TROUBLESHOOTING
10
Refer to the chart below when this speaker package does not function properly. If the problem you are experiencing is not
listed below or if the instructions given below do not help, disconnect the AC power plug and contact your authorized
YAMAHA dealer or service center.
■
General
■
For
SW-P440
TROUBLESHOOTING
Problem
Cause
Remedy
No sound.
Speaker cables are not connected securely.
Connect them securely.
Sound level is too
low.
Speaker cables are not connected
correctly.
Connect them correctly, that is L (left) to L, R (right) to R, “+” to
“+” and “–” to “–”.
Problem
Cause
Remedy
Power is not supplied.
The power plug is not connected securely.
Connect it securely.
The POWER switch is set to the OFF
position.
Press the POWER switch inward to the ON position.
No sound.
The VOLUME control is set to the 0
position.
Rotate the VOLUME control clockwise.
The subwoofer cables is not connected
securely.
Connect it securely.
Sound level is too
low.
A source that contains few bass signal is
played.
Play a source that contains bass signal.
“Standing waves” have been developed
between two parallel walls and they
cancel the bass sound.
Face the subwoofer obliquely to the wall or break up the parallel
surface by placing bookshelves, etc. along the walls.
000_EN_book_NS-P440_446_RTL.book Page 10 Wednesday, November 30, 2005 6:58 PM
