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 standby mode, disconnect the power cable, and contact the nearest authorized Yamaha dealer or service center.

■ General
Problem
Cause
Remedy
See

page

 

 

 

 

 

 

 

This unit fails to turn

The power cable is not connected or the

Connect the power cable firmly.

—

on.

plug is not completely inserted.

 

 

 

 

 

 

 

 

The impedance setting is incorrect.

Set the impedance to match your speakers.

13

 

 

 

 

 

The protection circuitry has been activated

Check that the speaker wires are not touching each

12

 

because of a short circuit, etc.

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

 

 

 

 

 

 

 

The IMPEDANCE SELECTOR switch on

Set the IMPEDANCE SELECTOR switch to either

13

 

the rear panel is not set to either end.

end when the power of this unit is turned off.

 

 

 

 

 

 

 

This unit has been exposed to a strong

Set this unit to standby mode, disconnect the power

—

 

external electric shock (such as lightning

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

 

or strong static electricity).

normally.

 

 

 

 

 

No sound

Incorrect input or output cable

Connect the cables properly. If the problem persists,

12

 

connections.

the cables may be defective.

 

 

 

 

 

 

 

No appropriate input source has been

Select an appropriate input source with the INPUT

16

 

selected.

selector on the front panel (or one of the input

 

 

selector buttons on the remote control).

 

 

 

 

 

 

The SPEAKERS A/B switches are not set

Turn on the corresponding SPEAKERS A or

16

 

properly.

SPEAKERS B.

 

 

 

 

 

 

 

Speaker connections are not secure.

Secure the connections.

12

 

 

 

 

 

Output has been muted.

Turn off the mute.

8

 

 

 

 

 

The MaxVol or IniVol setting is set too

Set the setting to a higher value.

40

 

low.

 

 

 

 

 

 

 

 

 

The component corresponding to the

Turn the component on and make sure it is playing.

—

 

selected input source is turned off or is not

 

 

playing.

 

 

 

 

 

 

The sound suddenly

The protection circuitry has been activated

Check that the IMPEDANCE SELECTOR switch is

13

goes off.

because of a short circuit, etc.

set to the correct position.

 

 

 

 

 

 

 

Check that the speaker wires are not touching each

12

 

 

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

 

 

 

 

 

 

 

 

This unit has become too hot.

Make sure the openings on the top panel are not

—

 

 

blocked.

 

 

 

 

 

 

 

 

The automatic power down function has

Change the automatic power down setting (“APD

 

 

turned this unit off.

TIMER” in the Advanced Setup menu) to a longer

43

 

 

setting, or disable the automatic power down function

 

 

by setting the POWER MANAGEMENT switch on

 

 

 

the rear panel to OFF.

 

 

 

 

 

Only the speaker on

Incorrect cable connections.

Connect the cables properly. If the problem persists,

12

one side can be

 

the cables may be defective.

 

 

heard.

 

 

 

Incorrect setting for the BALANCE

Set the BALANCE control to the appropriate

18

 

 

control.

position.

 

 

 

 

 

 

There is a lack of bass

The + and – wires are connected in

Connect the speaker wires to the correct + and –

12

and no ambience.

reverse at the amplifier or the speakers.

phase.

 

 

 

 

 

50 En