TCL AT2588D三无，指示灯一亮一暗故障解决方案
故障现象： 三无（灯亮）机芯： 飞利浦解码OM88**（大屏幕）
机型： 2502D,2516B,2516D,2516DI,2516BI,2580DB,2510G,AT2575,2575D,
2515DZ,2580GI,2580G,2588DB,2511DI,2511D,2511DR,2511DZ,
2575DI,AT2515DZ,AT2590I,AT2590,AT2580D,AT2575D,AT2575DI,
AT2575DZ,AT2575F,AT2588D,AT2539,2939D,2939DR,2965D,2989D,
2913D,2975,2956D,2927D,2915DZ,2988DB,2916D,2988D,2980G,
2980GI,2980DB,2975D,2910G,2910DZ,2910D,2911,2911D,2911DI,
2911DZ,2980D,2988DF,2988DI,2975DI,AT2975D,AT2980D,AT2980DB,
2539D,2539DR,2539DI,3406D,3433D,3433DZ,3409D,3416,3416D,
3416DI,3418D,3416D(F),3438D,3480GI,3488GI,3460D,3488D,34D106,
AT3480DZ,AT3486DI,AT3460D,AT3416D(F),AT3488DZ,2988G,2988D-F,
2911Z,AT2990,AT2915DZ,AT2990I,AT2975F,AT2975I,AT2988D,
AT3480GI,3811DI,2589D,AT2556,AT2988,AT2988DB,AT2956B,
AT2911DZ,AT2915,AT2939,AT2956,AT2975Z,AT2986Z,AT2575I,AT2586,
3488BD,AT3486DZ
检修过程： AT2590 三无，指示灯一亮一暗——测行电压只有13V左右，查出Q832（C1815）不良，更换后，待机灯亮，待机电压25V正常，二次开机后烧保险丝、IC801（STR R6708）和D831，又查出R401开路引起，更换所有元件后机器正常。
故障板名称： 主板
故障元件位号：IC801/D831/R401
处理措施：更换；IC801/D831/R401
图片： 无
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