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一台TCL2509SD大屏幕彩电屏幕上经常出现“预调”显示,与此同时正在收视中的音量、亮度等状态也发生了变化。开始,怀疑有人误按了遥控器上的“PP”键,因为该机只有按动遥控器上“PP”键,屏幕上才有“预调”显示。经查家人中谁也未动过遥控器,进而又怀疑遥控器有问题,索性把它藏到被窝里,但“预调”显示仍常在屏幕上闹“鬼脸”。朋友再仔细检查一下电视机面板上那几个按键,分明无此功能呀!笔者查看了一下该机电
A TCL2509SD large screen color TV screen often appear “Preset” display, while the volume is being watched, brightness and other changes have taken place. At the beginning, it was suspected that someone mistakenly pressed the “PP” key on the remote control, because only the machine “PP” button on the remote control, the screen “Preset” display. The family members who have not touched the remote control, and then suspected remote control problems, simply hide it in bed, but the “preset” display is often on the screen trouble “grimace.” Friends and then carefully check that several buttons on the TV panel, clearly no such function! I looked at the mechanical and electrical