Sony MHC-V21 Operating Instructions Manual page 48

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.
48
US
"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).