The audio function does not work.
English
Picture OK & No
sound
No output from one
of the speakers
Unusual sound from
inside the TV
■Press the 
button.
■Sound muted? Press MUTE button.
■Try another channel. The problem may be with the broadcast.
■Are the audio cables installed properly?
■Adjust Balance in menu option.
■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.
There is a problem in PC mode. (Only PC mode applied)
The signal is out of range (Invalid format)
Vertical bar or stripe
on background & Horizontal Noise & Incorrect position
Screen colour is unstable or single colour
■Adjust resolution, horizontal frequency, or vertical frequency.
■Check the input source.
■Use Auto configure or adjust size, phase, or H/V position. (Option)
■Check the signal cable.
■Reinstall the PC video card.
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