Sharp LC70LE550U, LC60LE550U Troubleshooting Error Message, PC Compatibility Chart, Appendix

Appendix

Problem	Possible Solution
• No picture	• 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 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?

“PC Compatibility Chart” below

• Picture quality of HD programs is	• To enjoy HD images from external equipment, you are required to set up HDMI
poor.	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 confi gured to output HD images via cable/satellite.

•The cable/satellite broadcast may not support a signal resolution of 1080p.

•The TV sometimes makes a • This is not a malfunction. This happens when the cabinet slightly expands and

cracking sound.	contracts according to change in temperature. This does not affect the TV's
	performance.

Troubleshooting - Error Message
The example of an error message	Possible Solution
displayed on a screen
• Failed to receive broadcast.	• Check the antenna cable. Check that the antenna is correctly setup.

PC Compatibility Chart

It is necessary to set the PC correctly to display XGA and WXGA signal.

PC	Resolution		Horizontal Frequency	Vertical Frequency	VESA Standard
		720 x 400	31.5 kHz	70 Hz
	VGA		31.5 kHz	60 Hz		O
		640 x 480	37.9 kHz	72 Hz		O
			37.5 kHz	75 Hz		O
			35.1 kHz	56 Hz		O
	SVGA	800 x 600	37.9 kHz	60 Hz		O
PC			48.1 kHz	72 Hz		O
			46.9 kHz	75 Hz		O
			48.4 kHz	60 Hz		O
	XGA	1024 x 768	56.5 kHz	70 Hz		O
			60.0 kHz	75 Hz		O
	WXGA	1360 x 768	47.7 kHz	60 Hz		O
	SXGA	1280 x 1024	64.0 kHz	60 Hz		O
	1080p	1920 x 1080	67.5 kHz	60 Hz

VGA and XGA are registered trademarks of International Business Machines Corp.

CLEARING THE SECRET NUMBER

If you forget the secret number, clear the secret number using the following procedure.

1Select “Parental CTRL” on the Setup menu to display the secret number screen. (For operating the on- screen display menu, see page 18.)

2Press and hold both CHUand VOLk on the TV simultaneously until the message appears on the screen.

The secret number is

.

•As a precautionary measure, make a note of your secret number above, and keep it in a safe place.

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