
Appendix
Troubleshooting
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 | Problem | 
 | Possible solution | 
| • | No power. | • | Is the AC cord disconnected? | 
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 | • | Check if you pressed <on the TV. | 
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 | • | When the power switch does not work, remove the power plug and insert it again, and press | 
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 | <on the TV after waiting more than five seconds. | 
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| • | The TV cannot be operated. | • | External influences such as lightning, static electricity, etc., may cause improper operation. In | 
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 | this case, operate the TV after first turning off the power, or unplugging the AC cord and | 
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| • Remote control unit does not | • | Are batteries inserted with polarity (e, f) aligned? | |
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 | operate. | • | Are batteries worn out? (Replace with new batteries.) | 
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 | • | Are you using it under strong or fluorescent lighting? | 
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 | • Is a fluorescent light illuminating to the remote control sensor? | |
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| • Picture is cut off. | • | Is the image position correct? | |
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 | • | Are screen mode adjustments (Wide mode) such as picture size made correctly? (Pages | 
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 | 47f48, 68, 69 and 70). | 
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| • Strange colour, light colour, or dark | • | Adjust the picture tone (Pages 37f39). | |
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 | colour, or colour misalignment. | • | Is the room too bright? The picture may look dark in a room that is too bright. | 
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 | • Check the “Colour system” setting (Pages 43 and 50). | |
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 | • | Check the “HDMI auto view” setting (Page 49). | 
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| • | Power is suddenly turned off. | • | The TV’s internal temperature has increased. Remove any objects blocking the vent or clean. | 
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 | • | Is the “Sleep timer” set? Select “Off” from the “Sleep timer” menu (Page 41). | 
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 | • | Is “No signal off” or “No operation off” activated? (Page 41) | 
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| • | No picture. | • | Are connections to external equipment correct? (Pages 28f31) | 
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 | • | Is the correct input source selected? (Page 19) | 
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 | • | Is a  | 
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 | • | Is the picture adjustment correct? (Pages 37f39) | 
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 | • | Is the antenna connected properly? (Page 9) | 
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| • | No sound. | • | Is the volume too low? | 
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 | • | If you do not clearly hear the sound for the visually impaired, go to “HOME” > “TV Menu” > | 
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 | “Setup” > “Audio” > “Audio description setting” > “Mix level”, and select the upper level to turn | 
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 | up the volume. | 
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 | • | Make sure that headphones are not connected. | 
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 | • | Check if you pressed eon the remote control unit. | 
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 | • | Is the proper item selected in the “Audio select” menu when connecting devices to the HDMI 2 | 
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 | terminal or the PC terminal? (Pages 29, 48 and 70) | 
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| • The TV sometimes makes a cracking | • | This is not a malfunction. This happens when the cabinet slightly expands and contracts | |
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 | sound. | 
 | according to changes in temperature. This does not affect the TV’s performance. | 
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| • AQUOS.NET top page cannot be | • | Is the ETHERNET cable connected correctly? (Page 54) | |
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 | displayed. | • | Check the settings of “Network setup”. (Pages 54f57) | 
•Some Internet functions used on a • The TV has only limited functions compared with regular PC browsers. (Page 59) PC are not available from the TV.
| • | Miracast image/audio cannot be | • | Check pairing. | 
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 | output to the TV. | 
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| • | Bluetooth (smartphone) playback | • | Check pairing. | 
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 | cannot be displayed on the TV. | 
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Troubleshooting — Digital broadcasting
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 | Problem | Error code | 
 | Possible solution | 
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| • | No picture or no sound. | — | • | Is the correct input source selected? (Page 19) | 
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| • | Block noise appears on the screen. | — | • | Is the antenna pointing in the correct direction? | 
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 | • | Check the “Signal strength” and “Quality” (Page 17). | 
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 | • | Are physical objects blocking the antenna? | 
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 | • | Is the antenna or antenna cable compatible with DTV broadcast? | 
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| • | DTV broadcasts cannot be | E202 | • | Is the DTV antenna set up properly? | 
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 | received. | 
 | • | Is the antenna cable connected properly? (Page 9) | 
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 | • | Is the channel settings correct? (Page 17) | 
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| • | A specific channel cannot be | — | • | Check the “Signal strength” and “Quality” (Page 17). | 
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| • | No broadcast now. | E203 | • | Check the current broadcast. | 
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