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Yamaha A-S700: TROUBLESHOOTING

TROUBLESHOOTING: Yamaha A-S700

ADDITIONAL INFORMATION

TROUBLESHOOTING

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, set this unit to the standby mode, disconnect the power cable, and contact the

nearest authorized Yamaha dealer or service center.

■ General

Refer to

Problems Possible Causes Solutions

page

Pressing the POWER

The supplied power cable is not connected

Connect the supplied power cable firmly.

8

switch on the front

or the cable is not completely inserted.

panel does not turn

on this unit. The

The POWER ( ) button is pressed on the

Press POWER on the front panel to ON.

POWER on indicator

remote control while this unit is turned

3

also does not light up.

off.

There is a problem with the internal

Disconnect the AC power cable and contact the

circuitries of this unit.

nearest authorized Yamaha dealer or service center. If

an unusual odor or noise is generated from the unit,

—

do not turn on the power, disconnect the AC power

cable, and contact a service center for repair.

The power of this unit

The speaker wires are touching each other

Connect the speaker cables properly and press the

is turned off suddenly

or shorting out against the rear panel.

power button ON again. The VOLUME is decreased

and the POWER on

automatically and this unit is turned on after the

indicator blinks.

INPUT indicator blinks for about 15 seconds.

7

Confirm normal sound output from speakers by

increasing the volume gradually, then you can operate

This unit is turned off

this unit normally.

after several seconds

The speaker is a malfunction. Replace the speaker set and press the power button

of turning on, and the

ON again. The VOLUME is decreased automatically

POWER on indicator

and this unit is turned on after the INPUT indicator

blinks.

—

blinks for about 15 seconds. Confirm normal sound

output from speakers by increasing the volume

gradually, then you can operate this unit normally.

The protection circuitry has been activated

Rotate the VOLUME control on the front panel to

because of excessive input or excessive

decrease the volume level and then turn the power on

—

volume level.

again.

The protection circuitry has been activated

Allow about 30 minutes for the temperature inside

due to excessive internal temperature.

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.

The IMPEDANCE SELECTOR switch

Turn the power off and slide the IMPEDANCE

5

may not be fully slid to either position.

SELECTOR switch all the way to either position.

The impedance setting is incorrect. Set the impedance to match your speakers. 5

This unit has been exposed to a strong

Set this unit to the standby mode, disconnect the

external electric shock (such as lightning

power cable, plug it back in after 30 seconds, then use

—

or strong static electricity).

it normally.

There is a problem with the internal

Disconnect the AC power cable and contact the

circuitries of this unit.

nearest authorized Yamaha dealer or service center. If

an unusual odor or noise is generated from the unit,

—

do not turn on the power, disconnect the AC power

cable, and contact a service center for repair.

12 En

TROUBLESHOOTING

Refer to

Problems Possible Causes Solutions

page

No sound Sound is muted. Press MUTE on the remote control to resume the

3

audio output.

Incorrect cable connections. Connect the stereo cable for audio units and the

speaker wires properly. If the problem persists, the

6

cables may be defective.

No appropriate input source has been

Select an appropriate input source with the INPUT

selected.

selector on the front panel (or one of the input

9

selector buttons on the remote control).

The SPEAKERS selector is not set

Set the corresponding SPEAKERS selector to A, B or

9

properly.

A+B position.

The sound suddenly

The protection circuitry has been activated

Check that the IMPEDANCE SELECTOR setting is

5

goes off.

because of a short circuit, etc.

correct.

Check that the speaker wires are not touching each

other or shorting out against the rear panel of this

6

unit, and then turn the power of this unit back on.

Only the speaker on

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

6

one side can be

the cables may be defective.

heard.

Incorrect setting for the BALANCE

Set the BALANCE control to the appropriate

10

control.

position.

There is a lack of

The + and – wires are connected in

Connect the speaker wires to the correct + and –

bass and no

reverse at the amplifier or the speakers.

phase. 6

ambience.

A “humming” sound

Incorrect cable connections. Connect the audio plugs firmly. If the problem

6

can be heard.

persists, the cables may be defective.

INFORMATION

No connection from the turntable to the

Make the GND connection between the turntable and

ADDITIONAL

6

GND terminal.

this unit.

The volume level is

The turntable is connected to the jacks

Connect the turntable to the PHONO jacks.

6

low while playing a

other than the PHONO jacks.

record.

The record is being played on a turntable

Use a turntable equipped with an MM cartridge.

—

with an MC cartridge.

The volume level

The component connected to LINE 2 REC

Turn on the power of the component.

cannot be increased,

or LINE 3 REC terminals of this unit is

—

or the sound is

turned off.

distorted.

The sound is

The power of this unit is turned off, or this

Turn on the power of this unit.

degraded when

unit is set to the standby mode.

listening with the

headphones

9

connected to the CD

player or the tape

deck connected to

this unit.

The sound level is

The LOUDNESS control is functioning. Set the LOUDNESS control to the FLAT position.

11

low.

The input source

The CD DIRECT AMP switch is turned

Turn off the CD DIRECT AMP switch.

cannot be changed

on.

10

although the INPUT

selector is rotated.

Using the BASS,

The CD DIRECT AMP switch or the

The CD DIRECT AMP switch or the PURE DIRECT

TREBLE, BALANCE

PURE DIRECT switch is turned on.

switch must be turned off to use those controls.

English

and LOUDNESS

10

controls does not

affect the tonal

quality.

13 En

TROUBLESHOOTING

■ Remote control

Refer to

Problems Possible Causes Solutions

page

The remote control

The remote control is too far away or

The remote control will function within a maximum

does not work nor

tilted too much.

range of 6 m (20 ft) and no more than 30 degrees off-

4

function properly.

axis from the front panel.

Direct sunlight or lighting (from an

Reposition this unit or lightning.

inverter type of fluorescent lamp, etc.) is

—

striking the remote control sensor of this

unit.

The batteries are weak. Replace all batteries. 4

14 En

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