Troubleshooting - Sharp Aquos 40LE653U Operation Manual

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Troubleshooting

Problem
No power Check if you pressed POWER on the remote control unit.
Is the AC cord disconnected?
Has the power been turned on?
Unit cannot External influences such as lightning, static electricity, may cause improper
be operated. 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.
Remote Is the equipment to be operated by the remote control unit set correctly?
control unit Press TV to set the remote control unit to the setting for operating the TV.
does not Are batteries inserted with polarity (+, -) aligned?
operate. 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?
Picture is cut Are screen mode adjustments such as picture size made correctly?
off/with
Pages 3-14 to 3-16
sidebar
screen.
Strange Adjust the picture tone.
color, light
Pages 4-17 to 4-20
color, or color Is the room too bright? The picture may look dark in a room that is too
misalignment bright.
Power is Is the sleep timer set?
suddenly
Pages 3-9
turned off. Check the power control settings.
Page 4-25
The unit's internal temperature has increased. Remove any objects blocking
vent or clean.
Possible Solution
ENG 9-3
Problem
No picture Is connection to other components correct?
Is the correct input selected?
Pages 2-1
Is "On" selected in "Audio Only"?
Page 4-25
If the PC image is not displayed, check the following:
- When connecting a laptop PC to the TV, check that display
output mode of the PC is set to external monitor.
Picture quality of HD To enjoy HD images from external equipment, you are required
programs is poor. to set up HDMI connection or component connection.
If the program content is not of HD quality, HD images cannot
be displayed. Check that the program you are viewing provides
HD images.
The HD cable/satellite set-top box may need to be configured to
output HD images via cable/satellite.
The cable/satellite broadcast may not support a signal resolution
of 1080p.
The TV sometimes This is not a malfunction. This happens when the cabinet slightly
makes a cracking expands and contracts according to change in temperature. This
sound. does not affect the TV's performance.
Some Internet functions The TV has only limited functions compared with regular PC
used on a PC are not browsers.
available from the TV.
Pages 7-7 to 7-9
Possible Solution