LG RU-42PZ90 Owners Manual - Page 41

Troubleshooting Checklist Troubleshooting Checklist No picture & No sound • Check whether the TV is turned on. • Power cord inserted into wall outlet? • Test the wall power outlet, plug other product's power cord into the wall outlet where the TV's power cord was plugged in. Picture OK & No sound • Press the VOLUME (G ) button. • Sound muted? Press MUTE button. The remote control doesn't work • 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.9) • Install new batteries. (Refer to p.9) Picture appears slowly after switching on • This is normal as the image is muted during the startup process of the TV. 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 PICTURE menu and press the VOLUME (G ) button. (Refer to p.19) • 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. Owner's Manual 41