收到同行送来的故障机壹台夏普LCD-46Z660A液晶电视,故障表现为开机灰屏,拆机检测没有5大电压,断开一面排线,电压正常,断开不正常VGH,屏正常了,就是屏幕右边暗,撕掉右边耳朵,亮度正常。 |
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