Troubleshooting - Sharp Aquos LC-15S5U Operation Manual

Troubleshooting
• Before calling for repair services, make the following checks for possible remedies to
th~
encountered symptoms.
Q-CD TV
set
I
Problem
Check item Reference page
There is no
picture or
sound.
• Make sure the AC cord is properly inserted in the power 9
outlet.
• Reception other than those of broadcasting stations can
be considered.
• Make sure the input mode is set to TV. 15
• Make sure the POWER switch of the main unit is on. 15
• Make sure the volume is not set to minimum. 16
• Make sure the sound is not set to mute. 16
• Make sure that headphones are not connected. 10
• Make sure the BRIGHTNESS is properly adjusted. 20
• Fluorescent lamp may have reached the end of service 34
life.
• Make sure the S-VIDEO terminal has nothing connected. 13
• Make sure the AUDIO ONLY is not set to ON. 30
There is no
picture.
There is no
picture from
INPUT1/2/3.
There is no
sound.
There is no
picture or
sound, just
noise.
~----------------------...:;;;,I
Picture is not
clear.
,.,;,------------------------.;;J
• Make sure the antenna cable is properly connected.
• Bad ·reception could be the problem.
• Make sure the antenna cable is properly connected.
• Bad reception could be the problem.
8, 9
8, 9
Picture is light
or improperly
tinted.
The picture is
too dark.
• Check color adjustment.
• Press the BACKLIGHT button or set the BACKLIGHT or
BRIGHTNESS settings.
• Check CONTRAST and BRIGHTNESS adjustment.
• Fluorescent lamp may have reached the end of service
life.
20,21
20
20
34
Remote control does not work.
Unit cannot be operated.
• Check the batteries of the remote control.
• Make sure the remote sensor window is not in strong
lighting.
• 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.
7
7
@
33