LG Electronics 15LS1R Flat Panel Television User Manual


 
42
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 the input source.
Vertical bar or
stripe on back-
ground &
Horizontal Noise &
Incorrect position
Work the Auto configure or adjust clock, phase, or H/V position.
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