收到同行送来的故障机壹台海信TLM4236P液晶电视,故障表现为是电源指示灯忽亮忽暗,不开机。此故障原因是电源板(型号RSAG7.820.1489)5Vs供电滤波电容C851(470uF/16V )性能变差导致的。本案例为此板子的通病故障。 |
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