LG DU-37LZ30 Owners Manual - Page 44
GT Groubleshooting Checklist - troubleshooting
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Troubleshooting Checklist Troubleshooting Checklist No picture & No sound • Check whether the TV is turned on. • Is the power cord inserted into wall power outlet? • Test the wall power outlet, plug another product's power cord into the outlet where the TV's power cord was plugged in. Picture OK & No sound The remote control doesn't work • Press the VOLUME (G) button. • Sound muted? Press MUTE button. • Check to see if there is any object between the TV and the remote control causing obstruction. • Are batteries installed with correct polarity (+ to +, - to -)? (Refer to p.8) • Correct remote operating mode set: TV, VCR etc.? • Install new batteries. (Refer to p.8) Picture appears slowly after switching on • This is normal, the image is muted during the TV startup process. Please contact your service center, if the picture has not appeared after five minutes. No or poor color or poor picture • Select Color in the Video menu and press the VOLUME (G) button. (Refer to p.21) • Keep a sufficient distance between the TV and the VCR. • Activate any function to restore the brightness of the picture. (If still picture is on the screen for more than 5 minutes, the screen gets dark.) Horizontal/vertical bars or picture shaking • Check for local interference such as an electrical appliance or power tool. No output from one of the speakers • Adjust Balance in the AUDIO menu. (Refer to p.23) Unusual sound from inside the TV • A change in ambient humidity or temperature may result in an unusual noise when the plasma display is turned on or off and does not indicate a fault with the TV. 44