收到同行送来的故障机壹台创维29TX9000彩电,故障为行幅收缩,判断此电视高压包,行管坏。行管原机用5296,换新高压包和行管2553,开机后出现图像过亮时右边光栅收缩,换枕校电容也没好,查了半天也没查到问题,抱着一试找了一个5296换上,光栅正常了。2553在CRT里面特别的常用,估计是配件商在这上面做假。 |
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