| 故障表现为：热机花屏 检修与分析：试机了半个小时也未见故障。用风筒加热后出现花屏了，测量电压都正常。检查DDR的排阻也都没问题。测量DDR到解码之间的线路发现有过孔不通的现象。用导线连通后老化半天都不出现故障。故障机修到这里，终于修好值得探讨。。 |
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