LG 42LH50 Owner's Manual page 143

A A u u d d i i o o P P r r o o b b l l e e m m s s
Picture OK & No sound
No output from one
of the speakers
Unusual sound from
inside the product
No sound
when connecting
HDMI/USB
P P C C M M o o d d e e P P r r o o b b l l e e m m s s
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.
I
Sound muted? Press MUTE button.
I
Try another channel. The problem may be with the broadcast.
I
Are the audio cables installed properly?
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Adjust Balance in menu option.
I
A change in ambient humidity or temperature may result in an unusual noise
I
when the product is turned on or off and does not indicate a fault with the
product.
Check HDMI cable over version 1.3.
I
Check USB cable over version 2.0.
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Use normal MP3 file.
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Adjust resolution, horizontal frequency, or vertical frequency on the PC.
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Check the input source.
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Activate the Auto configure feature or adjust size, phase, or H/V position.
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(Depending on model)
Check the manual for the video card in the PC to see if it supports HDMI audio
I
and how to set it up properly.
*This feature is not available for all models.
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