Are the connections correct?
Is the set being operated as described in the owner’s manual?
Are the other devices operating properly?

If this unit does not operate properly, check the corresponding symptoms in this section.

If none of the symptoms are applicable, consult your dealer as it could be due to a fault in this unit. In this case, disconnect the power immediately and contact the store where you purchased this unit.

Power does not turn on / Power is turned off

Check whether the power plug is correctly inserted into the power outlet.

The Auto Standby mode is set. The Auto Standby mode switches the unit to standby mode when the unit is not operated for approximately 30 minutes. To disable the Auto Standby mode, press and hold the SOURCE DIRECT button on the unit for more than 5 seconds when the Auto Standby mode is enabled.

The protection circuit has been activated due to a rise in temperature within this unit. Turn the power off, wait about an hour until this unit cools down sufficiently, and then turn the power on again.

Please re-install this unit in a place having good ventilation.

Check the speaker connections. The protection circuit may have been activated because speaker cable core wires came in contact with each other or a core wire was disconnected from the connector and came in contact with the rear panel of this unit. After unplugging the power cord, take corrective action such as firmly re-twisting the core wire or taking care of the connector, and then reconnect the wire.

Turn down the volume and turn on the power again.

This unit’s amplifier circuit has failed. Turn off the power and please contact the Marantz service adviser.

Operations cannot be performed through the remote control unit

Batteries are worn out. Replace with new batteries.

Operate the remote control unit within a distance of about 7 m from this unit and at an angle of within 30°.

Remove any obstacle between this unit and the remote control unit.

Insert the batteries in the proper direction, checking the Thread-Plus and Tread-Minus marks.

The set’s remote control sensor is exposed to strong light (direct sunlight, inverter type fluorescent bulb light, etc.). Move the set to a place in which the remote control sensor will not be exposed to strong light.

When using a 3D video device, the remote control unit of this unit may not function due to effects of infrared communications between units (such as TV and glasses for 3D viewing). In this case, adjust the direction of units with the 3D communications function and their distance to ensure they do not affect operations from the remote control unit of this unit.

No sound comes out

Check the connections for all devices.

Insert connection cables all the way in.

Check that input connectors and output connectors are not reversely connected.

Check cables for damage.

Check that speaker cables are properly connected. Check that cable core wires come in contact with the metal part on speaker terminals.

Securely tighten the speaker terminals. Check speaker terminals for looseness.

Check that the proper input source is selected.

Adjust the master volume.

Cancel the muting mode.

Desired sound does not come out

Check that speaker cables are properly connected.

Adjust the BALANCE control knob.

Check whether the left and right speakers are connected to the correct speaker terminals.

Sound is interrupted or noise occurs

Adjust to a proper needle pressure.

Check the tip of the needle.

Replace the cartridge.

Check that the turntable is connected correctly.

If there is a TV or AV device near the turntable, such devices may affect the playback sound. Install the turntable in a location as far away as possible from the TV or other AV devices.

Install the turntable and speakers as far from each other as possible.

The vibrations from the speakers are being transmitted to the player through the floor. Use cushions, etc., to absorb the speakers’ vibrations.

Do not start applications other than the player software while playing music on your computer.

PC or Mac files cannot be played back

Check the OS of the PC or Mac connected to this unit.

A specialized driver needs to be installed when using a Windows PC.

The input indicator of USB-DAC blinks when audio signals that are not supported by this unit are input. Check the settings on your computer or player software.

If the computer you use is “Mac OS”, please check if the “USB High Speed Audio” format is set below “192000.0 Hz” using the “Audio MIDI Setup”.

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