135
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.