Sony MHC-EC68USB Operating Instructions Manual - Page 26

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Troubleshooting

1
Make sure the power cord and
speaker cords are correctly and firmly
connected.
2
Find your problem in the checklist
below, and take the indicated
corrective action.
If the issue persists, contact your
nearest Sony dealer.
If "PROTECT" appears on the
display
Immediately unplug the power cord,
and check the following items.
 If your system has a voltage selector,
is the voltage selector set to the
correct voltage?
 Are the + and  speaker cords
short-circuited?
 Are you using only the supplied
speakers?
 Is anything blocking the ventilation
holes on the top or back of the
system?
After you have checked these above
items and found to be all right,
reconnect the power cord, and turn on
the system. If the issue persists, contact
your nearest Sony dealer.
GB
General
The system does not turn on.
 Is the power cord plugged in?
 Is the voltage selector set correctly to
match the local power line voltage?
Sound comes from one channel,
or the left and right volumes are
unbalanced.
 Place the speakers as symmetrically as
possible.
 Connect only the supplied speakers.
Sound lacks bass.
 Check that the Black (or Red) cord is
connected to the speaker's  (or +)
jack correctly.
Severe hum or noise.
 Move the system away from sources of
noise.
 Connect the system to a different wall
socket.
 Install a noise filter (available
separately) to the power cord.
The remote does not function.
 Remove any obstacles between the
remote and the remote sensor
the unit, and position the unit away
from fluorescent lights.
 Point the remote at the system's sensor.
 Move the remote closer to the system.
on