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General troubleshooting
Before calling a service technician, please check
this chapter for a possible solution to the problem
experienced.
Black box on-screen
•
The closed caption feature is set to one of the Text
modes (
T1
,
T2
,
T3
, or
T4
). Set the closed caption
feature to
Off
( page 36).
TV stops responding to controls
•
If the TV stops responding to the remote control
or TV control panel and you cannot turn off
the TV, please unplug the power cord for a few
seconds then plug it back in and try again.
Other problems
•
If your TV’s problem is not addressed in this
Troubleshooting section or the recommended
solution has not worked, use the Restore Factory
Defaults procedure ( page 27).
TV will not turn on
•
Make sure the power cord is plugged in, and then
press
Power
/
.
•
The remote control batteries may be dead.
Replace the batteries or try the control panel
buttons.
Picture problems
General picture problems
•
Check the antenna/cable connections ( Chapter
2).
•
Press on the remote control or TV and
select a valid video input source ( page 28).
If no device is connected to a particular input
on the TV, no picture will display when you
select that particular input source. For device
connection details, see Chapter 2.
•
Antenna reception may be poor. Use a highly
directional outdoor antenna (if applicable).
•
The station may have broadcast difficulties. Try
another channel.
•
Adjust the picture qualities ( page 35).
Chapter 8: Troubleshooting
Noisy picture
•
If you are watching an analog channel (off-
air broadcast or Cable TV), you can set the
CableClear
®
feature to reduce visible interference
in the TV picture ( page 51).
Video Input Selection problems
•
If the
Input Selection
window does not appear
when you press on the remote control or
TV, press a second time. This will cause a
change to the next video input source and display
the
Input Selection
window.
Cannot view external signals or channel
3 or 4
•
If you cannot view signals from external devices
connected to VIDEO, ColorStream
®
HDMI 1, HDMI 2,
HDMI 3 (only for G310U), PC or from channels 3 or 4,
make sure the Input Lock is set to Off ( page 41).
Poor color or no color
•
The station may have broadcast difficulties. Try
another channel.
•
Adjust the
Tint
and/or
Color
( page 35).
Poor composite picture
•
If the TV is connected to an external A/V device
(e.g., DVD player, video game system, set-top
box, etc.) try using a
ColorStream
or
HDMI
video
connection instead.
Picture and sound are out of sync
•
As with all products that contain a digital display,
in rare instances, when viewing certain content
(e.g.. television broadcasts, video games, DVDs),
you may notice that the sound and picture are
slightly out of sync. This phenomenon can be
caused by various factors including, without
limitation, video processing within the TV, video
processing in an attached gaming system, and
video processing or different compression rates
used by broadcasters in their programming. You
may want to try one or more of the following
suggestions, which may help to reduce the effect
of this phenomenon:
–
If the TV is connected to an A/V receiver that
has a programmable audio delay feature, use
this feature to help synchronize the sound to
the picture.
–
If you notice this phenomenon only on
certain TV channels, please contact your
local broadcast, cable, or satellite provider to
inform them of this issue.
Scrolling text problem (only for G310U)
•
When slow motion video is present the units will
treat any scrolling text as Film and may cause a
slight jitter of the scrolling text. Turning Off the
Film Stabilization
feature will correct this issue.(
page 51)