The audio function does not work.

Picture OK &

No sound

No output from one

of the speakers

Unusual sound from

inside the TV

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 TV is switched on or off and does not indicate a fault with the TV.

There is a problem in PC mode. (Only PC mode applied)

The signal is out of

range.

Vertical bar or stripe

on background &

Horizontal Noise & Incorrect position

Screen colour is unstable or single colour

Adjust resolution, horizontal frequency, or vertical frequency.

Check the input source.

Use Auto configure or adjust clock, phase, or H/V position.

Check the signal cable.

Reinstall the PC video card.

APPENDIX

77

Downloaded From TV-Manual.com Manuals

Page 79
Image 79
LG Electronics 42LC4R, 42PC7R, 32LB9R, 42LB9R owner manual Audio function does not work