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故障现象 :按键失灵 ,多次按键偶尔出现一个或多个连接字符。故障检修 :用起子小心撬开有故障按键的钮盖及下面两侧的塑料压片 ,用酒精清洗里面灰尘 ,将塑料弹簧盖中弹簧取出 ,用两手均匀向外拉伸 ,使它更有弹性 ;取下弹簧一侧小薄铁片 ,用镊子轻轻夹住向外用力 ,使其有较大变
Symptom: the key failure, multiple keys Occasionally appear one or more connection characters. TROUBLESHOOTING: Use a screwdriver to carefully pry open the button cover with the faulty button and the plastic pressure plate on both sides, wash the dust inside with alcohol, remove the spring from the plastic spring cover, and stretch it evenly with both hands to make it more flexible ; Remove the side of the small thin iron spring, gently tweezers grip outward force, so that it has a larger variable