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17
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 amplifi ers 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.
SYMPTOM CAUSE REMEDY
SR4021 cannot be turned up. The power plug is not connected. Connect the power plug to the outlet.
No sound and picture are output even
when power is on.
Mute is on. Cancel mute using the remote control
unit.
The input cable is not connected
correctly.
See the connection diagram and connect
the cables correctly.
The master volume control is turned all
the way down.
Adjust the master volume.
The function selector position is wrong. Select correct position.
No speaker output. The headphones are connected to the
headphone jack.
Disconnect the headphones. (Speakers
will not output sound when headphones
are connected.)
Incorrect Audio or Video for selected
source.
Input cable connected incorrectly. Connect the cable correctly by referring
to the connection diagram.
Sound is only heard from one of front
speakers
The BALANCE control is set to one end.
One of the connection cords is
disconnected.
Adjust BALANCE control.
Connect the right and left connection
cords securely.
FM or AM reception fails. Antenna connection is incomplete. Correctly connect the indoor FM and
AM antennas to FM and AM antenna
outlets.
Noise is heard during AM reception. Reception is affected by other electrical
elds.
Try changing location where the AM
indoor antenna is set up.
Noise is heard during FM reception. The radio waves from the broadcasting
station are weak.
Install an FM outdoor antenna.
Cannot get programmed station when
the PRESET button is pressed.
Preset data has been erased. Disconnecting power plug for long
periods of time will erase preset data.
If that happens, input the preset data
again.
Control with the remote control unit fails. Batteries are consumed. Replace all the batteries with new ones.
Remote controller's function-key setting
is wrong.
Select different position from which
equipment will be controlled.
The distance between this SR4021 and
the remote commander is too far.
Move closer to this SR4021.
Something is blocking SR4021 and the
remote commander.
Remove offending object.
GENERAL MALFUNCTION
If the equipment malfunctions, this may be because
an electrostatic discharge or AC line interference has
corrupted the information in the equipment memory
circuits. Therefore:
- disconnect the plug from the AC line supply
- after waiting at least three minutes, reconnect
the pl
ug to the AC line supply
- re-attempt to operate the equipment
Memory backup
• In case a power outage occurs or the power
cord is accidentally unplugged, the SR4021
is equipped with a backup function to prevent
memory data such as the preset memory
from being erased. This function provides
approximately one week of memory storage.
HOW TO RESET THE UNIT
RECORDER
F/PBA ND
BALANCE SPEAKERS
2
SOURCE
DIRECT
SPEAKERS
DISPLAY OFF
2
1
BASS
TREBLE
VCR
T-MODE
CLEAR
AUTO TUNEMEMORY
1
DVDDSS21AUXTUNERCDPHONO
DOWN
VOLUME
MULTI JOG
UP
RECEIVER SR4021
SLEEP DIMMER
MUTE
STANDBY
PHONES
POWER ON/OFF
SOURCE
DIRECT
SLEEP
Should the operation or display seem to be abnormal,
reset the unit with the following procedure.
The SR4021 is turned on, press and hold the SLEEP
and SOURCE DIRECT buttons simultaneously for 3
seconds or more.
Remember that the procedure will reset the settings
of the function selector, TUNER PRESET etc., to
their initial settings.
20


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