Panasonic TH-55LFE8U Professional Display for Simple Entry-Level Digital Signage - Page 81

Page 81 highlights

Symptoms Parts of the unit become hot. Check Even when the temperature of parts of the front, top and rear panels has risen, these temperature rises will not pose any problems in terms of performance or quality. Power automatically turns off unexpectedly. Check the settings of [No signal power off], [HDMI1 power management], [HDMI2 power management], [DVI-D power management], [PC power management] and [No activity power off]. Any of them may be set to [On (Enable)]. (see page 51, 52) There is no picture displayed or sound output sometimes. When HDMI or DVI signals are input to the Display using a selector or distributor, sound or images may not be output in the normal fashion depending on the selector or distributor used. The symptoms may be improved by turning the power off and on again, or by replacing the selector or distributor. The RS-232C is uncontrollable Check whether the connection has been made properly. (see page 19) The LAN is uncontrollable Check whether the connection has been made properly. (see page 64) When controlling with the Web Browser Control or the command control, check whether [Network control] is set to [On] (see page 55). When connecting to a device of AMX, set [AMX D.D.] according to the device to use.(see page 56) Check whether [LAN setup] is set correctly. Power indicator is blinking in red. There is possibility of malfunction. Please contact an Authorized Service Centre. 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. 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. English 81

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81
English
Symptoms
Check
Parts of the unit become hot.
Even when the temperature of parts of the front, top and
rear panels has risen, these temperature rises will not pose
any problems in terms of performance or quality.
Power automatically turns off unexpectedly.
Check the settings of [No signal power off], [HDMI1 power
management], [HDMI2 power management], [DVI-D power
management], [PC power management] and [No activity
power off]. Any of them may be set to [On (Enable)]. (see
page 51, 52)
There is no picture displayed or sound output
sometimes.
When HDMI or DVI signals are input to the Display using a
selector or distributor, sound or images may not be output in
the normal fashion depending on the selector or distributor
used.
The symptoms may be improved by turning the power off
and on again, or by replacing the selector or distributor.
The RS-232C is uncontrollable
Check whether the connection has been made properly.
(see page 19)
The LAN is uncontrollable
Check whether the connection has been made properly.
(see page 64)
When controlling with the Web Browser Control or the
command control, check whether [Network control] is set to
[On] (see page 55).
When connecting to a device of AMX, set [AMX D.D.]
according to the device to use.(see page 56)
Check whether [LAN setup] is set correctly.
Power indicator is blinking in red.
There is possibility of malfunction. Please contact an
Authorized Service Centre.
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.
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.