Panasonic DVD-S27 Operating Instructions Manual page 21

Before requesting service
SOUND AND PICTURE PROBLEMS
There is no audio output and the sound is distorted:
Check the connections.
Deactivate the Advanced Surround effect.
The loudspeakers emit loud noise:
Go to the Setup screen and check the Audio menu settings
of [Dolby Digital], [DTS Digital Surround] and [MPEG].
The picture is disturbed when searching:
This is a technical issue and not indicative of a malfunction.
No picture appears on the screen:
Check the connections.
Verify that the correct video input of the TV set has been selected.
The picture is cut off at its left or right edge:
Check the Video menu's [TV Aspect] setting on the Setup screen.
Check that the player is directly plugged into the TV set's
[AV Output] and not to a video cassette recorder between the two units.
Check the Zoom setting.
Message [Disc is incompatible with this player] is displayed:
The player cannot play discs of the current format.
The disc contains no recorded material.
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No messages are output to the screen:
Go to the Setup menu and change Display menu setting
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[On-Screen Messages] to [On].
The OSD displays are cut off along their top edge:
Check the [TV Aspect] setting.
Error code [U ] or [H
U11: Disc is dirty. Wipe it clean.
U15: You inserted a DVD-R that has not been finalized.
H : This is indicative of a malfunction. The digits following "H" depend
on what state your player is in.
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Press to put the player into stand-by mode, then briefly unplug and re-
attach the AC mains cable.
Contact the aftersales service if this does not remove the problem. Please
state the error code displayed by the set.
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DISPLAYED PROBLEMS
] appears:
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