TCL HiD2992i粉色光栅故障解决方案
故障现象: 三无(灯亮)机芯: 如画彩电DPTV
机型: HiD2992i,HiD29168P,HiD29286P,HiD2988i,HiD292S.P,HiD3460i,
HiD34286P,AT2927i,AT2970i,AT2988i,AT2935i,AT2970P,
HiD291S.P,AT3486i
检修过程: 待机时红灯亮,开机后蓝灯亮,故障时是粉色。说明CPU输出待机电压不对,测电 脑板插排48脚6V,正常为5V,供电测IC847 1脚8V 3脚6V,更换IC847 5V正常, 故障依旧,更换电脑板后正常,逐步更换IC1406 IC1401,更换到IC1402 W27C010后一切正常。
故障板名称: CPU板
故障元件位号:IC1402
处理措施:更换IC1402 W27C010
图片: 无
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