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1. Troubleshooting

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 AC power cable, and contact the nearest authorized

Yamaha dealer or service center.

Problem

The AC power cable is not connected to

This unit fails to turn

the AC IN inlet on the rear panel or not

on.

plugged in the AC wall outlet.

The protection circuitry has been activated

because of a short circuit, etc.

This unit has been exposed to a strong

external electric shock (such as lightning

or strong static electricity).

The protection circuitry has been activated

The POWER indicator

because of a short circuit, etc.

on the front panel

flashes.

There is a problem with the internal

circuitries of this unit.

The protection circuitry has been activated

The INPUT indicator

because of a short circuit, etc.

on the front panel

flashes and the

volume is turned

down when you turn

on this unit.

Incorrect input or output cable

No sound.

connections.

No appropriate input source has been

selected.

The SPEAKERS switch is not set

properly.

Speaker connections are not secure.

The protection circuitry has been activated

The sound suddenly

because of a short circuit, etc.

goes off.

Incorrect cable connections.

Only the speaker on

one side can be

heard.

Incorrect setting for the BALANCE

control.

The + and – wires are connected in

There is a lack of bass

reverse at the amplifier or the speakers.

and no ambience.

Incorrect cable connections.

A "humming" sound

is heard.

No connection from the turntable to the

GND terminal.

Cause

Connect the AC power cable firmly.

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.

Turn off this unit, disconnect the AC power cable,

plug it back in after 30 seconds, and then use it

normally.

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.

Disconnect the AC power cable and contact the

nearest authorized Yamaha dealer or service center.

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.

Connect the cables properly. If the problem persists,

the cables may be defective.

Select an appropriate input source with the INPUT

selector on the front panel (or one of the input

selector buttons on the remote control).

Switch the SPEAKERS switch to the appropriate

position.

Secure the connections.

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.

Connect the cables properly. If the problem persists,

the cables may be defective.

Set the BALANCE control to the appropriate

position.

Connect the speaker wires to the correct + and –

phase.

Connect the audio cable plugs firmly. If the problem

persists, the cables may be defective.

Connect the turntable to the GND terminal of this

unit.

Remedy

See

page

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