Sharp LC-22AA1M Satellite TV System User Manual


 
37
Troubleshooting
Before calling for repair service, check the following items for possible remedies to the encountered symptoms.
TV set
Problem Check item
Reference
Pages
There is no
picture.
There is no
picture from
AV-IN 1/2.
6
11
11
Make sure the AC adapter 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 MAIN POWER switch of the main unit is
on.
There is no
picture or
sound.
Make sure the “Black level” is properly adjusted.
Fluorescent lamp may have reached the end of
service life.
Make sure the S-Video terminal is free of connections.
There is no
sound.
Make sure the volume is not set to minimum.
Make sure the sound is not set to mute.
There is no
picture or
sound, just
noise.
Make sure the antenna cable is properly connected.
Bad reception can be considered.
Picture is not
clear.
Make sure the antenna cable is properly connected.
Bad reception can be considered.
Picture is light
or improperly
tinted.
Check colour adjustment.
(NTSC mode)
The picture is
too dark.
Check if “Brightness” is set to “Dark”.
Check “Contrast” and “Black level” adjustment.
Fluorescent lamp may have reached the end of
service life.
Remote control does not work.
Check if batteries in the remote control have sufficient
power.
Make sure the remote sensor window is not under
strong fluorescent lighting.
16
39
35
12
12
6
6
16
19
16
39
5
5
Sound
Picture
Picture
Unit cannot be operated.
External influences such as lightning, static electricity,
etc., may cause improper operation. In this case,
operate the unit after first turning the power off the
LCD TV unit, or unplugging the AC cord and re-
plugging it in after 1 or 2 minutes.
lc22aa1m_en_p36_40 04.2.25, 3:14 PM37