Appendix; Troubleshooting - Sharp AQUOS LC-46LE925RU Operation Manual

Appendix

Troubleshooting

Problem
• No power.
• The TV cannot be operated.
• Remote control unit does not operate.
• Picture is cut off.
• Strange colour, light colour, or dark
colour, or colour misalignment.
• Power is suddenly turned off.
• No picture.
• No sound.
• The TV sometimes makes a cracking
sound.
CLEARING THE PIN
1
Go to "Menu" > "Setup".
2 Press a/b to select "Auto installation", "Programme setup", "PIN", "Parental rating" or "Reset", and
then press ;. The PIN input window will display.
3
Press and hold both :r and i+ on the TV simultaneously until the message appears on the
screen.
NOTE
• The PIN is also available for the Net TV function.
Reset
If complex adjustments are made so that the settings cannot be restored to normal, you can reset the settings to the
factory preset values.
1
Go to "Menu" > "Setup" > "View setting" > "Reset".
Press c/d to select "Yes", and then press ;.
2
• "Now, TV will restart automatically, OK?" displays on the screen.
Press c/d to select "Yes", and then press ;.
3
• "Now initialising..." displays on the screen and blinks.
• After the reset has completed, the power shuts off and then comes back on. The screen will have returned to its original settings.
NOTE
• PIN input is required when executing "Reset". The default PIN is "1234". To change the PIN setting, refer to Password/Lock settings
(Page 38). To clear the PIN setting (PIN input will no longer be needed), refer to CLEARING THE PIN (Page 69).
• "Reset" is greyed out in 3D mode. To select the "Reset" menu, you need to switch to 2D mode.
• Turn on (;) the MAIN POWER switch on the rear of the TV (Page 5).
• Is the AC cord disconnected?
• Check if you pressed <a on the TV.
• External influences such as lightning, static electricity, etc., may cause improper operation. In this
case, operate the TV after first turning off the power, or unplugging the AC cord and re-plugging it in
after one or two minutes.
• Are batteries inserted with polarity (e, f) aligned?
• Are batteries worn out? (Replace with new batteries.)
• Are you using it under strong or fluorescent lighting?
• Is a fluorescent light illuminating to the remote control sensor?
• Is the image position correct?
• Are screen mode adjustments (Wide mode) such as picture size made correctly? (Pages 42, 50 and 51)
• Adjust the picture tone.
• Is the room too bright? The picture may look dark in a room that is too bright.
• Check the "Colour system" setting (Pages 37 and 46).
• The TV's internal temperature has increased. Remove any objects blocking the vent or clean.
• Is the "Sleep timer" set? Select "Off" from the "Sleep timer" menu (Page 34).
• Is "No signal off" or "No operation off" activated? (Page 34)
• Are connections to external equipment correct? (Pages 24_26)
• Is the input signal type selected correctly after connection? (Page 45)
• Is the correct input source selected? (Page 19)
• Is a non-compatible signal being input? (Page 52)
• Is the picture adjustment correct? (Pages 30_31)
• Is the antenna connected properly? (Page 12)
• Is "On" selected in "Audio only"? (Page 34)
• Is the volume too low?
• If you do not clearly hear the sound for the visually impaired, go to "Menu" > "Setup" > "Audio" >
"Audio description setting" > "Mix level", and select the upper level to turn up the volume.
• Make sure that headphones are not connected.
• Check if you pressed e on the remote control unit.
• Is the proper item selected in the "Audio select" menu when connecting devices to the HDMI 2
terminal or the EXT 3 terminal? (Pages 24, 25 and 33)
• This is not a malfunction. This happens when the cabinet slightly expands and contracts according to
changes in temperature. This does not affect the TV's performance.
Possible solution
69