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电位器常见故障及修理

来源:百斯特电子发布时间:2013年07月19日

家用电器中的电位器由于频繁地使用,使用一段时间后易发生故障。电位器产生的故障比较容易在整机上表现出来,如旋动电位器时 噪声很大,声音时大时小及电源开关失灵等。对电位器的检测方法。用适当的欧姆挡测量电位器1~3端的总电阻值,看是否在标称值范围内。将表笔接于1一2或2—3引出端间,反复慢慢地旋动电位器轴,看电表指针是否连续、 均匀地变化。其电阻值应在零欧附近标称值之间连续变化。
 
电位器常见故障及修理:

1. DIANWEIQICHUXIANDEGUZHANGYOUZHUANDONGZAOSHENGDA、YINJIAONEIBUDUANLU、DIANZUTIMOSUN、SHAOHUAI、KAIGUANSUNHUAIDENG。

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5.TANMODIANZUTIYINGUOLIUYEHUIYANZHONGSHAOHUAIERZAOCHENGKAILU。DUIYUYINJIAONEIBUDUANLUHUODIANZUTISHAOHUAIERKAILUDEDIANWEIQI,YIBANDOUBUBIANXIULI,ERCAIYONGGENGHUANDEFANGFA。

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