The Toshiba 55L7400U is an exceptional television with a superb display and stunning picture quality. To make the most out of its advanced features, don't forget to download the user manual from our website for free. Our user manual provides you with comprehensive instructions and helpful insights on operating your Toshiba 55L7400U effortlessly.
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SERVICE MODE
ENTERING SERVICE MODE
1. Press MUTE button twice on Remote Control.
TV mode changes as follows. Un-Mute => 1/2Mute => Mute
2. Press MUTE button again and keep pressing.
(Sound Mute is canceled)
3. While pressing the MUTE button, press CH/INPUT button on TV control panel.
(Enter Service Mode)
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