Yamaha YHT-693 Manuale d'uso - Pagina 16
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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.
Problem
Power is not supplied even though the
POWER
switch is set to the
position.
No sound.
Sound level is too low.
12
TROUBLESHOOTING
Cause
The power plug is not securely
ON
connected.
The volume is set to minimum.
Speaker cables are not connected
securely.
Speaker cables are not connected
correctly.
A source sound with few bass
frequencies is played.
It is influenced by standing waves.
What to Do
Connect it securely.
Raise the volume up.
Connect them securely.
Connect them correctly, that is L (left) to
L, R (right) to R, "+" to "+" and
–
–
"
" to "
".
Play a source sound with bass
frequencies.
HIGH CUT
Set the
switch to the
position.
Reposition the subwoofer or break up
the parallel surface by placing
bookshelves etc. along the walls.
HIGH