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

Power cord is not plugged in or is not completely

Firmly plug in the power cord.

 

 

switch is pressed, or turns off suddenly soon

inserted.

 

 

 

after the power is turned on.

 

 

 

 

The IMPEDANCE SELECTOR switch on the rear

Set the switch to the upper or the lower end exactly.

 

 

 

 

 

 

panel is not set to the upper or the lower end

 

 

 

 

exactly.

 

 

 

 

 

 

 

 

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

Turning the unit off and then on will reset the

 

 

 

of short circuit etc.

protection circuit.

 

 

 

 

 

 

 

 

The SLEEP timer has functioned.

Cancel the SLEEP timer function.

Amplifier

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.

 

 

 

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

Make the GND connection between the turntable

 

 

 

terminal.

and this unit.

 

 

The volume level is low while playing a record.

The record is being played on a turntable with an

The player should be connected to the unit through

 

 

 

MC cartridge.

the MC head amplifier.

 

 

 

 

 

 

 

The volume level cannot be increased, or

The power to the component connected to the REC

Turn the power to the component on.

 

 

sound is distorted.

OUT terminals of this unit is off.

 

 

 

 

 

 

 

 

No sound from the rear speakers.

The sound output level to the rear speakers is set

Raise the sound output level to the rear speakers.

 

 

 

to minimum.

 

 

 

 

The monaural sound source is played in DOLBY

Select another program suitable for the monaural

 

 

 

PRO LOGIC or DOLBY PRO LOGIC ENHANCED

sound source.

 

 

 

mode.

 

 

 

No sound from the center speaker.

The sound output level to the center speaker is set

Raise the sound output level to the center speaker.

 

 

 

to 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

Set the TUNING MODE button to the manual tuning

 

 

 

poor.

mode.

FM

There is distortion and clear reception cannot

There is multipath interference.

Adjust antenna placement to eliminate multipath

be obtained even with a good FM antenna.

 

interference.

 

 

A desired station cannot be tuned in with the

The station is too weak.

Use the manual tuning method.

 

 

automatic tuning method.

 

Use a high quality directional FM antenna.

 

 

Previously preset stations can no longer be

This unit has been unplugged for a long period.

Repeat the presetting procedure.

 

 

tuned in.

 

 

 

 

 

 

 

 

 

A desired station cannot be tuned in with the

Weak signal or loose antenna connections.

Tighten the AM loop antenna connections and

 

 

automatic tuning method.

 

rotate it for best reception.

 

 

 

 

Use the manual tuning method.

AM

 

 

 

There are continuous crackling and hissing

Noises will result from ligtning, fluorescent lamps,

Use an outdoor antenna and a ground wire. This

noises.

motors, thermostats and other electrical equipment.

will 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 work.

Direct sunlight or lighting (of an inverter type of

Change the position of the main unit.

 

flourescent lamp etc.) is striking the remote control

 

 

sensor of the main unit.

 

 

 

 

 

The batteries of this remote control transmitter are

Replace the batteries with new ones.

 

 

 

too weak.

 

Others

The sound is degraded when listening with the

The power to this unit is off.

Turn the power to this unit on.

headphones connected to the compact disc

 

 

player or cassette deck that are connected with

 

 

this unit.

 

 

 

 

 

 

 

 

 

 

 

English

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