Panasonic DVD-LS91 Manuel D'utilisation page 26

Troubleshooting guide
No picture on the LCD.
The LCD is dark.
LCD pixels turn black or
radiate different colors.
Picture doesn!t appear on
the television (or the size
of the picture seems
wrong).
Menu not displayed
correctly,
• Select a monitor mode other than "OFF" (No picture). (11, Selecting
hew to show 4:3 aspect pictures on the LCD).
• Adjust the brightness, (11)
• The LCD is constructed with precision technology so 99.99 % of the
pixels are active, but of the remaining of 0.01%, there are pixels that
may be black or emit light constantly, This phenomenon is not a
malfunction.
• Check connections, (22)
• Check that the televisi0n is on:
• Check that the input mode on the television is correct:
• Check the settings in !'Vide0_TV Aspect". (20)
• Turn off the zooming feature on your television if you are using Zoom,
(19)
• Ensure that the unit is connected directly to the televisioe, and is not
connected through a video cassette recorder, (22)
• Restore the zoom ratio to × 1.OO. (19)
• Set "Subtitle Position" in Display Menu to "O". (19)
Auto zoom function does • Use the other preset aspect ratios or manual adjustment, (19)
not work well, • Zoom function may not work well, especially in dark scenes and may
not work depending on the type of disc,
Sound distorted. • Select "Off" in "Advanced Surround", (13)
• Move unit away from mobile phones,
• Noise may occur when playing WMA files.
Piercing noise comes • !f you have connected a digital amplifier which does not include
from the speakers, decoder, be sure to select !'PCM" in "Do!by gjgita!'! 9r !!DTS D!gi!a!
Surround!' in "Audio" tab. (21)
Effects do not work, • None of the audio effects work when the unit is connected through
No sound from the unit's
speaker.
No sound from other
speakers.
No sound when you
change the play speed,
the digital optical cable and is eutputting bitstream signals. (22)
• Some audio effects de not work or have less effect with some discs.
• H.Bass, Advanced Surround, Multi Re-master and Sound
Enhancement do not work if you have changed the play speed.
• The speaker is off if the LCD is closed or headphones are connected.
• Turn up the Volume_ (10)
• Check all connections and settings. (22)
• There may be a pause in sound.