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彩电行幅变窄该如何修理
更新时间: 2020-10-02 00:00:00  

原因:

加B电压升高或者逆程电容变质。

修理方法:

1、更换逆程电容;

2、打开电视机总线,找到相应的行幅项目,进行调节;

3、打开后盖,先检查线路板上的行幅元件,如逆程电容;再检查校准电路的元件是否损坏,如三极管,电阻等。

关键词: 彩电 如何 修理

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