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 |
• 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 |
| • 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 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 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 |
• 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. |
|
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