Maintenance; Troubleshooting - OK. OLC 190-B D2 Gebrauchsanweisung

en

Maintenance

cleaning the lcd panel
The LCD panel should not be touched with sharp
objects. If the LCD surface shows dust and finger-
prints, wipe them off with a clean soft cloth. Wipe in a
straight motion from the center to the frame of the
LCD panel. Make sure not to use chemicals such as
record cleaning sprays, antistatic sprays or fluids,
benzene or thinner to clean the LCD panel.
warninG: For your personal safety, be sure to disconnect the AC power supply cord before proceeding with
any maintenance or cleaning action.

troubleshootinG

sYMptoM
No picture and sound
No sound
Monochrome or no picture at all
Sound or picture interferences
note: A few bright dots and dark dots may appear on the TV screen, that is normal appearance.
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cleaning the main unit
Clean the outside of the unit with a clean soft cloth
moistened with luke-warm water. Do not use benzene,
thinner or alcohol, they may mar the finish of the
surface.
POSSIBLE CAUSE
Power supply cord is not correctly
conected with the main unit.
Power supply cord is not plugged into
an AC outlet.
The wrong input source is selected.
The input source fails to connect with
the TV.
Volume is set to minimum.
The MUTE button on the remote
control is pressed.
An incorrect sound system mode is
set.
The colour system setting does not
match the program.
The sound system setting does not
match the program.
Interfering equipment is nearby the TV. Keep any kind of interfering
There is a multiway connector plugged
into the same AC outlet as the TV.
An incorrect sound system mode is
set.
CORRECTIVE ACTION
Connect the power supply cord
with the main unit.
Plug the power supply cord into
an AC outlet.
Select the correct input source.
Check the connections.
Turn up the volume by pressing
VOL +.
Press MUTE on the remote
control or + VOL –.
Set a correct sound system from
the main menu to match your TV.
Make sure the proper colour
system is set.
Make sure the proper sound
system is set.
devices away from the TV.
Plug the TV into another AC
outlet.
Set a correct sound system from
the main menu to match your TV.