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NAMES AND
FUNCTIONS
34
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
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
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.
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.
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.
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
38


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