APPENDIX
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 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.
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.
*This feature is not available for all models.
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