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Appendix
32
(E) 1520DL75
Troubleshooting
Before calling a service technician, please check the following table for a possible cause of the symptom and
some solutions.
Symptom Solution
TV will not turn on • Make sure the power cord is plugged in, then press POWER.
• Make sure the appropriate device mode on the remote control is
selected.
• The remote control batteries may be dead. Replace the batteries.
No picture, no sound • Check the antenna/cable connections.
No sound, picture OK • The sound may be muted. Press VOLUME.
• 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 • The station may have broadcast difficulties. Try another channel.
• Check the antenna connections.
Black box appears on the screen • The closed caption feature may be set to one of the Text modes
(Text1, Text2, Text3, or Text4). Turn closed captioning Off.
Unable to select a certain channel • The channel may be erased with the Manual programming feature.
Multiple images • The station may have broadcast difficulties. Try another channel.
• Antenna reception may be poor. Use a highly directional outdoor
antenna.
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 stereo or SAP sound from a • Make sure the MTS feature is set properly.
known MTS broadcast
The top panel buttons do not operate • Check the Panel lock feature.
The remote control does not operate • Make sure the appropriate device mode is selected.
• Remove all obstructions between the remote control and the remote
control sensor in the TV.
• The remote control batteries may be dead. Replace the batteries.
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