Yamaha A-U670 El kitabı

Integrated Amplifier / Amplificateur Intégré

OWNER’S MANUAL

MODE D’EMPLOI

BEDIENUNGSANLEITUNG

BRUKSANVISNING

MANUALE DI ISTRUZIONI

MANUAL DE INSTRUCCIONES

GEBRUIKSAANWIJZING

ИНСТРУКЦИЯ ПО ЭКСПЛУАТАЦИИ

G

http://europe.yamaha.com/warranty/

AVEEA71102A

Wichtiger Hinweis: Garantie-Information für Kunden in der EWR*

und der Schweiz

Deutsch

Remarque importante: informations de garantie pour les clients

de l’EEE et la Suisse

Français

Viktigt: Garantiinformation för kunder i EES-området* och Schweiz

Svenska

Für nähere Garantie-Information über dieses Produkt von Yamaha, sowie über den

Pan-EWR*- und Schweizer Garantieservice, besuchen Sie bitte entweder die folgend angegebene

Internetadresse (eine druckfähige Version befindet sich auch auf unserer Webseite), oder wenden

Sie sich an den für Ihr Land zuständigen Yamaha-Vertrieb. *EWR: Europäischer Wirtschaftsraum

Pour des informations plus détaillées sur la garantie de ce produit Yamaha et sur le service de

garantie applicable dans l’ensemble de l’EEE ainsi qu’en Suisse, consultez notre site Web à

l’adresse ci-dessous (le fichier imprimable est disponible sur notre site Web) ou contactez

directement Yamaha dans votre pays de résidence. * EEE : Espace Economique Européen

Belangrijke mededeling: Garantie-informatie voor klanten in de

EER* en Zwitserland

Nederlands

Aviso importante: información sobre la garantía para los clientes

del EEE* y Suiza

Español

Avviso importante: informazioni sulla garanzia per i clienti

residenti nell’EEA* e in Svizzera

Italiano

Voor gedetailleerde garantie-informatie over dit Yamaha-product en de garantieservice in heel

de EER* en Zwitserland, gaat u naar de onderstaande website (u vind een afdrukbaar bestand

op onze website) of neemt u contact op met de vertegenwoordiging van Yamaha in uw land.

* EER: Europese Economische Ruimte

Para una información detallada sobre este producto Yamaha y sobre el soporte de garantía

en la zona EEE* y Suiza, visite la dirección web que se incluye más abajo (la version del

archivo para imprimir esta disponible en nuestro sitio web) o póngase en contacto con el

representante de Yamaha en su país. * EEE: Espacio Económico Europeo

Per informazioni dettagliate sulla garanzia relativa a questo prodotto Yamaha e l’assistenza in

garanzia nei paesi EEA* e in Svizzera, potete consultare il sito Web all’indirizzo riportato di

seguito (è disponibile il file in formato stampabile) oppure contattare l’ufficio di rappresentanza

locale della Yamaha. * EEA: Area Economica Europea

För detaljerad information om denna Yamahaprodukt samt garantiservice i hela EES-området*

och Schweiz kan du antingen besöka nedanstående webbaddress (en utskriftsvänlig fil finns

på webbplatsen) eller kontakta Yamahas officiella representant i ditt land. * EES: Europeiska

Ekonomiska Samarbetsområdet

Important Notice: Guarantee Information for customers in EEA*

and Switzerland

For detailed guarantee information about this Yamaha product, and Pan-EEA* and

Switzerland warranty service, please either visit the website address below (Printable file is

available at our website) or contact the Yamaha representative office for your country.

* EEA: European Economic Area

English

Printed in China ZS21880

Italiano Español РусскийSvenskaEnglish Français Deutsch

Nederlands

CAUTION: READ THIS BEFORE OPERATING YOUR UNIT.

i En

1 To assure the finest performance, please read this manual carefully. Keep it in a safe place for future

reference.

2 Install this sound system in a well ventilated, cool, dry, clean place - away from direct sunlight, heat

sources, vibration, dust, moisture, and/or cold. For proper ventilation, allow the following minimum

clearances.

Top: 10 cm (4 in.)*, Rear: 10 cm (4 in.), Sides: 10 cm (4 in.)

*Except CD-NT670/CD-NT670D

3 Locate this unit away from other electrical appliances, motors, or transformers to avoid humming sounds.

4 Do not expose this unit to sudden temperature changes from cold to hot, and do not locate this unit in an

environment with high humidity (i.e. a room with a humidifier) to prevent condensation inside this unit,

which may cause an electrical shock, fire, damage to this unit, and/or personal injury.

5 Avoid installing this unit where foreign object may fall onto this unit and/or this unit may be exposed to

liquid dripping or splashing. On the top of this unit, do not place:

– Other components, as they may cause damage and/or discoloration on the surface of this unit.

– Burning objects (i.e. candles), as they may cause fire, damage to this unit, and/or personal injury.

– Containers with liquid in them, as they may fall and liquid may cause electrical shock to the user

and/or damage to this unit.

6 Do not cover this unit with a newspaper, tablecloth, curtain, etc. in order not to obstruct heat radiation.

If the temperature inside this unit rises, it may cause fire, damage to this unit, and/or personal injury.

7 Do not plug in this unit to a wall outlet until all connections are complete.

8 Do not operate this unit upside-down. It may overheat, possibly causing damage.

9 Do not use force on switches, knobs and/or cords.

10 When disconnecting the power cable from the wall outlet, grasp the plug; do not pull the cable.

11 Do not clean this unit with chemical solvents; this might damage the finish. Use a clean, dry cloth.

12 Only voltage specified on this unit must be used. Using this unit with a higher voltage than specified is

dangerous and may cause fire, damage to this unit, and/or personal injury. Yamaha will not be held

responsible for any damage resulting from use of this unit with a voltage other than specified.

13 To prevent damage by lightning, keep the power cable and outdoor antennas disconnected from a wall

outlet or this unit during a lightning storm.

14 Do not attempt to modify or fix this unit. Contact qualified Yamaha service personnel when any service

is needed. The cabinet should never be opened for any reasons.

15 When not planning to use this unit for long periods of time (i.e. vacation), disconnect the AC power

plug from the wall outlet.

16 Be sure to refer to the “Troubleshooting” section for common operating errors before concluding that

this unit is faulty.

17 Before moving this unit, press A to set it to standby mode and disconnect the AC power plug from the

wall outlet.

18 Condensation will form when the surrounding temperature changes suddenly. Disconnect the power

cable from the outlet, then leave this unit alone.

19 When using this unit for a long time, this unit may become warm. Turn the power off, then leave this

unit alone for cooling.

20 Install this unit near the AC outlet and where the AC power plug can be reached easily.

21 Excessive sound pressure from earphones and headphones can cause hearing loss.

CAUTION: READ THIS BEFORE OPERATING YOUR UNIT.

WARNING

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT

TO RAIN OR MOISTURE.

This unit is not disconnected from the AC power source as long as it is connected to the wall

outlet, even if this unit itself is turned off by A. This state is called the standby mode. In this

state, this unit is designed to consume a very small quantity of power.

The user shall not reverse engineer, decompile, alter, translate or disassemble the software used in

this unit, whether in part or in whole. For corporate users, employees of the corporation itself as

well as its business partners shall observe the contractual bans stipulated within this clause. If the

stipulations of this clause and this contract cannot be observed, the user shall immediately

discontinue using the software.

CAUTION: READ THIS BEFORE OPERATING YOUR UNIT.

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English

n For U.K. customers

If the socket outlets in the home are not suitable for the plug supplied with this appliance, it should be

cut off and an appropriate 3 pin plug fitted. For details, refer to the instructions described below.

The plug severed from the mains lead must be destroyed, as a plug with bared flexible cord is

hazardous if engaged in a live socket outlet.

n Special Instructions for U.K. Model

Note

IMPORTANT

THE WIRES IN MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE

FOLLOWING CODE:

Blue: NEUTRAL

Brown: LIVE

As the colours of the wires in the mains lead of this apparatus may not correspond with the

coloured markings identifying the terminals in your plug, proceed as follows:

The wire which is coloured BLUE must be connected to the terminal which is marked with the

letter N or coloured BLACK. The wire which is coloured BROWN must be connected to the

terminal which is marked with the letter L or coloured RED.

Making sure that neither core is connected to the earth terminal of the three pin plug.

Information for Users on Collection and Disposal of Old

Equipment

This symbol on the products, packaging, and/or accompanying documents means

that used electrical and electronic products should not be mixed with general

household waste.

For proper treatment, recovery and recycling of old products, please take them to

applicable collection points, in accordance with your national legislation and the

Directives 2002/96/EC.

By disposing of these products correctly, you will help to save valuable resources

and prevent any potential negative effects on human health and the environment

which could otherwise arise from inappropriate waste handling.

For more information about collection and recycling of old products, please contact

your local municipality, your waste disposal service or the point of sale where you

purchased the items.

[Information on Disposal in other Countries outside the European Union]

This symbol is only valid in the European Union. If you wish to discard these items,

please contact your local authorities or dealer and ask for the correct method of

disposal.

We, Yamaha Music Europe GmbH hereby declare that this unit is in compliance with the essential

requirements and other relevant provisions of Directive 1999/5/EC.

Yamaha Music Europe GmbH

Siemensstr. 22-34 25462 Rellingen, Germany

Tel: +49-4101-303-0

INTRODUCTION

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INTRODUCTION ................................................................... 2

What the unit can do ......................................................................................2

Supplied accessories......................................................................................2

NAMES AND FUNCTIONS OF THE PARTS ..................................... 3

Front panel .....................................................................................................3

Rear panel......................................................................................................4

CONNECTIONS .................................................................... 5

Connecting a network CD player ....................................................................5

Connecting speakers......................................................................................5

Connecting a subwoofer.................................................................................6

Connecting to power source ..........................................................................6

PLAYBACK ......................................................................... 7

Playing a source.............................................................................................7

PLAYING BACK MUSIC STORED ON A PC

(USB DAC FUNCTION) (A-U670 only)........................................ 8

ADJUSTING TO THE DESIRED SOUND (A-U670 only) ......................10

INTERLOCKING WITH A NETWORK CD PLAYER.............................10

Operating the power with the remote control...............................................10

Adjusting the sound volume with the remote control...................................10

Operating mute with the remote control.......................................................10

Selecting input (A-U670 only)......................................................................10

TROUBLESHOOTING.............................................................11

SPECIFICATIONS.................................................................13

u The unit is an integrated amplifier that plays back analog stereo signals with high

quality sound. Combined with speakers, the unit can play back music with high audio

quality.

u TREBLE (high-frequency range), BASS (low-frequency range), and BALANCE (right

and left balance) can be desirably adjusted with the controls on the front panel.

u The USB DAC function allows you to play back music stored on a PC (+page 8).(A-

U670 only)

u Enjoy pure, high fidelity sound by using the PURE DIRECT function (+page 10).(A-

U670 only)

u Boost bass sounds by connecting a subwoofer (+page 6).

Please check that you received all of the following parts.

CONTENTS

INTRODUCTION

What the unit can do

Supplied accessories

System connection cable

NAMES AND FUNCTIONS OF THE PARTS

3 En

English

1 A (Power) button

Turns this unit on, or sets it to standby mode.

In standby mode, the unit consumes a small amount of power.

2 Power indicator

Lights up when the unit is turned on.

3

PHONES jack

Connect your headphones.

When headphones are connected, no sound comes from the speakers or subwoofer.

4 BASS control

Increases or decreases the low frequency response.

Control range: –10 dB to +10 dB

5 TREBLE control

Increases or decreases the high frequency response.

Control range: –10 dB to +10 dB

6 BALANCE control

Adjusts the sound output balance of the left and right speakers to compensate for

sound imbalances.

7 VOLUME control

Adjusts the volume.

8

USB DAC indicators (A-U670 only)

Lights up when audio signals are input to the USB DAC jack of this unit (+page 9).

9

PURE DIRECT button and indicator (A-U670 only)

Reproduces any input source in the purest sound possible (+page 10).

The indicator lights up when the PURE DIRECT function is turned on.

NAMES AND FUNCTIONS OF THE PARTS

Front panel

(A-U670)

Notes

NAMES AND FUNCTIONS OF THE PARTS

4 En

1 USB DAC (Type B) jack (A-U670 only)

Used to connect a PC (+page 5).

2

ANALOG IN jacks

Used to connect a network CD player (+page 5).

3

SYSTEM jack

Used to connect a network CD player (+page 5).

4

SUBWOOFER jack

Used to connect a subwoofer with built-in amplifier (+page 5).

5

SPEAKERS terminals

Used to connect speakers (+page 5).

6

Power cable

Rear panel

(A-U670)

CONNECTIONS

5 En

English

Make sure to connect L (left) to L, R (right) to R, “+” to “+” and “–” to “–.” If the connections are faulty, no sound may be heard from the speakers, and if the polarity of the speaker

connections is incorrect, the sound may be unnatural and lack bass. Refer to the owner’s manual for each of your components. Make sure to use RCA type cables, the supplied system

connection cable, or a commercially available USB cables (A-U670 only) to connect audio components.

Do not connect this unit or other components to the main power until all connections between components are complete.

As shown in the figure, connect the ANALOG OUT jacks of the network CD player (CD-

NT670/CD-NT670D) to the ANALOG IN jacks of the unit by using the RCA stereo cable

supplied with the network CD player, and connect the SYSTEM jacks of the both

equipment to each other by using the supplied system connection cable.

When the SYSTEM jacks of the unit and the network CD player are connected to each

other, you can use the remote control of the network CD player to operate the unit

(+page 10).

Connect the SPEAKERS terminals of the unit and the terminals of the speakers as shown

in the figure.

CONNECTIONS

CAUTION

Connecting a network CD player Connecting speakers

CONNECTIONS

6 En

n Connecting speaker cables

1 Remove approximately 10 mm (3/8”) of insulation from the end of each speaker cable.

2 Twist the bare wires of the cable firmly together.

3 Unscrew the knob.

4 Insert one bare wire into the hole in the side of each terminal.

5 Tighten the knob to secure the wire.

• Use speakers with the impedance of 6 Ω or higher.

• Do not let bare speaker wires touch each other or any metal part of this unit. This could

damage this unit and/or the speakers.

n Using a banana plug (North America, China, Taiwan and

Australia models only)

1 Tighten the knob.

2 Insert the banana plug into the end of the corresponding terminal.

To use a subwoofer, connect the jack of the subwoofer to the SUBWOOFER jack of the

unit as shown in the figure.

After all the connections are complete, plug in the power cable to the AC outlet.

CAUTION

10 mm

(3/8”)

Red: positive (+)

Black: negative (–)

Banana plug

Connecting a subwoofer

Connecting to power source

Subwoofer

PLAYBACK

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English

1 Press the A (power) button on the front panel to turn on the unit.

You can also turn on the unit by pressing the

A (power) button on the remote control

of the connected network CD player if the SYSTEM jacks of the network CD player

and of the unit are connected to each other.

The unit is turned on by interlocking with the network CD player (+page 10).

2 Select the input source on the network CD player and play the source.

3 Rotate the VOLUME control on the front panel to adjust the volume.

You can also adjust the volume by pressing VOLUME +/– buttons on the remote

control of the connected network CD player if the SYSTEM jacks of the network CD

player and of the unit are connected to each other.

4 When finished listening, press A (power) button on the front panel to

set the unit to standby mode.

PLAYBACK

Playing a source

VOLUME

Auto power standby function

• The auto power standby function will be activated as follows (default setting).

- The unit turn off automatically if no operation has been performed for more than 8 hours.

Activating/deactivating the auto power standby function

1 While pressing and holding

A (power) on the unit, plug in the power cable to the

AC outlet.

2 Keep pressing A (power).

• The auto power standby function switches and the power indicator blink as follows:

- Auto power standby function is activated: blink twice

- Auto power standby function is deactivated: blink once

• If the SYSTEM jacks of the network CD player and the unit are connected to each other, and the

network CD player is turned on, the unit operates interlocking with auto power standby function

of the network CD player.

Notes

PLAYING BACK MUSIC STORED ON A PC (USB DAC FUNCTION) (A-U670 ONLY)

8 En

When a PC is connected to the USB DAC jack of the unit, the unit works as a USB DAC

and can play back songs stored on the PC.

n Supported operating systems

The USB connection is available for PCs with the following operating systems:

For Windows: Windows 7 (32/64bit) / Windows 8 (32/64bit) /Windows 8.1 (32/64bit)

For Mac: OS X 10.6.4 or later

• Operations with other operating systems are not guaranteed.

• Operations may be disabled even with the above-mentioned operating systems, depending on the

configuration or environment of the PC.

n Installing the dedicated driver

Before connecting a PC to this unit, install the dedicated driver on the PC. The dedicated

driver is available only for Windows. For Mac, the standard driver of Mac OS is available

for setting.

1 Access the following URL to download the dedicated “Yamaha HiFi USB

Driver,” and unzip and execute the file.

2 Install the downloaded “Yamaha HiFi USB Driver” to your PC.

For details, refer to the Installation Guide supplied with the downloaded driver.

3 When installation is complete, quit all running applications.

• Operations may not be executed correctly if the PC is connected to this unit before the driver is

installed.

• The “Yamaha HiFi USB Driver” is subject to change without prior notice. For details and the latest

information, refer to the download page for the driver.

PLAYING BACK MUSIC STORED ON A PC (USB DAC FUNCTION) (A-U670 ONLY)

Notes

PC

USB cable (Type B)

Rear panel

Website for downloading the dedicated driver

URL: http://download.yamaha.com/

Notes

PLAYING BACK MUSIC STORED ON A PC (USB DAC FUNCTION) (A-U670 ONLY)

9 En

English

n Playing back music stored on a PC

Check if the SYSTEM jacks of the network CD player and of the unit are connected to

each other. If not connected, operation is unavailable with the network CD player and its

remote control.

1 Connect the PC to the unit with a USB cable.

2 Turn on the PC.

3 Press the A (power) button on the front panel to turn on the unit.

You can also turn on the unit by pressing the

A (power) button on the remote control

of the connected network CD player.

The unit is turned on by interlocking with the network CD player (+page 10).

4 Press the USB button on the remote control of the connected network

CD player (or rotate the INPUT knob of the connected network CD

player) to select [USB DAC].

5 Set the audio output destination of the PC to “Yamaha A-U670/A-U671.”

With Windows OS:

Control Panel -> Hardware and Sound -> Sound -> [Playback] tab

With Mac OS:

System Preferences -> Sound -> [Output] tab

The setting may vary, depending on the operating systems. For details, consult the

manufacturer of your PC.

6 Operate the PC to start playback of music files.

When the music signal is input from the PC to the unit, the USB DAC indicator on

the front panel lights up in accordance with the sampling frequency of the music

being played. Sampling frequencies available for the unit are as follows:

n Adjusting the sound volume

To obtain higher sound quality, set the sound volume at the PC to the maximum, and

gradually increase the volume at this unit from the minimum to your desired level.

• Do not disconnect the USB cable, turn off the unit, or change the input while playback on a PC

connected via the USB cable is in progress. Doing so may cause a malfunction.

• To mute operation sounds of the PC during music playback, change the setting on the PC.

•

If music files cannot be played correctly, restart the computer and perform the mentioned procedure again.

• The music files stored on a PC cannot be controlled from this unit. Operate them on the PC.

• When the unit is not connected with a network CD player, or when a network CD player is turned

off even if the SYSTEM jacks of the unit and of the network CD player are connected, the input

source automatically switches to USB when the unit detects the PC connected to it. When the unit

cannot recognize the connection, the input source automatically switches to ANALOG IN.

USB DAC

indicator

A

Indicator Frequency

PCM

×1 44.1/48 kHz

×2 88.2/96 kHz

×4 176.4/192 kHz

×8 352.8/384 kHz

DSD

×1 2.8224 MHz

×2 5.6448 MHz

Notes

ADJUSTING TO THE DESIRED SOUND (A-U670 ONLY)

10 En

n Reproducing pure, high fidelity sound (PURE DIRECT)

With the PURE DIRECT function on, the BASS, TREBLE, and BALANCE circuits are

bypassed to reduce noises. Therefore, in all input sources, you can enjoy music playback

in straight and high quality sound.

Press the PURE DIRECT button on the front panel to switch the PURE DIRECT function

on or off.

The PURE DIRECT indicator lights up when this function is turned on.

The BASS, TREBLE, and BALANCE controls do not function while the PURE DIRECT function is

turned on.

Operation is available with the remote control of the network CD player (CD-NT670/CD-

NT670D).

Check if the SYSTEM jacks of the unit and the network CD player are connected to each

other.

Pressing the

A (power) button of the remote control causes the unit to turn on or enter the

standby mode by interlocking with the network CD player.

y

Even if the A (power) button on the unit is pressed, interlocking does not work. The unit and the

network CD player are independently turned on or enter the standby mode.

With either the unit or the network CD player on, if you press the

A (power) of the remote control,

the unit will be turned on or enter the standby mode according to the status of the network CD player.

You can adjust the sound volume by pressing the VOLUME +/– buttons of the remote

control.

You can turn on or off mute by pressing the MUTE button on the remote control.

You can select USB as the input source of the unit by pressing the USB button of the

remote control (or rotate the INPUT knob of the connected network CD player).

ADJUSTING TO THE DESIRED SOUND (A-U670

ONLY)

Notes

PURE DIRECT

INTERLOCKING WITH A NETWORK CD PLAYER

Operating the power with the remote control

Adjusting the sound volume with the remote control

Operating mute with the remote control

Selecting input (A-U670 only)

TROUBLESHOOTING

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English

Refer to the chart below if this unit does not function properly. If the problem you are experiencing is not listed below or if the instructions below do not help, turn off this unit,

disconnect the power cable, and then contact the nearest authorized Yamaha dealer or service center.

TROUBLESHOOTING

Problem Cause Solution See page

This unit fails to turn on. The power cable is not connected or the plug is not completely

inserted.

Connect the power cable firmly.

6

The protection circuitry has been activated because of a short

circuit, etc.

Check that the speaker wires are not touching each other and then turn the

power of this unit back on.

6

There is a problem with the internal circuitries of this unit. Disconnect the power cable and contact the nearest authorized Yamaha

dealer or service center.

-

A speaker with a low impedance is connected. Use speaker(s) with proper speaker impedance (6 Ω or higher).

6

This unit turns off suddenly and the power

indicator turns off.

The speaker wires are touching each other or shorting out against

the rear panel.

Connect the speaker cables properly and turn the power on again. Confirm

normal sound output from speakers after the unit is turned on.

6

The speaker is malfunctioning. Replace the speaker set and turn the power on again. Confirm normal

sound output from speakers after the unit is turned on.

-

This unit has been exposed to a strong external electric shock (such

as lightning or strong static electricity).

Turn off this unit, disconnect the power cable, plug it back in after 30

seconds, then use the unit normally.

-

There is a problem with the internal circuitries of this unit. Disconnect the power cable and contact the nearest authorized Yamaha

dealer or service center.

-

No sound. Headphones are connected.

(When headphones are connected, no sound comes from the

speakers or subwoofer.)

Disconnect headphones when you use the speakers or subwoofer.

-

Incorrect cable connections. Connect the stereo cable for audio units and the speaker wires properly. If

the problem persists, the cables may be defective.

5

Playback has been stopped on the connected component. Turn the component on and start playback.

7

(A-U670 only) The driver is not installed in the PC connected with

the unit via USB.

Before connecting a PC to this unit, install the driver on the PC.

8

The volume of the unit is set to the minimum. Turn up the volume with the VOLUME control so that you can hear

sound.

-

The unit cannot be turned off. The internal microprocessor is frozen due to an external electronic

shock (lightning, excessive static electricity, etc.) or decrease in the

power supply voltage.

Press the power button on the front panel of the unit for 10 seconds or

more to restart the unit (If the problem persists, unplug the power cable

and after about 30 seconds, then plug it back in again).

-

TROUBLESHOOTING

12 En

Only the speaker on one side can be

heard.

Incorrect cable connections. Connect the cables properly. If the problem persists, the cables may be

defective.

5

Incorrect setting for the BALANCE control. Set the BALANCE control to the appropriate position.

3

There is a lack of bass and no ambience. (When a subwoofer is connected.)

The subwoofer is not properly connected.

Connect the cables properly. If the problem persists, the setting for the

subwoofer may be incorrect.

6

The + and – wires are connected in reverse at the amplifier or the

speakers.

Connect the speaker wires to the correct + and – phase.

6

Incorrect setting for the BASS control. Set the BASS control to the appropriate position.

3

A “humming” sound can be heard. Incorrect cable connections. Connect the audio plugs firmly. If the problem persists, the cables may be

defective.

5

The sound level is low. The volume of the unit is set to a low level. Turn up the volume with the VOLUME control so that you can hear

sound.

7

(A-U670 only) The volume of the PC connected with the unit via

USB is set to a low level.

Turn up the volume of the PC.

-

(A-U670 only) The BASS, TREBLE, and

BALANCE controls does not work.

The PURE DIRECT function is turned on. Turn off the PURE DIRECT function.

10

(A-U670 only) The connected PC does not

recognize this unit.

The operating system of the PC is not supported. Use a PC with an operation-guaranteed operating system.

8

Improper USB cable connection. Connect the USB cable properly.

8

The output of the PC or application is muted. Cancel the sound muting of the PC or application.

-

(A-U670 only) Noisy playback. Another application is launched on the PC while a music file is

being played.

(If another application is launched while a music file is being

played, sound may be momentarily lost or noise may be generated.)

Do not launch other applications during playback.

-

(A-U670 only) The sound is interrupted. Another application is launched on the PC while a music file is

being played.

(If another application is launched while a music file is being

played, sound may be momentarily lost or noise may be generated.)

Do not launch other applications during playback.

-

(A-U670 only) Music files cannot be

played.

The music data are not properly reproduced, because this unit is

connected to the PC or the input of this unit is switched to USB

while the music application is running on the PC.

Connect this unit to the PC and set the input of the unit to USB in

advance. Then launch the music application and start playback.

8

The dedicated “Yamaha HiFi USB Driver” has not been installed

correctly.

Install the “Yamaha HiFi USB Driver” again by following the correct

procedure.

8

The audio output destination of the computer is not set to “Yamaha

A-U670/A-U671.”

Set the audio output destination of the computer to “Yamaha A-U670/A-

U671.”

9

Problem Cause Solution See page

SPECIFICATIONS

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English

AUDIO SECTION

n ANALOG IN

• Input jack ............................................................................RCA jack

n USB DAC (A-U670 only)

• Input jack ..................................... USB (Type B), supported USB2.0

• Supported sampling frequencies

........................................ 384/352.8/192/176.4/96/88.2/48/44.1 kHz

• PCM word depths ..........................................................32/24/16 bits

• DSD ................................................................... 2.8224/5.6448 MHz

n SPEAKERS

• Maximum output power (6 Ω, 1 kHz, 10% THD)

[A-670] ........................................................................ 65 W + 65 W

[A-U670].......................................................................70 W + 70 W

• Frequency response (10 Hz to 40 kHz) .................................0±3 dB

• Total harmonic distortion (30 W/6 Ω, 1 kHz) ..............0.05% or less

n PHONES

• Output level/Output impedance

(Input 1 kHz, 230 mV, 32 Ω terminated)

..................................................................................... 500 mV/24 Ω

n SUBWOOFER

• Output level/Output impedance (Input 1 kHz, 230 mV)

..........................................................................................2.0 V/1 kΩ

GENERAL

• Power supply .......................................... AC 220 to 240 V, 50/60 Hz

• Power consumption

[A-670] ...................................................................................... 28 W

[A-U670] ...................................................................................30 W

• Standby power consumption

(with system connection/without system connection).............. 0.5 W

• Dimensions (W × H × D)

..............................314 × 70 × 342 mm (12-3/8" × 2-3/4" × 13-1/2")

• Weight....................................................................... 3.3 kg (7.3 lbs.)

Specifications are subject to change without notice.

SPECIFICATIONS

ATTENTION : VEUILLEZ LIRE CE QUI SUIT AVANT D’UTILISER L’APPAREIL.

i Fr

1 Pour utiliser l’appareil au mieux de ses possibilités, lisez attentivement ce mode d’emploi.

Conservez-le soigneusement pour référence.

2 Installez cet ensemble audio dans un endroit bien aéré, frais, sec et propre - veillez à ce qu’il soit à

l’abri de la lumière directe du soleil, des sources de chaleur, des vibrations, des poussières, de

l’humidité et/ou du froid. Pour une ventilation correcte, ménagez l’espace minimum suivant.

Au-dessus : 10 cm*, À l’arrière : 10 cm, Sur les côtés : 10 cm

* À l’exception du CD-NT670/CD-NT670D

3 Placez l’appareil loin des équipements, moteurs et transformateurs électriques, pour éviter les

ronflements parasites.

4 N’exposez pas l’appareil à des variations brutales de température, ne le placez pas dans un

environnement très humide (par exemple dans une pièce contenant un humidificateur) car cela peut

entraîner la condensation d’humidité à l’intérieur de l’appareil qui elle-même peut être responsable de

décharge électrique, d’incendie, de dommage à l’appareil ou de blessure corporelle.

5 Evitez d’installer l’appareil dans un endroit où des objets peuvent tomber, ainsi que là où l’appareil

pourrait être exposé à des éclaboussures ou des gouttes d’eau. Sur le dessus de l’appareil, ne placez pas :

– d’autres appareils qui peuvent endommager la surface de l’appareil ou provoquer sa décoloration.

– des objets se consumant (par exemple, une bougie) qui peuvent être responsables d’incendie, de

dommage à l’appareil ou de blessure corporelle.

– des récipients contenant des liquides qui peuvent être à l’origine de décharge électrique ou de

dommage à l’appareil.

6 Ne couvrez pas l’appareil d’un journal, d’une nappe, d’un rideau, etc. car cela empêcherait l’évacuation

de la chaleur. Toute augmentation de la température intérieure de l’appareil peut être responsable

d’incendie, de dommage à l’appareil ou de blessure corporelle.

7 Ne branchez pas la fiche du câble d’alimentation de l’appareil sur une prise secteur aussi longtemps que

tous les raccordements n’ont pas été effectués.

8 Ne pas faire fonctionner l’appareil à l’envers. Il risquerait de chauffer et d’être endommagé.

9 N’exercez aucune force excessive sur les commutateurs, les boutons et les cordons.

10 Pour débrancher la fiche du cordon d’alimentation au niveau de la prise secteur, saisissez la fiche et ne

tirez pas sur le cordon.

11 Ne nettoyez pas l’appareil au moyen d’un solvant chimique, ce qui pourrait endommager la finition.

Utilisez un chiffon sec et propre.

12 N’alimentez l’appareil qu’à partir de la tension prescrite. Alimenter l’appareil sous une tension plus

élevée est dangereux et peut être responsable d’incendie, de dommage à l’appareil ou de blessure

corporelle. Yamaha ne saurait être tenue responsable des dommages résultant de l’alimentation de

l’appareil sous une tension autre que celle prescrite.

13 Pour empêcher tout dommage causé par les éclairs, déconnectez le câble d’alimentation et toute

antenne extérieure de la prise murale pendant un orage.

14 Ne tentez pas de modifier ni de réparer l’appareil. Consultez le service Yamaha compétent pour toute

réparation qui serait requise. Le coffret de l’appareil ne doit jamais être ouvert, quelle que soit la raison.

15 Si vous envisagez de ne pas vous servir de l’appareil pendant une longue période (par exemple, pendant

les vacances), débranchez la fiche du câble d’alimentation au niveau de la prise secteur.

16 Veuillez vous reporter à la section « Guide de dépannage » concernant les erreurs de fonctionnement

courantes avant d’en conclure que l’appareil est défectueux.

17 Avant de déplacer l’appareil, appuyez sur A pour placer l’appareil en veille puis débranchez la fiche du

câble d’alimentation au niveau de la prise secteur.

18 La condensation se forme lorsque la température ambiante change brusquement. En ce cas, débranchez

la fiche du câble d’alimentation et laissez l’appareil reposer.

19 La température de l’appareil peut augmenter en raison d’une utilisation prolongée. En ce cas, coupez

l’alimentation de l’appareil et laissez-le au repos pour qu’il refroidisse.

20 Installez cet appareil à proximité de la prise secteur et à un emplacement où la fiche du câble

d’alimentation est facilement accessible.

21 Une pression excessive du son par les écouteurs et le casque d’écoute peut entraîner la perte de l’ouïe.

ATTENTION : VEUILLEZ LIRE CE QUI SUIT AVANT D’UTILISER L’APPAREIL.

AVERTISSEMENT

POUR RÉDUIRE LES RISQUES D’INCENDIE OU DE DÉCHARGE ÉLECTRIQUE,

N’EXPOSEZ PAS CET APPAREIL À LA PLUIE OU À L’HUMIDITÉ.

Cet appareil n’est pas déconnecté du secteur tant qu’il reste branché à la prise de courant, même si

l’appareil en soi est éteint par la touche A. Il se trouve alors « en veille ». En mode veille,

l’appareil consomme une très faible quantité de courant.

L’utilisateur n’est pas autorisé à rétro-concevoir, décompiler, modifier, traduire ou désassembler

le logiciel utilisé dans cet appareil, aussi bien dans ses parties que dans sa totalité. En ce qui

concerne les utilisateurs en entreprise, les employés de l’entreprise proprement dite ainsi que ses

partenaires commerciaux doivent respecter les interdictions figurant dans cette clause. Si les

termes de cette clause et de ce contrat ne peuvent pas être respectés, l’utilisateur devra

immédiatement cesser d’utiliser le logiciel.

ATTENTION : VEUILLEZ LIRE CE QUI SUIT AVANT D’UTILISER L’APPAREIL.

ii Fr

Français

Information concernant la Collecte et le Traitement des déchets

d’équipements électriques et électroniques

Le symbole sur les produits, l’emballage et/ou les documents joints signifie que les

produits électriques ou électroniques usagés ne doivent pas être mélangés avec les déchets

domestiques habituels.

Pour un traitement, une récupération et un recyclage appropriés des déchets

d’équipements électriques et électroniques, veuillez les déposer aux points de collecte

prévus à cet effet, conformément à la réglementation nationale et aux Directives 2002/96/

EC.

En vous débarrassant correctement des déchets d’équipements électriques et

électroniques, vous contribuerez à la sauvegarde de précieuses ressources et à la

prévention de potentiels effets négatifs sur la santé humaine qui pourraient advenir lors

d’un traitement inapproprié des déchets.

Pour plus d’informations à propos de la collecte et du recyclage des déchets d’équipements

électriques et électroniques, veuillez contacter votre municipalité, votre service de

traitement des déchets ou le point de vente où vous avez acheté les produits.

[Information sur le traitement dans d’autres pays en dehors de l’Union Européenne]

Ce symbole est seulement valables dans l’Union Européenne. Si vous souhaitez vous

débarrasser de déchets d’équipements électriques et électroniques, veuillez contacter les

autorités locales ou votre fournisseur et demander la méthode de traitement appropriée.

Yamaha Music Europe GmbH certifie la conformité de cet appareil aux exigences essentielles et

aux autres dispositions pertinentes de la Directive 1999/5/EC.

Yamaha Music Europe GmbH

Siemensstr. 22-34 25462 Rellingen, Germany

Tel: +49-4101-303-0

INTRODUCTION

2 Fr

INTRODUCTION ................................................................... 2

Rôle de cet appareil........................................................................................2

Accessoires fournis........................................................................................2

DÉNOMINATION ET FONCTION DES ÉLÉMENTS DE L’APPAREIL.......... 3

Panneau avant................................................................................................3

Panneau arrière..............................................................................................4

RACCORDEMENTS................................................................ 5

Raccordement d’un lecteur de CD réseau ......................................................5

Raccordement des enceintes .........................................................................5

Raccordement d’un caisson de graves...........................................................6

Raccordement à la source d’alimentation.......................................................6

LECTURE ........................................................................... 7

Lecture d’une source......................................................................................7

ÉCOUTE DE LA MUSIQUE STOCKÉE SUR UN PC

(FONCTION USB DAC) (A-U670 uniquement) .............................. 8

RÉGLAGE DU SON SOUHAITÉ (A-U670 uniquement).......................10

ENCLENCHEMENT AVEC UN LECTEUR DE CD RÉSEAU ....................10

Mise sous/hors tension à l’aide de la télécommande ...................................10

Réglage du volume sonore à l’aide de la télécommande ..............................10

Activation/désactivation du son à l’aide de la télécommande .......................10

Sélection de l’entrée (A-U670 uniquement)..................................................10

GUIDE DE DÉPANNAGE .........................................................11

SPÉCIFICATIONS.................................................................13

u L’appareil est un amplificateur intégré qui reproduit des signaux stéréo analogiques

avec un son de haute qualité. Combiné à des enceintes, il peut reproduire de la musique

avec une qualité audio élevée.

u TREBLE (gamme des hautes fréquences), BASS (gamme des basses fréquences) et

BALANCE (balance gauche-droite) sont autant de réglages facilement accessibles à

partir des commandes du panneau avant.

u La fonction USB DAC permet d’écouter la musique stockée sur un PC (+page 8).

(A-U670 uniquement)

u Profitez d’un son haute-fidélité particulièrement pur à l’aide de la fonction PURE

DIRECT (+page 10). (A-U670 uniquement)

u Les sons graves peuvent être accentués en raccordant un caisson de graves (+page 6).

Vérifiez que vous avez reçu tous les éléments suivants.

TABLE DES MATIÈRES

INTRODUCTION

Rôle de cet appareil

Accessoires fournis

Câble de raccordement au système

DÉNOMINATION ET FONCTION DES ÉLÉMENTS DE L’APPAREIL

3 Fr

Français

1 Touche A (Alimentation)

Met cet appareil sous tension ou en mode veille.

En mode veille, l’appareil consomme une faible quantité d’électricité.

2 Témoin d’alimentation

S’allume quand l’appareil est sous tension.

3

Prise PHONES

Pour brancher votre casque.

Quand un casque est raccordé, aucun son n’est reproduit par les enceintes ou le caisson de

graves.

4 Commande BASS

Augmente ou réduit la réponse dans les basses fréquences.

Plage de commande : –10 dB à +10 dB

5

Commande TREBLE

Augmente ou réduit la réponse dans les hautes fréquences.

Plage de commande : –10 dB à +10 dB

6 Commande BALANCE

Équilibre le son reproduit par les enceintes gauche et droite afin de compenser le

déséquilibre sonore.

7 Commande VOLUME

Règle le volume.

8

Témoins USB DAC (A-U670 uniquement)

S’allument lorsque des signaux audio parviennent à la prise USB DAC de cet appareil

(+page 9).

9 Touche et témoin PURE DIRECT (A-U670 uniquement)

Reproduit toute source d’entrée avec le son le plus pur possible (+page 10).

Le témoin s’allume quand la fonction PURE DIRECT est activée.

DÉNOMINATION ET FONCTION DES ÉLÉMENTS DE L’APPAREIL

Panneau avant

(A-U670)

Remarques

DÉNOMINATION ET FONCTION DES ÉLÉMENTS DE L’APPAREIL

4 Fr

1 Prise USB DAC (Type B) (A-U670 uniquement)

Pour raccorder un PC (+page 5).

2

Prises ANALOG IN

Pour raccorder un lecteur CD réseau (+page 5).

3

Prise SYSTEM

Pour raccorder un lecteur CD réseau (+page 5).

4

Prise SUBWOOFER

Pour raccorder un caisson de graves doté d’un amplificateur intégré (+page 5).

5

Bornes SPEAKERS

Pour raccorder des enceintes (+page 5).

6

Câble d’alimentation

Panneau arrière

(A-U670)

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