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Appendix
Troubleshooting
Problem
• No power.
• Unit cannot be operated.
• Remote control unit does not
operate.
• Picture is cut off.
• Strange colour, light colour, or
dark, or colour misalignment.
• Power is suddenly turned off.
• No picture.
• No sound.
Troubleshooting (DTV)
Problem
• No picture or no sound.
• Block noise appears on the
screen.
• DTV broadcasts cannot be
received.
• A specific channel cannot be
received.
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 LCD panel to malfunction.
Storage temperature: –20°C to +60°C.
48
• Check if you pressed POWER on the remote control unit. (See page 13.)
If the indicator on the TV lights up red, press POWER.
• Is the AC cord disconnected? (See page 6.)
• Has the power been turned on? (See page 13.)
• External influences such as lightning, static electricity, etc., may cause improper
operation. In this case, operate the unit after first turning the power off the TV or
unplugging the AC cord and re-plugging it in after 1 or 2 minutes.
• Are batteries inserted with polarity (e, f) aligned? (See page 5.)
• Are batteries worn out? (Replace with new batteries.)
• Are you using it under strong or fluorescent lighting?
• Is a fluorescent light illuminated to remote control sensor?
• Is the image position correct? (See page 37.)
• Are screen mode adjustments such as picture size made correctly? (See pages
38 and 39.)
• Adjust the picture tone. (See pages 25 to 27 and 40.)
• Is the room too bright? The picture may look dark in a room that is too bright.
• Check the colour system setting. (See pages 21 and 41.)
• Check the input signal setting. (See page 41.)
• Check the HDMI Setup setting. (See page 40.)
• The unit's internal temperature has increased.
Remove any objects blocking vent or clean.
• Check the power control setting. (See page 28.)
• Is sleep timer set? (See page 15.)
• Is connection to other equipment correct? (See pages 45 to 47.)
• Has input signal setup been done correctly after connection? (See page 41.)
• Is the correct input selected? (See page 41.)
• Is picture adjustment correct? (See pages 25 to 27.)
• Is the antenna connected properly? (See page 8.)
• Is "On" selected in "Audio Only"? (See page 40.)
• Is the volume too low? (See page 15.)
• Make sure that headphones are not connected. (See page 10.)
• Is the correct input source selected? (See pages 41 and 45.)
• Is the antenna pointing in the correct direction?
• Check the Signal Level and Quality. (See page 32.)
• Are physical objects blocking the antenna?
• Is the antenna or antenna cable compatible with DTV broadcasts?
• Is the DTV antenna set up properly?
• Is the antenna cable connected properly? (See page 8.)
• Are the channel settings correct? (See pages 32 and 33.)
• Check the Signal Level and Quality. (See page 32.)
Possible Solution
Possible Solution
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