Yamaha NS-P280: Troubleshooting

•If you replace the front speakers (NS-B280) with

other speakers, you will need to re-adjust the

subwoofer’s volume.

•The frequency characteristics graphs below show

how the subwoofer and front speakers work

together to provide a full-range sound.

Frequency characteristics

The following graph shows the frequency

The following graph shows the combined frequency

characteristics of the subwoofer (NS-SW280).

characteristics of the subwoofer (NS-SW280) and

front speakers (NS-B280).

100 dB

100 dB

90

90

80

80

70

70

NS-SW280

60

60

NS-B280

50

50

40

40

20 50 100 200 500 Hz

20 50 100 200 500 Hz

Troubleshooting

If this product doesn’t work as expected, look for a possible cause below. If the issue you are experiencing is not

listed, or you cannot resolve it after reading through these instructions, disconnect the power cable and contact an

authorized Yamaha dealer or service center.

Issue Possible cause Remedy

There’s no sound. The speaker cables are not

Make sure the speaker cables are connected properly.

connected properly.

The sound is very quiet. The speaker cables are not

Make sure the speaker cables are connected properly:

connected properly.

L (left) to L, R (right) to R, “+” to “+” and “–” to “–”.

 Subwoofer (NS-SW280)

Issue Possible cause Remedy

The POWER switch is set

The power cable is not connected

Set the POWER switch to OFF, then make sure the power

to ON but the subwoofer

properly.

cable is connected properly.

doesn’t work.

There’s no sound. The VOLUME control is set to 0. Turn up the VOLUME control.

The subwoofer cable is not

Make sure the subwoofer cable is connected properly.

connected properly.

The subwoofer is too

The source material doesn’t

Try playing source material that contains more bass.

quiet.

contain much bass.

Bass sounds are being cancelled

Reposition the subwoofer, or break up parallel wall surfaces

out by standing waves.

by placing bookshelves or other large objects along the wall.

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