LG 42PJ350 Owner's Manual - Page 107

The audio function does not work. Picture OK & No sound I Press the VOL or VOLUME button. I Sound muted? Press MUTE button. I Try another channel. The problem may be with the broadcast. I Are the audio cables installed properly? No output from one of the speakers Unusual sound from inside the product I Adjust Balance in menu option. I 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 sound when connecting HDMI/USB I Check HDMI cable over version 1.3. I Check USB cable over version 2.0. I Use normal MP3 file. *This feature is not available for all models. There is a problem in PC mode. (Only PC mode applied) The signal is out of range I Adjust resolution, horizontal frequency, or vertical frequency. I Check the input source. Vertical bar or stripe on background & Horizontal Noise & Incorrect position I Work the Auto configure or adjust clock, phase, or H/V position. (Option) Screen color is unstable I Check the signal cable. or single color I Reinstall the PC video card. APPENDIX 107