Sharp LC-19DV28UT operation manual Troubleshooting-Error Message, Troubleshooting-PC mode

Appendix

Troubleshooting

	Problem		Possible Solution
•	No power	•	Check if you pressed POWER on the TV/DVD, or on the remote control unit.
		•	(See page 20.)
			Is the AC cord disconnected? (See page 9.)
		• Has the power been turned on? (See page 20.)
•	Unit cannot be operated.	•	External influences such as lightning, static electricity, may cause improper
			operation. In this case, operate the unit after first turning off the power of the TV/
			DVD or unplugging the AC cord and replugging it in after 1 or 2 minutes.
• Remote control unit does not		•	Are batteries inserted with polarity (+, –) aligned? (See page 10.)
	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 cut off/with sidebar		•	Are screen mode adjustments such as view mode choose made correctly? (See
	screen.		page 22.)
• Strange color, light color, or color		•	Adjust the picture tone. (See page 28.)
	misalignment	•	Is the room too bright? The picture may look dark in a room that is too bright.
•	Power is suddenly turned off.	•	Is the sleep timer set? (See page 13.)
		•	Check the Auto Shut Off settings. (See page 28.)
		•	The unit’s internal temperature has increased.
			Remove any objects blocking vent or clean.
•	No picture	•	Is connection to other components correct? (See page 15.)
		•	Is correct input signal source selected after connection? (See page 15.)
		•	Is the correct input selected? (See page 15.)
		•	Is picture adjustment correct? (See page 28.)
• No sound		• Is the volume too low? (See page 13.)
		•	Have you pressed MUTE on the remote control unit? (See page 13.)
		•	Is connection to other components correct? (See pages 15-19.)
		•	Check the audio output of the connected external equipment. Is the volume too low
			or mufed?
		• When external equiprnent is connected via an HDMI cable, you may need to
			configure the audio to be output through the HDMI cable.
•	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	Possible Solution
message displayed on a screen
• Digital channel signal strength is	• Check the antenna cable. Check that the antenna is correctly setup.
low
• Digital channel is scrambled	• It is subscription channel. Contact the service provider.
• Audio only	• The channel has audio contents only.

Troubleshooting-PC mode

	Problem		Possible Solution
•	There is no image.	•	Make sure the RGB cable is properly connected. (See page 19.)
		•	Make sure the output signal of the PC and the input signal setting of the TV/DVD set
		•	are matched. (See page 19.)
			Some software prohibit video playback on an external display when playing back a
			video with a notebook PC. This is not attributable to a problem with the TV/DVD set.
•	There is no sound.	•	Make sure the PC audio cable is properly connected. (See page 19.)
		•	Check if the mute function activates, or if the volume is set to minimum. (See page
			13.)
• The text is blurred.		•	Adjust “Clock” and “Phase” using the PC Setting menu. (See page 28.)
• The image is not displayed in the		•	Adjust “Hor Position” and “Ver Position” using the PC Setting menu. (See page 28.)
	center of the screen.

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