Sharp LC-50LB370U User Guide - Page 70

Problem Solution Only snow (noise) appears on the screen. • Try another channel. The station may be experiencing problems. • Make sure that the antenna or cable TV is connected correctly and securely. See "Connecting a cable or satellite box" on page 14 or "Connecting an antenna or cable TV (no box)" on page 18. • If you are using an antenna, the digital channel signal may be low. To check the digital channel signal strength, see "Checking the digital signal strength" on page 52. • If you are using an antenna and the signal strength is low, adjust the antenna or use a highly directional outdoor antenna or set-top antenna with a built-in amplifier. Picture quality is good on some channels and poor on others. Sound is good. • The problem may be caused by a poor or weak signal from the broadcaster or cable TV provider. • If you connect to cable or satellite TV without a set-top box and experience poor picture quality, you may need to install a set-top box to improve signal reception and picture quality. Contact your cable or satellite TV provider about upgrading to a set-top box. LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV Problem Solution Dotted lines or stripes appear on the screen. • Make sure that the antenna or cable TV is connected correctly and securely. See "Connecting a cable or satellite box" on page 14 or "Connecting an antenna or cable TV (no box)" on page 18. • If you are using an antenna, the digital channel signal may be low. To check the digital channel signal strength, see "Checking the digital signal strength" on page 52. • If you are using an antenna and the signal strength is low, adjust the antenna or use a highly directional outdoor antenna or set-top antenna with a built-in amplifier. • Make sure that the video cables are connected securely to your TV. • The video cable(s) you are using may be bad. Try a new set. • Other devices (for example, a surround sound receiver, external speakers, fans, or hair dryers) may be interfering with your TV. Try turning off one device at a time to determine which device is causing interference. After you have determined which device is causing interference, move it further from the TV to eliminate the interference. Double images. • Use a highly directional outdoor antenna, cable TV, or satellite TV. The picture has a few bright or dark spots. • A few bright or dark spots on an LCD screen is normal. It does not affect the operation of your TV. Good picture, but no sound. • Increase the volume. • Make sure that the sound is not muted. • Make sure that the correct audio mode is selected. • Make sure that the audio cables are connected correctly and securely to your TV. • Make sure that the antenna or cable TV is connected correctly and securely. See "Connecting a cable or satellite box" on page 14 or "Connecting an antenna or cable TV (no box)" on page 18. • If you are using an antenna, the digital channel signal may be low. To check the digital channel signal strength, see "Checking the digital signal strength" on page 52. • The audio cable(s) you are using may be bad. Try a new set. 66