Read Sharp LC-22SV2E (serv.man30) User Guide / Operation Manual online
41
Troubleshooting
Before calling for repair services, make the following checks for possible remedies to the symptoms encountered.
LCD TV set
Reference
page
Picture
There is no
picture or sound.
picture or sound.
There is no
picture.
There is no
picture from
AV-IN 2.
picture.
There is no
picture from
AV-IN 2.
There is no
sound.
sound.
Picture is not
clear.
clear.
Picture is too
light or
improperly
tinted.
light or
improperly
tinted.
The picture is
too dark.
too dark.
Remote control does not work.
There is no
picture or sound,
just noise.
picture or sound,
just noise.
Sound
Picture
Problem
Check item
• Make sure the AC adapter is properly inserted in the power
outlet.
• Reception other than that of broadcasting stations could be the
problem.
• Make sure the input mode is set to TV.
• Make sure the main power switch of the main unit is on.
• Make sure the main power switch of the main unit is on.
• Make sure Picture adjustment is properly adjusted.
• The fluorescent lamp may have reached the end of its service
• The fluorescent lamp may have reached the end of its service
life.
• Make sure the S-Video terminal has nothing connected.
• Make sure the volume is not set to minimum.
• Make sure the sound is not set to mute.
• Make sure the headphones are not connected.
• Make sure the sound is not set to mute.
• Make sure the headphones are not connected.
• Make sure the antenna cable is properly connected.
• Bad reception could be the problem.
• Bad reception could be the problem.
• Make sure the antenna cable is properly connected.
• Bad reception could be the problem.
• Bad reception could be the problem.
• Check the colour adjustment.(NTSC mode)
• Check if “Brightness” is set to “dark”.
• Check “Contrast” and “Black level”.
• The fluorescent lamp may have reached the end of its service
• Check “Contrast” and “Black level”.
• The fluorescent lamp may have reached the end of its service
life.
• Check if batteries in the remote control have sufficient power.
• Make sure the remote sensor window is not under strong
• Make sure the remote sensor window is not under strong
lighting.
6
–
11
11
11
15
–
39
12
12
12
9
6
–
–
6
–
–
15
23
15
15
–
5
5
5
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