User guide

182
APPENDIX
APPENDIX
The audio function does not work.
Picture OK & No
sound
Press the
+ or - button.
Sound muted? Press MUTE button.
Try another channel. The problem may be with the broadcast.
Are the audio cables installed properly?
No output from one
of the speakers
Adjust Balance in menu option.
Unusual sound from
inside the TV
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.
No sound when con-
necting HDMI or USB
Check HDMI cable is
High Speed HDMI Cable
.
Check USB cable over version 2.0.
There is a problem in PC mode. (Only PC mode applied)
The signal is out of
range
(Invalid format)
Adjust resolution, horizontal frequency
, or vertical frequency.
Check the input source.
Vertical bar or stripe on
background &
Horizontal Noise &
Incorrect position
Use
Auto configure or adjust clock, phase, or H/V position. (Option)
Screen colour is
unstable or single
colour
Check the signal cable.
Reinstall the PC video card.
There is a problem with PICTURE settings.
When the user chang-
es the picture settings,
the TV
automatically
converts back to the
initial settings after a
certain period of time.
It means that the TV is currently set to Store Demo mode.
To switch to Home use mode you should do the followings:
From the TV Menu, choose OPTION -> Choose Mode Setting -> Choose
Home use. Now, you have completed switching to the Home use mode.
*This feature is not available for all models.