Appendix; Troubleshooting - Sharp AQUOS 4T-C80CL1X Operation Manual

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Appendix

Troubleshooting

Problem
No power.
Check if you pressed
Is the AC cord disconnected?
Has the power been turned on?
Unit cannot be External influences such as lightning, static electricity, may cause improper
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
Are batteries inserted with polarity (+, -) aligned?
does not
Are batteries worn out? (Replace with new batteries.)
operate.
Are you using it under strong or fluorescent lighting?
Is a fluorescent light illuminated near the remote control sensor?
Picture is cut Are Display Mode adjustments such as picture size made correctly?
off/with sidebar Page 5-4
screen.
Strange Adjust the picture tone.
colour, light Pages 5-1 to 5-4
colour, or
Is the room too bright? The picture may look dark in a room that is too
colour
bright.
misalignment.
Power is Is the sleep timer set?
suddenly Page 7-1
turned off.
Check the power control settings.
Page 7-1
The unit's internal temperature has increased. Remove any objects blocking
vent or clean.
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Possible Solution
(POWER) on the remote control unit.
Problem
No picture. Is the connection to the device correct?
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.
For 4K60P signals applied to an HDMI input, the external device may not be
outputting signals correctly. Set "HDMI RGB range" to "Limited" (for 4K models
only).
Page 5-4
Picture To enjoy HD images from external equipment, you are required to set up HDMI
quality of connection.
HD
If the programme content is not of HD quality, HD images cannot be displayed.
programmes
Check that the programme you are viewing provides HD images.
is poor.
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 This is not a malfunction. This happens when the cabinet slightly expands and
sometimes contracts according to change in temperature. This does not affect the TV's
makes a performance. Do not open the rear cover of the cabinet to reconstruct the
cracking circuits. There exists high voltage within the cabinet and it may cause electric
sound. shock and injury. If maintenance is required, contact your dealer.
NOTE
If require any assistance with troubleshooting, please contact SHARP
Customer Care.
EN 8-1
Possible Solution
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