Sharp LC-60LE550U, LC-70LE550U Operation Manual page 28

Appendix
Problem
, No pi_ure
o Picture quality ot HD programs is
poor.
o The TV sometimes makes a
cracking sound.
Possible Solution
o
o
o
o
Is connection to other components correct? ,,_ Page 12
Is the correct input selected? _ Page 16
Is "On" selected in "Audio Only"? _ Page 25
If the PC image is not displayed, check the tollowing:
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?
"PC Compatibility Chart" below
, To enjoy HD images from external equipment, you are required 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.
, 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.
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.
It is necessary to set the PC correctly to display XGA and WXGA signal.
PC Resolution Horizontal Frequency
720 x 400 31.5 kHz
31.5 kHz
VGA
640 x 480 37.9 kHz
37.5 kHz
35.1 kHz
37.9 kHz
SVGA 800x 600 48.1 kHz
PC
46.9 kHz
48.4 kHz
XGA 1024 x 768 56.5 kHz
60.0 kHz
WXGA 1360 x 768 47.7 kHz
SXGA 1280 x 1024 64.0 kHz
1080p 1920 x 1080 67.5 kHz
J VGA and XGA trademarks of International Business Machines
registered Corp.
are
Vertical Frequency
70 Hz
60 Hz
72 Hz
75 Hz
56 Hz
60 Hz
72 Hz
75 Hz
60 Hz
70 Hz
75 Hz
60 Hz
60 Hz
60 Hz
VESA Standard
O
O
O
O
O
O
O
O
O
O
O
O
CLEARING THE SECRET NUMBER
If you forget the secret number, clear the secret number using the following procedure.
1 Select "Parental CTRL" on the Setup menu to display the secret number screen. (For operating the on-
screen display menu, see page 18.)
2 Press and hold both CR/X. and VOL + on the TV simultaneously until the message appears on the screen.
The secret number is I I I I I
o As a precautionary measure, make a note of your secret number above, and keep it in a sate place.
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