如何判断可调电位器同步不良?
1、检查端子上是否沾有胶;
2、电位器拆开产品,检查电刷是否变形,电刷是否松动,电刷轨迹是否偏位;
3、检查碳片表面是否沾有异物,碳片表面是否有严重刮伤;
4、电位器检查有无碳片开裂、端子松动及端子接触不良现象;
5、检查电刷轨迹的内、外联是否在同一角度起步。http://www.abf.wang/
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