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Refer to the chart below when this unit 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 power cord and contact your authorized YAMAHA dealer
or service center.
TROUBLESHOOTING
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.
Connect it securely.
No sound. The volume is set to minimum. Raise the volume up.
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 “–”.
A source sound with few bass
frequencies is played.
Play a source sound with bass
frequencies.
Set the
HIGH CUT
switch to the
HIGH
position.
It is influenced by standing waves. Reposition the subwoofer or break up
the parallel surface by placing
bookshelves etc. along the walls.