Bedienungsanleitung Marantz PM15S1 (Seite 25 von 28) (Englisch)

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ENGLISH

If you experience trouble with the PM-15S1, make the below

checks before thinking the worst. Improper operation can cause

the PM-15S1 to behave in a way that makes you think

something is wrong with the equipment when actually not. If

the trouble cannot be fixed after making the below checks,

contact the place of purchase, your nearest Marantz dealer,

our customer service center or our repair service center.

* Power does not turn ON.

1. Is the power cable securely plugged into a power outlet?

* Nothing is heard from the speakers.

1. Aren’t the SPEAKERS buttons on the front panel in the

OFF position?

2. Isn’t the attenuation feature (ATT.) active?

3. Isn’t there trouble in the input source selected from the

INPUT SELECTOR knob on the front panel?

4. Are you using the player (replaying device) correctly?

5. Are connection cables and speaker cables securely

connected?

6. Volume may have been muted by a protective circuit that

tripped. Try adjusting the volume level again.

7. If an error message is displayed, correctly set the ID number

as indicated in the table under “Error Messages”.

* Volume level differs between left and right

channels.

The volume level setting may differ between the left and right

channels. Try trimming the volume level again.

* Stereo sound is not heard from the speakers.

The operating mode switch on the rear panel may be set to

“BI-AMP”. Shut power OFF, set the switch to “STEREO” and

then reactive the power. Power must be activated after the

operating mode switch is set for the setting to be active.

* Record player audio is not heard or contains

a lot of noise.

1. Is the PHONO MC button on the front panel set to the type

of cartridge you are using?

2. Are connection cables securely connected?

3. Is the grounding wire from the record player connected to

the PHONO GND terminal?

4. Is the cartridge properly connected to the tone arm?

TROUBLESHOOTING

7 About Protective Circuits

The PM-15S1 is equipped with protective circuits to protect

the amplifier circuits and speaker system against damage. If a

protective circuit trips, the sound is instantly muted. In this

case, “PROTECT” flashes on the display panel.

• At Power ON

For about 8 seconds after power is activated, a protective circuit

trips and mutes the sound to give amplifier circuits time to

stabilize. Once the amplifier circuits stabilize, the protective

circuit releases and audio is enabled.

• In the Event of Overcurrent

A protective circuit trips if current of a certain level is detected,

which can happen if excessive signal flow is input to the

amplifier or if the PM-15S1 is connected to a speaker system

of less than 4 Ω impedance. A protective circuit can also trip if

a speaker cable accidentally shorts. In these cases,

“PROTECT” flashes on the display and, approximately 8

seconds later, the sound is automatically muted and the

protective circuit is released. Therefore, readjust the volume

level to resume normal use.

• If Strong Bass Signals Are Input

A protective circuit trips if bass signals of an excessive level

are detected. In this case, “PROTECT” flashes on the display

and, approximately 8 seconds later, the sound is automatically

muted and the protective circuit is released. Readjust the

volume level to resume normal use.

• If the Power Amplifier Overheats

A protective circuit trips if the temperature of the main amplifier

rises above a certain level, which can happen if excessive

signal flow is continually input into the amplifier. Temperature

can also exceed the trip level of the protective circuits if the

vents on the top of the PM-15S1 are covered or if the PM-

15S1 is installed on a cramped audio rack. In these cases,

“PROTECT” flashes on the display and, when the temperature

inside the unit lowers, the sound is automatically muted and

the protective circuit is released. Readjust the volume level to

resume normal use.

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Marantz PM15S1 Seite 25

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