Maintenance; Cleaning The Screen; Cleaning The Cabinet - LG 42LH90QR Manual De Uso

MFL58486305-Edit4-en- 4/29/10 4:39 PM Page 122
APPENDIX
T T h h e e a a u u d d i i o o d d o o e e s s n n o o t t w w o o r r k k . .
Picture OK & No sound
No output from one
of the speakers
Unusual sound from
inside the product
No sound
when connecting HDMI
or USB
T T h h e e r r e e i i s s a a p p r r o o b b l l e e m m i i n n P P C C m m o o d d e e . . ( ( O O n n l l y y P P C C m m o o d d e e a a p p p p l l i i e e d d ) )
The signal is out of range
Vertical bar or stripe on
background &
Horizontal Noise &
Incorrect position
Screen color is unstable
or single color

MAINTENANCE

Early malfunctions can be prevented. Careful and regular cleaning can extend the amount of time you can
enjoy your new TV.
Caution: Be sure to turn the power off and unplug the power cord before you begin any cleaning.

Cleaning the Screen

Here's a great way to keep the dust off your screen for a while. Wet a soft cloth in a mixture of lukewarm
1
water and a little fabric softener or dish washing detergent. Wring the cloth until it's almost dry, and then
use it to wipe the screen.
2
Make sure the excess water is off the screen, and then let it air-dry before you turn on your TV.

Cleaning the Cabinet

To remove dirt or dust, wipe the cabinet with a soft, dry, lint-free cloth.
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Please be sure not to use a wet cloth.
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Extended Absence
CAUTION
If you expect to leave your TV dormant for a long time (such as a vacation), it's a good idea to unplug
G G
the power cord to protect against possible damage from lightning or power surges.
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Press the VOL or VOLUME button.
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Sound muted? Press MUTE button.
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Try another channel. The problem may be with the broadcast.
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I Are the audio cables installed properly?
Adjust Balance in menu option.
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A change in ambient humidity or temperature may result in an unusual noise
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when the product is turned on or off and does not indicate a fault with the
product.
Check HDMI cable over version 1.3.
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I Check USB cable over version 2.0.
Use normal MP3 file.
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Adjust resolution, horizontal frequency, or vertical frequency.
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Check the input source.
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Work the Auto configure or adjust size, phase, or H/V position. (Option)
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Check the signal cable.
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Reinstall the PC video card.
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*This feature is not available for all models.