LG 47LG60 52LG70 Owner's Manual page 56

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The a a udio f f unction d d oes n n ot w w ork.
Picture OK & No sound
No output from one
of the speakers
Unusual sound from
inside
the product
There i i s a a p p roblem i i n P P C m m ode. ( ( Only P P C m m ode a a pplied)
The signal is out of range
Vertical bar or stripe on
background &
Horizontal Noise &
Incorrect position
Screen color is unstable
or single color
Press the VOL or VOLUME 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 product is turned on or off and does not indicate a fault with the
product.
Adjust resolution, horizontal frequency, or vertical frequency.
Check the input source.
Work the Auto configure or adjust clock, phase, or H/V position. (Option)
Check the signal cable.
Reinstall the PC video card.
111

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