Sharp LC-20SH21U LC-20SH21U Operation Manual - Page 32

Troubleshooting Ƈ Before calling for repair services, make the following checks for possible remedies to the encountered symptoms. LCD TV set Problem Sound Picture There is no picture or sound. Check item • Make sure the AC cord is properly inserted in the power outlet. • Reception other than those of broadcasting stations can be considered. • Make sure the input mode is set to TV. • Make sure the POWER switch of the main unit is on. Reference page 10 - 16 16 • Make sure the Brightness is properly adjusted. 19 Picture There is no picture. There is no • Fluorescent lamp may have reached the end of service life. 34 picture from INPUT1/2/3/4. • Make sure the volume is not set to minimum. 16 • Make sure the sound is not set to mute. 16 There is no • Make sure that headphones are not connected. 11 sound. There is no picture or sound, just noise. • Make sure the antenna cable is properly connected. • Bad reception could be the problem. Picture is not clear. • Make sure the antenna cable is properly connected. • Bad reception could be the problem. 9, 10 - 9, 10 - • Check Color Settings. 19 Picture is light or improperly tinted. • Check Brightness, Contrast and Backlight Settings. 19 • Fluorescent lamp may have reached the end of service 34 The picture is too dark. life. • Check the batteries of the remote control. 8 Remote control does not work. • Make sure the remote sensor window is not in strong 8 lighting. Unit cannot be operated. ‡ ([WHUQDOLQÀXHQFHVVXFKDVOLJKWQLQJVWDWLFHOHFWULFLW\ - etc., may cause improper operation. In this case, RSHUDWHWKHXQLWDIWHU¿UVWWXUQLQJWKHSRZHURIIRU unplugging the AC cord and re-plugging it in 1 or 2 minutes. 32