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天线是电视机的大门,一旦损坏就直接影响收视效果,特别是室外天线的遥控转向按键是最易损坏的元件,笔者承修过数例,但都是按键接触不良(有时通有时不通)或完全不通。不像本例这样,在AK按下时,电机有电流通过,而指示灯不亮,手摸电机有振动感,当时直接判断电机损坏,哪想引起祸患的不是电机即是按键。这一小小的疏忽,让我走了不少弯路,花了不
Antenna is the gate of the TV, once damaged, will directly affect the viewing effect, especially the outdoor antenna remote control steering button is the most vulnerable components, the author over several cases, but are poor key contacts (sometimes pass sometimes unreasonable) or Totally unreasonable. Unlike this case, when the AK is pressed, the motor has a current passing, and the indicator light is not on, the hand touch motor has a sense of vibration. At that time, the motor is directly judged to be damaged, and what is the cause of the scourge? This little negligence, let me go a lot of detours, spent no