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笔者上门检修一台海信TC-2138型彩电,原机故障现象为“三无”。经检查发现,故障原因为:易损元件消磁电阻变质后,烧坏了电源保险管。
The author overhaul a Hisense TC-2138-type TV, the original machine failure phenomenon “three no ”. The inspection found that the cause of the malfunction is: Vulnerable components demagnetization resistance deterioration, burned the power fuse.