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.
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 | Mute is on. | Cancel mute using the remote control |
when power is on. |
| unit. |
|
|
|
| The input cable is not connected | See the connection diagram and connect |
| correctly. | the cables correctly. |
|
|
|
| The master volume control is turned all | Adjust the master volume. |
| the way down. |
|
|
|
|
| The function selector position is wrong. | Select correct position. |
|
|
|
No speaker output. | The headphones are connected to the | Disconnect the headphones. (Speakers |
| headphone jack. | will not output sound when headphones |
|
| are connected.) |
|
|
|
Incorrect Audio or Video for selected | Input cable connected incorrectly. | Connect the cable correctly by referring |
source. |
| to the connection diagram. |
|
|
|
Sound is only heard from one of front | The BALANCE control is set to one end. | Adjust BALANCE control. |
speakers | One of the connection cords is | Connect the right and left connection |
| disconnected. | 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 | Try changing location where the AM |
| fi elds. | indoor antenna is set up. |
|
|
|
Noise is heard during FM reception. | The radio waves from the broadcasting | Install an FM outdoor antenna. |
| station are weak. |
|
|
|
|
Cannot get programmed station when | Preset data has been erased. | Disconnecting power plug for long |
the PRESET button is pressed. |
| 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 | Select different position from which |
| is wrong. | equipment will be controlled. |
|
|
|
| The distance between this SR4021 and | Move closer to this SR4021. |
| the remote commander is too far. |
|
|
|
|
| Something is blocking SR4021 and the | Remove offending object. |
| remote commander. |
|
|
|
|
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 plug to the AC line supply
-
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
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.
ENGLISH
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