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 the

Power cord is not plugged in or is not completely

Firmly plug in the power cord.

 

STANDBY/ON switch is pressed, or

inserted.

 

 

turns into the standby mode suddenly

 

 

 

The IMPEDANCE SELECTOR switch on the rear

Set the switch to the right or the left end firmly.

 

soon after the power is turned on.

 

panel is not set to the right or the left end firmly.

 

 

 

 

 

 

 

 

 

 

 

It happens that this unit does not work

There is an influence of strong external noise

Turn this unit into the standby mode and disconnect the

 

normally.

(lightning, excessive static electricity, etc.) or a

AC power cord from the AC outlet. After about 30

 

 

 

misoperation on this unit while using this unit.

seconds, 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 an appropriate input source with the input

 

 

 

 

selector buttons.

 

 

 

The SPEAKERS switches are not set properly.

Set the SPEAKERS switch which corresponds to the

 

 

 

 

speakers to be used to the ON position.

 

 

 

 

 

 

 

 

Speaker connections are not secure.

Secure the connections.

 

 

 

 

 

 

The sound suddenly goes off.

The protection circuit has been activated because of

Turn this unit into the standby mode, and then turn on

 

 

 

short circuit etc.

to reset the protection circuit.

Amplifier

 

 

 

 

 

 

The SLEEP timer has functioned.

Cancel the SLEEP timer function.

Only one side speaker outputs the

Incorrect setting of the BALANCE control.

Adjust it to the appropriate position.

sound.

 

 

Incorrect cord connections.

Connect the cords properly. If the problem persists, the

 

 

 

 

 

cords may be defective.

 

 

 

 

 

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 GND terminal.

Make the GND connection between the turntable and

 

 

 

 

this unit.

 

 

 

 

 

The volume level is low while playing a

The record is being played on a turntable with an MC

The player should be connected to the unit through the

 

record.

cartridge.

MC head amplifier.

 

 

 

 

 

The volume level cannot be increased,

The component connected to the REC OUT terminals

Turn the power to the component on.

 

or sound is distorted.

of this unit is turned off.

 

 

No sound from the rear speakers.

The sound output level to the rear speakers is set to

Raise the sound output level to the rear speakers.

 

 

 

minimum.

 

 

 

 

The monaural sound source is played in DOLBY PRO

Select another program suitable for the monaural sound

 

 

 

LOGIC or DOLBY PRO LOGIC ENHANCED mode.

source.

 

No sound from the center speaker.

The sound output level to the center speaker is set to

Raise the sound output level to the center speaker.

 

 

 

minimum.

 

 

 

 

The center channel mode is in PHANTOM mode.

Select NORMAL or WIDE.

 

 

 

 

 

 

 

 

Incorrect sound field program selection.

Select the appropriate program.

 

FM stereo reception is noisy.

Because of the characteristics of FM stereo

Check the antenna connections.

 

 

 

broadcasts, this is limited to cases where the

Try using a high quality directional FM antenna.

 

 

 

transmitter is too far away or the antenna input is poor.

Set the TUNING MODE button to the manual tuning

 

 

 

 

mode.

FM

There is distortion and clear reception

There is multipath interference.

Adjust antenna placement to eliminate multipath

cannot be obtained even with a good

 

interference.

FM antenna.

 

 

 

 

 

 

A desired station cannot be tuned in

The station is too weak.

Use the manual tuning method.

 

with the automatic tuning method.

 

Use a high quality directional FM antenna.

 

Previously preset stations can no

This unit has been unplugged for a long period.

Repeat the presetting procedure.

 

longer be tuned in.

 

 

 

A desired station cannot be tuned in

Weak signal or loose antenna connections.

Tighten the AM loop antenna connections and rotate it

 

with the automatic tuning method.

 

for best reception.

AM

 

 

 

Use the manual tuning method.

 

 

 

There are continuous crackling and

Noises will result from lightning, fluorescent lamps,

Use an outdoor antenna and a ground wire. This will

 

hissing noises.

motors, thermostats and other electrical equipment.

help somewhat but it is difficult to eliminate all noise.

 

There are buzzing and whining noises

A television set is being used nearby.

Relocate this unit away from the TV.

 

(especially in the evening).

 

 

Remote control transmitter

The remote control transmitter does not

Direct sunlight or lighting (of an inverter type of

Change the position of the main unit.

work.

fluorescent lamp etc.) is striking the remote control

 

 

 

sensor of the main unit.

 

 

 

 

 

 

 

The batteries of this remote control transmitter are too

Replace the batteries with new ones.

 

 

weak.

 

 

 

 

 

 

 

 

 

Others

The sound is degraded when listening

This unit is in the standby mode.

Turn the power to this unit on.

with the headphones connected to the

 

 

compact disc player or cassette deck

 

 

that are connected with this unit.

 

 

 

 

 

 

 

 

 

 

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