机型：L65P2-UD 机芯：T968A1
故障现象：不开机
维修与分析：通电试机打印信息如下：GXTVBB:Fixed PLL lock failed
BL1:ee57c+:7a1241;FEAT:EDFD718C;POC:3;RCY:0;EMMC:0;READ:0;CHK:0;
no sdio debug board detected
TE: 300653
BL2 Built : 16:14:20, Sep 30 2016.
gxtvbb gfdb57f2 – xiaobo.gu@droid05
set vcck to 1100 mv
set vddee to 1100 mv
init panel power
Board ID = 1
SYS PLL lock check 1
SYS PLL lock check 2
SYS PLL lock check 3
SYS PLL lock check 4
SYS PLL lock check 5
SYS PLL lock check 6
SYS PLL lock check 7
SYS PLL lock check 8
SYS PLL lock check 9
SYS PLL lock check 10
SYS PLL lock failed! reset…
一直重复显示。检查发现UD018（1.8V）输出对地短路，最后因C572引起更换后修复。
