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Troubleshooting; Troubleshooting-Digital Broadcasting - Sharp Aquos LC-46D43U Operation Manual

Liquid crystal television
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• No power
• Unit cannot be operated.
• Remote control unit does not
• Picture is cut off/with sidebar
• Strange color, light color, or color
• Power is suddenly turned off.
• No picture
• No sound
• The TV sometimes makes a
cracking sound.

Troubleshooting-Digital broadcasting

The error message about reception of broadcast
The example of an error message
displayed on a screen
• Failed to receive broadcast.
• No broadcast now.
Cautions regarding use in high and low temperature environments
• When the unit is used in a low temperature space (e.g. room, offi ce), 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: f4°F to e140°F (f20°C to e60°C)
• Check if you pressed TV POWER on the remote control unit. (See page 15.) If the
indicator on the TV does not light up, press POWER on the TV.
• Is the AC cord disconnected? (See page 7.)
• Has the power been turned on? (See page 15.)
• External infl uences such as lightning, static electricity, may cause improper operation.
In this case, operate the unit after fi rst 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 8.)
• Are batteries worn out? (Replace with new batteries.)
• Are you using it under strong or fl uorescent lighting?
• Is a fl uorescent light illuminated near the remote control sensor?
• Is the image position correct? (See page 32.)
• Are screen mode adjustments such as picture size made correctly? (See pages 34
and 35.)
• Adjust the picture tone. (See pages 25 to 26.)
• Is the room too bright? The picture may look dark in a room that is too bright.
• Check the input signal setting. (See page 37.)
• Is the sleep timer set? (See page 33.)
• Check the power control settings. (See page 28.)
• The unit's internal temperature has increased. Remove any objects blocking vent or
• Is connection to other components correct? (See pages 13 and 14.)
• Is correct input signal source selected after connection? (See page 29.)
• Is the correct input selected? (See page 29.)
• Is picture adjustment correct? (See pages 25 to 26.)
• Is "On" selected in "Audio Only"? (See page 36.)
• Is a non-compatible signal being input? (See page 14.)
• Is the volume too low? (See page 18.)
• Is "Variable" selected in "Output Select"? (See page 36.)
• Have you pressed MUTE on the remote control unit? (See page 18.)
• 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
Error code
• Check the antenna cable. Check that the antenna is correctly
• Check the broadcast time in the program guide.
Possible Solution
Possible Solution


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This manual is also suitable for:

Lc 46d43u - 46" lcd tvAquos lc-42d43uAquos lc-52d43u

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