Toshiba 50L3400U User's Guide for 40L3400U and 50L3400U Series TV's - Page 120

Troubleshooting - review

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Chapter 8 Troubleshooting General troubleshooting Before calling a service technician, review this chapter or visit the Toshiba technical 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 "Using closed captions" on page 68. 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. Other problems. If your TV's problem is not addressed in this Troubleshooting section or the recommended solution has not worked, use the Reset Factory Defaults procedure, see "Resetting Factory Defaults" on page 53. 120

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120
Chapter 8
Troubleshooting
General troubleshooting
Before calling a service technician, review this chapter or visit the
Toshiba technical 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
“Using closed
captions” on page 68.
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.
Other problems.
If your TV’s problem is not addressed in this Troubleshooting
section or the recommended solution has not worked, use the Reset
Factory Defaults procedure, see
“Resetting Factory Defaults” on
page 53.