8873cscng6pr6坏了会水平亮线,无亮度CPU不存台或不开机等。现象芯片是8873CSCNG6PR6,上电没反应,指示灯也没亮,拆盖检查,发现行管击穿短路,换之上电立即听到高压包“啪啪”响,又立即关机,换高压包。
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8873cscng6pr6的特点
873CSCNG6PR6是一集成块,具体功能,8873关键引脚功能为,5脚复位5V,9脚电源脚5V,55脚振荡电路电源5V.64脚为电源控制,待机时低电平,信号处理部分,13脚行激励输出0.5V,16脚场激励输出3.2v,17脚偏转电路供电8v。36脚中频电源供电5v。