LG 22LG3DCH Owner's Manual page 113

APPENDIX
mm_ Press the VOL or VOLUME button.
mini Sound muted? Press the MUTE button.
mini Try another channel. The problem may be with the broadcast.
mini Are the audio cables installed properly?
mmff Adjust Balance in menu option.
mini 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.
Check HDMI cable over version 1.3.
Check USB cable over version 2.0.
*This feature is not available for all models.
Adjust resolution, horizontal frequency, or vertical frequency.
Check the input source.
Run the Auto configure or adjust clock, phase, or H/V position. (Option)
Check the signal cable.
Update video card drivers.
r_
z
x
mml_ Adjust Installer menu settings as required.
,l_Note: For other problems not caused by the TV, refer to other devices' operating guides.
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