Sharp LC-46SE94U Service Manual page 12

LC-46SE94U/LC-46SE941U
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.
Possible Solution
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 influences such as lightning, static electricity, may cause improper operation.
In this case, operate the unit after first 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 (
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?
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.
Check the input signal setting.
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
Check the antenna cable. Check that the antenna is correctly
E202
setup.
E203 Check the broadcast time in the program guide.
2 – 4
, ) aligned?
Possible Solution