故障分析; 创维skyworth 8000N- 2198彩电4N10机心 打开电视机,根据声图表现正常,自动关机故障很可能是保护电路不良造成的,断开电源测量保护电路的Q311及D311发现D311(1N4148)二极管击穿换后故障排除. |
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