Toshiba 23L2300U User's Guide for L1350U and L2300U Series TV's - Page 103
Troubleshooting, General troubleshooting
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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 69 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, press and hold POWER button on the TV control panel for several seconds to reset the TV. If the TV does not power off using this method, 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. 103