Troubleshooting; Troubleshooting-Digital Broadcasting - Sharp Aquos LC-40LE700UN Operation Manual

Appendix

Troubleshooting

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
• The TV sometimes makes a
cracking sound.
• The original home page cannot
be displayed.
• Some Internet functions used on
a PC are not available from the
TV.

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.
54
• Check if you pressed TV POWER on the remote control unit.
If the indicator on the TV does not light up, press POWER on the TV.
• Is the AC cord disconnected?
• Has the power been turned on?
• 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.
• Is the FUNCTION set correctly? Set it to the TV setting position.
Are batteries inserted with polarity ( e , f ) aligned?
•
• 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?
• Are screen mode adjustments such as picture size made correctly?
• Adjust the picture tone.
• Is the room too bright? The picture may look dark in a room that is too bright.
• Is the sleep timer set?
• Check the power control settings.
• The unit's internal temperature has increased. Remove any objects blocking vent or
clean.
• Is connection to other components correct?
• Is correct input signal source selected after connection?
• Is the correct input selected?
• Is picture adjustment correct?
• Is "On" selected in "Audio Only"?
• Is a non-compatible signal being input?
• Is the volume too low?
• Is "Variable" selected in "Output Select"?
• Have you pressed MUTE on the remote control unit?
• 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.
• Is the ETHERNET cable connected correctly?
• Check the settings of "Communication Setup" and "Interactive Service".
• The TV has only limited functions compared with regular PC browsers.
Error code
E202 • Check the antenna cable. Check that the antenna is correctly
setup.
E203 • Check the broadcast time in the program guide.
Possible Solution
Page 7
Page 14
Page 25
Pages 21 and 22
Page 15
Page 23
Pages 12, 13, 38 and 42
Page 28
Pages 21 and 22
Page 28
Page 44
Page 15
Page 28
Page 46
Possible Solution
Page 14
Page 8
Pages 18 and 43
Page 28
Page 15
Page 47
Page 48