Sony MHC-EX660 Panduan Petunjuk Pengoperasian - Halaman 20
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Troubleshooting
Should you encounter a problem with
your system, find your problem in the
troubleshooting checklist below and take
the corrective action.
If the problem persist, consult your
nearest Sony dealer.
Note that if the service personnel changes
some parts during repair, these parts may
be retained.
If "PROTECT EXX" (X is a number)
appears in the display panel
Immediately unplug the power cord,
and check the following items.
• Are you using only the supplied
speakers?
• Are the + and – speaker cords short-
circuited?
• Is anything blocking the ventilation
holes of the unit?
After checking the above items and
fixing any problems, plug in the power
cord again and turn on the system. If
the issue persists, consult your nearest
Sony dealer.
General
The clock or timer setting is canceled.
• The power cord is disconnected or a
power failure occurred. Set the clock
(page 8) and timer (page 16) again.
There is no sound.
• Adjust the volume.
• The headphones are connected to the
PHONES jack.
• Check the speaker connections (page 8).
• Check the connection of the optional
equipment, if any.
• Turn on the connected equipment.
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There is severe hum or noise.
• Move the unit away from the source of
noise.
• Connect the unit to a different wall
outlet.
• Install a noise filter (commercially
available) to the power cord.
• Turn off surrounding electrical
equipment.
The timer does not function.
• Check the timer setting and set the
correct time (page 16).
• Cancel the Sleep Timer function
(page 16).
The remote control does not function.
• Remove the obstacles between the
remote control and the unit.
• Move the remote control closer to the
unit.
• Point the remote control at the unit's
sensor.
• Replace the batteries (R6/size AA).
• Move the unit away from the
fluorescent light.
"CHILD LOCK" appears when you
press any button on the unit.
• Set the Child Lock function to off
(page 18).
Speakers
Sound comes from one channel or
unbalanced left and right volume.
• Place the speakers as symmetrically as
possible.
• Check that the speakers are connected
securely and correctly.
• The source being played back is
monaural.
There is no sound from a specific
speaker.
• Check that the speaker is connected
securely and correctly.