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.

inserted.

 

 

 

 

 

 

No sound or no picture.

Incorrect output cord connections.

Connect the cords properly. If the problem persists,

 

 

 

the cords may be defective.

 

 

 

 

 

 

Appropriate input selector is not pressed.

Press the appropriate input selector corresponding

 

 

 

to the input source.

 

 

 

 

 

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 functioned.

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.

 

 

 

 

Amplifier

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

Turn up the sound output level with the REAR

 

 

to 0.

LEVEL control.

 

 

 

 

 

 

Incorrect sound field program selection.

Select the appropriate program.

 

 

 

 

 

No sound field program is selected.

 

 

 

 

 

 

 

 

No sound from the center speaker.

The sound output level to the center speaker is set

Turn up the sound output level with the CENTER

 

 

to 0.

LEVEL control.

 

 

 

 

 

 

The center channel mode is in PHANTOM mode.

Select NORMAL or WIDE.

 

 

 

 

 

 

Incorrect sound field program selection.

Select the appropriate program.

 

 

 

 

 

No sound field program is selected.

 

 

 

 

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 multiple element FM antenna.

 

 

transmitter is too far away or the antenna input is

 

FM

 

poor.

 

 

 

 

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 Auto

The station is too weak.

Use Manual tuning mode.

 

tuning.

 

Use a high quality directional FM antenna.

 

 

 

 

 

A desired station cannot be tuned in with Auto

Weak signal or loose antenna connections.

Tighten the AM loop antenna connections and

 

tuning.

 

rotate it for best reception.

 

 

 

 

 

 

 

Use Manual tuning mode.

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).

 

 

 

 

 

 

Remotecontrol 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 monitoring is

The power to this unit is off.

Turn the power to this unit on.

performed by using the headphones connected

 

 

to the compact disc player or cassette deck

 

 

which are connected with this unit.

 

 

 

 

 

 

 

 

 

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