48
US
MHC-V21.US.4-736-607-
12
(1)
There is no sound.
•
•
The USB device is not connected
correctly. Turn off the system and
reconnect the USB device, then
turn on the system and check if
“USB” appears on the display.
There is noise, skipping, or
distorted sound.
•
•
You are using an unsupported USB
device. Check the information on
the website about compatible USB
devices (page 10).
•
•
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 entered during
the transfer process. Delete the
file, and try transfer again.
•
•
The bit rate used in encoding an
audio file was low. Send an audio
file with higher bit rate to the USB
device.
“READING” is displayed for an
extended time, or it takes a long
time before playback starts.
•
•
The reading process can take a
long time in the following cases.
•
—There are many folders or files
on the USB device (page 9).
•
—The file structure is extremely
complex.
•
—The memory capacity is
excessive.
•
—The internal memory is
fragmented.
“NO FILE” appears on the display.
•
•
The system has entered the
software update mode, and
all buttons (except
) are
deactivated. Press
on the unit to
cancel the software update.
“OVER CURRENT” appears on the
display.
•
•
A problem has been detected
with the level of electrical current
from the (USB) port. Turn off
the system and remove the USB
device from the port. Make sure
there is no problem with the USB
device. If this display pattern
persists, contact your nearest Sony
dealer.
Erroneous display.
•
•
The data stored in the USB
device may have been corrupted,
perform the transfer again.
•
•
The character codes that can be
displayed by this system are as
follows:
•
—Upper cases (A to Z)
•
—Numbers (0 to 9)
•
—Symbols (< > * +, [ ] \ _)
Other characters appear as “_”.
The USB device is not recognized.
•
•
Turn off the system and reconnect
the USB device, then turn on the
system.
•
•
Check the information on the
website about compatible USB
devices (page 10).
•
•
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.
•
•
Check the information on the
website about compatible USB
devices (page 10).
Playback does not start from the
first file.
•
•
Set the play mode to Normal Play
(page 19).
