对于TDA8361/8362机芯来讲,行叫声主要有以下几方面原因: 1.行线性电感L404磁芯松动,或因L404紧贴底版造成与底版摩擦发出响声; 2.套在行管或行扫描电路中二极管上是小磁环松动; 3.行输出变压器磁芯松动. |
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