Marantz Av Sound Receiver NR1501 Manuel D’Utilisation

ENGLISH

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.

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. 

12

Make sure the power plug is fi rmly 
inserted into the power outlet. 

12

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. 

13

The volume is too low. 

Adjust the volume. 

13

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. 

8

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. 

8

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

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. 

12

Cannot use the 
remote controller 
to operate the unit. 

The batteries are dead.

Replace the batteries with new 
ones. 

3

The remote controller is out of 
range. 

Use the remote controller within 
range of the unit. 

3

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. 

3

The mode of the remote controller 
is not properly set. 

Press the remote controller’s AMP 
button before operating. 

7

The unit is set to IR = DISABLE. 

Change the setting to IR = ENABLE. 

16

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. 

−

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.

8

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.

38

CENTER = NO is selected on the 
SPEAKER CONFIG menu.

Set CENTER to YES.

22