LG 22LU7000 사용자 매뉴얼
GB-0
APPENDIX
TROUBLESHOOTING
The TV does not operate properly.
The remote control does not
work
- 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.
Power is suddenly turned
off
- 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.
The video function does not work.
No picture & No sound
- 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.
Picture appears slowly after
switching on
- 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.
No or poor colour or poor
picture
- 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.
Horizontal/vertical bars or
picture shaking
- Check for local interference such as an electrical appliance or power tool.
Poor reception on some
channels
- 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.
Lines or streaks in pictures
- Check antenna (Change the position of the antenna).
No picture when connecting
HDMI
- 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.
The audio function does not work.
Picture OK & No sound
- Press the
+ or - button.
- Sound muted? Press
MUTE
button.
- Try another channel. The problem may be with the broadcast.
- Are the audio cables installed properly?
No output from one of the
speakers
- Adjust
Balance
in menu option.
Unusual sound from inside
the TV
- 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.
No sound when connecting
HDMI or USB
- Check HDMI cable over version 1.3.
- Check USB cable over version 2.0.
APPENDIX