Panasonic DVD-LV70 Operating Instructions Manual page 43

Problem
No operation with remote
control.
There are no vocals while
playing Karaoke DVD.
A menu is shown after
playing each song on a
Karaoke DVD.
The audio soundtrack or
subtitle language cannot
be changed.
Subtitles not shown.
Angles cannot be
changed.
You have forgotten your
ratings password.
You want to reset the unit
to the factory settings.
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There is a lot of noise.
No sound from the unit's
speakers.
Solution
Check the battery is inserted correctly.
Replace the battery if it is drained.
Aim the remote control at the remote control signal sensor.
When you have connected this unit to other equipment with
an optical fiber cable, go to "6 Digital Audio Output" in the
initial settings and change the setting for "2 Dolby Digital" to
"PCM".
Most Karaoke DVDs are designed to do this. Some discs
have an item in the menu that allows you to play all the
songs.
Languages can only be selected if they are recorded on the
DVD.
Some DVDs require you to change the languages through
menus.
Subtitles appear only if they are recorded on the DVD.
Turn the subtitles on.
Subtitles may fail to appear around the A and B points in
A-B repeat, and around the points you marked to play
again.
Angles can only be selected if they are recorded on the
DVD.
There may be parts of multi-angle DVDs where different
angles are not recorded.
Do the following to reset the unit to its original factory
settings. While the unit is stopped, press and hold [I I],
[ _1_1] (backward), and [1_, ON] on the main unit for
about 3 seconds until the message "Initialized"
disappears from the unit's monitor, then turn the unit off.
Separate the unit from mobile phones if they are being used
close to each other.
The speakers are off if the LCD is closed or headphones are
connected.
Turn up the volume.
Check all connections and settings.
Check input mode of the other equipment.
Ensure the settings are appropriate to the speakers you
have connected.
Turn V.S.S. off if you have connected this unit to other
equipment with stereo connection cables and are using 3 or
more speakers.
No sound from other
speakers.
Some parts of the
soundtrack are missing.
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RQT5897