Toshiba 40L1400UB User's Guide for L1400 Series TV's - Page 98

Picture problems, Onscreen Demo Pop-up

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98 Troubleshooting Picture problems Onscreen Demo Pop-up If your TV is displaying a Demo pop-up screen, reset the Store / Home mode setting to Home. For more information see "Installation setup selection" on page 43 TV will not turn on. Ensure the power cord is plugged in properly, and then press the POWER button. Ensure the TV is plugged into a working AC power outlet by plugging another device into the AC power outlet to verify the AC power outlet is working. Replace the batteries in the remote control, see "Installing batteries" on page 33 Try the control panel buttons on the TV. Picture problems General picture problems. Check the antenna/cable connections, see "Connecting Your TV" on page 22 Press the INPUT button on the remote control or on the TV and select a valid video input source, see "Selecting the video input source" on page 49. 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 22 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, see "Using the advanced picture settings" on page 93 Picture size changes by itself or when the TV is turned OFF and back ON. Turn the Auto Aspect feature of the TV to OFF. see "Using the advanced picture settings" on page 93 Cannot select external video sources. If you cannot view signals from external devices connected to VIDEO, ColorStreamTM HD, HDMI 1, or HDMI 2, ensure that the Input Lock is set to Off, see "Using the input lock feature" on page 77

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98
Troubleshooting
Picture problems
Onscreen Demo Pop-up
If your TV is displaying a Demo pop-up screen, reset the Store /
Home mode setting to Home. For more information see
“Installation setup selection” on page 43
TV will not turn on.
Ensure the power cord is plugged in properly, and then press the
POWER
button. Ensure the TV is plugged into a working AC
power outlet by plugging another device into the AC power outlet to
verify the AC power outlet is working.
Replace the batteries in the remote control, see
“Installing batteries”
on page 33
Try the control panel buttons on the TV.
Picture problems
General picture problems.
Check the antenna/cable connections, see
“Connecting Your TV”
on page 22
Press the
INPUT
button on the remote control or on the TV and
select a valid video input source, see
“Selecting the video input
source” on page 49
. 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 22
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, see
“Using the advanced picture settings”
on page 93
Picture size changes by itself or when the TV is turned OFF and
back ON.
Turn the Auto Aspect feature of the TV to OFF. see
“Using the
advanced picture settings” on page 93
Cannot select external video sources.
If you cannot view signals from external devices connected to
VIDEO, ColorStream
TM
HD, HDMI 1, or HDMI 2, ensure that the
Input Lock is set to Off, see
“Using the input lock feature” on page 77