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Appendix
Troubleshooting
Troubleshooting-PC mode
Problem Possible Solution
• No power • Check if you pressed POWER on the TV/DVD, or on the remote control unit.
(See page 20.)
• Is the AC cord disconnected? (See page 9.)
• Has the power been turned on? (See page 20.)
• Unit cannot be operated. • External influences such as lightning, static electricity, may cause improper
operation. In this case, operate the unit after first turning off the power of the TV/
DVD or unplugging the AC cord and replugging it in after 1 or 2 minutes.
• Remote control unit does not
operate.
• Are batteries inserted with polarity (
+, –) aligned? (See page 10.)
• Are batteries worn out? (Replace with new batteries.)
• Are you using it under strong or fluorescent lighting?
• Is a fluorescent light illuminated near the remote control sensor?
• Picture is cut off/with sidebar
screen.
• Are screen mode adjustments such as view mode choose made correctly? (See
page 22.)
• Strange color, light color, or color
misalignment
• Adjust the picture tone. (See page 28.)
• Is the room too bright? The picture may look dark in a room that is too bright.
• Power is suddenly turned off. • Is the sleep timer set? (See page 13.)
• Check the Auto Shut Off settings. (See page 28.)
• The unit’s internal temperature has increased.
Remove any objects blocking vent or clean.
• No picture • Is connection to other components correct? (See page 15.)
• Is correct input signal source selected after connection? (See page 15.)
• Is the correct input selected? (See page 15.)
• Is picture adjustment correct? (See page 28.)
• No sound • Is the volume too low? (See page 13.)
• Have you pressed MUTE on the remote control unit? (See page 13.)
• Is connection to other components correct? (See pages 15-19.)
• Is “Off ” selected in “Speakers”? (See page 28.)
• Check the audio output of the connected external equipment. Is the volume too low
or mufed?
• When external equiprnent is connected via an HDMI cable, you may need to
configure the audio to be output through the HDMI cable.
• The TV sometimes makes a
cracking sound.
• This is not a malfunction. This happens when the cabinet slightly expands and
contracts according to change in temperature. This does not affect the TV’s
performance.
Problem Possible Solution
• There is no image. • Make sure the RGB cable is properly connected. (See page 19.)
• Make sure the output signal of the PC and the input signal setting of the LCD TV set
are matched. (See page 19.)
• Some software prohibit video playback on an external display when playing back a
video with a notebook PC. This is not attributable to a problem with the LCD TV set.
• There is no sound. • Make sure the PC audio cable is properly connected. (See page 19.)
• Check if the mute function activates, or if the volume is set to minimum. (See page
13.)
• The text is blurred. • Adjust “Clock” and “Phase” using the PC Setting menu. (See page 28.)
• The image is not displayed in the
center of the screen.
• Adjust “Hor Position” and “Ver Position” using the PC Setting menu. (See page 28.)
Troubleshooting-Error Message
The example of an error
message displayed on a screen
Possible Solution
• Digital channel signal strength is
low
• Check the antenna cable. Check that the antenna is correctly setup.
• Digital channel is scrambled • It is subscription channel. Contact the service provider.
• Audio only • The channel has audio contents only.
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