收到同行送来的故障机壹台海尔32寸海尔L32B1液晶电视,故障表现为花屏,如图所示,拆机后清洗屏线无效。把主板上的白胶刮干净后,测量330排阻,其中RP47阻值偏大许多,从料板上拆一颗换上后开机图像恢复正常。 |
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