Appendix

Troubleshooting

Problem

Possible solution

• No power.

• Is the AC cord disconnected?

 

• Check if you pressed aon 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 45, 58 and 59)

• 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 42 and 47).

• 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 39).

 

• Is “No signal off” or “No operation off” activated? (Page 39)

• No picture.

• Are connections to external equipment correct?

 

(Pages 26_31)

 

• Is the input signal type selected correctly after connection?

 

(Page 46)

 

• Is the correct input source selected? (Page 18)

 

• Is a non-compatible signal being input? (Page 61)

 

• Is the picture adjustment correct? (Pages 35_37)

 

• Is the antenna connected properly? (Page 9)

 

• Refer to “Picture / Audio test” (Page 79).

• No sound.

• Is the volume too low?

 

• If you do not clearly hear the sound for the visually impaired,

 

go to “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 eon 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 28, 29 and 46)

 

• Refer to “Picture / Audio test” (Page 79).

• 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 64)

cannot be displayed.

• Check the settings of “Network setup” (Pages 64–65).

• Some Internet

• The TV has only limited functions compared with regular PC

functions used on a

browsers (Page 66).

PC are not available

 

from the TV.

 

• Miracast image/audio

• Check pairing.

cannot be output to

 

the TV.

 

77

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Page 79
Image 79
Sharp LC-60UQ10EN, LC-60UQ10KN, LC-80UQ10KN, LC-70UQ10KN, LC-80UQ10EN, LC-70UQ10EN Appendix, Troubleshooting
Page 78 Page 80

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