32
LCD
Problem Actions
Basics
Remote control stops
working
z Unplug TV, several minutes later plug it in
again.
Screen
Aspect ratio changes
unintentionally
z Press “ ” to return to your settings. (P. 22)
Black or white dots
appear on the screen
z LCD panels use fine dots (“pixels”) to display
images.
While more than 99.99% of these pixels
function properly, a very small number of
pixels may not light, or may light all the time.
Please understand that this is not a
malfunction.
Picture
Poor picture quality
z Change the “Picture Mode” setting. (P. 26)
z Unnatural colour >>>
Adjust “Colour” and “Backlight”. (P. 26)
Check your “Colour System”. (P. 27)
z Noise >>> Set to the following functions.
Picture Mode: Standard (P. 26)
Digital VNR: On (P. 27)
DigiPure: Off (P. 27)
z Dull picture >>> Set to the following
functions.
Picture Mode: Bright (P. 26)
Digital VNR: Off (P. 27)
DigiPure: On (P. 27)
Strange picture when
using an external
device
z If you connected S-Video output device,
check the “S-In” setting. (P. 31)
z If the top of the image is distorted, check the
video signal quality itself.
z If movement appears unnatural when
receiving a signal from a DVD player etc.,
with 576p (625p), change the output setting
of the external device to 576i (625i).
Troubleshooting
䡵 Analogue channels
Severe noise or snow
z Is the TV
connected
correctly to the
aerial?
z Change the
direction of the
aerial.
z Is the aerial or its cable
damaged?
g Consult your retailer
z Is the “Attenuator” set to “On”?
g “Attenuator” (P. 30)
(DR9 only)
Patterns, stripes or noise
z Is the aerial
receiving
interference
from high-
voltage power
lines or wireless
transmitters?
g Consult your retailer
z Are connected devices too close
to the TV?
g Place a minimum distance
between the aerial and the
cause of interference until no
interference
Ghosting
(Doubling of images)
z Are you
receiving
interference
from signals
reflected off
mountains or
buildings?
g Adjust the direction of your
aerial, or change to a
good-quality directional aerial
For problems
concerning digital
channels (DR9 only)
g
WATCHING
DIGITAL
CHANNELS
P. 16 - 17
I can’t turn it on!
z Is the power cord
connected to the AC
outlet correctly?
The remote
control
doesn’t work!
z Are the batteries
flat?
z Are you more than 7
meters away from the
TV?
z Is the “MODE (TV, STB, DVD,
AUDIO)” set to “TV”?
z When viewing teletext, the TV
menu bar does not appear.
z Depending on the stability of the
signal, there may be a time lag
when changing channels.
LT-42DR9BU.book Page 32 Tuesday, February 19, 2008 11:46 AM
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