CARE AND MAINTENANCE
This section describes care and maintenance that you must perform in order to make sure your Marantz amplifier performs at the level for which it is designed. Be sure to unplug the amplifier from the mains supply before any care and maintenance.
NORMAL CLEANING
The exterior of your amplifier will last indefinitely with proper care and cleaning. For normal cleaning, wipe exterior surfaces with a soft,
IMPORTANT:
Any of the following will mar the finish of your amplifier and should never be used for cleaning.
—Scouring pads, steel wool, abrasive powders
—Harsh chemical agents (such as a lye solution)
—Alcohol, thinners, benzine, insecticide, or other volatile agents.
SPECIAL CLEANING
Should it amplifier ever become so soiled that normally cleaning is not enough, use the following procedure for cleaning.
1.Prepare a cleaning solution of one part mild neutral liquid detergent and six parts water.
2.Moisten a soft,
3.Wipe off the amplifier with the damp cloth.
4.Dry the amplifier by wiping it with a soft dry cloth.
REPAIRS
Only the most competent and qualified serviced technicians should be allowed to service this amplifier. Marantz and its
Whenever you experience problems, first try to solve the problem yourself using the troubleshooting procedures provided on this page. If this does not work, contact your original dealer or write directly to your nearest service provider as listed on the Marantz Authorised Service Station list. When you write, be sure to include the model and serial number of your amplifier, together with a detailed description of the problem.
TROUBLESHOOTING
Whenever you have a problem with the amplifier, check the following points before requesting service. What may seem to be a serious malfunction is often the result of a simple operational error. If you still have problems, contact your original dealer or write directly to your nearest service provider as listed on the Marantz Authorised Service Station list.
The amplifier does not operate and indicators do not light.
1.Check to see if the power cord is correctly inserted into a power outlet.
Indicators light, but the amplifier does not operate.
1.Check the SELECTOR and VOLUME settings.
2.Check to see if the supplied connecting pins are correctly inserted into the PROCESSOR IN/OUT jacks.
Sound is being produced by only one speaker.
1.Check the BALANCE setting.
2.Turn off the amplifier and switch the connections of the left and right speaker cords. If the same speaker still does not produce sound, it probably means that the connection cord or the speaker itself is defective.
Considerable humming is produced when playing from a turntable.
1.Check to see if the plugs from the turntable are properly connected to the amplifier’s PHONO jacks.
2.Connect the turntable’s ground wire to the GND terminal on the rear panel of the amplifier. If the ground wire is already connected, try disconnecting it.
3.Check to make sure that the turntable’s phono cartridge is securely attached to the tone arm.
Cannot perform remote operation.
1.Make sure the remote control unit’s (RC8000PM) transmitter is pointed directly as the amplifier’s remote sensor when you perform a remote control unit opera- tion.
2.Check for obstructions between the remote control unit’s transmitter and the amplifier’s remote sensor.
3.Check the batteries of the remote control unit.
4.Make sure there is no strong light (from a window or other source) shining on the amplifier’s remote sensor.
5.Check to see if there is an RCA cord connected to the REMOTE CONTROL IN jack on the amplifier’s rear panel.
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