Panasonic DVDLS91 DVDLS91 User Guide - Page 26

Picture incorrect, Sound incorrect, Piercing noise comes

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Troubleshooting guide Troubleshooting guide Picture incorrect No picture on the LCD. ≥ Select a monitor mode other than "OFF" (No picture). (11, Selecting how to show 4:3 aspect pictures on the LCD). The LCD is dark. ≥ Adjust the brightness. (11) LCD pixels turn black or ≥ The LCD is constructed with precision technology so 99.99 % of the radiate different colors. 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. Picture doesn't appear on ≥ Check connections. (22) the television (or the size ≥ Check that the television is on. of the picture seems ≥ Check that the input mode on the television is correct. wrong). ≥ Check the settings in "Video-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 television, and is not connected through a video cassette recorder. (22) Menu not displayed ≥ Restore the zoom ratio to a1.00. (19) correctly. ≥ Set "Subtitle Position" in Display Menu to "0". (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 incorrect Sound distorted. Piercing noise comes from the speakers. Effects do not work. No sound from the unit's speaker. No sound from other speakers. No sound when you change the play speed. ≥ Select "Off" in "Advanced Surround". (13) ≥ Move unit away from mobile phones. ≥ Noise may occur when playing WMA files. ≥ If you have connected a digital amplifier which does not include decoder, be sure to select "PCM" in "Dolby Digital" or "DTS Digital Surround" in "Audio" tab. (21) ≥ None of the audio effects work when the unit is connected through the digital optical cable and is outputting bitstream signals. (22) ≥ Some audio effects do 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. RQT8245 26 26

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26
RQT8245
Troubleshooting guide
No picture on the LCD.
≥
Select a monitor mode other than “OFF” (No picture).
(11, Selecting
how to show 4:3 aspect pictures on the LCD)
.
The LCD is dark.
≥
Adjust the brightness.
(11)
LCD pixels turn black or
radiate different colors.
≥
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.
Picture doesn’t appear on
the television (or the size
of the picture seems
wrong).
≥
Check connections.
(22)
≥
Check that the television is on.
≥
Check that the input mode on the television is correct.
≥
Check the settings in “Video—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 television, and is not
connected through a video cassette recorder.
(22)
Menu not displayed
correctly.
≥
Restore the zoom ratio to
a
1.00.
(19)
≥
Set “Subtitle Position” in Display Menu to “0”.
(19)
Auto zoom function does
not work well.
≥
Use the other preset aspect ratios or manual adjustment.
(19)
≥
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
from the speakers.
≥
If you have connected a digital amplifier which does not include
decoder, be sure to select “PCM” in “Dolby Digital” or “DTS Digital
Surround” in “Audio” tab.
(21)
Effects do not work.
≥
None of the audio effects work when the unit is connected through
the digital optical cable and is outputting bitstream signals.
(22)
≥
Some audio effects do 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.
No sound from the unit’s
speaker.
≥
The speaker is off if the LCD is closed or headphones are connected.
≥
Turn up the volume.
(10)
No sound from other
speakers.
≥
Check all connections and settings.
(22)
No sound when you
change the play speed.
≥
There may be a pause in sound.
Picture incorrect
Sound incorrect
Troubleshooting guide
26