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General troubleshooting
Before calling a service technician, please check this
chapter for a possible cause of the problem and some
solutions you can try.
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 40).
TV stops responding to controls
• If the TV stops responding to the controls on the remote
control or TV control panel and you cannot turn off the
TV, press and hold the POWER button on the TV control
panel for 5 or more seconds to reset the TV.
Other problems
• If your TV's problem is not addressed in this
Troubleshooting section or the recommended solution
has not worked, use the Reset Factory Defaults
procedure (- page 31).
TV will not turn on
• Make sure the power cord is plugged in, and then press
p.
• 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 the TV and select a
valid video input source (- page 32). 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 39).
• If you are using a VCR, make sure L on the remote
control is set correctly (- page 23).
• Do not connect both a standard video cable and an S-
video cable to the VIDEO 1 input at the same time (-
page 13).
Video Input Selection problems
• If the Input Selection window does not appear when you
press + on the remote control or the TV control panel,
press + a second time, which will 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 1, VIDEO 2, ColorStream HD1,
ColorStream HD2, HDMI 1, HDMI 2, HDMI 3, PC or
Chapter 8: Troubleshooting
from channels 3 or 4, make sure the Input Lock is set to
Off (- page 46).
Poor color or no color
• The station may have broadcast difficulties. Try another
channel.
• Adjust the Tint and/or Color (- page 39).
Poor composite or S-video 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.
• If you connect an S-video cable, be sure to disconnect
the standard (composite) video cable. Do not connect
both types of video cable at the same time.
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.
Sound problems
• Check the antenna/cable connections (- Chapter 2).
• The station may have broadcast difficulties. Try another
channel.
• The sound may be muted. Press VOLUME.
• If you hear no sound, try setting the MTS feature to
Stereo mode (- page 42).
• If you are not receiving a second audio program from a
known SAP source, make sure the MTS feature is set to
SAP mode (- page 42).
• If you hear audio that seems "incorrect" for the program
you are watching (such as music or a foreign language),
the SAP mode may be on. Set the MTS feature to Stereo
mode (- page 42).
• If you connect a PC using either the PC IN terminal or an
HDMI terminal, make sure that the PC Audio setting is
properly set (- page 47).
Remote control problems
• Make sure the remote control is set to the correct device
mode (- page 23).
• Remove all obstructions between the remote control
and the TV.
• The remote control batteries may be dead. Replace the
batteries (- page 19).
(continued)
59
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