LG Electronics 15LC1R Flat Panel Television User Manual


 
33
Troubleshooting Checklist
The audio function does not work.
Picture OK &
No sound
Press the VOL (or Volume) button.
Sound muted? Press MUTE button.
Try another channel. The problem may be with the broadcast.
Are the audio cables installed properly?
Unusual sound
from inside the
product
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.
No output from
one of the
speakers
Adjust Balance in menu option.
Screen color is
unstable or
single color
Check the signal cable.
Reinstall the PC video card.
The signal is out
of range.
There is a problem in PC mode.
(Only PC mode applied)
Adjust resolution, horizontal frequency, or vertical frequency.
Check it whether the signal cable is connected or loose.
Check the input source.
Vertical bar or
stripe on
background &
Horizontal Noise
& Incorrect
position
Work the Auto configure or adjust clock, phase, or H/V position. (option)