Panasonic 55 Professional Display for Entry-Level Digital Signage Operating In - Page 103

Symptoms, Check, LCD Display panel, There may be red spots, blue spots, green spots

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Symptoms There is no picture displayed or sound output from the [DIGITAL LINK] terminal. (LF80 series) Check Check whether the connection has been made properly between the video (output) equipment and twisted pair cable transmitter and between the twisted pair cable transmitter and this product. (see page 72) Check that [DIGITAL LINK mode] is not set to [Ethernet]. (see page 55) LCD Display panel Symptoms The screen darkens slightly when bright pictures with minimal movements are shown. It takes a while for the picture to appear. The edges of the images flicker. There may be red spots, blue spots, green spots and black spots on the screen. Image retention appears Check The screen will darken slightly when photos, still images of a computer or other pictures with minimal movements are shown for an extended period. This is done to reduce image retention on the screen and the shortening of the screen's service life: It is normal and not indicative of malfunctioning. The unit digitally processes the various signals in order to reproduce esthetically pleasing images. As such, it sometimes takes a few moments for the picture to appear when the power has been turned on, when the input has been switched. Due to the characteristics of the system used to drive the panel, the edges may appear to flicker in the fast-moving parts of the images: This is normal and not indicative of malfunctioning. This is a characteristic of liquid crystal panels and is not a problem. The liquid crystal panel is built with very high precision technology giving you fine picture details. Occasionally, a few non-active pixels may appear on the screen as fixed points of red, blue, green, or black. Please note this does not affect the performance of your LCD. Image retention may occur. If you display a still picture for an extended period, the image might remain on the screen. However, it will disappear when a general moving picture is displayed for a while. This is not considered as malfunction. This LCD Display uses special image processing. Hence a slight time lag may occur between image and audio, depending on the type of input signal. However, this is not a malfunction. English 103

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103
English
Symptoms
Check
There is no picture displayed or sound output from
the [DIGITAL LINK] terminal. (LF80 series)
Check whether the connection has been made properly
between the video (output) equipment and twisted pair cable
transmitter and between the twisted pair cable transmitter
and this product.
(see page 72)
Check that [DIGITAL LINK mode] is not set to [Ethernet].
(see page 55)
LCD Display panel
Symptoms
Check
The screen darkens slightly when bright pictures
with minimal movements are shown.
The screen will darken slightly when photos, still images of
a computer or other pictures with minimal movements are
shown for an extended period. This is done to reduce image
retention on the screen and the shortening of the screen’s
service life: It is normal and not indicative of malfunctioning.
It takes a while for the picture to appear.
The unit digitally processes the various signals in order
to reproduce esthetically pleasing images. As such, it
sometimes takes a few moments for the picture to appear
when the power has been turned on, when the input has
been switched.
The edges of the images flicker.
Due to the characteristics of the system used to drive the
panel, the edges may appear to flicker in the fast-moving
parts of the images: This is normal and not indicative of
malfunctioning.
There may be red spots, blue spots, green spots
and black spots on the screen.
This is a characteristic of liquid crystal panels and is
not a problem. The liquid crystal panel is built with very
high precision technology giving you fine picture details.
Occasionally, a few non-active pixels may appear on the
screen as fixed points of red, blue, green, or black. Please
note this does not affect the performance of your LCD.
Image retention appears
Image retention may occur. If you display a still picture for
an extended period, the image might remain on the screen.
However, it will disappear when a general moving picture is
displayed for a while. This is not considered as malfunction.
This LCD Display uses special image processing. Hence a slight time lag may occur between image and audio,
depending on the type of input signal. However, this is not a malfunction.