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40 DXZ388RUSB/DXZ389RUSB/DXZ389RGUSB
USB/MTP/iPod
No sound heard The device contains no MP3/
WMA/AAC files.
Record MP3/WMA/AAC files properly to the device.
The files are not proper MP3/
WMA/AAC format.
Use only properly encoded MP3/WMA/AAC files.
Connectors are loose. Disconnect the device and reconnect securely.
Sound is
interrupted or has
noise.
The MP3/WMA/AAC files are
improperly encoded.
Use only properly encoded MP3/WMA/AAC files.
The device isn’t
recognized.
The device is damaged. Disconnect the device and reconnect. If the device is
still not recognized, try replacing with a different
device.
Connectors are loose.
According to the state of
operation on the device, the
communication fault is
caused.
Disconnect the device and reconnect.
Can’t insert the
device.
The device has been inserted
improperly.
Try reversing the connection direction of the device
(usually the brand name surface should be facing
left).
The connector is broken. Replace with a new device.
Problem Cause Measure