欧宝丽42j2s 主板juc7.820.00111493 开机出logo后10秒自动关机 反复开机可以收看

软硬件维修

欧宝丽42j2s 主板juc7.820.00111493  emmc MTFC2GMDEA-0M WT  2gV4.41
故障现象是开机出现logo自动关机，多次开机后能成功启动一次，能恢复出厂设置，收看过程中遥控器失灵，系统死机，画面还在播放，测试每路电压都稳定正常1.5v  1.2v  3.3v 5v 12v 并联电容无效更换3.3v稳压ic无效，更换了emmc ，809h重写了，u盘升级系统，无效，
串口打印如下，大家帮忙分析一下什么故障

Boot-
DRAM Channel A Calibration.
Byte 0 : Gating(2 ~ 57), Size=56, Mid=31, Set=21.
Byte 1 : Gating(2 ~ 52), Size=51, Mid=29, Set=19.
Byte 2 : Gating(2 ~ 72), Size=71, Mid=39, Set=29.
Byte 3 : Gating(2 ~ 62), Size=61, Mid=34, Set=24.
HW Byte 0 : DQS(11 ~ 40), Size 30, Set 24, HW_Set 27.
HW Byte 1 : DQS(7 ~ 40), Size 34, Set 22, HW_Set 25.
HW Byte 2 : DQS(13 ~ 40), Size 28, Set 26, HW_Set 27.
HW Byte 3 : DQS(15 ~ 41), Size 27, Set 28, HW_Set 29.
DRAM A Size = 512 Mbytes.
Boot

Start Pmain

0x0000a000
EMMC boot

CID:0x8caa50eb
:0x473ac106
:0x4d433032
:0xfe014e4d
LZHS addr:0x00100040
LZHS size:0x00099ed8
LZHS checksum:0x0000002b
Boot

Start Lmain



MT5880 Boot Loader v0.10
Boot reason: A/C power on!!


Load VGA internal EDID.................
Load HDMI internal EDID.................
CEC Physical offset 159
HDMI1 Physical adr 0x10
HDMI1 PA 0x10
HDMI1 checksum 0x52
HDMI2 PA 0x10
HDMI2 checksum 0x52
HDMI3 PA 0x20
HDMI3 checksum 0x42
HDMI4 PA 0x30
HDMI4 checksum 0x32
SIF_Master0: new design
IR DATA register : 0x       0
Boot reason: A/C power on!!
T8032 init A/C on case loader stage...
Load T8032 FW (addr: 0x  d6b150, size: 24576)success!!
T8032 FW version: 84
T8032 change to loader stage...
LDR_FlashCopy 0xf010 0x4d100 0x80
1st MAC in EEP is valid (64:88:ff:9d:ba:24)
1st : (64:88:ff:9d:ba:24)
2nd : (51:88:c0:89:79:3f)
Boot reason: A/C power on!!
Boot reason: A/C power on!!
Boot reason: A/C power on!!
Boot reason: A/C power on!!
Disable VGA wakeup


GPIO_MtkLedCtrlFunc_eLedStatus=2
---standby_EEPDTV_GetCfg, bLedOnOff = 0x1!!
==Standby            ?

-----------------------以上是上电串口打印


H匔吤DRAM Channel A Calibration.
Byte 0 : Gating(2 ~ 62), Size=61, Mid=34, Set=24.
Byte 1 : Gating(2 ~ 52), Size=51, Mid=29, Set=19.
Byte 2 : Gating(2 ~ 72), Size=71, Mid=39, Set=29.
Byte 3 : Gating(2 ~ 67), Size=66, Mid=36, Set=26.
HW Byte 0 : DQS(11 ~ 39), Size 29, Set 24, HW_Set 27.
HW Byte 1 : DQS(8 ~ 40), Size 33, Set 23, HW_Set 25.
HW Byte 2 : DQS(13 ~ 39), Size 27, Set 26, HW_Set 27.
HW Byte 3 : DQS(15 ~ 41), Size 27, Set 28, HW_Set 29.
DRAM A Size = 512 Mbytes.
Boot

Start Pmain

0x0000a000
EMMC boot

CID:0x8caa50eb
:0x473ac106
:0x4d433032
:0xfe014e4d
LZHS addr:0x00100040
LZHS size:0x00099ed8
LZHS checksum:0x0000002b
Boot

Start Lmain



MT5880 Boot Loader v0.10
SIF_Master0: new design
IR DATA register : 0x       0
T8032 change to loader stage...
LDR_FlashCopy 0xf010 0x4d100 0x80
1st MAC in EEP is valid (64:88:ff:9d:ba:24)
1st : (64:88:ff:9d:ba:24)
2nd : (7d:26:d0:d5:b9:28)
PDWNC_Init


GPIO_MtkLedCtrlFunc_eLedStatus=1
Enable Led blinking (gpio_idx 201, on_value 1, period 20, type: 80)
USB0: Set GPIO64 = 1.
USB1: Set GPIO64 = 1.
USB2: Set GPIO61 = 1.

Do USB upgrade
USB: Vbus turn up time = 369 ms, Max =900 ms.

No USB device.
USB upgrade stop
eepNptv offset: 0x260, EEP_BOOT_LOGO_INDEX offset: 0x91
Read boot logo index from eeprom: 1, 0x02
Load boot logo index: 1
Loader_ReadMsdc(14, 0, 0x0d000000, 1048576)
Find panel index 121 from EEPROM
Translate panel index to 121
u4Offset == 0x70
Calc Flashpanel attrib checksum =0xff
[xh_dbg] select flash panel's base data
Calc Flashpanel ex_attrib checksum =0xffffffff
[xh_dbg] select flash panel's extra data


[hhhxxx] panel_table.c


[hhhxxx] LoadProductIndex line 7690


Find product index 28 from EEPROM


[xh_pnl_drv]set CHProductTypeIndex = 28
---------- [SA7] vErrorHandleInit ----------
[SA7] Error handling init
[SA7] PANEL_GetPanelWidth=0x780, PANEL_GetPanelHeight=0x438 , wDrvGetOutputHTotal=0x898 , wDrvGetOutputVTotal=0x465
[SA7] PANEL_GetHTotalMax=0x960, PANEL_GetHTotalMin=0x848, PANEL_GetVTotalMax=0x564, PANEL_GetVTotalMin=0x44c
[SA7] PANEL_GetPixelClkMax=156000000, PANEL_GetPixelClkMin=120000000
[SA7] PANEL_GetPixelClk60Hz = 0x8d9ee20
---------- [SA7] vErrorHandleSetByTiming ----------
[SA7] u2HSyncWidth=260, u2HSyncStart=1930, u2VSyncWidth=26, u2VSyncStart=1094
---------- [SA7] vErrorHandleSetByTiming end----------
---------- [SA7] vErrorHandleSetByPanel end----------
[SA7] vDDDSInit
---------- [SA7] vErrorHandleSetByTiming ----------
[SA7] u2HSyncWidth=30, u2HSyncStart=1936, u2VSyncWidth=3, u2VSyncStart=1119
---------- [SA7] vErrorHandleSetByTiming end----------
[LVDS] u4Freq=148500000
vDrvSetOCLKClockSchemaInit.
[SA7] _fgVopllUseDDDS = True
[SA7] u4Syspll = 648000000
[LVDS] VOPLL Initialize successful !
befor jpeg decode!
jpeg_decode(0x0d000000, 1048576, 0x0e000000, 1048576, 0x0f000000, 1920, 1080)
Color:14 BmpAddr:0x0f000000 Width:1920 Height:1080
---Panel 1920 x 1080
LDR_OsdDisplay(14, 0x0f000000, 1920, 1080) return 0


Flash load lzhs header from 0x80000 to dram(0x15029d0), size=2048
Decompression uboot to 0x00800000...


Flash load image from 0x80000 to dram(0x15029d0), size=0x394af
secure boot ok
LZHS start
LZHS done
Starting image...




U-Boot 2011.12.12 (Dec 25 2014 - 11:42:24)


DRAM:  352 MiB
WARNING: Caches not enabled
MMC:   HOST 1
Dev Num: 0, Timing Position: 0, Sample Edge: 0x00
FE014E4D:4D433032:473AC106:8CAA50EB
id1:4E4D4D43 id2:3032473A
eMMC Name: MTFC2GMDEA-0M WT
Dev Num: 11, Timing Position: 1, Sample Edge: 0x00
Dev Num: 11, Timing Position: 2, Sample Edge: 0x11
: 0


0.0.0.0
In:    serial
Out:   serial
Err:   serial
Net:   Net Initialization Skipped
No ethernet found.
Hit any key to stop autoboot:  0
## Booting kernel from Legacy Image at 00007fc0 ...
   XIP Kernel Image ... OK
OK


Starting kernel ...


timekeeping_init done
mmc0: 5880
at 0xf006d000 irq 100 data mode 3 Optimization
mmc1: 5880
at 0xf0012000 irq 60 data mode 3
init: ====~~~~starting 'ueventd'
special_arg: 00000002
test mmc...
init: init: cannot open '/initlogo.rle'
Unable to register pmem driver!
init: ====init: I read console
===
init: =================app store running======================
init: not com.changhong.appstore.apk, or sdk appstore changed !
init: so copy /system/apk/com.changhong.appstore.apk to /data/app
NotifyAutoDetSrc(av1(2),av2(2),ypbpr1(2),HDMI1(1),HDMI2(2),HDMI3(2),HDMI4(2) VGA(2))
NotifyAutoDetSrc(av1(2),av2(2),ypbpr1(2),HDMI1(1),HDMI2(1),HDMI3(2),HDMI4(2) VGA(2))
NotifyAutoDetSrc(av1(2),av2(2),ypbpr1(2),HDMI1(1),HDMI2(1),HDMI3(1),HDMI4(2) VGA(2))
NotifyAutoDetSrc(av1(2),av2(2),ypbpr1(2),HDMI1(1),HDMI2(1),HDMI3(1),HDMI4(1) VGA(2))
Password: NotifyAutoDetSrc(av1(2),av2(2),ypbpr1(2),HDMI1(1),HDMI2(1),HDMI3(1),HDMI4(1) VGA(0))
init: I read console
===
init: ===============check tent================
init: the nv is 0
init: the cv is 1
init: ====~~~~starting 'servicemanager'
init: ====~~~~starting 'vold'
init: ====~~~~starting 'uuid_init'
init: ====~~~~starting 'netd'
init: ====~~~~starting 'debuggerd'
init: ====~~~~starting 'ril-daemon'
init: ====~~~~starting 'zygote'
init: ====~~~~starting 'drm'
init: ====~~~~starting 'media'
init: ====~~~~starting 'dbus'
init: ====~~~~starting 'installd'
init: ====~~~~starting 'keystore'
init: ====~~~~starting 'vdevcreate'
init: ====~~~~starting 'sensor-daemon'
init: ====~~~~starting 'insmod'
init: ====~~~~starting 'pre-init'
init: ====~~~~starting 'post-init'
init: ====~~~~starting 'dtv-svc'
init: ====~~~~starting 'chtvos'
init: ====~~~~starting 'cmddaemon'
init: ====~~~~starting 'pppoe-dial'
init: ====~~~~starting 'uploadservice'
init: ====~~~~starting 'addvirtualnet'
!@#!@# @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ alsa_card_mtk_init 201202101600

==> pre-init start
3.17 3.47


chmod: /perm/voice: No such file or directory
mknod: /dev/mali: File exists
mknod: /dev/ump: File exists
Setting up swapspace version 1, size = 104853504 bytes
UUID=bda17d14-b08b-41e0-91a0-ffbe7fa96bdb
{At 00:00:3:452}<<<<<dtv_svc main() function begin...>>>>>
dtv_svc_main: fbm phy addr = 1a170000, share mem addr = 4003f000, vir addr = 0, size = 0
{At 00:00:3:551}<<<<<dtv_svc main() regist signal_sigpipe_entry GET SIGPIPE.>>>>>
{At 00:00:3:679}<<<<<Before x_drv_init() ...>>>>>
SC_FCT_0: sched_getparam 707 error -1
SC_FCT_0: sched_getparam 710 error -1
drv_init as 0x39 model
drv_init as EU model
MTDRVCUST_BootupCheck() fail, ret=-1
[MTCI0] MTCI_Init : 0

TVD MsgCtrl:  NRL:60/40, PER:100/90
  TVOS first line 
Boot-
DRAM Channel A Calibration.
Byte 0 : Gating(2 ~ 62), Size=61, Mid=34, Set=24.
Byte 1 : Gating(2 ~ 57), Size=56, Mid=31, Set=21.
Byte 2 : Gating(2 ~ 72), Size=71, Mid=39, Set=29.
Byte 3 : Gating(2 ~ 67), Size=66, Mid=36, Set=26.
HW Byte 0 : DQS(11 ~ 40), Size 30, Set 24, HW_Set 27.
HW Byte 1 : DQS(8 ~ 40), Size 33, Set 23, HW_Set 25.
HW Byte 2 : DQS(13 ~ 40), Size 28, Set 26, HW_Set 27.
HW Byte 3 : DQS(15 ~ 40), Size 26, Set 27, HW_Set 29.
DRAM A Size = 512 Mbytes.
Boot

Start Pmain

0x0000a000
EMMC boot

CID:0x8caa50eb
:0x473ac106
:0x4d433032
:0xfe014e4d
LZHS addr:0x00100040
LZHS size:0x00099ed8
LZHS checksum:0x0000002b
Boot

Start Lmain



MT5880 Boot Loader v0.10
Boot reason: A/C power on!!


Load VGA internal EDID.................
Load HDMI internal EDID.................
CEC Physical offset 159
HDMI1 Physical adr 0x10
HDMI1 PA 0x10
HDMI1 checksum 0x52
HDMI2 PA 0x10
HDMI2 checksum 0x52
HDMI3 PA 0x20
HDMI3 checksum 0x42
HDMI4 PA 0x30
HDMI4 checksum 0x32
SIF_Master0: new design
IR DATA register : 0x       0
Boot reason: A/C power on!!
T8032 init A/C on case loader stage...
Load T8032 FW (addr: 0x  d6b150, size: 24576)success!!
T8032 FW version: 84
T8032 change to loader stage...
LDR_FlashCopy 0xf010 0x4d100 0x80
1st MAC in EEP is valid (64:88:ff:9d:ba:24)
1st : (64:88:ff:9d:ba:24)
2nd : (4c:80:01:1c:00:13)
Boot reason: A/C power on!!
Boot reason: A/C power on!!
Boot reason: A/C power on!!
Boot reason: A/C power on!!
Disable VGA wakeup


GPIO_MtkLedCtrlFunc_eLedStatus=2
---standby_EEPDTV_GetCfg, bLedOnOff = 0x1!!
==Standby            ?
-----------------------------------以上是摁待机键后看见logo10秒自动关机 的串口打印结果