
model name [MHC-V4D]
[4-540-486-
12
(1)] GB
48
GB
filename[D:\NORM'S JOB\SONY HA\SO140051\MHC-V4D_PMRF
02\4540486121_GB\090INF.fm]
masterpage:Left
There is severe hum, noise, or
distorted sound.
• If there are obstacles between the
system and your
Bluetooth
device,
remove or avoid the obstacles.
• If there is equipment that generates
electromagnetic radiation, such as a
wireless LAN, other
Bluetooth
device,
or a microwave oven nearby, move
them away.
• Turn down the volume of the connected
Bluetooth
device.
To reset the system
If the system still does not operate
properly, reset the system to factory
default settings.
Use the buttons on the unit to perform this
operation.
1
Unplug and plug the AC power cord
back in.
2
Press
"/1
to turn on the system.
3
Hold down
X
and ENTER for about
3 seconds.
“RESET” appears in the display panel.
All user-configured settings, such as
preset radio stations, timer, and the
clock are reset to factory default
setting.
Returning the “SETUP” settings to
the default
You can return the “SETUP” settings
(except for “PARENTAL CONTROL”
settings) to the default settings.
1
Hold down SHIFT, then press
SETUP.
2
Press
/
repeatedly to select
[SYSTEM SETUP], then press
.
3
Press
/
repeatedly to select
[RESET], then press
.
4
Press / repeatedly to select
[YES], then press
.
It takes a few seconds to complete. Do
not press
"/1
when resetting the
system.
When letters/numbers appear in the
display panel
When the self-diagnosis function is
activated to prevent the system from
malfunctioning, a 5-character service
number (e.g. C 13 50) with a combination
of a letter and 4 digits appears on the TV
screen or in the display panel. In this case,
check the following table.
Self-diagnosis Function
First 3
characters of
the service
number
Cause and corrective
action
C 13
This disc is dirty.
• Clean the disc with a
soft cloth (page 50).
C 31
The disc is not inserted
correctly.
• Restart the system, then
re-insert the disc
correctly.
E XX
(XX is a number)
To prevent a
malfunction, the system
has performed the self-
diagnosis function.
• Contact your nearest
Sony dealer or local
authorized Sony
service facility and
give the 5-character
service number.
Example: E 61 10