收到同行送来的故障机壹台长虹LT32710液晶电视,故障表现为把亮度调到100了,图像还是过暗,拆开机器经检测背光24V不够,为滤波电容鼓包导致的,更换后故障机修到这里,终于修好值得探讨。,试机一切正常。 |
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