Marantz ES7001 - Manual (Page 23)

21
ENGLISH
TROUBLESHOOTING
7
Before considering it as a failure
In case of trouble with this component, first check the following before calling for service.
What seems to be a serious malfunction is often due to a simple operation mistake.
If the trouble is not fixed after making the following checks, contact the place of purchase, your nearest Marantz dealer, our customer service
center, or our repair service center.
SETTINGS
RESETTING ITEMS TO
FACTORY PRESET SETTINGS
To reset all the items that have been set to the
factory preset settings (initial settings), hold
down the ON/STANDBY button and VOLUME
+ button on the unit simultaneously for over 3
seconds while the power of the unit is on.
After two seconds, the unit goes into standby
mode, turns on again, then the settings are
reset to their factory preset ones.
7
Initial settings of unit
Power ...................................................... ON
Input selector .......................................... DVD
Display window ...........volume level indication
Volume level .............................................. 00
7
Initial settings of setting items
Speaker installation height .......................... L
(installed in a lower place than the connected TV)
Number of audience ....2P (2 or more persons)
Viewing/listening distance ............... – – (2 m)
Subwoofer .. On (subwoofer output activated)
Binaural mode ........................................... off
Dolby PL II ..........................P1 (PL II MOVIE)
Multi-channel broadcast ....b1 (main channel)
Night mode ................................................ off
Dimmer ..............................normal brightness
Muting ....................................................... off
Power does not turn on.
1. Is the power cord inserted into the wall
outlet securely?
\ Plug in the power cord securely.
2. Is the STANDBY indicator lit?
\ Press the POWER button on the
remote controller.
No sound is heard from the
speakers.
1. Is input source selection with the INPUT
SELECTOR buttons on the front panel
correct?
\ Check that the input source is selected
correctly.
2. Are you operating the playback equipment
correctly?
\ Refer to the instruction manual
supplied with the playback equipment.
3. Are the connecting cables between the
unit and the playback equipment correctly
connected?
\ Connect the connecting cables
correctly.
4. Is the muting function deactivated?
\ Set the muting function to off.
Noises appear while the CD or
LD that contains dts signal is
played.
1. Is the playback equipment not connected
to the ANALOG IN jacks on the unit?
\ Check that the playback equipment
is equipped with digital output, and
connect it to the digital input on this
unit.
2. Does the CD or LD support the dts signal
output?
\ Refer to the instruction manual
supplied with the playback equipment.
96 kHz PCM signal cannot be
played.
1. This unit is compatible with 32 kHz, 44.1
kHz and 48 kHz sampling frequencies.
\ Downsample the DVD player audio to
48 kHz.
7
About the Protective Circuit
This unit incorporates a protective circuit that
protects the amplifier circuits and speaker
system against damage.
As soon as the protective circuit works, the unit
goes into standby mode and the STANDBY
indicator flashes at the same time.
¶
For power-on
For 3 or 4 seconds after the power of the unit
is turned on the protective circuit works and
the sound is muted. Once the amplifier circuits
are stabilized, the protective circuit is released
and the sound is restored.
¶
For heat-up of the power amplifier
When the power amplifier of the unit heats up
under the following conditions, the protective
circuit works and the unit goes into the standby
mode.
• The unit is kept used with excessive signal
input, and the temperature of the main
amplifier section exceeds the set operating
temperature.
• Since the ventilation holes at the rear of the
unit are blocked or the unit is installed in a
narrow rack, the internal temperature of the
unit exceeds the set operating temperature.
In this case, wait until the temperature is
sufficiently lowered, then turn on the unit and
operate it at a lower volume.