72
GB
MHC-V90DW.GB.4-694-841-
35
(1)
No TV sound is heard from the
system.
•
•
Check that the speaker output
setting on the TV is set to use
external speakers.
There is severe hum or noise.
•
•
Move the system away from
sources of noise.
•
•
Move the system away from the
neon signs or fluorescent light.
•
•
Connect the system to a different
wall outlet.
•
•
Install a noise filter (not supplied)
to the AC power cord (mains lead).
•
•
Turn off surrounding electrical
equipment.
•
•
The noise generated by the
cooling fans of the system may be
heard when the system is turned
on. This is not a malfunction.
The remote control does not
function.
•
•
Remove the obstacles between
the remote control and the unit.
•
•
Move the remote control closer to
the unit.
•
•
Point the remote control at the
unit’s sensor.
•
•
Replace the batteries (R03/size
AAA).
•
•
Move the unit away from the
fluorescent light.
There is acoustic feedback.
•
•
Reduce the volume.
•
•
Move the microphone or Guitar
away from the system or change
the direction of the microphone.
The color irregularity on a TV
screen persists.
•
•
Turn off the TV at once, then turn
it on after 15 to 30 minutes. If the
color irregularity still persists,
place the system farther away
from the TV.
“CHILD LOCK” appears when you
touch any key on the unit.
•
•
Set the Child Lock function to off
(page 67).
A clicking sound is heard when
turning the power on.
•
•
This is the operating sound and it
occurs when the power is turned
on or off, for example. This is not a
malfunction.
Disc player
The disc tray does not open and
“LOCKED” appears on the display.
•
•
Consult your nearest Sony dealer
or local authorized Sony service
facility.
The disc tray does not close.
•
•
Load the disc correctly.
The disc does not eject.
•
•
You cannot eject the disc during
Synchronized Transfer or REC1
Transfer. Press
to cancel the
transfer, then touch
on the unit
to eject the disc.
•
•
Consult your nearest Sony dealer.
Playback does not start.
•
•
Wipe the disc clean (page 82).
•
•
Reload the disc.
•
•
Load the disc that this system can
play back (page 9).
•
•
Remove the disc and wipe away
the moisture on the disc, then
leave the system turned on for
a few hours until the moisture
evaporates.
•
•
The region code on the DVD VIDEO
does not match the system.
The sound skips.
•
•
Wipe the disc clean (page 82).
•
•
Reload the disc.
•
•
Move the unit to a place with no
vibration.
