LG 42LD420 Manual De Usuario página 31

APPENDIX
TROUBLESHOOTING
Abnormal Operation
The remote control
doesn't work
TV turns off suddenly
Video Problems
No picture &No sound
Picture appears slowly
after switching on
No or poor color or
poor picture
Horizontal/vertical bars
or picture shaking
Poor reception on
some channels
Lines or streaks in pic-
tures
No picture when con-
necting HDMI
All manuals and user guides at all-guides.com
ꔛ
Check to see if there is any object between the product and the remote
control causing obstruction. Ensure you are pointing the remote control
directly at the TV.
ꔛ
Ensure that the batteries are installed with correct polarity (+ to +, - to -).
ꔛ
Ensure that the correct remote operating mode is set: TV, VCR etc.
ꔛ
Install new batteries.
ꔛ
Is the sleep timer set?
ꔛ
Check the power control settings. Power interrupted.
ꔛ
If there is no signal, the TV turns off automatically in 15 minutes.
ꔛ
Check whether the product is turned on.
ꔛ
Try another channel. The problem may be with the broadcast.
ꔛ Is the power cord inserted into wall power outlet?
ꔛ
Check your antenna direction and/or location.
ꔛ
Test the wall power outlet, plug another product's power cord into the
outlet where the product's power cord was plugged in.
ꔛ This is normal, the image is muted during the product startup process.
Please contact your service center, if the picture has not appeared after
five minutes.
ꔛ
Adjust Color in menu option.
ꔛ
Keep a sufficient distance between the product and the VCR.
ꔛ Try another channel. The problem may be with the broadcast.
ꔛ
Are the video cables installed properly?
ꔛ
Activate any function to restore the brightness of the picture.
ꔛ Check for local interference such as an electrical appliance or power
tool.
ꔛ
Station or cable product experiencing problems, tune to another station.
ꔛ
Station signal is weak, reorient antenna to receive weaker station.
ꔛ Check for sources of possible interference.
ꔛ
Check antenna (Change the direction of the antenna).
ꔛ
If an HDMI cable doesn't support High Speed HDMI, it can cause flickers
or no screen display. In this case use the latest cables that support High
Speed HDMI.
*This feature is not available for all models.
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