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 AC power plug and contact your authorized YAMAHA dealer or service center for help.

SYMPTOM

CAUSE

REMEDY

 

 

 

The unit fails to turn on when the POWER

The AC power plug is not plugged in or is not

Firmly plug in the AC power plug.

switch is pressed, or turns off suddenly

completely inserted.

 

soon after the power is turned on.

 

 

The IMPEDANCE SELECTOR switch on the

Set the switch to the upper or the lower end

 

rear panel is not set to the upper or the lower

exactly.

 

end exactly.

 

 

 

 

No sound.

Incorrect output cable connections.

Connect the cables properly. If the problem

 

 

persists, the cables may be defective.

 

 

 

 

The 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 corresponds

 

properly.

to the speakers to be used, to ON.

 

 

 

 

Speaker connections are not secure.

Secure the connections.

 

 

 

 

The jumpor pins (PRE OUT/MAIN IN) are not

Connect the jumper pins properly.

 

connected properly. (AX-592 and AX-892 only)

(AX-592 and AX-892 only)

Sound level is too low.

The MUTING switch is pushed in. (Muting is

Push the MUTING switch again. (Muting is off)

 

on) (AX-892 only)

(AX-892 only)

 

 

 

The sound suddenly goes off.

The protection circuit has been activated

Turning the unit off and then on will reset the

 

because of a short circuit, etc.

protection circuit.

 

 

 

Only one speaker outputs sound.

Incorrect setting of the BALANCE control.

Adjust it to the appropriate position.

 

 

 

 

Incorrect cable connections.

Connect the cables properly. If the problem

 

 

persists, the cables may be defective.

 

 

 

There is a lack of bass and no ambience.

The cable polarity is reversed at the amplifier

Connect the speaker cables correctly.

 

or speakers.

 

The sound “hums”.

Incorrect cable connections.

Firmly connect the cables. If the problem

 

 

persists, the cables 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 proper

 

improper position (AX-592 and AX-892 only).

position (AX-592 and AX-892 only).

The volume level cannot be increased, or

The power to the component connected to the

Turn the power to the component on.

sound is distorted.

REC OUT terminals of this unit is off.

 

 

 

 

Using the BASS, TREBLE, BALANCE, and

The CD DIRECT AMP or PURE DIRECT

The CD DIRECT AMP and PURE DIRECT

LOUDNESS controls and SUBSONIC

switch is on.

switches must be switched off to use those

FILTER switch (AX-592 and AX-892 only)

 

controls.

does not affect the tone.

 

 

 

 

 

The input source can not be changed,

The CD DIRECT AMP switch is on.

Switch off the CD DIRECT AMP switch.

though the INPUT selector is turned.

 

 

 

 

 

The remote control does not work.

Direct sunlight or lighting (of an inverter type of

Change the position of the unit.

 

fluorescent lamp etc.) is striking the remote

 

 

control sensor of the unit.

 

 

 

 

The distance or range within which the

The batteries of the remote control are too

Replace the batteries with new ones.

remote control can be used decreases.

weak.

 

The sound is degraded when listening with

The power to this unit is off.

Turn the power to this unit on.

the headphones connected to the compact

 

 

disc player or cassette deck that are

 

 

connected with this unit.

 

 

 

 

 

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