10 Troubleshooting - Philips MCM770 User Manual

10 Troubleshooting

Caution
•
Never remove the casing of this audio system.
To keep the warranty valid, never try to repair
the system yourself.
If you encounter problems when using this
audio system, check the following points before
requesting service. If the problem remains
unsolved, go to the Philips web site (www.
Philips.com/support). When you contact Philips,
ensure that your audio system is nearby and the
model number and serial number are available
(see 'Get started' on page 12 ) .
No power
•
Ensure that the AC adaptor of the audio
system is connected properly.
• Ensure that there is power at the AC
outlet.
•
As a power-saving feature, the system
switches off automatically 15 minutes after
track play reaches the end and no control
is operated.
No sound or poor sound
•
Adjust the volume.
•
Disconnect the headphones.
•
Check that the speakers are connected
correctly.
• Check if the stripped speaker wires are
clamped.
Left and right sound outputs reversed
Check the speaker connections and location.
No response from the audio system
•
Disconnect and reconnect the AC power
plug, then turn on the system again.
• As a power-saving feature, the system
switches off automatically 15 minutes after
track play reaches the end and no control
is operated.
24 EN
Remote control does not work
•
Before pressing any function button, fi rst
select the correct source with the remote
control instead of the main unit.
• Reduce the distance between the remote
control and the audio system.
•
Insert the battery with its polarities
(+/– signs) aligned as indicated.
•
Replace the battery.
•
Aim the remote control directly at the
sensor on the front of the audio system.
No disc detected
•
Insert a disc.
•
Check if the disc is inserted upside down.
•
Wait until the moisture condensation at
the lens has cleared.
• Replace or clean the disc.
• Use a fi nalized CD or correct format disc.
Cannot display some fi les in USB device
•
The number of folders or fi les in the USB
device has exceeded a certain limit. This
phenomenon is not a malfunction.
• The formats of these fi les are not
supported.
USB device not supported
The USB device is incompatible with the audio
system. Try another one.
Poor radio reception
• Increase the distance between the audio
system and your TV or VCR.
•
Fully extend the FM antenna.
•
Connect an outdoor FM antenna instead.
Timer does not work
•
Set the clock correctly.
• Switch on the timer.
Clock/timer setting erased
•
Power has been interrupted or the power
cord has been disconnected.
•
Reset the clock/timer.