Appendix; Troubleshooting - LG 22LU7000 Owner's Manual

APPENDIX

TROUBLESHOOTING

The TV does not operate properly.
The remote control does not
work
Power is suddenly turned
off
The video function does not work.
No picture & No sound
Picture appears slowly after
switching on
No or poor colour or poor
picture
Horizontal/vertical bars or
picture shaking
Poor reception on some
channels
Lines or streaks in pictures
No picture when connecting
HDMI
The audio function does not work.
Picture OK & No sound
No output from one of the
speakers
Unusual sound from inside
the TV
No sound when connecting
HDMI or USB
- Check to see if there is any object between the TV and the remote control causing an obstruction.
Ensure you are pointing the remote control directly at the TV.
- Ensure that the batteries are installed with correct polarity (+ to +, - to -).
- Install new batteries.
- Is the sleep timer set?
- Check the power control settings. Has the Power supply been interrupted.
- If the TV is switched on and there is no input signal, it will switch off automatically after 15
minutes.
- Check whether the TV is switched on.
- Try another channel. The problem may be with the broadcast.
- Is the power cord inserted correctly into the mains?
- Check your antenna direction and/or location.
- Test the mains outlet by plugging another product into the same outlet.
- This is normal, the image is muted during the TV startup process. Please contact your service
centre, if the picture has not appeared after five minutes.
- Adjust Colour in menu option.
- Allow a sufficient distance between the TV and the VCR.
- Try another channel. The problem may be with the broadcast.
- Are the video cables installed properly?
- Activate any function to restore the brightness of the picture.
- Check for local interference such as an electrical appliance or power tool.
- Station or cable channel experiencing problems, tune to another station.
- Station signal is weak, reposition the antenna to receive weaker stations.
- Check for sources of possible interference.
- Check antenna (Change the position of the antenna).
- Check that your HDMI cable is version 1.3 or higher.
- If the HDMI cables don't support HDMI version 1.3, flicking or no screen display can result. Please
use the latest cables that support at least HDMI version 1.3.
- Press the + or - button.
MUTE
- Sound muted? Press button.
- Try another channel. The problem may be with the broadcast.
- Are the audio cables installed properly?
Balance
- Adjust in menu option.
- A change in ambient humidity or temperature may result in an unusual noise when the TV is
switched on or off and does not indicate a fault with the TV.
- Check HDMI cable over version 1.3.
- Check USB cable over version 2.0.
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