Sharp LC-19DV28UT User Manual

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Appendix
Troubleshooting
Troubleshooting-PC mode
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 
misalignment
•  Adjust the picture tone. (See page 28.)
•  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.)
•  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.
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 TV/DVD 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 TV/DVD 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 
center of the screen.
•  Adjust “Hor Position” and “Ver Position” using the PC Setting menu. (See page 28.)
Troubleshooting-Error Message
The example of an error 
message displayed on a screen
Possible Solution
•  Digital channel signal strength is 
low
• Check the antenna cable. Check that the antenna is correctly setup.
•  Digital channel is scrambled
• It is subscription channel. Contact the service provider.
•  Audio only
• The channel has audio contents only.
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