Sharp LC-60LE740RU, LC-70LE740E, LC-70LE740RU, LC-70LE741E Appendix, Troubleshooting, Reset the PIN

Appendix

Troubleshooting

Problem	Possible solution
• No power.	• Is the AC cord disconnected?
	• Check if you pressed a on the TV.
• The TV cannot be	• External influences such as lightning, static electricity, etc.,
operated.	may cause improper operation. In this case, operate the TV
	after first turning off the power, or unplugging the AC cord
	and re-plugging it in after one or two minutes.
• Remote control unit	• Are batteries inserted with polarity (e, f) aligned?
does not operate.	• Are batteries worn out? (Replace with new batteries.)
	• Are you using it under strong or fluorescent lighting?
	• Is a fluorescent light illuminating to the remote control
	sensor?
• Picture is cut off.	• Is the image position correct?
	• Are screen mode adjustments (Wide mode) such as picture
	size made correctly? (Pages 40, 51 and 52)
• Strange colour,	• Adjust the picture tone.
light colour, or dark	• Is the room too bright? The picture may look dark in a room
colour, or colour	that is too bright.
misalignment.	• Check the “Colour system” setting (Pages 37 and 42).
• Power is suddenly	• The TV’s internal temperature has increased. Remove any
turned off.	objects blocking the vent or clean.
	• Is the “Sleep timer” set? Select “Off” from the “Sleep timer”
	menu (Page 34).
	• Is “No signal off” or “No operation off” activated? (Page 34)
• No picture.	• Are connections to external equipment correct?
	(Pages 23_28)
	• Is the input signal type selected correctly after connection?
	(Page 41)
	• Is the correct input source selected? (Page 18)
	• Is a non-compatible signal being input? (Page 54)
	• Is the picture adjustment correct? (Pages 31_32)
	• Is the antenna connected properly? (Page 9)
• No sound.	• Is the volume too low?
	• If you do not clearly hear the sound for the visually impaired,
	go to “HOME” > “TV Menu” > “Setup” > “Audio” > “Audio
	description setting” > “Mix level”, and select the upper level
	to turn up the volume.
	• Make sure that headphones are not connected.
	• Check if you pressed e on the remote control unit.
	• Is the proper item selected in the “Audio select” menu
	when connecting devices to the HDMI 2 terminal or the PC
	terminal? (Pages 24, 26 and 41)

• The TV sometimes	• This is not a malfunction. This happens when the cabinet
makes a cracking	slightly expands and contracts according to changes in
sound.	temperature. This does not affect the TV’s performance.
• Net TV start page	• Is the ETHERNET cable connected correctly? (Page 57)
cannot be displayed.	• Check the settings of “Network setup” (Pages 57–58).
• Some Internet	• The TV has only limited functions compared with regular PC
functions used on a	browsers (Page 59).
PC are not available
from the TV.

Reset the PIN

1Go to “HOME” > “TV Menu” > “Setup”.

2Press a/bto select “Auto installation”, “Programme setup”, “PIN”, “Parental rating” or “Reset”, and then press ;. The PIN input window will display.

3Press and hold both :r and i+ on the TV simultaneously until the message appears on the screen.

NOTE

•When the PIN code is reset, the default PIN code (“1234”) is set.

•The PIN is also available for the Net TV function.

Reset

If complex adjustments are made so that the settings cannot be restored to normal, you can reset the settings to the factory preset values.

1Go to “HOME” > “TV Menu” > “Setup” > “View setting” > “Reset”.

2Press c/dto select “Yes”, and then press ;.

•“Now, TV will restart automatically, OK?” displays on the screen.

3Press c/dto select “Yes”, and then press ;.

•“Now initialising...” displays on the screen and blinks.

•After the reset has completed, the power shuts off and then comes back on. The screen will have returned to its original settings.

NOTE

•PIN input is required when executing “Reset”. The default PIN is “1234”. To change the PIN setting, refer to Individual setting — PIN (Page 38). To reset the PIN setting (PIN input will no longer be needed), refer to Reset the PIN shown above.

•“Reset” is greyed out in 3D mode. To select the “Reset” menu, you need to switch to 2D mode.

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