Sharp LC-C5262U Service Manual - Page 10

LC-C4662U/LC-C5262U Appendix Troubleshooting Problem No power Unit cannot be operated. Remote control unit does not operate. Picture is cut off/with sidebar screen. Possible Solution Check if you pressed TV POWER on the remote control unit. If the indicator on the TV does not light up, press POWER on the TV. Is the AC cord disconnected? Has the power been turned on? External influences such as lightning, static electricity, may cause improper operation. In this case, operate the unit after first turning on the power of the TV or unplugging the AC cord and replugging it in after 1 or 2 minutes. Is the FUNCTION set Are batteries inserted correctly? Set with polarity ( it +, t_o the TV setting ) aligned? position. Are batteries worn out? (Replace with new batteries.) Are you using it under strong or fluorescent lighting? Is a fluorescent light illuminated near the remote control sensor? Is the image position correct? Are screen mode adjustments such as picture size made correctly? Strange color, light color, or color misalignment Power is suddenly turned off. No picture No sound The TV sometimes makes a cracking sound. Adjust the picture tone. Is the room too bright? The picture may look dark in a room that is too bright. Check the input signal setting. Is the sleep timer set? Check the power control settings. The unit's internal temperature has increased. Remove any objects blocking vent or clean. Is connection to other components correct? Is correct input signal source selected after connection? Is the correct input selected? Is picture adjustment correct? Is "On" selected in "Audio Only"? Is a non-compatible signal being input? Is the volume too low? Is "Variable" selected in "Output Select"? Have you pressed MUTE on the remote control unit? This is not a malfunction. This happens when the cabinet slightly expands and contracts according to change in temperature. This does not affect the TV's performance. Troubleshooting-Digital broadcasting The error message about reception of broadcast The example of an error message displayed on a screen Error code Failed to receive broadcast. E202 Possible Solution Check the antenna cable. Check that the antenna is correctly setup. No broadcast now. E203 Check the broadcast time in the program guide. Cautions regarding use in high and low temperature environments When the unit is used in a low temperature space (e.g. room, office), the picture may leave trails or appear slightly delayed. This is not a malfunction, and the unit will recover when the temperature returns to normal. Do not leave the unit in a hot or cold location. Also, do not leave the unit in a location exposed to direct sunlight or near a Shetoartaegr,eatesmthpisermatauyrec:a_us4e°Fthteo c+a1b4in0e°tFto(_d2e0fo°rCmtoan+d the Liquid 60°C) Crystal panel to malfunction. 2 - 4