Troubleshooting, Others, Repairs | Marantz PM4001OSE specs

TROUBLESHOOTING

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.

*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?

ENGLISH

OTHERS

The 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 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.

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.

PM4001, PM4001OSE specifications

The Marantz PM4001 and PM4001OSE are distinguished integrated amplifiers that reflect a commitment to high-quality audio performance. Designed to deliver clear, powerful sound, these amplifiers are ideal for both music enthusiasts and home theater systems.

The PM4001 features a robust and elegant design that encapsulates Marantz's heritage of premium audio equipment. With a total output power of 70 watts per channel into 8 ohms, it provides ample power to drive a wide range of speakers, ensuring dynamic sound reproduction across different musical genres.

One of the standout features of the PM4001 is its high-current design, which ensures that the amplifier can quickly respond to the demands of complex musical passages. This is achieved through the use of high-quality components, including a custom transformer and high-grade capacitors, that contribute to improved sound fidelity.

The PM4001OSE, an upgraded version of the PM4001, incorporates enhanced technologies such as the Marantz HDAM (Hyper Dynamic Amplification Module). This technology is designed to minimize distortion while maximizing bandwidth and dynamic range. The incorporation of HDAM allows for a more detailed and immersive listening experience, giving music lovers greater appreciation for their favorite tracks.

Both models also contain a discrete headphone amplifier section, providing the flexibility of private listening with high-quality sound. The adjustable impedance allows users to match the amplifier with a wide range of headphones, enhancing the versatility of these units.

In terms of connectivity, the PM4001 and PM4001OSE offer multiple input options, including phono inputs for vinyl enthusiasts, as well as line-level inputs for additional audio sources. This versatility makes them suitable for a variety of audio setups, from traditional stereo arrangements to modern multimedia systems.

Moreover, both amplifiers feature a simple, user-friendly interface with a remote control option, allowing users to easily switch inputs or adjust volume without hassle. The build quality of these amps is also notable, boasting solid construction that minimizes vibration and enhances durability.

In conclusion, the Marantz PM4001 and PM4001OSE represent a fusion of classic design and modern technology, delivering outstanding audio performance and flexibility. Their advanced features, coupled with Marantz's heritage in high-fidelity audio equipment, make them a popular choice for audiophiles and casual listeners alike. Whether for casual listening or serious music appreciation, these amplifiers stand out as excellent choices in the integrated amplifier market.