LG 20LC1R Owners Manual - Page 33

Picture OK &amp

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Troubleshooting Checklist Picture OK & No sound No output from one of the • 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. Unusual sound from inside the • A change in ambient humidity or temperature may result in an unusual noise when the product is turn_ on or off and does not indicate a fault with the product, J There is a problem in PC m_e, The signal is out of range. Vertical bar or stripe on background & Horizontal Noise & Incorrect • Adjust resolution, horizontal frequency, or vertical frequency: • Check it whether the signal cable is connected or loose. • Check the input source, • Work the Auto configure or adjust cl_k, phase, or HA/position. (option) Scr_n color is unstable or single color . Check the signal cable. . Reinstall the PC video card. J

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Troubleshooting
Checklist
Picture OK &
No sound
No output from
one of the
Unusual
sound
from inside the
•
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 turn_
on or off and does not
indicate a fault with the product,
J
....................................
There
is a problem
in PC m_e,
The signal
is
out
of range.
Vertical bar or
stripe on
background
&
Horizontal
Noise
&
Incorrect
Scr_n
color
is
unstable
or
single color
•
Adjust resolution,
horizontal
frequency,
or
vertical
frequency:
•
Check
it
whether
the signal cable
is connected
or loose.
• Check the
input
source,
• Work the Auto configure
or adjust cl_k,
phase,
or HA/position.
(option)
.
Check the signal cable.
. Reinstall
the PC video card.
J