TROUBLESHOOTING

If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center for help.

 

SYMPTOM

CAUSE

REMEDY

 

 

 

 

 

The unit fails to turn on when

Power cord is not plugged in or is not

Firmly plug in the power cord.

 

STANDBY/ON is pressed, or turns

completely inserted.

 

 

into the standby mode suddenly

 

 

 

The IMPEDANCE SELECTOR switch

Set the switch fully to the upper or

 

soon after the power is turned on.

 

on the rear panel is not fully set to the

lower end.

 

 

 

 

upper or lower end.

 

 

 

 

 

 

The unit does not work normally.

There is an influence of strong external

Turn this unit into the standby mode

 

 

noise (lightning, excessive static

and disconnect the AC power cord from

 

 

electricity, etc.) or a misoperation while

the AC outlet. After about 30 seconds

 

 

using this unit.

have passed, 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

Select an appropriate input source with

 

 

selected.

INPUT.

 

 

 

 

 

 

SPEAKERS are not set properly.

Set SPEAKERS corresponding to the

 

 

 

speakers in use to the ON position.

 

 

 

 

 

 

Speaker connections are not secure.

Secure the connections.

 

 

 

 

 

No picture.

There is no S video terminal connection

Connect this unit’s S VIDEO MONITOR

 

 

between this unit and the TV, though S

OUT terminal to the TV’s S video input

 

 

video signals are input to this unit.

terminal.

 

 

 

 

 

The sound suddenly goes off.

The protection circuit has been

Turning the unit into the standby mode

 

 

activated because of short circuit etc.

and then on again will reset the

Amplifier

 

 

protection circuit.

sound.

 

 

The SLEEP timer has functioned.

Cancel the SLEEP timer function.

 

 

 

 

 

 

 

Only one side speaker outputs

Incorrect setting of BALANCE.

Adjust it to the appropriate position.

 

 

 

 

 

 

Incorrect cord connections.

Connect the cords properly. If the

 

 

 

problem persists, the cords may be

 

 

 

defective.

 

 

 

 

 

A “humming” sound can be heard.

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

The record is being played on a

The turntable should be connected to

 

a record.

turntable with an MC cartridge.

the unit through the MC head amplifier.

 

 

 

 

 

The volume level cannot be

The component connected to the REC

Turn the power to the component on.

 

increased, or the sound is distorted.

OUT terminals of this unit is in the

 

 

 

standby mode.

 

 

 

 

 

 

No sound from the rear speakers.

The sound output level of the rear

Raise the sound output level of the rear

 

 

speakers is set to minimum.

speakers.

 

 

 

 

 

 

A monaural sound source is being

Select another sound field program

 

 

played in DOLBY PRO LOGIC or

suitable for the monaural sound source.

 

 

DOLBY PRO LOGIC ENHANCED

 

 

 

mode.

 

 

 

 

 

 

No sound from the center speaker.

The sound output level of the center

Raise the sound output level of the

 

 

speaker is set to minimum.

center speaker.

 

 

 

 

 

 

The center channel mode is in NONE

Select LARGE or SMALL.

 

 

mode.

 

 

 

 

 

 

 

Incorrect sound field program selection.

Select the appropriate program.

 

 

 

 

English

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