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Helpful Information
Picture but no sound • Confirm that the sound is not muted or that the volume is turned down.
• When using a video or PC input source, check that the audio terminals are connected.
Sound but no picture • Check if Picture Off is selected from the TOOLS Menu.
With this option selected, the screen is deactivated; only audio is output. To restore the
screen display, press any button other than
VOL +/–
or
MUTING.
Sound is wrong (one side
only or reversed between
left and right)
• Check if the speaker cable connections have been reversed between the left and right.
• Confirm that speaker cables are connected and seated properly.
• Check the sound balance and adjust if necessary.
Brightness and color
tone on the sides differ
from the center
• If images in 4:3 mode or letterbox images are displayed for long periods or for shorter
periods over several days, an after-image may remain due to burning.
Watch images in Full screen as much as possible to avoid this issue.
• Change the Brightness Sync. setting to Auto.
This function adjusts the brightness of the gray side masks for the brightness of the main
image.
• Use the Screen Protection function (see “3.6.2 Extend Your Panel Life”).
After-image lag • If a bright or still image was on screen for a long period before switching to a darker
image the original image may appear as an after-image or ghost. Try playing another
bright image, switching the picture quickly many times, or show a very active scene.
• Use the Screen Protection function (see “3.6.2 Extend Your Panel Life”).
• Display the Video Pattern screen to help reduce after-image lag.
HDMI Control
Issue Possible Solutions
HDMI Controls do not
function
• Check the connections between the panel and the HDMI equipment.
• Confirm that the settings for the panel are correct.
• Confirm that the equipment is HDMI compliant.
• Confirm that settings for the equipment are correct.
For details, refer to the operating instructions that came with the equipment.
Error message:
“The
device cannot be
operated. Please check
connection”
• Check the connections between the panel and the HDMI equipment.
• Confirm that settings for the equipment are correct.
For details, refer to the operating instructions that came with the equipment.
No picture and sound • Check the connections between the panel and the HDMI equipment.
• Confirm that settings for the equipment are correct.
For details, refer to the operating instructions that came with the equipment.
No picture • Check the connections between the panel and the HDMI equipment.
• Confirm that settings for the equipment are correct.
For details, refer to the operating instructions that came with the equipment.
No sound • Check the connections between the panel and the HDMI equipment.
• Confirm that settings for the equipment are correct.
For details, refer to the operating instructions that came with the equipment.
• Check that the AV system is connected to an HDMI terminal and any recorder/player is
connected to another HDMI terminal.
Picture/Sound
Issue Possible Solutions
PRO151FD.book Page 126 Wednesday, April 2, 2008 10:19 AM