no scratches.
		scratched or warped.
CD/MP3
	Sound is cut or	MP3/WMA files are not	Use MP3/WMA files encoded properly.
	skipped.	encoded properly.
	Noise is
	generated or
	noise is mixed
	with sound.
	Sound is bad	Water droplets may form on	Let dry for about 1 hour with the power on.
	directly after	the internal lens when the
	power is turned	car is parked in a humid
	on.	place.
	Wrong filename	File system is not correct.	Use ISO9660 level 1, 2, 3 or JOLIET or Romeo file system.
	Play list play is	File name or extension is not	Use alphanumeric/ASCII characters for MP3/WMA file name.
	not performed.	correct.	Use “.M3U” or “.ASX” for the file extension of a play list.

				English
	Problem	Cause	Measure
	MD cannot be	Another MD is already	Eject the MD before loading the new one.
	loaded.	loaded.
		MD inserted wrongly.	Insert correctly.
MD	Sound skips or is	MD is heavily scratched or	Replace with an MD with no scratches.
	noisy.	warped.
	Sound is bad	Water droplets may form on	Let dry for about 1 hour with the power on.
	directly after	the internal lens when the
	power is turned	car is parked in a humid
	on.	place.

26 DMZ637MP DMZ637MP 27