不开机故障 \ 待机灯亮不开机 \ 待机灯亮不开机
检修过程 通电检查打印信息内容如下 init panel power Board ID = 8 SYS PLL lock check 1 CPU clk: 1200MHz FIX PLL lock check 1 FIX PLL lock check 2 FIX PLL lock check 3 FIX PLL lock check 4 FIX PLL lock check 5 FIX PLL lock check 6 FIX PLL lock check 7 FIX PLL lock check 8 FIX PLL lock check 9 FIX PLL lock check 10 FIX PLL lock failed! reset… TXL:BL1:1ef924:56431c;FEAT:ADFD718C;POC:1;RCY:0;EMMC:0;READ:0;0.0;CHK:0; TE: 49964 BL2 Built : 18:02:44, Feb 23 2017. txl g3629254 – xiaobo.gu@droid05 set vcck to 1100 mv set vddee to 1000 mv set vddee enable AO_8 to high 仔细检查各组电压发现UD018输出直流1.2V，正常是1.8V，代换1117后开机正常。
