Toshiba 37A3500A - Manual (Page 32)

32
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 ! or 1.
• 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 I, i or u.
• The station may have broadcast difficulties.
Try another channel.
Poor sound, picture OK
• The station may have broadcast difficulties.
Try another channel.
Poor picture, sound OK
• Check the antenna connections.
• The station may have broadcast difficulties.
Try another channel.
• Adjust the PICTURE menu.
Poor reception of broadcast channels
• Check the antenna connections.
• The station may have broadcast difficulties.
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.
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 flickers 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 flickering 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 fluorescent lamp used for
the back light on this TV has longevity. When
the brightness of the screen comes down,
or the flickers 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.
Multiple images
• The station may have broadcast difficulties.
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 difficulties.
Try another channel.
• Adjust the Tint and/or Color in the
PICTURE menu.
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.
Reference section