修一台39E350E，故障是开机难，用户描述等半个小时甚至更长时间才能打开。

拆机测量电源板供电一切正常，连接电脑，打印信息如下：

SPI BOOT
Console Initial OK
Maria10: BD_MST004B_20AVS_10306
MIU: DDR_400Mhz_2x
BIST_0 PASS.
07 07
[ 05 06 07 08 10 11 12 ]
[ 05 06 07 08 10 11 12 13 ]
08 08

MIU Initial OK

显然程序没有走完，重写存储器数据。通电需要等几分钟才能开机。打印信息如下：
SPI BOOT
Console Initial OK
Maria10: BD_MST004B_20AVS_10306
MIU: DDR_400Mhz_2x
BIST_0 PASS.
07 07
[ 05 06 07 08 10 11 12 ]
[ 05 06 07 08 10 11 12 13 ]
08 08

MIU Initial OK
[msKeypad_Init]: Allocated channel number > 2 !!!

sar input test...
MDrv_PNL_Init u32PnlRiuBaseAddr = A0200000
MDrv_PNL_Init u32PMRiuBaseAddr = A0000000
GE_SetOnePixelMode

====================
First GOP driver instance, flush GWIN HW
====================

s8SN0(2) s8SN1(1)
g_u8DCOnOff = OFF
POWERON_MODE_SAVE >>

HdcpKey Error
Mirror function (1)
MApp_DMP_InitDMPStat
Disable Aeon
Disable Aeon Done

PS321 HDMI Switch Init!DSP code loaded successfully
===PowerOn_Music===

_GOP_GWIN_AlignChecker, This FB format needs to 4-pixels alignment !!!

====================================
========= CUS04_ATV_MM_M10 =========

DVB-T Software Version: 0.305665

[Board]: BD_MST004B_20AVS_10306
[Panel]: REL236V0_000A_HD
[MEMORY_MAP]: MMAP_32MB
[DRAM SIZE]: 32 MB
[FLASH SIZE]: 4 MB
[ATV]: PAL
[Mirror]: 1
[ENABLE_PWS]: 0
[ENABLE_POWER_SAVING_DPMS]: 0
[DEMO_FINE_TUNE]: DFT_STD_FULLHD_CMO216
[ENABLE_DLC]
[MWE]
[DISPLAY_LOGO]
[ENABLE_POWERON_MUSIC]
====================================

-----enter this----
g_OverScan{-9, -9, 20, 17}
对比正常机的打印信息，正常了，看来数据问题排出了，还有其他故障。

目测CA5-16V 47uF下面发焦且漏液，找一100uF电容，更换后，通电，立即开机。

再看打印信息一切正常。修复。
品牌：创维