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Appendix
• No power
• Unit cannot be operated.
• Remote control unit does not
operate.
• Picture is cut off/with sidebar
screen.
• Strange color, light color, or color
misalignment
• Power is suddenly turned off.
• No picture
• No sound
• Upgrade is displayed continuously.
Problem Possible Solution
• Check if you pressed TV POWER on the remote control unit. (See page 17.)
If the indicator on the TV is off, press POWER on the TV.
• Is the AC cord disconnected? (See page 6.)
• External influences such as lightning, static electricity, may cause improper
operation. In this case, operate the unit after first turning on the power of the TV
or unplugging the AC cord and replugging it in after 1 or 2 minutes.
• Is the FUNCTION set correctly? Set it to the TV setting position.
• Are batteries inserted with polarity (e, f) aligned? (See page 7.)
• 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?
• Is the image position correct? (See page 58.)
• Are screen mode adjustments such as picture size made correctly? (See pages
62 and 63)
• Adjust the picture tone. (See pages 40 to 41.)
• Is the room too bright? The picture may look dark in a room that is too bright.
• Check the input signal setting. (See page 60.)
• Is the sleep timer set? (See page 65.)
• Check the power control settings. (See page 44.)
• The unit’s internal temperature has increased.
Remove any objects blocking vent or clean the vent.
• Is connection to other components correct? (See pages 47 to 52.)
• Is correct input signal source selected after connection? (See page 60.)
• Is the correct input selected? (See page 60.)
• Is a non-compatible signal being input? (See page 83.)
• Is picture adjustment correct? (See pages 40 to 42.)
• Is “On” selected in “Audio Only”? (See page 64.)
• If, after inserting the CableCARD security module, you are unable to receive
broadcast service, remove the CableCARD security module and reinsert.
• Is the volume too low? (See page 33.)
• Is “Variable” selected in “Output Select”? (See page 65.)
• Verify your antenna cable is connected property.
• Reinsert the CableCARD security module. If the trouble still exists after reinserting
the CableCARD security module and verifying the antenna cable, please contact
your Cable Provider Company.
Troubleshooting
Cautions regarding use in high and low temperature environments
• When the unit is used in a low temperature space (e.g. room, office), the picture may leave trails or appear slightly
delayed. This is not a malfunction, and the unit will recover when the temperature returns to normal.
• Do not leave the unit in a hot or cold location. Also, do not leave the unit in a location exposed to direct sunlight or near
a heater, as this may cause the cabinet to deform and the Liquid Crystal panel to malfunction.
Storage temperature: –4°F to +140°F (–20°C to +60°C)