LG 52LBX - Manual (Page 84)

APPENDIX
APPENDIX
82
T Th hee aau ud diio o ffu un nccttiio on n d do oeess n no ott w wo orrkk..
T Th heerree iiss aa p prro ob blleem m iin n P PC C m mo od dee.. ((O On nlly y P PC C m mo od dee aap pp plliieed d))
■ 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?
■ 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.
Picture OK & No sound
Unusual sound from
inside
the product
No output from one
of the speakers
■ 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
(Invalid format)
Screen color is unstable
or single color
Vertical bar or stripe on
background &
Horizontal Noise &
Incorrect position