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Appendix
14VL43U, 20VL43U(E/F/S)
28
Troubleshooting
Before calling a service technician, please check the following table for a possible cause of the problem and some
solutions.
Problem Solution
TV will not turn on • Make sure the power cord is plugged in, then press POWER.
• 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 (VOL).
• The station may have broadcast difficulties.
Tr y another channel.
Poor sound, picture OK • The station may have broadcast difficulties.
Tr y another channel.
Poor picture, sound OK • Check the antenna connections.
• The station may have broadcast difficulties.
Tr y another channel.
• Adjust the PICTURE menu.
Poor reception of broadcast channels • The station may have broadcast difficulties.
Tr y another channel.
• Check the antenna connections.
Cannot receive above channel 13 • Make sure TV/CABLE is set to CABLE mode.
Black box appears on the screen • The closed caption feature may be set to one of the Text modes
(T1,T2, T3, or T4). Turn closed captioning OFF.
Unable to select a certain channel • The channel may be blocked out with the V-Chip feature, or Erased
with the add/erase feature.
Multiple images • The station may have broadcast difficulties.
Tr y another channel.
• Use a highly directional outdoor antenna.
Poor color or no color • The station may have broadcast difficulties.
Tr y another channel.
• Adjust the TINT and/or COLOR in the PICTURE menu.
No stereo or SAP sound from a known • Make sure the MTS feature is set properly.
MTS broadcast
The remote control does not operate • There may be an obstruction between the remote control and the
remote control sensor.
• The remote control batteries may be dead.
Replace the batteries.
The V-Chip PIN code does not work • Change or reset your PIN code (see page 17 or 20).
14VL43U(E) 27-30 03.3.4, 9:48 AM28