LG Electronics 55LH40 Flat Panel Television User Manual


 
APPENDIX
111
There is a problem in PC mode. (Only PC mode applied)
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.
Reinstall the PC video card.
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 & No sound
Unusual sound from
inside the product
No sound
when connecting
HDMI/USB
No output from one
of the speakers
T
he audio does not work.
Press the VOL or VOLUME button.
Sound muted? Press MUTE button.
Try another channel. The problem may be with the bro
adcast.
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 HDMI cable over version 1.3.
Check USB cable over version 2.0.
Use normal MP3 file.
*This feature is not available for all models.