background image

14

SYMPTOM

The unit fails to turn on when the POWER
switch is pressed.

No sound.

The sound suddenly goes off.

Only one side speaker outputs the sound.

There is a lack of bass, and no ambience.

Sound “hums”.

Sound level is low or sound is distorted
while playing a record on the turntable.

Using the BASS, TREBLE, BALANCE,
LOUDNESS controls, SUBSONIC FILTER
switch and MODE switch does not affect
the tone.

The volume level cannot be increased, or
sound is distorted.

The sound is degraded when listening
with the headphones connected to the
compact disc player or cassette deck that
are connected with this unit.

The remote control transmitter does not
work.

The distance or range within which the
remote control transmitter can be used
decreases.

CAUSE

Power cord is not plugged in or is not
completely inserted.

Incorrect output cord connections.

Appropriate input source is not selected.

The SPEAKERS switches are not set
properly.

Speaker connections are not secure.

The protection circuit has functioned because
of short circuit etc.

Incorrect setting of the BALANCE control.

Incorrect cord connections.

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

Incorrect cord connections.

No connection from the turntable to the GND
terminal.

The LOUDNESS control is functioning.

The PHONO (MM/MC) switch is set to the
improper position.

The MUTING key is ON.

The PURE DIRECT switch is ON.

The power to the component connected to
the REC OUT terminals of this unit is off.

The power to this unit is off.

Direct sunlight or lighting (of an inverter type
of flourescent lamp etc.) is striking the
remote control sensor of the main unit.

The batteries of this remote control
transmitter are too weak.

REMEDY

Firmly plug in the power cord.

Connect the cords properly.  If the problem
persists, the cords may be defective.

Select an appropriate input source with the
INPUT selector.

Set the SPEAKERS switch which
corresponds to the speakers to be used to
the ON position.

Secure the connections.

Turning the unit off and then on will reset the
protection circuit.

Adjust it to the appropriate position.

Connect the cords properly.  If the problem
persists, the cords may be defective.

Connect the speaker wires in the correct
phase (+ and –).

Firmly connect the audio plugs.  If the
problem persists, the cords may be 
defective.

Make the GND connection between the
turntable and this unit.

Set the LOUDNESS control to the FLAT
position.

Set the PHONO (MM/MC) switch to the
proper position.

First, turn the volume control to the full left.
Then, turn the MUTING key OFF with the
remote control transmitter and adjust the
volume.

The PURE DIRECT switch must be switched
OFF to use those controls.

Turn the power to the component on.

Turn the power to this unit on.

Change position of the main unit.

Replace the batteries with new ones.

If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple
measures suggested.  If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and
contact your authorized YAMAHA dealer or service center for help.

TROUBLESHOOTING

Содержание AX-1090

Страница 1: ...ärker Natural Sound Integrerad Stereo Förstärkare Amplificatore integrato stereo a Suono Naturale Amplificador integrado estéreo de Sonido Natural Natural Sound Geïntegreerde Stereo Versterker AX 1 090 OWNER S MANUAL MODE D EMPLOI BEDIENUNGSANLEITUNG BRUKSANVISNING MANUALE DI ISTRUZIONI MANUAL DE INSTRUCCIONES GEBRUIKSAANWIJZING ...

Страница 2: ...parts are contained ACCESSOIRES FOURNIS Après le déballage vérifier que les pièces suivantes sont incluses MITGELIEFERTES ZUBEHOR Nach dem Auspacken überprüfen ob die folgenden Teile vorhanden sind MEDFOLJANDE TILLBEHOR Kontrollera efter det apparaten packats upp att följande delar finns med ACCESSORI IN DOTAZIONE Verificare che tutte le parti seguenti siano contenute nell imballaggio dell apparec...

Страница 3: ... top panel of the unit Otherwise it may not only damage the unit but also cause fire 6 Always set the VOLUME control to before starting the audio source play increase the volume gradually to an appropriate level after the play has been started 7 Do not attempt to clean the unit with chemical solvents this might damage the finish Use a clean dry cloth 8 Be sure to read the TROUBLESHOOTING section r...

Страница 4: ...TCHED 200W MAX TOTAL AC OUTLETS VOLTAGE SELECTOR GND CD TUNER TAPE PB TAPE 1 REC OUT TAPE 2 MAIN IN PRE OUT COUPLER AUX A OR B 6ΩMIN SPEAKER A B l2ΩMIN SPEAKER A B SPEAKERS A B A OR B 6ΩMIN SPEAKER A B l2ΩMIN SPEAKER REMOTE CONTROL OUTPUT GND OUTPUT AUDIO OUT LINE OUT LINE IN 2 3 4 TAPE PB 3 REC OUT 4 1 LINE OUT LINE IN LIN E O U T LIN E IN OUTPUT Compact disc player Turntable Video cassette playe...

Страница 5: ...inal For turntable use Connecting the ground wire of the turntable to this terminal will normally minimize hum but in some cases better results may be obtained with the ground wire disconnected PRE OUT MAIN IN terminals Removing the jumper pins enables this unit to independently perform the functions of a control amplifier and a power amplifier These terminals are for connection of a signal proces...

Страница 6: ...er indicator is half illuminated 2 Power indicator Lights up while the power is on 3 Remote control sensor Receives signals from the remote control transmitter 4 PURE DIRECT switch and indicator Press this switch so that the indicator lights up to listen to an audio source in the purest sound Refer to page 12 for details 5 INPUT selector Selects a program source to listen to 6 VOLUME control Used ...

Страница 7: ...peration Normally this switch should be set to the STEREO position D BALANCE control Adjusts the balance of the output volume to the left and right speakers to compensate for sound imbalance caused by speaker location or listening room conditions E Continuously variable LOUDNESS control Used to compensate for the human ears loss of sensitivity to high and low frequency ranges at low volume F REC O...

Страница 8: ...ode and vice versa In the standby mode the power indicator on the front panel is half illuminated For Other Component Control Identify the remote control transmitter keys with your component s keys If these keys are identical their functions will be the same On each key function refer to the corresponding instruction on your component s manual 1 Tape deck keys Controls tape deck DIR A B and A B ar...

Страница 9: ...type of cartridge being used by the turntable Refer to page 12 4 Select the speakers to be used If you use two speaker systems press both the A and B switches 5 Play the source 6 Adjust to the desired output level 7 If desired adjust the BASS TREBLE BALANCE and LOUDNESS controls etc Refer to page 11 12 To turn off the power Press the POWER switch again Caution If you will press the PURE DIRECT swi...

Страница 10: ...2 l0 8 6 4 3 2 l 0 dB INPUT TAPE 3 TAPE 2 AUX TAPE 1 CD TUNER PHONO PURE DIRECT SPEAKERS TURNOVER FREQUENCY PHONES A ON OFF B ON OFF BASS 5 5 4 3 3 2 2 l l DEFEAT 4 400Hz 200Hz 2 5kHz 5kHz ON OFF MONO STEREO TREBLE BALANCE 5 5 4 3 2 l DEFEAT l 2 3 4 LOUDNESS 5 5 4 3 2 l 0 l 2 3 4 L R 5 7 4 3 2 l FLAT 10 9 8 6 40dB REC OUT AUX 1 2 CD TUNER PHONO 2 3 TAPE COPY 1 3 SUBSONIC FILTER MODE PHONO MC MM 3 ...

Страница 11: ... can be used to adjust the turnover point of the tone controls either 200 Hz or 400 Hz for BASS and either 2 5 kHz or 5 kHz for TREBLE This gives you flexible control over bass and treble response characteristics Adjusting the continuously variable LOUDNESS control This control provides compensation for the human ears loss of sensitivity to high and low frequency ranges at low volume This control ...

Страница 12: ...o signals Select either MM or MC position depending on your PHONO cartridge Moving Magnet or Moving Coil type However if you use a high output MC cartridge select MM position To select the MC position press this switch so that it is held inward To select the MM position press this switch so that it is released outward If you set this switch to ON position undesirable ultra low frequency signals ca...

Страница 13: ... of time If batteries leak dispose of them immediately Avoid touching the leaked material or letting it come in contact with clothing etc Clean the battery compartment thoroughly before installing new batteries Remote control transmitter operation range Notes There should be no large obstacles between the remote control transmitter and the main unit If the remote control sensor is directly illumin...

Страница 14: ...off The power to this unit is off Direct sunlight or lighting of an inverter type of flourescent lamp etc is striking the remote control sensor of the main unit The batteries of this remote control transmitter are too weak REMEDY Firmly plug in the power cord Connect the cords properly If the problem persists the cords may be defective Select an appropriate input source with the INPUT selector Set...

Страница 15: ... dB Total Harmonic Distortion 20 Hz to 20 kHz PHONO MM to REC OUT 3V 0 003 PHONO MC to REC OUT 3V 0 007 CD TUNER TAPE AUX to PRE OUT 1V 0 004 CD TUNER TAPE AUX to SP OUT 72 5W 8 ohms 0 007 MAIN IN to SP OUT 72 5W 8 ohms 0 005 Signal to Noise Ratio IHF A Network PHONO MM 5 mV Input Shorted 92 dB PHONO MC 500 µV Input Shorted 75 dB CD Input Shorted PURE DIRECT ON 110 dB TUNER TAPE AUX Input Shorted ...

Страница 16: ...RELLINGEN BEI HAMBURG F R OF GERMANY YAMAHA ELECTRONIQUE FRANCE S A RUE AMBROISE CROIZAT BP70 CROISSY BEAUBOURG 77312 MARNE LA VALLEE CEDEX02 FRANCE YAMAHA ELECTRONICS UK LTD YAMAHA HOUSE 200 RICKMANSWORTH ROAD WATFORD HERTS WD1 7JS ENGLAND YAMAHA SCANDINAVIA A B J A WETTERGRENS GATA 1 BOX 30053 400 43 VÄSTRA FRÖLUNDA SWEDEN YAMAHA MUSIC AUSTRALIA PTY LTD 17 33 MARKET ST SOUTH MELBOURNE 3205 VIC A...

Отзывы: