Dynex DX-32L100A13 User Manual (English) - Page 38

34 DX-32L100A13 Troubleshooting Use an eyeglass cleaner to clean the screen. Never use alcohol, paint thinner, or benzine. Before using a chemically treated cloth, read the instructions that came with the cloth. Do not spray insecticide liquid near your TV. Such chemicals may cause damage and discoloration to the exposed surfaces. Servicing Do not try to repair your TV yourself. There are no user-serviceable parts inside. Turn off your TV, unplug the power cord, then contact an authorized service center. Troubleshooting Warning Do not try to repair your TV yourself. Contact authorized service personnel. Video and audio Problem Solution Picture does not fill the screen. There are black bars around the picture. No picture (screen is not lit) and no sound. • Change the aspect ratio. An increasing amount of digital TV and movies are presented in wide screen (16:9). See "Adjusting the TV picture" on page 19. • Press on the TV or the remote control. • Make sure that the video cables are connected securely to the back of your TV. • Adjust the contrast and brightness. See "Adjusting the TV picture" on page 19. • Make sure that the power cord is plugged in. • Make sure that the correct video input source is selected. See "Selecting the video input source" on page 18. • Try another channel. The station may be experiencing problems. • Make sure that the incoming signal is compatible. • Make sure the antenna or cable TV is connected correctly and securely. See "Connecting a cable or satellite box" on page 8 or "Connecting an antenna or cable TV (no box)" on page 10. • Check the closed caption settings. Some TEXT modes can block the screen. 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. Problem Solution Dark, poor, or no picture (screen is lit), but sound is good. • 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 8 or "Connecting an antenna or cable TV (no box)" on page 10. • Make sure that Audio Only option is set to Off. See "Playing TV audio only" on page 21. • Adjust the brightness. See "Adjusting the TV picture" on page 19. • Make sure that the correct picture mode is selected. See "Adjusting the TV picture" on page 19. • 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 24. • 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 the back of your TV. • The video cable(s) you are using may be bad. Try a new set. No color, dark picture, or color is not correct. Only snow (noise) appears on the screen. • Try another channel. The station may be experiencing problems. • Adjust the color saturation. See "Adjusting the TV picture" on page 19. • Make sure that the video cables are connected correctly and securely to the back of your TV. • Make sure that the antenna or cable TV is connected correctly and securely. See "Connecting a cable or satellite box" on page 8 or "Connecting an antenna or cable TV (no box)" on page 10. • 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 24. • 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. • 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 8 or "Connecting an antenna or cable TV (no box)" on page 10. • 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 24. • 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.