Chapter 10: Troubleshooting; General Troubleshooting - Toshiba 39L4300UM User Manual

Chapter 10
Troubleshooting

General troubleshooting

Before calling a service technician, review this chapter or visit the
Toshiba Support Web site at "support.toshiba.com" for possible causes/
solutions for the problem you are experiencing.
Before you begin to troubleshoot any problem, first unplug the TV from
the AC wall outlet, wait approximately one minute, and then plug the
TV back into the AC wall outlet. If the problem still exists attempt to
troubleshoot the problem.
Black box on screen.
The closed caption feature is set to one of the Text modes (T1, T2, T3, or
T4). Set the closed caption feature to Off, see
page 72.
TV stops responding to controls.
If the TV stops responding to the buttons on the remote control or TV
control panel and you cannot turn off the TV, unplug the TV from the AC
wall outlet and plug it back in.
If you cause a static discharge when touching the TV and the TV fails to
function, simply unplug the TV from the AC outlet and plug it back in.
The TV should return to normal operation.
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"Using closed captions" on