LG Electronics 5250DC, 4750DC owner manual Appendix, Troubleshooting

APPENDIX

TROUBLESHOOTING

The operation does not work normally.

The remote control

doesn’t work

Power is suddenly

turned off

■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.

■Ensure that the batteries are installed with correct polarity (+ to +, - to -).

■Ensure that the correct remote operating mode is set: TV, VCR etc.

■Install new batteries.

■Is the sleep timer set?

■Check the power control settings. Power interrupted.

The video function does not work.

APPENDIX

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 pictures

No picture

when connecting HDMI

■Check whether the product is turned on.

■Try another channel. The problem may be with the broadcast.

■Is the power cord inserted into wall power outlet?

■Check your antenna direction and/or location.

■Test the wall power outlet, plug another product’s power cord into the outlet where the product’s power cord was plugged in.

■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.

■Adjust Color in menu option.

■Keep a sufficient distance between the product and the VCR.

■Try another channel. The problem may be with the broadcast.

■Are the video cables installed properly?

■Activate any function to restore the brightness of the picture.

■Check for local interference such as an electrical appliance or power tool.

■Station or cable product experiencing problems, tune to another station.

■Station signal is weak, reorient antenna to receive weaker station.

■Check for sources of possible interference.

■Check antenna (Change the direction of the antenna).

■Check HDMI cable over version 1.3.

The HDMI cables don’t support HDMI version 1.3, it cause flickers or no screen display. In this case use the latest cables that support HDMI version 1.3.

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