Sharp LC 52SB55U, Operation Manual

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27
Troubleshooting
Possible Solution
• Is the volume too low? (See page 13.)
• Is “Variable” selected in “Output Select”? (See page 24.)
• Have you pressed
MUTE on the remote control unit? (See page 13.)
Cautions regarding use in high and low temperature environments
Appendix
Problem
• 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
• Check if you pressed POWER on the remote control unit. (See page 12.) If the
indicator on the TV does not light up, press POWER on the TV.
• Is the AC cord disconnected? (See page 8.)
• Has the power been turned on? (See page 12.)
• External infl uences such as lightning, static electricity, may cause improper operation.
In this case, operate the unit after fi rst turning off the power of the TV or unplugging
the AC cord and replugging it in after 1 or 2 minutes.
• Are batteries inserted with polarity (
e
,
f
) aligned? (See page 9.)
• 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 21.)
• Are screen mode adjustments such as picture size made correctly? (See page 16.)
• Adjust the picture tone. (See pages 18 and 19.)
• Is the room too bright? The picture may look dark in a room that is too bright.
• Check the input signal setting. (See page 20.)
• Is the sleep timer set? (See page 13.)
• Check the power control settings. (See page 19.)
• The unit's internal temperature has increased. Remove any objects blocking vent or
clean.
• Is connection to other components correct? (See page 11.)
• Is correct input signal source selected after connection? (See page 24.)
• Is the correct input selected? (See page 24.)
• Is picture adjustment correct? (See pages 18 and 19.)
• Is “On” selected in “Audio Only”? (See page 24.)
• Is a non-compatible signal being input? (See page 30.)
• 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:
f
4°F to
e
140°F (
f
20°C to
e
60°C)
Troubleshooting-Digital Broadcasting
The error message about reception of broadcast
• Failed to receive broadcast.
E203 • Check the broadcast time in the program guide.
The example of an error message
displayed on a screen
• No broadcast now.
Error code
E202
Possible Solution
• Check the antenna cable. Check that the antenna is correctly
setup.
• 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.
• The TV sometimes makes a
cracking sound.
LC-52SB55U.indb 27 LC-52SB55U.indb 27 2008/05/23 0:13:28 2008/05/23 0:13:28