Yamaha A-S3000 Owner's Manual download pdf (Page 28)

28 En

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, turn off this unit, disconnect the power cable, and contact the nearest authorized

Yamaha dealer or service center.

Problem Cause Remedy

See

page

This unit fails to turn

on.

The power cable is not connected to the

AC IN inlet on the rear panel or not

plugged in the AC wall outlet.

Connect the power cable firmly.

The protection circuitry has been activated

because of a short circuit, etc.

Check that the speaker wires are not touching each

other or shorting out against the rear panel of this

unit, and then turn the power of this unit back 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, and then use it normally.

—

The STANDBY/ON

indicator on the front

panel flashes.

The protection circuitry has been activated

because of a short circuit, etc.

Check that the speaker wires are not touching each

other or shorting out against the rear panel of this

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

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.

—

The INPUT indicator

on the front panel

flashes and the

volume is turned

down when you turn

on this unit.

The protection circuitry has been activated

because of a short circuit, etc.

Check that the speaker wires are not touching each

other or shorting out against the rear panel of this

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

No sound. Incorrect input or output cable

connections.

Connect the cables properly. If the problem persists,

the cables may be defective.

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 keys on the remote control).

8, 12

The SPEAKERS selector is set to OFF. Switch the SPEAKERS selector to the appropriate

position.

Speaker connections are not secure. Secure the connections.

The sound suddenly

goes off.

The protection circuitry has been activated

because of a short circuit, etc.

Check that the speaker wires are not touching each

other or shorting out against the rear panel of this

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

The volume level

cannot be adjusted.

MAIN DIRECT is selected as the input

source.

Adjust the volume on the connected component.

Or connect external component to input jacks other

than MAIN IN and select the corresponding input

source.

8, 9

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.

A “humming” sound

is heard.

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

persists, the cables may be defective.

No connection from the turntable to the

GND terminal.

Connect the turntable to the GND terminal of this

unit.

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Yamaha A-S3000 Owner's Manual Page 28

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