Troubleshooting - Toshiba 34HFX83 Owner's Manual

Troubleshooting

Before calling a service technician, please check the following table for a possible cause of the problem and
some solutions.
Problem
TV will not turn on
No picture, no sound
No sound, picture OK
Poor picture, sound OK
Poor reception of broadcast channels
Cannot receive above channel 13
Black box appears on the screen
Unable to select a certain channel
Multiple images
Poor color or no color
No stereo or SAP sound from a
known MTS broadcast
The front panel buttons do not operate
The remote control does not operate
Cannot access signal input sources
(Video1, Video2, Video3,
ColorStream HD1/HD2, DVI/HDCP)
and/or Channels 3 and 4.
60
Solution
• Make sure the power cord is plugged in, then press POWER.
• The remote control batteries may be dead. Replace the batteries.
• Check the antenna/cable connections.
• The sound may be muted. Press VOLUME.
• The station may have broadcast difficulties. Try another channel.
• Make sure the SPEAKERS function in the AUDIO menu is set properly.
• Make sure the AUDIO CENTER CHANNEL switch is set properly.
• if the MTS feature is in SAP mode, change it to STEREO mode.
• Check the antenna connections.
• The station may have broadcast difficulties. Try another channel.
• Adjust the PICTURE menu.
• Make sure your other devices are connected to the TV correctly.
• The station may have broadcast difficulties. Try another channel.
• Check the antenna connections.
• If you are using a VCR, make sure the TV/VCR button on the remote
control is set correctly.
• Make sure the mode selector on the remote control switch is set to the
mode that corresponds with the signal source type (cable company or
outside antenna).
• The closed caption feature may be set to one of the Text modes (T1, T2,
T3, or T4). Turn closed captioning OFF.
• The channel may be locked with the CH LOCK feature, or erased with
the ADD/ERASE feature.
• The station may have broadcast difficulties. Try another channel.
• Antenna reception may be poor. Use a highly directional outdoor
antenna.
• The station may have broadcast difficulties. Try another channel.
• Adjust the TINT and/or COLOR in the PICTURE menu.
• Make sure the MTS feature is set properly.
• Check the FRONT PANEL LOCK feature.
• Make sure the appropriate device mode on the remote control 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.
• Check the VIDEO LOCK feature.