收到同行送来的故障机壹台TCL液晶电视，型号是L42F11，故障表现为颜色不正常，首先检查屏线没有锈斑，怀疑是逻辑板，经过仔细排查也排除是逻辑板故障。后查到是主板胶下边的排感开路所致，此故障是通病，更换后检修思路。    |
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