Toshiba 50L2200U User Guide - Page 115
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Troubleshooting Picture problems 115 Other problems. If your TV's problem is not addressed in this Troubleshooting section or the recommended solution has not worked, then use the Reset Factory Defaults procedure. For instructions, see "Resetting Factory Defaults" on page 54. TV will not turn on. Ensure the power cord is plugged in properly, and then press the POWER button. Replace the batteries in the remote control. For instructions, see "Installing batteries" on page 36. Try the control panel buttons on the TV. Picture problems General picture problems. Check the antenna/cable connections. For instructions, see "Connecting Your TV" on page 21. Press the INPUT button on the remote control or on the TV, and then select a valid video input source (see "Selecting the video input source" on page 55). If no device is connected to an input on the TV, no picture appears when you select that particular input source. For device connection details, see "Connecting Your TV" on page 21. Antenna reception may be poor. Use a highly directional outdoor antenna (if applicable). The station may be having broadcast difficulties. Try another channel. Adjust the picture quality. For instructions, see "Using the advanced picture settings" on page 109. Cannot view external signals or channel 3 or 4. If you cannot view signals from external devices connected to VIDEO, ColorStream® HD, HDMI 1, HDMI 2, PC, or from channel 3 or 4, ensure that the Input Lock is set to Off. For instructions, see "Using the Locks menu" on page 83. Noisy picture. If you are watching an analog channel (off-air broadcast or Cable TV), you can set the CableClear® feature to reduce visible interference in the TV picture. For instructions, see "CableClear® digital Noise Reduction" on page 111.