There is no sound.
• Adjust the volume.
• Check the connection of the optional
equipment, if any.
• Turn on the connected equipment.
• Disconnect the AC power cord, then
reconnect the AC power cord and
turn on the system.
There is severe hum or noise.
• Move the system away from sources
of noise.
• Connect the system to a different
wall outlet.
• Install a noise filter (commercially
available) to the AC power cord.
• Turn off surrounding electrical
equipment.
There is acoustic feedback.
• Reduce the volume.
USB device
The connected USB device cannot be
charged.
• Make sure the USB device is
connected securely.
• If the remaining battery level of
the system is less than 10%, the
connected USB device cannot be
charged.
The USB device does not work
properly.
• If you connect an unsupported
USB device, the following problems
may occur. See "Information about
compatible devices" (page 34).
—The USB device is not recognized.
—Playback is not possible.
—The sound skips.
—There is noise.
—A distorted sound is output.
There is no sound.
• The USB device is not connected
correctly. Turn off the system, then
reconnect the USB device.
There is noise, skipping, or distorted
sound.
• You are using an unsupported USB
device. See "Information about
compatible devices" (page 34).
• Turn off the system and reconnect
the USB device, then turn on the
system.
• The music data itself contains noise,
or the sound is distorted. Noise may
have been entered during music
creation process using the computer.
Create the music data again.
• The bit rate used when encoding an
audio file was low. Send an audio
file with higher bit rates to the USB
device.
The USB device is not recognized.
• Turn off the system and reconnect
the USB device, then turn on the
system.
• You are using an unsupported USB
device. See "Information about
compatible devices" (page 34).
• The USB device is not working
properly. Refer to the operating
instructions of the USB device on
how to deal with this problem.
Playback does not start.
• Turn off the system and reconnect
the USB device, then turn on the
system.
• You are using an unsupported USB
device. See "Information about
compatible devices" (page 34).
Playback does not start from the first
file.
• Set the play mode to normal play
mode using "Sony | Music Center"
(page 22).
35
GB