收到同行送来的故障机壹台海信TLM42V67PK液晶电视,其机器采用的板号RSAG7.820.1588,故障表现是不开机指示灯亮,但偶尔能开机,开机后出现音量自动升高自动操作。此故障问题就在主板后背的胶挖开胶坏了好几个电阻,位号是R381、R382、R11、R873,更换这些后故障修复。 |
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