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ENGLISH
TROUBLESHOOTING
In case of trouble, check the following before calling for service:
1. Are the connections made properly ?
2. Are you operating the unit properly following the user’s guide ?
3. Are the power amplifiers and speaker working properly ?
If the unit does not operate properly, check items shown in the following table.
If your trouble cannot be recovered with the remedy actions listed in the following table, malfunction of the
internal circuitry is suspected; immediately unplug the power cable and contact your dealer, nearest
Marantz authorized dealer or the Marantz Service Center in your country.
CAUSE
The power plug is not connected.
Mute is on.
The input cable is not connected
correctly.
The master volume control is turned all
the way down.
The function selector position is wrong.
The headphones are connected to the
headphone jack.
Input cable connected incorrectly.
Speaker cable connected incorrectly.
The center speaker cable connection is
incomplete.
STEREO has been selected for Surround
mode.
Center = NONE has been selected in
SETUP mode.
The surround speaker cable connection
is incomplete.
STEREO has been selected for Surround
mode.
Surround = NONE has been selected in
SETUP mode.
The surround back speaker cable
connection is incomplete.
Surround mode is not EX/ES mode.
Surround back = NONE has been
selected in SPEAKERS SIZE SETUP
SYMPTOM
SR7500 cannot be turned up.
No sound and picture are
output even when power is on.
No speaker output.
Incorrect Audio or Video for
selected source.
Incorrect Audio from a channel.
No Audio output from the
center channel speaker.
No Audio output from the
surround speakers.
No Audio output from the
surround back speakers.
REMEDY
Connect the power plug to the outlet.
Cancel mute using the remote control unit.
See the connection diagram and connect the
cables correctly.
Adjust the master volume.
Select correct position.
Disconnect the headphones. (Speakers will not
output sound when headphones are connected.)
Connect the cable correctly by referring to the
connection diagram.
Connect the cable correctly by referring to the
connection diagram.
Connect the cable correctly.
When STEREO is selected for Surround mode, no
sound will be output from the center speaker. Set
another Surround mode.
Make the correct setting.
Connect the cable correctly.
When STEREO has been selected for Surround
mode, no sound will be output from the surround
speaker. Set another Surround mode.
Make the correct setting.
Connect the cable correctly.
Set surround mode EX/ES.
Make the correct setting.
Note:
• After “PROTECT” appears on the unit’s display, the standby indicator may start flashing. If it does, there is a
problem in the unit or the connection. If this problem reoccurs even when power is activated from the remote
control unit, call for servicing.
SYMPTOM
Can not select EX/ES mode.
Can not select Pro Logic
II
x
mode.
Can not select Neo:6 mode.
Can not select CS
II
mode.
No output to Subwoofer Out.
Noise is produced during DTS-
encoded CD or laser disc play.
A specific channel does not
produce output.
FM or AM reception fails.
Noise is heard during AM
reception.
Noise is heard during FM
reception.
Cannot get programmed
station when the PRESET
button is pressed.
Control with the remote
control unit fails.
MRAC is not working.
CAUSE
Surround center= NONE has been
selected in SPEAKERS SIZE SETUP
Input signal is incompatible.
Input signal is incompatible.
Input signal is incompatible.
Input signal is incompatible.
Subwoofer = NONE has been selected
in SETUP mode.
Analog has been selected for input.
Nothing recorded on source.
Antenna connection is incomplete.
Reception is affected by other electrical
fields.
The radio waves from the broadcasting
station are weak.
Preset data has been erased.
Batteries are consumed.
Remote controller's function-key
setting is wrong.
The distance between this SR7500 and
the remote commander is too far.
Something is blocking SR7500 and the
remote commander.
Headphones are connected.
REMEDY
Make the correct setting.
Use 5.1channel source.
Use 2 channel Dolby Digital input signal, PCM input
signal or analog input signal.
Use 2 channel Dolby Digital input signal, PCM input
signal or analog input signal.
Use 2 channel Dolby Digital input signal, PCM input
signal or analog input signal.
Select Subwoofer = YES.
Be sure to perform digital connection, select digital
input, then play.
Check the encoded channel on the source side.
Correctly connect the indoor FM and AM antennas
to FM and AM antenna outlets.
Try changing location where the AM indoor
antenna is set up.
Install an FM outdoor antenna.
Disconnecting power plug for long periods of time
will erase preset data. If that happens, input the
preset data again.
Replace all the batteries with new ones.
Select different position from which equipment will
be controlled.
Move closer to this SR7500.
Remove offending object.
Disconnect the headphones.
