Toshiba 20V300H Instrukcja obsługi - Strona 25
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Troubleshooting
Before calling a service technician, please check
the following table for a possible cause of the
symptom and some solutions.
Symptom and solution
TV will not turn on
• Make sure the power cord is plugged in,
then press f/I or f.
• The remote control batteries may be dead.
Replace the batteries.
No picture, no sound
• Check the antenna connections.
No sound, picture OK
• The sound may be muted. Press ; +,
s
; – or
.
• The station may have broadcast diffi culties.
Try another channel.
Poor sound, picture OK
• The station may have broadcast diffi culties.
Try another channel.
Poor picture, sound OK
• Check the antenna connections.
• The station may have broadcast diffi culties.
Try another channel.
• Adjust the PICTURE menu.
Poor reception of broadcast channels
• Check the antenna connections.
• The station may have broadcast diffi culties.
Try another channel.
• Make sure the Color system is properly set.
Teletext problems
• Check the antenna connections.
Good performance of text depends on a
good strong broadcast signal.
Multiple images
• The station may have broadcast diffi culties.
Try another channel.
• Antenna reception may be poor. Use a high
directional outdoor antenna.
• Check if the direction of the antenna has
changed.
Poor color or no color
• The station may have broadcast diffi culties.
Try another channel.
• Adjust the Tint and/or Color in the
PICTURE menu.
Reference section
The remote control does not operate
• Remove all obstructions between the
remote control and the remote control
sensor on the TV.
• The remote control batteries may be dead.
Replace them with new ones.
Some pixels of the screen do not light
up
• The LCD display panel is manufactured
using an extremely high level of precision
technology, however, sometimes some
pixels of the screen may be missing picture
elements or have luminous spots. This is not
a sign of a malfunction.
The brightness of the screen comes
down, or fl ickers of the screen are
caused, or some parts of the screen do
not light up.
• When you just buy and start to use this TV,
a fl ickering may be caused in the screen. In
this case, switch off the TV, then switch on it
again to cure the condition.
• The cold cathode fl uorescent lamp used
for the back light on this TV has longevity.
When the brightness of the screen comes
down, or the fl ickers of the screen are
caused, or some parts of the screen do
not light up, it may reach the end of its life.
Contact a service technician.
The picture brightness varies when you
display switch the TV on.
• If you switch the TV on at 0°C and under,
wait until the warms up.
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