型号:KONKA康佳 T2573S【故障】现象:开机后出现黑屏【故障】。【故障】排除:一25寸彩电,开机黑屏,有伴音,调加速极,显模糊彩条,测8177F各脚0.5,16,40,-10,0.2,14,0.4,基本正常,换场块无效,后查资料4脚应-14V,查负压供电,限流R911已达几十欧,换新排除【故障】。友情提示,文章来自互联网收集,欢迎你到论坛技术交流请点击这里www.jdwx.cn |
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