Yamaha A-S500 Owner's Manual download pdf (Page 18)

14 En

TROUBLESHOOTING

No sound. Sound is muted. Press MUTE button on the remote control or rotate

the VOLUME control.

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

speaker wires properly. If the problem persists, the

cables may be defective.

Playback has been stopped on the

connected component.

Turn the component on and start playback.

No appropriate input source has been

selected.

Select an appropriate input source with the INPUT

selector on the front panel (or one of the INPUT

selector buttons on the remote control).

The SPEAKERS selector is not set

properly.

Set the corresponding SPEAKERS selector to A, B or

A+B position.

The sound suddenly

goes off.

The protection circuitry has been activated

because of a short circuit, etc.

Check that the IMPEDANCE SELECTOR setting is

correct.

Check that the speaker wires are not touching each

other or shorting out against the rear panel of this

unit, and then turn this unit on again.

This unit has become too hot. Reconsider the location where this unit is installed.

Make sure the openings on the top panel are not

blocked.

—

The automatic power down function has

turned this unit off.

Confirm that there are no other issues causing this

problem, and then turn this unit on 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.

Incorrect setting for the BALANCE

control.

Set the BALANCE control to the appropriate

position.

There is a lack of

bass and no

ambience.

The + and – wires are connected in

reverse at the amplifier or the speakers.

Connect the speaker wires to the correct + and –

phase. 6

A “humming” sound

can be heard.

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

persists, the cables may be defective.

No connection from the turntable to the

GND terminal.

Make the GND connection between the turntable and

this unit.

The volume level is

low while playing a

record.

The turntable is connected to the jacks

other than the PHONO jacks.

Connect the turntable to the PHONO jacks.

The record is being played on a turntable

with an MC cartridge.

Use a turntable equipped with an MM cartridge.

—

The volume level

cannot be increased,

or the sound is

distorted.

The component connected to the LINE 2

REC or LINE 3 REC jacks of this unit is

turned off.

Turn on the power of the component.

—

The sound is

degraded when

listening with the

headphones

connected to the CD

player or the tape

deck connected to

this unit.

This unit is turned off or is in standby

mode.

Turn this unit on.

The sound level is

low.

Sound is muted. Press MUTE button on the remote control or rotate

the VOLUME control.

The loudness control function is

operating.

Turn down the volume, set the LOUDNESS control

to the FLAT position, and then adjust the volume

again.

Problems Possible Causes Solutions

Refer to

page

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Yamaha A-S500 Owner's Manual Page 18

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