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Appendix
Troubleshooting
Problem
• No power.
• The TV cannot be operated.
• Remote control unit does not operate.
• Picture is cut off.
• Strange colour, light colour, or dark
colour, or colour misalignment.
• Power is suddenly turned off.
• No picture.
• No sound.
• The TV sometimes makes a cracking
sound.
• AQUOS.NET top page cannot be
displayed.
• Some Internet functions used on a PC
are not available from the TV.
Troubleshooting – Digital broadcasting
Problem
• No picture or no sound.
• Block noise appears on the screen.
• DTV broadcasts cannot be received.
• A specific channel cannot be received.
• No broadcast now
• Is the AC cord disconnected?
• Check if you pressed < on the TV.
• When the power switch does not work, remove the power plug and insert it again, and press
< on the TV after waiting more than five seconds.
• External influences such as lightning, static electricity, etc., 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.
• Are batteries inserted with polarity (e, f) aligned?
• 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?
• Is the image position correct?
• Are screen mode adjustments (Wide mode) such as picture size made correctly? (Pages 45f46, 65
and 66)
• Adjust the picture tone (Pages 35
• Is the room too bright? The picture may look dark in a room that is too bright.
• Check the "Colour system" setting (Pages 41 and 48).
• Check the "HDMI auto view" setting (Page 47).
• The TV's internal temperature has increased. Remove any 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)
• Are connections to external equipment correct? (Pages 26
• Is the correct input source selected? (Page 18)
• Is a non-compatible signal being input? (Page 67)
• Is the picture adjustment correct? (Pages 35
• Is the antenna connected properly? (Page 9)
• Is the volume too low?
• 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 27, 46 and 66)
• This is not a malfunction. This happens when the cabinet slightly expands and contracts according to
changes in temperature. This does not affect the TV's performance.
• Is the ETHERNET cable connected correctly? (Page 50)
• Check the settings of "Network setup". (Pages 49 – 51)
• The TV has only limited functions compared with regular PC browsers. (Page 54)
Error code
—
• Is the correct input source selected? (Page 18)
—
• Is the antenna pointing in the correct direction?
• Check the "Signal strength" and "Quality" (Page 16).
• Are physical objects blocking the antenna?
• Is the antenna or antenna cable compatible with DTV broadcast?
E202
• Is the DTV antenna set up properly?
• Is the antenna cable connected properly? (Page 9)
• Is the channel settings correct? (Page 16)
—
• Check the "Signal strength" and "Quality" (Page 16).
E203
• Check the current broadcast.
Possible solution
f
37).
f
29)
f
37)
Possible solution
75
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Table of Contents
Troubleshooting
