Denon AVR-1509 Owner's Manual download pdf (Page 50)

If a problem should arise, ﬁrst check the following:

1. Are the connections correct?

2. Is the set being operated as described in the owner’s manual?

3. Are the other components operating properly?

If this unit does not operate properly, check the items listed in the table below. Should the problem persist,

there may be a malfunction.

In this case, disconnect the power immediately and contact your store of purchase.

Symptom Cause Countermeasure Page

Set does not

operate properly.

• External noise or interference is

causing the set to malfunction.

• Reset the microprocessor. 37

Power does not

turn on, or turns

off directly after it

was turned on.

• Connection of the power cord is

faulty.

• Check the insertion of the power

cord plug.

No sound is

produced from

speakers.

• Connection with the input

devices or connection of the

speaker cables is faulty.

• Device you want to play and set

input source do not match.

• Master volume is turned too

low.

• Mute mode is set.

• Headphones are connected.

• No digital signals are being

input.

• The connectors to which the

digital inputs are assigned and

the settable input modes do not

match.

• Check the connections.

• Select an appropriate input

source.

• Adjust the master volume to an

appropriate level.

• Cancel the mute mode.

• Disconnect the headphones.

• Select an input source for which

the digital input setting has been

made.

• Set the input mode.

8 ~ 14

Display is off. • The Dimmer setting is set to

“OFF”.

• Set to something other than

“OFF”.

“DOLBY DIGITAL”

indicator does not

appear on display.

• DVD player’s digital audio output

setting is not proper.

• Check the DVD player’s audio

output setting. For details, read

the DVD player’s operating

instructions.

–

Power switches

off suddenly

while you are

using the AVR-

1509, the power

indicator will ﬂash

in red at intervals

of approximately

2 seconds.

• The protection circuit will be

activated depending upon the

temperature rise in the internal

parts of the unit.

• Please switch off power at once,

and re-apply the power after

the body temperature has fallen

sufﬁciently.

• Please re-install AVR-1509 in a

place having good ventilation.

–

GGeneralH

Troubleshooting

Symptom Cause Countermeasure Page

Power switches

off suddenly while

you are using the

AVR-1509, the

power indicator

will ﬂash red

at intervals of

approximately 0.5

seconds.

• Use speakers having impedance

less than that speciﬁed.

• If speaker cable core wires touch

each other or the core wires

become disconnected from their

terminals, the protection circuit

will be activated in the event of

core wires coming into contact

with the AVR-1509 rear panel.

• Please use speakers which have

the speciﬁed impedance.

• Unplug the power cord, then

after twisting the core wires

together tightly again, or effecting

termination treatments etc,

please reconnect once again.

Even applying

power, the power

display ﬂashes

red at intervals of

approximately 0.5

seconds.

• The AVR-1509 ampliﬁer circuit

has failed.

• Switch off the power and please

contact the DENON service

adviser.

–

Symptom Cause Countermeasure Page

Set does not work

properly when

remote control

unit operated.

• Batteries are worn.

• You are operating outside of the

speciﬁed range.

• Obstacle between main unit and

remote control unit.

• The batteries are not inserted in

the proper direction, as indicated

by the polarity marks in the

battery compartment.

• The set’s remote control sensor

is exposed to strong light (direct

sunlight, inverter type ﬂuorescent

bulb light, etc.).

• The remote ID of the main unit

and remote control unit do not

match.

• The SOURCE CONTROL switches

are not set in the correct

positions.

• Replace with new batteries.

• Operate within the speciﬁed

range.

• Remove the obstacle.

• Insert the batteries in the

proper direction, following the

polarity marks in the battery

compartment.

• Move the set to a place in which

the remote control sensor will

not be exposed to strong light.

• Set “Remote ID” for the main

unit to “1”.

• Set the SOURCE CONTROL

switches to the correct positions

according the operation you are

applying.

31, 33, 34

38 ~ 40

GRemote Control UnitH



Getting Started Connections Setup Playback Remote Control Information Troubleshooting

ENGLISH

Speciﬁcations

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Denon AVR-1509 Owner's Manual Page 50

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