Bedienungsanleitung Marantz PM4400 (Seite 9 von 13) (Englisch)

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CARE AND MAINTENANCE

This section describes the care and maintenance tasks that must

be performed to optimize the operation of your Marantz equipment.

CLEANING OF EQUIPMENT EXTERNAL SURFACES

The exterior finish of your PM4400 will last indefinitely with proper

care and cleaning. Never use scouring pads, steel wool, scouring

powders or harsh chemical agents (e.g., lye solution), alcohol,

thinners, benzine, insecticide or other volatile substances as

these will mar the finish of the equipment. Likewise, never use

cloths containing chemical substances. If the equipment gets

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 cloth out until

it is damp.

— wipe the equipment with the damp cloth.

— dry the equipment by wiping it with a dry cloth.

REPAIRS

Only the most competent and qualified service technicians

should be allowed to service the equipment. The Marantz company

and its factory-trained warranty station 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 operation.

In the event of difficulty, refer to your dealer or write directly to the

nearest location to you that is listed on the Marantz Authorised

Service Station list. If writing, please include the model and serial

number of the equipment together with a full description of what

you think is abnormal about the equipment’s behaviour.

TROUBLE SHOOTING

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 distribu-

tor.

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 connec-

tions 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.

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?

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Marantz PM4400 Seite 9

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