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77
APPENDIX
The audio does not work.
Picture OK but No sound
V
Press the VOL or VOLUME button.
V
Sound muted? Press the MUTE button.
V
Try another channel. The problem may be with the broadcast.
V
Are the audio cables installed properly?
No output from one
of the speakers
V
Adjust Balance in menu option.
Unusual sound from
inside the product
V
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.
No sound
when connecting
HDMI/USB
V
Check High Speed HDMI cable.
V
Check USB cable over version 2.0.
V
Use normal MP3 file.
*This feature is not available for all models.
There is a problem in PC mode. (Only PC mode applied)
The signal is out of range
V
Adjust resolution, horizontal frequency, or vertical frequency.
V
Check the input source.
Vertical bar or stripe on
background &
Horizontal Noise &
Incorrect position
V
Work the Auto configure or adjust clock, phase, or H/V position. (Option)
Screen color is unstable
or single color
V
Check the signal cable.
V
Reinstall the PC video card.
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