Insignia NS-39D400NA14 User Manual (English) - Page 75

Insignia 39" 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 12 or "Connecting an antenna or cable TV (no box)" on page 17. • 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 48. • 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. Problem Solution Good picture, but no sound. • Increase the volume. • Make sure that the sound is not muted. • Make sure that you do not have headphones connected. When headphones are connected, no sound comes from the TV speakers. • 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 12 or "Connecting an antenna or cable TV (no box)" on page 17. • 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 48. • The audio cable(s) you are using may be bad. Try a new set. Poor picture. • Make sure that the room is not too bright. Light reflecting off the screen can make the picture difficult to see. • If an S-VHS camera or a camcorder is connected while another connected device is turned on, the picture may be poor. Turn off one or more devices. Good sound, but poor color. • Adjust the contrast, color, and brightness settings. See "Adjusting the TV picture" on page 40. Audio noise. • 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. www.insigniaproducts.com 70