Troubleshooting - Sharp AQUOS 4T-C50AH1X 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
be operated. 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.
Remote Is the equipment to be operated by the remote control unit set
control unit correctly?
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 Are screen mode adjustments such as picture size made
cut off/with correctly?
sidebar Page 4-31
screen.
Strange Adjust the picture tone.
colour, light Pages 4-22 to 4-23
colour, or
Is the room too bright? The picture may look dark in a room
colour
that is too bright.
misalignment
Power is Is the sleep timer set?
suddenly Page 4-30
turned off.
Check the power control settings.
Page 4-30
The unit's internal temperature has increased. Remove any
objects blocking vent or clean.
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Possible Solution
Problem
No picture Is connection to other components 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.
- Check the resolution setting on the PC. Is a non-compatible
signal being input?
Page 7-7
Picture To enjoy HD images from external equipment, you are
quality of HD required to set up HDMI connection or component
programmes connection.
is poor.
If the programme content is not of HD quality, HD images
cannot be displayed. Check that the programme 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 This is not a malfunction. This happens when the cabinet
sometimes slightly expands and contracts according to change in
makes a temperature. This does not affect the TV's performance.
cracking
sound.
EN 9-1
Possible Solution
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