Sharp Aquos LC-20S5U Betriebshandbuch - Seite 37

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Troubleshooting

■ Before calling for repair services, make the following checks for possible remedies to the encountered symptoms.
LCD TV set
Problem
Picture
Sound
Picture
Remote control does not work.
The clock (AUTO CLOCK) cannot
be set.
Unit cannot be operated.
LC-20S5U_E.indb
35
• Make sure the AC cord is properly inserted in the power
outlet.
There is no
• Reception other than those of broadcasting stations can
picture or
be considered.
sound.
• Make sure the input mode is set to TV.
• Make sure the POWER switch of the main unit is on.
• Make sure the BRIGHTNESS is properly adjusted.
There is no
• Fluorescent lamp may have reached the end of service
picture.
life.
There is no
• Make sure the S-VIDEO terminal has nothing connected.
picture from
INPUT1/2/3.
• Make sure the AUDIO ONLY is not set to ON.
• Make sure the volume is not set to minimum.
• Make sure the sound is not set to mute.
There is no
• Make sure that headphones are not connected.
sound.
• Make sure the antenna cable is properly connected.
There is no
• Bad reception could be the problem.
picture or
sound, just
noise.
• Make sure the antenna cable is properly connected.
• Bad reception could be the problem.
Picture is not
clear.
• Check color adjustment.
• Check COLOR SYSTEM setting.
Picture is light
or improperly
tinted.
• Press the BACKLIGHT button or set the BACKLIGHT or
BRIGHTNESS settings.
The picture is
• Check CONTRAST and BRIGHTNESS adjustment.
too dark.
• Fluorescent lamp may have reached the end of service
life.
• Check the batteries of the remote control.
• Make sure the remote sensor window is not in strong
lighting.
• The broadcasted EDS signal may be weak. Check the
antenna.
• Carry out EZ SETUP or Setting the CLOCK again.
• If EDS signal is not sent, set the clock using MANUAL
CLOCK Setting.
• External influences such as lightning, static electricity,
etc., may cause improper operation. In this case,
operate the unit after first turning the power off, or
unplugging the AC cord and re-plugging it in 1 or 2
minutes.
Check item
Reference page
9
–
17
16
21
36
13
32
17
17
10
8, 9
–
8, 9
–
21, 22
25
21
21
36
7
7
–
14, 15, 24
15
–
35
2005/12/15
11:20:01