Sharp LC-20SH21U Flat Panel Television User Manual


 
32
Troubleshooting
Ƈ
Before calling for repair services, make the following checks for possible remedies to the encountered symptoms.
Problem Check item
Reference page
There is no
picture or
sound.
Make sure the AC cord is properly inserted in the power
outlet.
Reception other than those of broadcasting stations can
be considered.
Make sure the input mode is set to TV.
Make sure the POWER switch of the main unit is on.
10
16
16
There is no
picture.
There is no
picture from
INPUT1/2/3/4.
Make sure the Brightness is properly adjusted.
Fluorescent lamp may have reached the end of service
life.
19
34
There is no
sound.
Make sure the volume is not set to minimum.
Make sure the sound is not set to mute.
Make sure that headphones are not connected.
16
16
11
There is no
picture or
sound, just
noise.
Make sure the antenna cable is properly connected.
Bad reception could be the problem.
9, 10
Picture is not
clear.
Make sure the antenna cable is properly connected.
Bad reception could be the problem.
9, 10
Picture is light
or improperly
tinted.
Check Color Settings.
19
The picture is
too dark.
Check Brightness, Contrast and Backlight Settings.
Fluorescent lamp may have reached the end of service
life.
19
34
Remote control does not work.
Check the batteries of the remote control.
Make sure the remote sensor window is not in strong
lighting.
8
8
Unit cannot be operated.
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etc., may cause improper operation. In this case,
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unplugging the AC cord and re-plugging it in 1 or 2
minutes.
Sound
Picture
Picture
LCD TV set