Reference Section; Troubleshooting; Symptom And Solution - Toshiba 15CL7A Owner's Manual

Reference section

Troubleshooting

Before calling a service technician, please check the following table for a possible cause of the symptom and some
solutions.

Symptom and solution

Symptom
TV will not turn on
No picture, no sound
No sound, picture OK
Poor sound, picture OK
Poor picture, sound OK
Poor reception of broadcast channels
Teletext problems
Multiple images
Poor colour or no colour
The remote control does not operate
Some parts of the screen do not light up
The picture brightness is reduced, the
screen flickers, or some parts of the
screen do not light up
The picture brightness varies when you
turn on the TV
• Make sure the power cord is plugged in, then press
• The remote control batteries may be dead. Replace the batteries.
• Check the aerial connections.
• The sound may be muted. Press
• The station may have broadcast difficulties. Try another channel.
• The station may have broadcast difficulties. Try another channel.
• Check the aerial connections.
• The station may have broadcast difficulties. Try another channel.
• Adjust the Picture menu.
• Check the aerial connections.
• The station may have broadcast difficulties. Try another channel.
• Check the aerial connections.
Good performance of text depends on a clear, strong broadcast signal.
• The station may have broadcast difficulties. Try another channel.
• Reorient aerial.
• Aerial reception may be poor. Use a highly directional outdoor aerial.
• The station may have broadcast difficulties. Try another channel.
• Adjust the Tint and/or Colour in the Picture menu.
• Remove all obstructions between the remote control and the remote
control sensor in the TV.
• The remote control batteries may be dead. Replace them with new
ones.
• The LCD display panel is manufactured using an extremely high
level of precision technology; however, sometimes some parts of the
screen may be missing picture elements or have luminous spots. This
is not a sign of a malfunction.
• When you first buy and start to use this TV, the screen may flicker.
If this happens, turn off the TV, then turn it on again.
• The cold cathode fluorescent lamp used for the back light on this TV
has a limited service life. When the picture brightness fades, the
screen flickers, or some parts of the screen do not light up, the lamp
may be at the end of its useful life.
• If you turn on the TV in an area with a temperature of 0°C or lower,
wait until the display warms up.
Solution
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