Bedienungsanleitung Marantz NR1501 (Seite 38 von 50) (Englisch)

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NAMES AND

FUNCTIONS

BASIC

CONNECTIONS

BASIC

OPERATION

ADVANCED

CONNECTIONS

SETUP

ADVANCED

OPERATION

TROUBLESHOOTING

OTHERS

TROUBLESHOOTING

ENGLISH

TROUBLESHOOTING

If you have any problem using this product, please be sure to check the items in the following table.

If you trouble cannot be solved, please unplug the power cable immediately and contact your Marantz

authorized dealer or service center.

SURROUND

GENERAL

Symptom Cause Solution Page

The unit does not

turn on.

The AC power cord is not properly

connected.

Check AC power cord connections. 12

Make sure the AC power cord is

ﬁ rmly inserted into the unit.

Make sure the power plug is ﬁ rmly

inserted into the power outlet.

There is no sound.

The input cables are not fully

connected.

Check the connection of the input

cables between this unit and the

source component (CD player, etc.),

referring to the connection diagram.

9, 10, 11

The input selector is in the wrong

position.

Set the input selector to the input

terminal to which the source

component (CD player, etc.) is

connected.

The volume is too low. Adjust the volume.

The mute function has been

activated.

Cancel the mute function. 13

Headphones are connected to the

unit.

Remove the headphones. 28

There is no sound

from a certain

speaker.

The speaker is not properly

connected.

Refer to the connection diagram to

properly connect the speaker.

The sound image

does not localize

correctly and is

unnatural.

• The polarity (+/-) of some

speaker cables is incorrect.

• Speaker position and speaker

cable connections are incorrect.

Unplug the AC power cord

and check the speaker cable

connections.

The STANDBY

indicator is blinking

slowly (twice a

second).

• The speaker cable has short-

circuited.

• The unit was played at a higher

volume than it was designed to

be played.

• You are using speakers with

lower impedance than required.

• The unit was placed and used on

a narrow rack or similar conﬁ ned

space and became overheated

inside.

• Unplug the AC power cord

and check the speaker cable

connections.

• Turn the volume down a bit.

• Always use speakers with the

required impedance.

• For safety's sake, always leave

enough space around the unit.

• Use the remote controller to turn

on the power.

• If the same problem occurs

again, unplug the AC power cord

and have the unit serviced at the

nearest service center.

2, 8

Symptom Cause Solution Page

The STANDBY

indicator is blinking

fast (8 times a

second).

There may be something wrong

with the unit.

Immediately unplug the AC power

cord and have the unit serviced at

the nearest service center.

−

The display is not

displaying properly.

The unit uses a computer that on

rare occasions can malfunction

if affected by static electricity,

lightning or so on.

Unplug the AC power cord and

then plug it in again.

Cannot use the

remote controller

to operate the unit.

The batteries are dead.

Replace the batteries with new

ones.

The remote controller is out of

range.

Use the remote controller within

range of the unit.

There is an obstacle between the

unit and remote controller.

Remove the obstacle. 3

Strong light is falling on the unit's

infrared receptor window.

Prevent strong light from falling on

the infrared receptor window.

The mode of the remote controller

is not properly set.

Press the remote controller’s AMP

button before operating.

The unit is set to IR = DISABLE.

Change the setting to IR = ENABLE.

A hissing noise

(residual noise) is

generated when

there is no input

signal.

The unit has a surround DSP, which

can sometimes make a noticeable

hissing noise.

If the noise bothers you when

listening to a 2CH source, listen in

SOURCE DIRECT mode.

−

A humming noise

is generated from

inside the unit.

Sometimes a sound will result

depending on power source

conditions in the home.

Turn off electric heaters, etc. −

Symptom Cause Solution Page

There is no sound

from the front

speaker.

An AM program, TV sound or other

monaural source is being played

in a surround mode other than

STEREO.

• Sound is heard from the center

speaker. There is nothing wrong

with the unit.

• Set the speaker selector to the

correct position.

There is no sound

from the center

speaker.

The surround mode is set to

STEREO.

When the surround mode is set to

STEREO, no sound will come from

the center speaker.

Set the unit to another surround

mode.

CENTER = NO is selected on the

SPEAKER CONFIG menu.

Set CENTER to YES. 22

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Marantz NR1501 Seite 38

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