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Disc Player
Problem
Cause
No sound heard
MP3/WMA files are
absent in a disc.
Files are not
recognized as an MP3/
WMA file.
File system is not
correct.
Sound skips or is
Compact disc is dirty.
noisy.
Compact disc is
heavily scratched or
warped.
Sound is cut or
MP3/WMA files are not
skipped.
encoded properly.
Sound is bad
Water droplets may
directly after
form on the internal
power is turned
lens when the car is
on.
parked in a humid
place.
Wrong filename
File system is not
correct.
USB Devices
Problem
Cause
No sound heard
The device contains no
MP3/WMA files.
The files are not proper
MP3/WMA format.
Sound is
The MP3/WMA
interrupted or has
files are improperly
noise.
encoded.
The device isn't
The device is
recognized.
damaged.
Connectors are loose.
Can't insert the
The device has been
device.
inserted improperly.
The connector is
broken.
Measure
Write MP3/WMA files onto the disc
properly.
Use MP3/WMA files encoded properly.
Use ISO9660 level 1, 2 or JOLIET or
Romeo or APPLE ISO file system.
Clean the compact disc with a soft cloth.
Replace with a compact disc with no
scratches.
Use MP3/WMA files encoded properly.
Let dry for about 1 hour with the power on.
Use ISO9660 level 1, 2 or JOLIET or
Romeo or APPLE ISO file system.
Measure
Record MP3/WMA files properly to the
device.
Use only properly encoded MP3/WMA
files.
Use only properly encoded MP3/WMA
files.
Disconnect the device and reconnect. If the
device is still not recognized, try replacing
with a different device.
Try reversing the connection direction of
the device (usually the brand name surface
should be facing left).
Replace with a new device.
21
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