Troubleshooting - Yamaha NS-P440 Bedienungsanleitung

TROUBLESHOOTING

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
Problem
No sound.
Sound level is too
low.
■ For
SW-P440
Problem
Power is not supplied.
No sound.
Sound level is too
low.
10
TROUBLESHOOTING
Cause
Speaker cables are not connected securely.
Speaker cables are not connected
correctly.
Cause
The power plug is not connected securely.
The POWER switch is set to the OFF
position.
The VOLUME control is set to the 0
position.
The subwoofer cables is not connected
securely.
A source that contains few bass signal is
played.
"Standing waves" have been developed
between two parallel walls and they
cancel the bass sound.
Remedy
Connect them securely.
Connect them correctly, that is L (left) to L, R (right) to R, "+" to
"+" and "–" to "–".
Remedy
Connect it securely.
Press the POWER switch inward to the ON position.
Rotate the VOLUME control clockwise.
Connect it securely.
Play a source that contains bass signal.
Face the subwoofer obliquely to the wall or break up the parallel
surface by placing bookshelves, etc. along the walls.