Yamaha NS-P276 Manual Do Utilizador

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10
Troubleshooting
Refer to the chart below if the unit does not function properly. If the problem you are experiencing is not 
listed, or if the instructions fail to help you resolve the problem, disconnect the power cord and contact your 
authorized YAMAHA dealer or service center.
For the Subwoofer (SW-P270) only
Problem
Cause
What to Do
No sound.
Speaker cables are not connected 
securely.
Connect the speaker cables securely.
Sound level is too low.
Speaker cables are not connected 
correctly.
Connect the speaker cables correctly:
L (left) to L, R (right) to R, “+” to 
“+” and “–” to “–”.
Problem
Cause
What to Do
Power is not supplied even though the 
POWER switch is set to the ON position.
The power plug is not securely 
connected.
Turn the power switch OFF, then 
connect the power plug securely.
No sound.
The VOLUME control is set to 0.
Turn the VOLUME control to the 
right (clockwise).
The subwoofer cable is not connected 
securely.
Connect the subwoofer cable 
securely.
Sound level is too low.
You are playing a sound source that 
includes inadequate bass frequencies.
Play a sound source that includes 
more bass frequencies.
The sound level has been diminished 
by standing waves.
Reposition the subwoofer, or break 
up the parallel wall surface by 
placing bookshelves or other large 
objects along the wall.
00_NS-P270/276_UB.book  Page 10  Friday, December 2, 2005  4:36 PM