Bedienungsanleitung Denon AVR-790 (Seite 64 von 72) (Englisch)

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Getting Started Connections Playback Remote Control Information Speciﬁcations

ENGLISH

Multi-ZoneSettings

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. 64

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.

Display is off. • The “Display” setting is set to

“OFF”.

• The PURE DIRECT mode is set.

• Set to something other than

“OFF”.

• Set a surround mode other than

the PURE DIRECT mode.

“DOLBY DIGITAL”

indicator does not

appear on display.

• Blu-ray Disc player / DVD player’s

digital audio output setting is not

proper.

• Check the Blu-ray Disc player /

DVD player’s audio output setting.

For details, read the Blu-ray Disc

player / DVD player’s operating

instructions.

–

GGeneralH

Symptom Cause Countermeasure Page

Power switches

off suddenly while

you are using

the AVR-790, 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-790 in a

place having good ventilation.

–

Power switches

off suddenly while

you are using

the AVR-790, 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-790 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-790 ampliﬁer circuit has

failed.

• Switch off the power and please

contact the DENON service

adviser.

–

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.).

• Settings do not match the

remote control unit’s DEVICE

SELECT switch.

• 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.

• Match the settings to the remote

control unit’s DEVICE SELECT

switch.

Troubleshooting

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