The audio function does not work.

Picture OK & No sound

No output from one

of the speakers

Unusual sound from

inside

the product

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.

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 color is unstable

or single color

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.

APPENDIX

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LG Electronics 32LX50C 32LX50CS 37LC50C owner manual Audio function does not work, Vertical bar or stripe on Background