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Toshiba 62/72CM9UA/E (E)
Reference section
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 Solution
TV will not turn on • Make sure the power cord is plugged in, then press .
• The remote control batteries may be dead. Replace the batteries.
• The lamp unit may need to be replaced (page 8). Also see “LED
indications” on page 45.
No picture, no sound • Check the antenna connections.
No sound, picture OK • The sound may be muted. Press +, – or .
• The station may have broadcast difficulties. Try another channel.
• Check that the Speaker function in SOUND menu is properly set.
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.
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.
No picture or too dark • The lamp unit may need to be replaced (page 8).
The remote control does not operate • 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.
• Check that the TV/VCR/DVD switch on the remote control is
properly set.
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