NAMES AND
FUNCTIONS
23
BASIC
CONNECTIONS
BASIC
OPERA
TION
ADV
ANCED
CONNECTIONS
SETUP
ADV
ANCED
OPERA
TION
TROUBLESHOOTING
OTHERS
TROUBLESHOOTING
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.
GENERAL
Symptom
Cause
Solution
Page
The unit does not
turn on.
The power supply cord is not
properly connected.
Check power supply cord connections.
12, 8
Make sure the power supply cord
is fi rmly inserted into the unit.
12
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
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.
12
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.
20
There is no sound
from a certain
speaker.
The speaker is not properly
connected.
Refer to the connection diagram to
connect the speaker properly.
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 power supply cord and
check the speaker cable connections.
8
The STANDBY
indicator is blinking
slowly. (twice a
second)
• The speaker cable has short-
circuited.
• Unplug the power supply cord
and check the speaker cable
connections.
8
• The unit was played at a higher
volume than it was intended to
play.
• Turn the volume down a bit.
13
• You are using speakers with
lower impedance than required.
• Always use speakers with the
required impedance.
28
• The unit was placed and used on
a narrow rack or similar confi ned
space and became overheated
inside.
• 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 power supply
cord and have the unit serviced
at the nearest service center.
3
–
–
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 power
supply cord and have the unit
serviced at the nearest service
center.
–
The display is not
displaying properly.
The unit uses a computer, which
on rare occasion can malfunction
if affected by static electricity,
lightning or so on.
Unplug the power supply 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.
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.
–
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.
14
The unit is set to IR = DISABLE.
Change the setting to IR =
ENABLE.
15
Cannot operate
the unit's volume
control or buttons.
The front key lock is activated.
Cancel the Front Key Lock.
25
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.
5
Humming noise
is generated from
inside the unit.
Sometimes a sound will result
depending on power source
conditions in the home.
Stop using electric heaters, etc.
–
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09.4.21 11:46:56 AM
09.4.21 11:46:56 AM
