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

Firmly plug in the power cord.

switch is pressed.

completely inserted.

 

 

 

 

No sound.

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.

 

 

 

 

The SPEAKERS switches are not set

Set the SPEAKERS switch which

 

properly.

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 functioned because

Turning the unit off and then on will reset the

 

of short circuit etc.

protection circuit.

 

 

 

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.

 

 

 

There is a lack of bass, and no ambience.

The + and – wires are connected in reverse

Connect the speaker wires in the correct

 

at the amplifier or speakers.

phase (+ and –).

 

 

 

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

 

terminal.

turntable and this unit.

 

 

 

Sound level is low or sound is distorted

The LOUDNESS control is functioning.

Set the LOUDNESS control to the FLAT

while playing a record on the turntable.

 

position.

 

 

 

 

The PHONO (MM/MC) switch is set to the

Set the PHONO (MM/MC) switch to the

 

improper position.

proper position.

 

 

 

 

The MUTING key is ON.

First, turn the volume control to the full left.

 

 

Then, turn the MUTING key OFF with the

 

 

remote control transmitter and adjust the

 

 

volume.

 

 

 

Using the BASS, TREBLE, BALANCE,

The PURE DIRECT switch is ON.

The PURE DIRECT switch must be switched

LOUDNESS controls, SUBSONIC FILTER

 

OFF to use those controls.

switch and MODE switch does not affect

 

 

the tone.

 

 

 

 

 

The volume level cannot be increased, or

The power to the component connected to

Turn the power to the component on.

sound is distorted.

the REC OUT terminals of this unit is off.

 

 

 

 

The sound is degraded when listening

The power to this unit is off.

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.

 

 

 

 

 

The remote control transmitter does not

Direct sunlight or lighting (of an inverter type

Change position of the main unit.

work.

of flourescent lamp etc.) is striking the

 

 

remote control sensor of the main unit.

 

 

 

 

The distance or range within which the

The batteries of this remote control

Replace the batteries with new ones.

remote control transmitter can be used

transmitter are too weak.

 

decreases.

 

 

 

 

 

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