Yamaha NS-P280 - Инструкция по эксплуатации - Страница 8

5

 En

• 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 
characteristics of the subwoofer (NS-SW280).

The following graph shows the combined frequency 
characteristics of the subwoofer (NS-SW280) and 
front speakers (NS-B280).

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.

■

Subwoofer (NS-SW280)

20

50

100

200

500 Hz

40

50

60

70

80

90

100 dB

20

50

100

200

500 Hz

40

50

60

70

80

90

100 dB

NS-SW280

NS-B280

Troubleshooting

Issue

Possible cause

Remedy

There’s no sound.

The speaker cables are not 
connected properly.

Make sure the speaker cables are connected properly.

The sound is very quiet.

The speaker cables are not 
connected properly.

Make sure the speaker cables are connected properly: 
L (left) to L, R (right) to R, “+” to “+” and “–” to “–”.

Issue

Possible cause

Remedy

The POWER switch is set 
to ON but the subwoofer 
doesn’t work.

The power cable is not connected 
properly.

Set the POWER switch to OFF, then make sure the power 
cable is connected properly.

There’s no sound.

The VOLUME control is set to 0. Turn up the VOLUME control.
The subwoofer cable is not 
connected properly.

Make sure the subwoofer cable is connected properly.

The subwoofer is too 
quiet.

The source material doesn’t 
contain much bass.

Try playing source material that contains more bass.

Bass sounds are being cancelled 
out by standing waves.

Reposition the subwoofer, or break up parallel wall surfaces 
by placing bookshelves or other large objects along the wall.