LG 42LC7D Owner's Manual (English) - Page 80

APPENDIX TROUBLESHOOTING The operation does not work normally. The remote control doesn't work I 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. I Ensure that the batteries are installed with correct polarity (+ to +, - to -). I Ensure that the correct remote operating mode is set: TV, VCR etc. I Install new batteries. Power is suddenly turned off I Is the sleep timer set? I Check the power control settings. Power interrupted. I No broadcast on station tuned with Auto off activated. APPENDIX The video function does not work. No picture &No sound I Check whether the product is turned on. I Try another channel. The problem may be with the broadcast. I Is the power cord inserted into wall power outlet? I Check your antenna direction and/or location. I Test the wall power outlet, plug another product's power cord into the outlet where the product's power cord was plugged in. Picture appears slowly I This is normal, the image is muted during the product startup process. Please after switching on contact your service center, if the picture has not appeared after five minutes. No or poor color or poor picture I Adjust Color in menu option. I Keep a sufficient distance between the product and the VCR. I Try another channel. The problem may be with the broadcast. I Are the video cables installed properly? I Activate any function to restore the brightness of the picture. Horizontal/vertical bars or picture shaking I Check for local interference such as an electrical appliance or power tool. Poor reception on some channels I Station or cable product experiencing problems, tune to another station. I Station signal is weak, reorient antenna to receive weaker station. I Check for sources of possible interference. Lines or streaks in pictures I Check antenna (Change the direction of the antenna). 78