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例1 故障现象:开小音量时正常,开大音量时音圈“擦壳”,特别是使用卡拉OK功能时更严重。分析检修:有些喇叭由于使用的时间较长,特别在(大功率冲击下,音圈容易偏移中心而“擦壳”,发出很刺耳的噪音。修复方法:将音圈护罩卸下,用废胶卷剪成小段扦入音圈内侧,将音圈与磁芯的间隔调均匀,然后在音圈与纸盒的接合处涂一层乳白胶将音圈的位置固定即可修复。
Example 1 Symptom: When the volume is small, the voice coil “wipes” when the volume is turned on, especially when the karaoke function is used. Analysis and maintenance: some speakers due to the use of a long time, especially in high-power impact, the voice coil easy to shift the center and “wipe shell”, issued a very harsh noise.Repair method: the voice coil shield removed, with The scrap film is cut into small pieces into the inner voice coil, the voice coil and the core interval evenly, and then in the voice coil and carton junction coated with a layer of white glue the voice coil position can be fixed to repair.