Sharp LC-32DV28UT LC-26DV28UT LC-32DV28UT Operation Manual - Page 40
Troubleshooting, Troubleshooting-PC mode, Troubleshooting-Error Message - lcd tv
UPC - 074000372405
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Appendix Troubleshooting Problem Possible Solution • No power • Check if you pressed POWER on the TV/DVD, or on the remote control unit. (See page 20.) • Is the AC cord disconnected? (See page 9.) • Has the power been turned on? (See page 20.) • Unit cannot be operated. • External influences such as lightning, static electricity, may cause improper operation. In this case, operate the unit after first turning off the power of the TV/ DVD or unplugging the AC cord and replugging it in after 1 or 2 minutes. • Remote control unit does not operate. • Are batteries inserted with polarity (+, -) aligned? (See page 10.) • 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? • Picture is cut off/with sidebar screen. • Are screen mode adjustments such as view mode choose made correctly? (See page 22.) • Strange color, light color, or color • Adjust the picture tone. (See page 28.) misalignment • Is the room too bright? The picture may look dark in a room that is too bright. • Power is suddenly turned off. • Is the sleep timer set? (See page 13.) • Check the Auto Shut Off settings. (See page 28.) • The unit's internal temperature has increased. Remove any objects blocking vent or clean. • No picture • Is connection to other components correct? (See page 15.) • Is correct input signal source selected after connection? (See page 15.) • Is the correct input selected? (See page 15.) • Is picture adjustment correct? (See page 28.) • No sound • Is the volume too low? (See page 13.) • Have you pressed MUTE on the remote control unit? (See page 13.) • Is connection to other components correct? (See pages 15-19.) • Is "Off " selected in "Speakers"? (See page 28.) • Check the audio output of the connected external equipment. Is the volume too low or mufed? • When external equiprnent is connected via an HDMI cable, you may need to configure the audio to be output through the HDMI cable. • The TV sometimes makes a cracking sound. • 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-Error Message The example of an error message displayed on a screen • Digital channel signal strength is low • Digital channel is scrambled • Audio only Possible Solution • Check the antenna cable. Check that the antenna is correctly setup. • It is subscription channel. Contact the service provider. • The channel has audio contents only. Troubleshooting-PC mode Problem Possible Solution • There is no image. • Make sure the RGB cable is properly connected. (See page 19.) • Make sure the output signal of the PC and the input signal setting of the LCD TV set are matched. (See page 19.) • Some software prohibit video playback on an external display when playing back a video with a notebook PC. This is not attributable to a problem with the LCD TV set. • There is no sound. • Make sure the PC audio cable is properly connected. (See page 19.) • Check if the mute function activates, or if the volume is set to minimum. (See page 13.) • The text is blurred. • Adjust "Clock" and "Phase" using the PC Setting menu. (See page 28.) • The image is not displayed in the • Adjust "Hor Position" and "Ver Position" using the PC Setting menu. (See page 28.) center of the screen. 38