Philips NTRX500 - PCB Layout - Amp Board

23EN
12 Troubleshooting
Caution
• Never remove the casing of this unit.
To keep the warranty valid, never try to repair
the system yourself.
If you encounter problems when using this unit,
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
unit is nearby and the model number and serial
number are available.
No power
• Ensure that the AC power plug of the unit
is connected properly.
• Ensure that there is power at the AC
outlet.
• To save power, the unit switches to
standby automatically 15 minutes after
a play reaches the end and no control is
operated.
No sound or poor sound
• Adjust the volume.
• 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 unit
• Disconnect and reconnect the AC power
plug, then turn on the unit again.
Remote control does not work
• Beforeyoupressanyfunctionbutton,rst
select the correct source with the remote
control instead of the main unit.
• Reduce the distance between the remote
control and the unit.
• Insert the batteries with their polarities
(+/– signs) aligned as indicated.
• Replace the batteries.
• Aim the remote control directly at the
sensor on the front of the main unit.
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nalizedCDorcorrectformatdisc.
Cannot display some les in USB device
• ThenumberoffoldersorlesintheUSB
device has exceeded a certain limit. This
phenomenon is not a malfunction.
• Theformatsoftheselesarenot
supported.
USB device not supported
• The USB device is incompatible with the
unit. Try another one.
Cannot apply sound effects when playing from
a USB B device.
• USB B mode does not support DBB, DSC,
DJ EFFECT or AUTO DJ effects.
Cannot delete les from a USB B device.
• USB B mode does not support USB
Delete function.
Poor radio reception
• Increase the distance between the unit and
your TV or VCR.
• If the signal is too weak, adjust the antenna
or connect an external antenna for better
reception.