Troubleshooting

Refer to the chart below when the DSP-AX1 does not function properly. If the problem you are experiencing is not listed below or if the instruction below does not help, turn the power off, disconnect the power cord, and contact your dealer or the nearest Yamaha Audio Products Service Department.

After this unit is exposed to strong external electric shock (such as lightning and large static electricity) or you mishandle the operation of this unit, it may not function properly. In these cases, turn the power off, unplug the power cord, plug it back in after 30 seconds, and start operating.

General

Problem

Possible Cause

What to Do

The unit fails to turn on when

The power cord is not plugged in or is not

Plug in the power cord securely (see page

STANDBY/ON is pressed, or

completely inserted.

24).

returns to standby mode

 

 

IMPEDANCE SELECTOR on the rear

 

suddenly soon after the power

Set the switch completely to either position

is turned on.

panel is not set correctly.

(depending on your speakers) while this unit

 

 

is in standby mode (see page 22).

 

 

 

 

The protection circuitry has been

Make sure all speaker wire connections on

 

activated.

this unit and on all speakers are secure and

 

 

that the wire for each connection does not

 

 

touch anything other than its respective

 

 

connection.

 

 

 

Hum

There is a faulty cable connection.

Connect the audio plugs securely. If the

 

 

problem persists, the cords may be defective.

 

 

 

 

No connection from the turntable to the

Connect the grounding cord of your turntable

 

GND terminal.

to the GND terminal of this unit (see page

 

 

16).

 

 

 

No Sound or no picture

The volume is turned down.

Turn up the volume.

 

 

 

 

Faulty or incorrect input or output

Connect the equipment correctly. If the

 

connection.

problem persists, the cords may be defective.

 

 

 

 

Incorrect input source.

Select the appropriate input source with

 

 

INPUT SELECTOR.

 

 

 

 

This unit is set to DTS input mode.

Press INPUT MODE to select another input

 

 

mode

 

 

 

 

Digital signals other than PCM audio,

Play a source whose signals this unit can

 

Dolby Digital, or DTS encoded signals are

reproduce.

 

input to this unit by playing a CD-ROM,

 

 

etc.

 

 

 

 

No picture

The source equipment is connected to this

Connect this unit’s S VIDEO MONITOR OUT

 

unit using an S-video cable, but there is

terminal to the TV’s S-video input terminal or

 

no S-video connection between this unit

disconnect the S-video cable from the source

 

and your video monitor.

equipment.

 

 

 

No sound is coming from one

There is a faulty cable connection.

Connect all cables securely. If the problem

side.

 

persists, the cords may be defective.

 

 

 

 

BALANCE is turned all the way to one

Adjust BALANCE.

 

side.

 

 

 

 

The volume level cannot be

MUTE is on.

Turn VOLUME to minimum, press MUTE to

increased very much when

 

restore audio, and adjust the volume again.

adjusting VOLUME.

 

 

The equipment connected to the TAPE/

Turn on the power to the equipment.

 

 

MD OUT jacks of this unit is turned off.

 

 

 

 

The sound suddenly goes off.

The protection circuitry has been activated

Reset the protection circuitry by turning the

 

because of short circuit etc.

unit off and on.

 

 

 

 

The SLEEP timer came on.

Cancel the SLEEP timer function.

 

 

 

English

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