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Sharp Aquos LC-40D78UN Operation Manual page 28

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Appendix
Problem
o No picture
o Picture quality of HD programs is
poor.
o The TV sometimes makes a
cracking sound.
Possible
Solution
o Is connection to other components correct? _ Page 11
o Is the correct input signal type selected in "Input Select" atter connection?
Page 24
o Is the correct input selected? .i,, Page 15
o Is "On" selected in "Audio One/"? _ Page 24
o 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 30
o To enjoy HD images from external equipment, you are required to set up HDMI
connection or component
connection.
o If the program content is not of HD quality, HD images cannot be displayed. Check
that the program you are viewing provides HD images.
o The HD cable/satellite set top box may need to be configured to output HD images
via cable/satellite.
o The cable/satellite broadcast may not support a signal resolution ot 1080p.
o 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
pertormance.
I
The example
of an error message
Possible Solution
displayed
on a screen
o Failed to receive broadcast,
o Check the antenna cable. Check that the antenna is correctly setup.
o No broadcast now.
o Check the broadcast time in the program guide.
Cautions
regarding
use in high and low temperature
environments
o When the unit is used in a low temperature space (e.g. room, office), the picture may leave trails or appear slightly delayed.
This is not a malfunction, and the unit will recover when the temperature returns to normal.
o Do not leave the unit in a hot or cold location. Also, do not leave the unit in a location exposed to direct sunlight or near a
heater, as this may cause the cabinet to deform and the Liquid Crystal panel to malfunction.
h
Storage temperature:
-4°F to I 140°F - 20°C to I 60°C
28

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