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Appendix
Troubleshooting
The problems described below are not always caused by malfunctions. Check the TV again before having the TV
serviced.
Problem
• No power.
• Unit cannot be operated.
• Remote control unit does not
operate.
• Picture is cut off.
• Strange colour, light colour, or
dark, or colour misalignment.
• Power is suddenly turned off.
• No picture.
• No sound.
• The TV sometimes makes a
cracking noise.
• Cannot select the desired channel. • Switch between Digital TV and Analogue TV modes. (See page 26.)
• Cannot connect to the Network
Cautions regarding use in high and low temperature environments
• When the unit is used in a low temperature space (e.g. room,office the picture may leave trails or appear slightly delayed.
This is not a malfunction, and the unit will recover when the temperature returns to normal.
• Do not leave the unit in a hot or cold location. Also, do not leave the unit in a location exposed to direct sunlight or near a
heater, as this may cause the cabinet to deform and the LCD panel to malfunction.
Storage temperature: - 20°C to + 60°C.
30
• Is the AC cord disconnected? (See page 14.)
• Has the power been turned on? (See page 18.)
• When the power switch does not work, remove the power plug and insert it again,
and press
(POWER) 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 unit after first turning the power off or unplugging
the AC cord and re-plugging it in after 1 or 2 minutes.
• Are batteries inserted with polarity (+ , - ) aligned? (See page 17.)
• Are batteries worn out? (Replace with new batteries.)
• Are screen mode adjustments such as picture size made correctly? (See page 19 .)
• Adjust the picture tint. (See page 19.)
• Is the room too bright? The picture may look dark in a room that is too bright.
• Check the colour system setting. (See page 21.)
• The unit's internal temperature has increased.
Remove any objects blocking the vent or clean.
• Is the sleep timer, no signal power off ? (See page 22.)
• Is the connection to external equipment correct? (See pages 15, 16 and 27.)
• Is the correct input selected? (See page 26.)
• Is the picture adjustment correct? (See page 19.)
• Is the antenna connected properly? (See page 14.)
• Check the colour system setting. (See page 21.)
• Is the volume too low? (See page 13.)
• Check the sound system setting. (See page 21.)
• 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 LAN cable connected correct. (See pages 24 and 25.)
• Check the "LAN setting".
Possible solution
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