TCL 32D8810 MSJ7机芯（三合一一体板）不开机

新星家电维修

TCL 32D8810 MSJ7机芯（三合一一体板）不开机，红灯亮一下就灭，不开机，打印信息如下：
6M182不开机，打印信息
SPI BOOT
Console Initial OK
Maria10: BD_MST021B_10ALG_11313_64M
[MIU]: 64MB  - DDR2 800MHz
BIST_0 PASS.

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MIU Initial OK
从一正常机打印信息如下：
SPI BOOT
Console Initial OK
Maria10: BD_MST021B_10ALG_11313_64M
[MIU]: 64MB  - DDR2 800MHz
BIST_0 PASS.

77
[23456789ABC][23456789ABC]
0077


MIU Initial OK
  pre-init g_PNL_TypeSel=2 ,
enPanelResType=2
[msKeypad_Init]: Allocated channel number > 2 !!!
Keypad Initialize OK
MDrv_PNL_Init u32PnlRiuBaseAddr = A0200000
MDrv_PNL_Init u32PMRiuBaseAddr = A0000000
PNL type=1 => XC lpll type=1
GE_SetOnePixelMode
====================
First GOP driver instance, flush GWIN HW
====================  
##g_PNL_TypeSel=2
s8SN0(0) s8SN1(1)
POWERON_MODE:g_ucACorDCon = 0
g_u8DCOnOff = OFF  aaaaaaaaaaaaaaaa >>
bbbbbbbbbbbbbbbbbb >>
POWERON_MODE_OFF >>
should go to standby!!!!!
Power down

MDrv_Power_ExecutePowerDown  => DeepSleep (0xFF) ?
  SPI BOOT
Console Initial OK
Maria10: BD_MST021B_10ALG_11313_64M
[MIU]: 64MB  - DDR2 800MHz
BIST_0 PASS.

77
[23456789ABC][23456789ABC]
0077


MIU Initial OK
  pre-init g_PNL_TypeSel=2 ,
enPanelResType=2
[msKeypad_Init]: Allocated channel number > 2 !!!
Keypad Initialize OK
MDrv_PNL_Init u32PnlRiuBaseAddr = A0200000
MDrv_PNL_Init u32PMRiuBaseAddr = A0000000
PNL type=1 => XC lpll type=1
GE_SetOnePixelMode
====================
First GOP driver instance, flush GWIN HW
====================  
##g_PNL_TypeSel=2
s8SN0(0) s8SN1(1)
POWERON_MODE:g_ucACorDCon = 1
ccccccccccccccccccc >>

Mirror function (1)
could  find logo binary on flash.
Disable Aeon Disable Aeon Done DSP code loaded successfully
  msAPI_Tuner_ChangeProgram--ypf
====================================
========= CUS04_ATV_MM_M10 =========
DVB-T Software Version: 0.305665

[Board]: 224_121031005-PNL_536D315SH31-20121102 [Panel]: WXGA_1366X768 [Tuner]: UN-DEFINED [DRAM TYPE]: DDR2 [MEMORY_MAP]: MMAP_64MB [DRAM SIZE]: 64 MB [FLASH SIZE]: 4 MB [ATV]: PAL [Mirror]: 1 [ENABLE_PWS]: 0 [ENABLE_POWER_SAVING_DPMS]: 1 [DEMO_FINE_TUNE]: DFT_STD_FULLHD_CMO216 [ENABLE_DLC] [DISPLAY_LOGO]
=====================================
=> DC_BOOT (1)  PM Wakeup by SAR

====================================
3330=====
11111111111111111111111111111111111111111111111111111
3330=====
fWaitforMSGBoxFading = 1
各位指点一下那的问题

孤狼

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MCU和DDR通讯不通，没有发现颗粒大小

新星家电维修

DDR是集成在主芯片内部，这样是主芯片坏了吗

维兴电器

看不懂 这打印信息 是什么  先来学习 看看师傅们指点

草根的草根

主芯片损坏或虚焊。

钟焘

楼主解决了吗.我这里也有一台一模一样的.也是打印信息只显示前面一点点就没有反应了.

新星家电维修

谢谢各位，换主芯片好了