Sharp LC-10A3US LC-10A3U LC-10A3UB LC-10A3US Operation Manual - Page 31

TROUBLESHOOTING I Before calling for repair service, check the following items for possible remedies to the encountered symptoms. TV set Problem Sound Picture There is no picture or sound. There is no Picture picture. There is no picture from AV-IN 1. There is no sound. Check item Reference Pages • Make sure the AC adapter is properly inserted in the 18 power outlet. • Reception other than those of broadcasting stations can be considered. • Make sure the input mode is set to TV. 14 • Make sure the main power switch of the main unit is 14 on. • Make sure the BLACK LEVEL is properly adjusted. • Fluorescent lamp may have reached the end of service life. • Make sure the S-Video terminal is free of connections. 20, 21 - 29 • Make sure the volume is not set to minimum. 15 • Make sure the sound is not set to mute. 15 • Make sure the headphone is not connected. 27 • Make sure the antenna cable is properly connected. 9 There is no • Bad reception can be considered. - picture or sound, just noise. • Make sure the antenna cable is properly connected. 9 • Bad reception can be considered. - Picture is not clear. Picture is light or improperly tinted. • Check color adjustment. • Check color system setting. The picture is too dark. • Press the Brightness button. • Check PICTURE and BLACK LEVEL adjustment. • Fluorescent lamp may have reached the end of service life. 20, 21 20, 21 33 • Check to see if batteries in the remote control have 8 Remote control does not work. sufficient power. • Make sure the remote sensor window is not under 8 strong fluorescent lighting. 31