Denon AVR-1506 Troubleshooting

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Troubleshooting

If a problem should arise,first check the following.

1.Are the connections correct?

2.Have you operated the receiver according to the operating instructions?

3.Are the speakers, turntable and other components operating property?

If this unit is not operating properly, check the items listed in the table below. Should the problem persist, there may be a malfunction. Disconnect the power immediately and contact your store of purchase.

Symptom		Cause		Measures			Page
Display not lit and	• Power supply cord not plugged in		• Check the insertion of the power				6
	securely.		supply cord plug.
sound not produced
			• Turn the power on with the remote				7
when POWER switch
			control	unit after	turning the
set to on.
			POWER switch on.
	• Speaker	cables not securely	• Connect securely.				5
	connected.
	• Improper setting of the INPUT		• Set to a suitable position.				18
Display lit but sound	SELECTOR knob.
	• Volume control set to minimum.		• Turn volume up to suitable level.				18
not produced.
	• MUTING is on.		• Switch off MUTING.				18
	• Digital signals not input. Digital input		• Input digital signals or select input				20
	selected.		terminals to which digital signals
			are being input.
	• Speaker	terminals are short-	• Switch	power off,		connect	5
	circuited.		speakers properly,		then	switch

Troubleshooting

Symptom	Cause	Measures	Page
Sound is distorted.	• Stylus pressure too weak.	• Apply proper stylus pressure.	—
	• Dust or dirt on stylus.	• Check stylus.	—
	• Batteries dead.	• Replace with new batteries.	3
	• Remote control unit too far from	• Move closer.	3
This unit does not	this unit.
operate properly when	• Obstacle between this unit and	• Remove obstacle.	3
remote control unit is	remote control unit.
used.	• Different button is being pressed.	• Press the proper button.	—
	• <and >ends of batteries inserted	• Insert batteries properly.	3
	in reverse.

NOTE:

• For ordinary speaker systems, we recommend setting the crossover frequency to 80 Hz. When using small speakers, however, setting the crossover frequency to a high frequency may improve frequency response for frequencies near the crossover frequency.

2NOTE ON USE

					power back on.
	• The ventilation holes of the set are				• Turn off the set’s power, then	2, 5
	blocked.				ventilate it well and allow it to cool
Display not lit and					down.
power indicator is					Once the set has cooled down,
flashing rapidly.					turn the power back on.
	• The unit is operating at continuous				• Turn off the set’s power, then	2, 5
	high power conditions and/or with				ventilate it well and allow it to cool
	inadequate ventilation.				down.
					Once the set has cooled down,
					turn the power back on.
	• Incomplete connection of speaker				• Connect securely.	5
Sound produced only	cables.
from one channel.	• Incomplete connection of			input/	• Connect securely.	5, 6,
	output cables.					9~11
Positions of	• Reverse connections of left and				• Check left and right connections.	5
instruments reversed	right speakers or left and right
during stereo playback.	input/output cables.
Howling noise	• Speaker	systems	too	close	• Separate as much as possible.	—
	together.
produced when
	• Floor is	unstable	and vibrates		• Use cushions to absorb speaker	—
volume is high.
	easily.				vibrations transmitted by floor.

Avoid high temperatures.

Allow for sufficient heat dispersion when installed in a rack.

Handle the power cord carefully. Hold the plug when unplugging the cord.

Keep the apparatus free from moisture, water, and dust.

Unplug the power cord when not using the apparatus for long periods of time.

* (For apparatuses with ventilation holes)

Do not obstruct the ventilation holes.

Do not let foreign objects into the apparatus.

Do not let insecticides, benzene, and thinner come in contact with the apparatus.

Never disassemble or modify the apparatus in any way.

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ENGLISH