Troubleshooting; General - Marantz SR3053 User Manual

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
The unit does not The power supply cord is not
turn on. properly connected.
The input cables are not fully
connected.
The input selector is in the wrong
There is no sound.
position.
The volume is too low.
The mute function has been activated. Cancel the mute function.
Headphones are connected to the
unit.
There is no sound
The speaker is not properly
from a certain
connected.
speaker.
• The polarity (+/-) of some
The sound image
does not localize speaker cables is incorrect.
correctly and is
• Speaker position and speaker
unnatural. cable connections are incorrect.
• The speaker cable has short-
circuited.
• The unit was played at a higher
volume than it was intended to
play.
The STANDBY
• You are using speakers with
indicator is blinking
lower impedance than required.
slowly. (twice a
• The unit was placed and used on
second)
a narrow rack or similar confi ned
space and became overheated
inside.
Solution Page
Check power supply cord connections. 12, 8
Make sure the power supply cord
12
is fi rmly inserted into the unit.
Make sure the power plug is fi rmly
–
inserted into the power outlet.
Check the connection of the input
cables between this unit and the
9, 10
source component (CD player, etc.),
referring to the connection diagram.
Set the input selector to the input
terminal to which the source
12
component (CD player, etc.) is
connected.
Adjust the volume. 13
13
Remove the headphones. 20
Refer to the connection diagram to
8
connect the speaker properly.
Unplug the power supply cord and
8
check the speaker cable connections.
• Unplug the power supply cord 8
and check the speaker cable
connections.
• Turn the volume down a bit. 13
• Always use speakers with the 28
required impedance.
• For safety's sake, always leave 3
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.
Symptom Cause
The STANDBY
indicator is blinking There may be something wrong
fast. (8 times a with the unit.
second)
The unit uses a computer, which
The display is not on rare occasion can malfunction
displaying properly. if affected by static electricity,
lightning or so on.
The batteries are dead.
The remote controller is out of
range.
There is an obstacle between the
Cannot use the
unit and remote controller.
remote controller
Strong light is falling on the unit's
to operate the unit.
infrared receptor window.
The mode of the remote controller
is not properly set.
The unit is set to IR = DISABLE.
Cannot operate
the unit's volume The front key lock is activated.
control or buttons.
Hissing noise
(residual noise) is The unit has a surround DSP,
generated when which can sometimes make a
there is no input noticeable hissing noise.
signal.
Humming noise Sometimes a sound will result
is generated from depending on power source
inside the unit. conditions in the home.
Solution Page
Immediately unplug the power
supply cord and have the unit
–
serviced at the nearest service
center.
Unplug the power supply cord and
–
then plug it in again.
Replace the batteries with new
3
ones.
Use the remote controller within
3
range of the unit.
Remove the obstacle. –
Prevent strong light from falling on
3
the infrared receptor window.
Press the remote controller's AMP
14
button before operating.
Change the setting to IR =
15
ENABLE.
Cancel the Front Key Lock. 25
If the noise bothers you when
listening to a 2CH source, listen in 5
Source Direct mode.
Stop using electric heaters, etc. –
23