TROUBLESHOOTING

Refer to the chart below when this unit does not function properly. If the problem you are experiencing is not listed below or if the instruction below does not help, disconnect the power cord and contact your authorized YAMAHA dealer or service center.

General

Problem

Cause

What to Do

The unit fails to turn on when the

Power cord is not plugged in or is not

Firmly plug in the power cord.

STANDBY/ON switch is pressed, or turns

completely inserted.

 

into the standby mode suddenly soon after

 

 

The IMPEDANCE SELECTOR switch on the

Set the switch to either end when this unit is

the power is turned on.

rear panel is not set to either end.

in the standby mode.

 

 

 

 

This unit does not work normally.

There is an influence of strong external

Turn this unit into the standby mode and

 

noise (lightning, excessive static electricity,

disconnect the AC power cord from the AC

 

etc.) or a misoperation on this unit while

outlet. After about 30 seconds have passed,

 

using this unit.

connect the power and operate this unit

 

 

again.

 

 

 

No sound or no picture.

Incorrect output cord connections.

Connect the cords properly. If the problem

 

 

persists, the cords may be defective.

 

 

 

 

Appropriate input source is not selected.

Select the appropriate input source with the

 

 

INPUT SELECTOR or the EXT. DECODER

 

 

button.

 

 

 

 

Speaker connections are not secure.

Secure the connections.

 

 

 

 

Digital signals other than PCM audio and

Play a source whose signals this unit can

 

Dolby Digital (or DTS) encoded signals

reproduce.

 

which this unit cannot reproduce are input to

 

 

this unit by playing a CD-ROM etc.

 

 

 

 

No picture

There is no S video terminal connection

Connect this unit’s S VIDEO MONITOR OUT

 

between this unit and the TV, though S

terminal to the TV’s S video input terminal.

 

video signals are input to this unit.

 

 

 

 

The sound suddenly goes off.

The protection circuit has been activated

Turn this unit into the standby mode, and

 

because of short circuit etc.

then turn on to reset the protection circuit.

 

 

 

 

The SLEEP timer came on.

Cancel the SLEEP timer function.

Only one side speaker outputs the sound.

Incorrect setting of the BALANCE control.

Adjust it to the appropriate position.

 

 

 

 

Incorrect cord connections.

Connect the cords properly. If the problem

 

 

persists, the cords may be defective.

 

 

 

No sound from the effect speakers.

The EFFECT button is set off.

Press the EFFECT button to turn it on.

 

 

 

 

A Dolby Surround (or DTS) decoding

Use a different sound field program.

 

program is being used with material not

 

 

encoded with Dolby Surround (or DTS).

 

 

 

 

No sound from the front effect speakers.

The function “1E. SYS. SETUP” in the SET

Set to the “7ch” position.

 

MENU mode is set to the “5ch” position.

 

 

 

 

 

PRO LOGIC/Normal, DOLBY DIGITAL/

Select another program (or subprogram).

 

Normal or DTS DIGITAL SUR./Normal of

 

 

the DSP program No. 12 is selected.

 

 

 

 

No sound from the center speaker.

The function “1A. CENTER SP” in the SET

Select the appropriate position.

 

MENU mode is set to the “NONE” position.

 

 

 

 

 

One of the DSP programs No. 1 to No. 7 is

Select another program.

 

selected when the input signal of source is

 

 

2-channel stereo (analog/PCM).

 

 

 

 

 

The input signals of source encoded with

Refer to the instructions for the source

 

Dolby Digital or DTS do not have center

currently played.

 

channel signals.

 

 

 

 

Poor bass reproduction.

The function “1D. LFE/BASS OUT” in the

Select the MAIN position.

 

SET MENU mode is set in the SW or BOTH

 

 

position, though your system does not

 

 

include a subwoofer.

 

 

 

 

 

Output mode selection for each channel

Make output mode selections suitable for

 

(MAIN, CENTER or REAR) is improper.

your speaker system.

 

 

 

Sound “hums”.

Incorrect cord connections.

Firmly connect the audio plugs. If the

 

 

problem persists, the cords may be defective.

 

 

 

 

No connection from the turntable to the

Make the GND connection between the

 

GND terminal.

turntable and this unit.

 

 

 

The volume level is low while playing a

The record is being played on a turntable

The player should be connected to the unit

record.

with an MC cartridge.

through the MC head amplifier.

 

 

 

The volume level cannot be increased, or

The component connected to the TAPE/MD

Turn on the power to the component.

sound is distorted.

OUT terminals of this unit is turned off.

 

 

 

 

English

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