Troubleshooting; Specifications - Yamaha NS-PA40 Owner's Manual

■ Front speakers (NS-F40), center speaker (NS-C40) and surround speakers (NS-B40)
Issue
There's no sound.
The sound is very quiet.
■ Subwoofer (NS-SW40)
Issue
The POWER switch is set
to ON but the subwoofer
doesn't work.
There's no sound.
The subwoofer is too
quiet.
■ Front speakers (NS-F40),
center speaker (NS-C40) and
surround speakers (NS-B40)
NS-F40 ............................................................2way bass reflex
NS-C40...................................Full range acoustic suspension
NS-B40 ................................................... Full range bass reflex
NS-F40
Woofer...................................... 7 cm (2-3/4") cone type x2
Tweeter............................. 2.5 cm (1") balanced dome type
NS-C40............................................. 7 cm (2-3/4") cone type
NS-B40 ............................................. 7 cm (2-3/4") cone type
....................................................... 30 W
.................................................. 100 W
............................................................................. 6 Ω
NS-F40 .............................................. 67 Hz–30 kHz (–10 dB)
NS-C40.............................................. 70 Hz–25 kHz (–10 dB)
NS-B40 .............................................. 50 Hz–25 kHz (–10 dB)
NS-F40 .........................................................85 dB/2.83 V, 1 m
NS-C40.........................................................84 dB/2.83 V, 1 m
NS-B40 .........................................................83 dB/2.83 V, 1 m
7
En

Troubleshooting

Possible cause
The speaker cables are not
connected properly.
The speaker cables are not
connected properly.
Possible cause
The power cable is not connected
properly.
The VOLUME control is set to 0. Turn up the VOLUME control.
The subwoofer cable is not
connected properly.
The source material doesn't
contain much bass.
Bass sounds are being cancelled
out by standing waves.

Specifications

non magnetic shielding type
non magnetic shielding type
non magnetic shielding type
–100 kHz (–30 dB)
–45 kHz (–30 dB)
–45 kHz (–30 dB)
Remedy
Make sure the speaker cables are connected properly.
Make sure the speaker cables are connected properly:
L (left) to L, R (right) to R, "+" to "+" and "–" to "–".
Remedy
Set the POWER switch to OFF, then make sure the power
cable is connected properly.
Make sure the subwoofer cable is connected properly.
Try playing source material that contains more bass.
Reposition the subwoofer, or break up parallel wall surfaces
by placing bookshelves or other large objects along the wall.
NS-F40 .................. 230 x 1000 x 230 mm (9" x 39-3/8" x 9")
NS-C40......276 x 111 x 118 mm (10-7/8" x 4-3/8" x 4-5/8")
NS-B40 ......112 x 176 x 116 mm (4-3/8" x 6-7/8" x 4-5/8")
NS-F40 ......................................................... 3.6 kg (7.9 lbs.)
NS-C40......................................................... 0.73 kg (1.61 lbs.)
NS-B40 ......................................................... 0.59 kg (1.30 lbs.)
■ Subwoofer (NS-SW40)
..............Advanced Yamaha Active Servo Technology II
............................................16 cm (6-1/2") cone woofer
.............. 50 W (100 Hz, 5 Ω, 10% T.H.D)
.............................................. 100 W, 5 Ω
.................INPUT (1P RCA pin jack): 12 kΩ
...........................................30 Hz–200 Hz
............................INPUT (1P RCA pin jack):
U.S.A. and Canada models ..........................AC 120 V, 60 Hz
Australia model.............................................AC 240 V, 50 Hz
U.K. and Europe models..............................AC 230 V, 50 Hz
China, Asia, and General models
....................................... AC 110–120/220–240 V, 50/60 Hz
.............................................................. 8.0 kg (17.6 lbs.)
Specifications are subject to change without notice.
(with base)
non magnetic shielding type
50 mV (50 Hz, 50 W/5 Ω)
.......................290 x 292 x 327 mm
(11-3/8" x 11-1/2" x 12-7/8")