LG 32LB9D Owner's Manual page 96

APPENDIX
T T h h e e a a u u d d i i o o f f u u n n c c t t i i o o n n d d o o e e s s n n o o t t w w o o r r k k . .
Picture OK & No sound
No output from one
of the speakers
Unusual sound from
inside
the product
T T h h e e r r e e i i s s a a p p r r o o b b l l e e m m i i n n P P C C m m o o d d e e . . ( ( O O n n l l y y P P C C m m o o d d e e a a p p p p l l i i e e d d ) )
The signal is out of range
(Invalid format)
Vertical bar or stripe on
background &
Horizontal Noise &
Incorrect position
Screen color is unstable
or single color
94
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.
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.
■