Sharp LC 30HV2U operation manual Appendix, Troubleshooting, Use in hot and cold rooms locations

Appendix

Troubleshooting

Problem	Possible Solution
• No power	• Make sure the Display and the AVC System are connected correctly. (See page
	8.)
	• Check if you pressed TV POWER on the remote control unit. (See page 16.)
	If the indicator on the Display lights up red, press TV POWER.
	• Is the AC cord disconnected? (See page 15.)
	• Has the main power been turned on? (See page 16.)
• Unit cannot be operated.	• External influences such as lightning, static electricity, may cause improper
	operation. In this case, operate the unit after first turning on the power of the
	Display and the AVC System, or unplugging the AC cord and replugging it in
	after 1 or 2 minutes.
• Remote control unit does not	• Is the Mode switch set correctly? Slide it to the TV setting position.
operate.	• Are batteries inserted with polarity (e, f) aligned? (See page 9.)
	• 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	• Is the image position correct? (See pages 24 and 45.)
screen.	• Are screen mode adjustments such as picture size made correctly? (See page
	49)
• Strange color, light color, or color	• Adjust the picture tone. (See pages 29 to 33.)
misalignment	• Is the room too bright? The picture may look dark in a room that is too bright.
	• Check the input signal setting. (See page 47.)
• Power is suddenly turned off.	• Is the sleep timer set? (See page 52.)
	• Check the power control settings? (See pages 35 to 37.)
	• The unit’s internal temperature has increased.
	Remove any objects blocking vent or clean.
• No picture	• Is connection to other components correct? (See pages 38 to 43.)
	• Has setup been done correctly after connection? (See page 47.)
	• Is the correct input selected? (See page 47.)
	• Is a non-compatible signal being input? (See page 71.)
	• Is picture adjustment correct? (See pages 29 to 33.)
• No sound	• Is the volume too low? (See page 19.)
	• Is “Variable” selected in “Audio Out”? (See page 52.)

Use in hot and cold rooms (locations)

•When the unit is used in a low-temperature room locaiton, 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.

•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. (Storage temperature: f20°C to e60°C)

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