Marantz PM4001OSE - Manuale (Pagina 13)

8
ENGLISH
In case of trouble or abnormal operation of the unit, check the
following before contacting service personnel. What may seem
to be a serious malfunction is often the result of a simple
operation mistake. If the trouble persists after checking the
following, please contact your dealer or nearest Marantz
distributor.
* The amplifier does not operate and the
indicators do not light.
1. Check to see if the power cord is inserted properly into the
power outlet.
* The indicators light but the amplifier does not
operate.
1. Check to see if the SELECTOR, SPEAKER switches and
VOLUME control are properly set.
* Sound is heard from only one of the speakers.
1. Check to see if the BALANCE control is properly set.
2. Switch the power of the unit to OFF, and change the
connections of the left and right speaker cords. If the sound
from the same speaker is still not heard, its connection cord
or the speaker itself may be defective.
TROUBLESHOOTING
* Considerable hum noise is heard when the
turntable is played.
1. Check to see if the plugs from the turntable are properly
connected to the PHONO jacks.
2. Connect the grounding wire of the turntable to the GND
terminal on the rear panel of this unit. If it has already been
connected, try removing it.
3. Check to make sure that the phono cartridge is attached
securely to the tonearm.
4. Unplug the power cord and plug it in again after inverting the
orientation of the blades.
* Remote control operation is not possible.
1. Is the remote control unit's transmitter pointed correctly at
the remote sensor on the front of the Amplifier?
Or, is there an obstruction between the transmitter and the
remote sensor?
2. Are the batteries in the remote control unit exhausted?
3. Is there another strong light (from a window, etc.) striking
the Amplifier remote sensor?
4. Is an RCA cord connected to the “REMOTE CONTROL IN”
jack on the Amplifier rear panel?
OTHERS
The section describes the care and maintenance tasks that
must be performed to optimize the operation of your Marantz
equipment.
í Cleaning of equipment external surfaces
The exterior finish of your unit will last indefinitely with proper
care and cleaning, Never use scouring pads, steel wool,
scourging powders or harsh chemical agents (e.g., lye solu-
tion), alcohol, thinner, benzine, insecticide or other volatile
substances as these wil mar the finish of the equipment. Like-
wise, never use cloths containing chemical substances. If the
equipment get dirty, wipe the external surfaces with a soft,
lint-free cloth.
If the equipment becomes heavily soiled:
• dilute some washing up liquid in water, in a ratio of one part
detergent to six parts water.
• dip a soft, lint free in the solution and wring the it is damp.
• wipe the equipment with the damp cloth.
• dry the equipment by wiping it with a dry cloth.
í Repairs
Only the most competent and qualified service technicians
should be allowed to service the factory-trained warranty sta-
tion personnel have the knowledge and special facilities
needed for repair and calibration of this precision equipment.
After the warranty period has expired, repairs will be performed
for a charge if the equipment can be returned to normal op-
eration.
In the event of difficulty, refer to your dealer or write directly to
the nearest location to you that is listed on the Marantz Autho-
rized Service Station list. If writing, please include the model
and serial number of the equipment together with a full de-
scription of what you think is abnormal about the equipment's
behaviour.
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