Yamaha DVD-C920 Owner's Manual page 34

Dvd audio/video changer
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If this unit fails to operate
normally,
check the following
points
to determine
whether
the fault can be corrected,
or if the fault
is not listed in the PROBLEM
column,
disconnect
the power code and contact
your authorized
YAMAHA
dealer or service
center.
PROBLEM
This unit fails to turn
on when the POWER
switch is pressed.
This unit does not work
normally.
Playback does not
start.
No picture.
Picture appears
incorrectly.
Play is delayed, or
starts at the wrong
place.
This unit does not
recognize discs ('No
disc' appears on the
display, or the display
shows the status when
no disc is loaded).
No sound.
POSSIBLE
CAUSE
WHATTO
DO
The power cord
is not connected
or the plug
Firmly
connect
the power cord.
is not completely
inserted.
This
unit is affected
by an external
shock
(lightning,
excessive
static
electricity,
incorrect
operation,
etc.)
The disc is damaged.
There
is moisture
on the laser pickup.
The disc has been loaded upside down.
The disc is dirty.
Incorrect video connections.
Input
selection
at your AV amplifier
or your
video
monitor
is not the one connected
to this
unit.
VIDEO
OFF is functioning.
(U.S.A.
and Canada
models)
If you play PAL system
DVD-Audio,
'This
disc is PAL system.
The output
is sound
only'
may appear
on the monitor.
Picture
is not
available
because
the disc's
video
signal
system
is different.
Incorrect
'TV aspect'
setting.
A VCR is connected between this unit and
the video monitor.
(U.S.A.
and Canada
models)
PROGRESSIVE
is turned
on even though
the
connected
monitor
cannot
receive
the
progressive
signals.
(U.S.A.
and Canada
models)
Due to the editing
method
or material
used on
a DVD,
ghosting
may occur
with progressive
output.
The disc may be scratched
or damaged.
The disc(s)
is not placed
properly.
Refer to
Page
Turn the power off and disconnect the power
cord. After about 30 seconds have passed,
connect the power and operate the unit again.
Check the disc carefully; replace it if
necessary.
Wait 1 to 2 hours after switching the unit on
before trying to play a disc.
Reload the disc with the label side facing up.
Clean the disc.
3
Connect this unit and other equipment
9
properly.
Set the input to the right position.
Press VIDEO OFF to cancel the feature.
15
Select the right position. However, it may be
26
difficult to adjust many DVD-Videos'
widescreen format to fit perfectly in your 4:3
video monitor.
Connect this unit's video outputs directly to
9
your video monitor or to your AV amplifier
and then to a video monitor.
Turn off the PROGRESSIVE
feature.
14
Turn off the PROGRESSIVE
feature.
Place
the disc(s)
correctly
along
the guide(s).
14
Incorrect cable connections.
Connect the cables properly. If the problem
8
persists, the cables may be defective.
Incorrect amplifier operation.
Set the amplifier controls to the correct input
--
selection.
30

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