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Problem Actions
Picture
Strange picture when
using an external
device
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).
Sound
Poor sound
z Adjust “Bass” and “Treble”. (P. 21)
z If receiving a poor signal in “Stereo/t⅐u”,
switch to “Mono”. (P. 21)
z Adjust the channel reception using “Edit/
Manual”. (P. 10)
No sound from the
audio component
z Audio signals received from HDMI-1, HDMI-2
and HDMI-3 cannot be sent to the OUTPUT
terminal.
Functions
Some functions do
not work
z It is not a malfunction. Depending on the
situation, some function items will be
displayed in black colour and will not work.
(P. 19)
HDMI
Wrong screen size
z Read the user manual of the connected
device and perform the following:
g Check if the output setting of the device is
correct.
g Change the signal format of the device to
other format.
No picture, no sound
z Use the cable marked with HDMI logo.
Picture noise or no
picture
z Set “HDMI Mode Setting” to “1” or “2”. (P. 24)
Problem Actions
HDMI
No sound
z Check if the device is compliant with HDMI.
z Set “HDMI-1 Audio Setting” to “Digital” or
“Auto” for HDMI devices, or “Analogue” or
“Auto” for DVI devices.
(Not available for HDMI-2 and HDMI-3.)
(P. 24)
Green and distorted
screen
z Wait a little for the signal to stabilize when
switching the signal format for an HDMI
device.
Troubleshooting
LT-46SZ58_EN.book Page 27 Thursday, August 14, 2008 3:05 PM