LG Electronics 42LD650H Flat Panel Television User Manual


 
APPENDIX
APPENDIX
124
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Adjust resolution, horizontal frequency, or vertical frequency.
Check the input source.
Work the Auto configure or adjust clock, phase, or H/V position. (Option)
Check the signal cable.
Update video card drivers.
The signal is out of range
Screen color is unstable
or single color
Vertical bar or stripe on
background &
Horizontal Noise &
Incorrect position
Picture OK but No sound
Unusual sound from
inside the product
No sound
when connecting HDMI
or USB
No output from one
of the speakers
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Press the VOL or VOLUME button.
Sound muted? Press the MUTE button.
Try another channel. The problem may be with the broadcast.
Are the audio cables installed properly?
Adjust Balance in menu option.
A change in ambient humidity or temperature may result in an unusual noise
when the product is turned on or off and does not indicate a fault with the
product.
Check High Speed HDMI cable.
Check USB cable over version 2.0.
Use normal MP3 file.
*This feature is not available for all models.
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Installer menu setup
Adjust Installer menu settings as required.
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No Power
See troubleshooting flow chart.
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Cannot direct enter chan-
nel number or “No Signal”
appears
After 2-5-5 + MENU, only channels included in TV controller will appear. If chan-
nel is available it can be added to channel scan, rescan channels. If it is not avail-
able, the ‘No Signal’ message appears on the TV screen.
NOTE
!
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For other problems not caused by the TV, refer to other devices’ operating guides.