Yamaha AV-S7 Owner's Manual download pdf (Page 27)

E-23

English

If your 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, or if the fault is not listed in the SYMPTOM column, unplug the power cord and contact your

authorized YAMAHA dealer or service center for help.

TROUBLESHOOTING

CAUSE

The power cord is not connected.

(U.K. and Europe models)

The MAIN POWER switch is set to OFF.

The internal microcomputer has been

frozen by an external electric shock

(lightning, excessive static electricity, etc.)

or a low-voltage power supply .

Loose speaker connections.

Internal protection circuit is functioning.

One rear speaker connection is loose or

bad.

The volume level of the rear speakers is

set to minimum.

No DSP program is selected.

The volume level of the center speaker is

set to minimum.

Incorrect DSP program selection.

No DSP program is selected.

Incorrect cord connections.

Input source selection is not correct.

Batteries are dead.

Remote control transmitter is too far away

or is being used at an incorrect angle.

Direct sunlight or lighting (an inverter type

flourescent lamp) is striking the remote

control sensor of the center speaker.

SYMPTOM

The system does not turn on even

when the STANDBY/ON button (or the

POWER button on the remote control

transmitter) is pressed.

This unit will not operate properly.

No sound from a speaker.

No sound from speakers.

No sound from the rear speakers.

No sound from the center speaker.

No sound from an external unit

connected with this system.

The remote control transmitter does not

work.

REMEDY

Connect the power cord.

Set the MAIN POWER switch to ON.

Unplug the AC supply lead from the wall outlet, and

then plug it in again after about one minute.

Connect properly.

Unplug the AC supply lead from the wall outlet, and

then plug it in again.

Connect it properly.

Raise the volume level of the rear speakers.

Select the appropriate program.

Raise the volume level of the center speaker.

Select the appropriate program.

Connect the cords correctly. If the problem persists,

the cords may be defective.

Make a proper input source selection.

Replace batteries.

Use within 6 m and 60° of the sensor.

Change the position of the center speaker.

GENERAL

REMOTE CONTROL

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Yamaha AV-S7 Owner's Manual Page 27

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