Yamaha A-U671 El kitabı

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 ZS22020

Integrated Amplifier / Amplificateur Intégré

OWNER’S MANUAL

MODE D’EMPLOI

BEDIENUNGSANLEITUNG

BRUKSANVISNING

MANUALE DI ISTRUZIONI

MANUAL DE INSTRUCCIONES

GEBRUIKSAANWIJZING

ИНСТРУКЦИЯ ПО ЭКСПЛУАТАЦИИ

G

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)

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 The batteries shall not be exposed to excessive heat such as sunshine, fire or the like. When you dispose

of batteries, follow your regional regulations.

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

n Notes on remote controls and batteries

• Do not spill water or other liquids on the remote control.

• Do not drop the remote control.

• Do not leave or store the remote control in the following conditions:

– places of high humidity, such as near a bath

– places of high temperatures, such as near a heater or stove

– places of extremely low temperatures

– dusty places

• Insert the battery according to the polarity markings (+ and –).

• Change all batteries if you notice the following conditions:

– the operation range of the remote control narrows

– the transmit indicator does not flash or is dim

• If the batteries run out, immediately remove them from the remote control to prevent an explosion or acid

leak.

• If you find leaking batteries, discard the batteries immediately, taking care not to touch the leaked

material. If the leaked material comes into contact with your skin or gets into your eyes or mouth, rinse it

away immediately and consult a doctor. Clean the battery compartment thoroughly before installing new

batteries.

• Do not use old batteries together with new ones. This may shorten the life of the new batteries or cause

old batteries to leak.

• Do not use different types of batteries (such as alkaline and manganese batteries) together. Specification

of batteries may be different even though they look the same. Danger of explosion may happen if

batteries are incorrectly replaced.

• Before inserting new batteries, wipe the compartment clean.

• Dispose of batteries according to your regional regulations.

• Keep batteries away from children. If a battery is accidentally swallowed, contact your doctor

immediately.

• When not planning to use the remote control for long periods of time, remove the batteries from the

remote control.

• Do not charge or disassemble the supplied batteries.

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 and Used Batteries

These symbols on the products, packaging, and/or accompanying documents mean

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

general household waste.

For proper treatment, recovery and recycling of old products and used batteries,

please take them to applicable collection points, in accordance with your national

legislation and the Directives 2002/96/EC and 2006/66/EC.

By disposing of these products and batteries 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 and batteries,

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]

These symbols are 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.

Note for the battery symbol (bottom two symbol examples):

This symbol might be used in combination with a chemical symbol. In this case it

complies with the requirement set by the Directive for the chemical involved.

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

2 En

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

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

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

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

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

Rear panel......................................................................................................5

Remote control ..............................................................................................6

CONNECTIONS .................................................................... 8

Connecting an external component................................................................8

Connecting speakers......................................................................................8

Connecting a subwoofer.................................................................................9

Connecting to power source ..........................................................................9

PLAYBACK ........................................................................10

Playing a source...........................................................................................10

PLAYING BACK MUSIC STORED ON A PC (USB DAC FUNCTION).........11

ADJUSTING TO THE DESIRED SOUND........................................13

TROUBLESHOOTING.............................................................14

SPECIFICATIONS.................................................................17

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 11).

u Enjoy pure, high fidelity sound by using the PURE DIRECT function (+page 13).

u Boost bass sounds by connecting a subwoofer (+page 9).

Please check that you received all of the following parts.

CONTENTS

INTRODUCTION

What the unit can do

Supplied accessories

Remote control Batteries (× 2) (AA, R6, UM-3)

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.

NAMES AND FUNCTIONS OF THE PARTS

Front panel

Notes

NAMES AND FUNCTIONS OF THE PARTS

4 En

8 USB DAC indicators

Lights up when audio signals are input to the USB jack of this unit (+page 12).

9

PURE DIRECT indicator

Lights up when the PURE DIRECT function is turned on (+page 13).

0

INPUT button and indicator

Each time you press the button, the input source switches to LINE or USB. The input

source indicators light up when the corresponding input sources are selected.

Press and hold the button to switch the PURE DIRECT function on or off.

A

Remote control sensor

Receives infrared signals from the remote control.

NAMES AND FUNCTIONS OF THE PARTS

5 En

English

1 USB (Type B) jack

Used to connect a PC (+page 8).

2

LINE IN jacks

Used to connect an external component (+page 8).

3

SUBWOOFER jack

Used to connect a subwoofer with built-in amplifier (+page 8).

4 SPEAKERS terminals

Used to connect speakers (+page 8).

5

Power cable

Rear panel

NAMES AND FUNCTIONS OF THE PARTS

6 En

1 Infrared signal transmitter

Sends infrared signals.

2

A (Power)

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

3

PURE DIRECT

Reproduces any input source in the purest sound possible (+page 13).

4

Input selector buttons

Selects the input source (LINE or USB) you want to listen to.

5

VOL +/–

Adjusts the volume.

6

MUTE

Reduces the current volume level by approximately 20 dB. Press again to restore the

audio output to the previous volume level. Pressing the VOL +/– also cancels muting.

The INPUT indicator on the front panel for the current input source blinks while the

output is muted.

Remote control

NAMES AND FUNCTIONS OF THE PARTS

7 En

English

n Installing batteries

• The area between the remote control and this unit must be clear of large obstacles.

• Change all batteries if you notice the operation range of the remote control narrows.

n Operation range

Point the remote control at the remote control sensor on this unit and remain within the

operating range shown below.

Notes

AA, R6, UM-3 batteries

Approximately

6 m

(20 ft)

Remote

control

CONNECTIONS

8 En

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 or a commercially available USB cables to connect audio components.

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

Connect the analog audio output jacks of the external component to the LINE IN jacks of

the unit as shown in the figure.

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

in the figure.

CONNECTIONS

CAUTION

Connecting an external component

CD player, etc.

Connecting speakers

CONNECTIONS

9 En

English

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 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

10 En

1 Rotate the VOLUME control on the front panel fully counter-clockwise

so as not to play sounds loud suddenly.

2 Press the A (power) button on the front panel (or press A (power)

button on the remote control) to turn on the unit.

3 Press the INPUT button on the front panel (or press the input selector

buttons on the remote control) to select LINE or USB.

The indicator for the selected input source lights up.

4 Play the selected input source.

5 Rotate the VOLUME control on the front panel (or press VOL +/– on the

remote control) to adjust the volume.

6 When finished listening, press A (power) button on the front panel (or

press

A (power) button on the remote control) to set the unit to standby

mode.

PLAYBACK

Playing a source

VOLUME

INPUT

A (Power)

Input selector buttons

VOL +/–

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

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

11 En

English

When a PC is connected to the USB 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)

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)

12 En

n Playing back music stored on a PC

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 (or press A (power) button

on the remote control) to turn on the unit.

4 Press the INPUT button on the front panel (or press USB on the remote

control) to select USB.

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.

USB DAC

indicator

INPUT

A (Power)

USB

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

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English

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.

Hold down the INPUT button on the front panel (or press the PURE DIRECT button on

the remote control) 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.

ADJUSTING TO THE DESIRED SOUND

Notes

PURE DIRECT

indicator

INPUT

TROUBLESHOOTING

14 En

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.

9

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.

9

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).

9

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.

9

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.

-

The protection circuitry has been activated because of excessive

input or excessive volume level.

Rotate the VOLUME control on the front panel to decrease the volume

level and then turn the power on again.

-

The protection circuitry has been activated due to excessive internal

temperature.

Allow about 30 minutes for the temperature inside this unit to decrease,

rotate the VOLUME control on the front panel to lower the volume and

then turn the power on again. Set the unit in a place where heat can readily

dissipate from the unit.

-

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.

-

TROUBLESHOOTING

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English

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.

-

Sound is muted. Turn off the mute.

6

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

the problem persists, the cables may be defective.

8

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

10

No appropriate input source has been selected. Select an appropriate input source with the INPUT button on the front

panel (or the input selector buttons on the remote control).

10

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.

11

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

sound.

10

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).

-

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.

8

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.

9

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

speakers.

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

9

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.

8

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.

10

The volume of the PC connected with the unit via USB is set to a

low level.

Turn up the volume of the PC.

-

The BASS, TREBLE, and BALANCE

controls does not work.

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

13

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.

11

Improper USB cable connection. Connect the USB cable properly.

11

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

-

Problem Cause Solution See page

TROUBLESHOOTING

16 En

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.

-

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.

-

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.

11

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

correctly.

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

procedure.

11

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.”

12

Problem Cause Solution See page

SPECIFICATIONS

17 En

English

AUDIO SECTION

n LINE IN

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

n USB

• 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)

......................................................................................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 ...................................................................30 W

• Standby power consumption .................................................... 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

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 Les piles ne doivent pas être exposées à une chaleur extrême, par exemple au soleil, à une flamme, etc.

Lors de la mise au rebut des piles, suivez vos réglementations locales.

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

n Remarques à propos des télécommandes et piles

• Ne renversez aucun liquide sur le boîtier de télécommande.

• Ne laissez pas tomber le boîtier de télécommande.

• Ne laissez pas et ne rangez pas le boîtier de télécommande dans les endroits suivants:

– très humides, par exemple près d’un bain

– très chauds, par exemple près d’un poêle ou d’un appareil de chauffage

– exposés à des températures très basses

– poussiéreux

• Installez la pile en respectant les repères de polarité (+ et –).

• Changez toutes les piles lorsque les symptômes suivants se présentent:

– la portée du boîtier de télécommande diminue

– le témoin de transmission ne clignote pas ou l’intensité est faible

• Si la pile est plate, retirez-la immédiatement de la télécommande pour éviter tout risque d'explosion ou de

fuite d'acide.

• Si vous remarquez une fuite au niveau des piles, mettez-les immédiatement au rebut en prenant soin de ne

pas toucher le produit qui a fui. Si le produit qui a fui entre en contact avec votre peau ou vos yeux ou

votre bouche, rincez immédiatement et consultez un médecin. Nettoyez soigneusement le logement des

piles avant de mettre en place des piles neuves.

• N’utilisez pas à la fois des piles neuves et des piles usagées. Cela risque de réduire la durée de vie des

nouvelles piles ou d'entraîner une fuite des piles usagées.

• N’utilisez pas non plus des piles de deux types différents (par exemple, des piles alcalines et des piles au

manganèse). Les caractéristiques des piles peuvent être différentes même si elles semblent identiques. Il

y a risque d’explosion en cas d’erreur dans la mise en place des piles.

• Avant de mettre la nouvelle pile en place, essuyez soigneusement le compartiment.

• Mettez la pile au rebut conformément aux lois en vigueur dans votre région.

• Conservez les piles hors de portée des enfants. SI une pile est avalée accidentellement, contactez

immédiatement votre médecin.

• Si vous prévoyez de ne pas utiliser la télécommande pendant une période prolongée, retirez les piles de la

télécommande.

• N’essayez pas de charger ou de démonter les piles fournies.

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.

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