Just do a hard reset to this set, and check. Unplug it from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight will be better. If it do not help you, make sure that the main system control memory IC is faulty, and should be repalced.
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Just do a hard reset to this set, and check. Unplug it from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight will be better. If it do not help you, make sure that the main system control memory IC is faulty, and should be repalced.