海信led48ec280jd电视开机无反应 求助

872386927

红灯可变蓝，之后无反应，师傅们看看打印信息有什么问题？

caoyunwang

没有问题     

872386927

001:  TXD: VGA-- 4; RXD: VGA--11.
002:  C:\Users\Administrator\Desktop\Print.log
003:  COM12, BaudRate:115200 bps, RXD: VGA->11,TXD: VGA-> 4,
?enable wakeup Boot-Preloader T8032 ack !

DRAM Channel A Calibration.
Byte 0 : Gating(2 ~ 62), Size=61, Mid=32, Set=32.
Byte 1 : Gating(2 ~ 57), Size=56, Mid=29, Set=29.
Byte 2 : Gating(2 ~ 67), Size=66, Mid=34, Set=34.
Byte 3 : Gating(2 ~ 62), Size=61, Mid=32, Set=32.
HW Byte 0 : DQS(12 ~ 46), Size 35, Set 29, HW_Set 32.
HW Byte 1 : DQS(8 ~ 45), Size 38, Set 26, HW_Set 28.
HW Byte 2 : DQS(10 ~ 47), Size 38, Set 28, HW_Set 30.
HW Byte 3 : DQS(9 ~ 46), Size 38, Set 27, HW_Set 30.
DRAM A Size = 768 Mbytes.
Boot

872386927

DRAM A Size = 768 Mbytes.
Boot

Start Pmain

0x0000a000
EMMC boot

CID:0x179641e5
:0x04010100
:0x32473163
:0x90014a48
LZHS addr:0x00100040
LZHS size:0x000a73c0
LZHS checksum:0x0000000e
Boot

Start Lmain



MT5880 Boot Loader v0.9
SIF_Master0: new design
IR DATA register : 0x       0
T8032 change to loader stage...
LDR_FlashCopy 0xf010 0x59f00 0x80
1st MAC in EEP is valid (c8:16:bd:75:75:9e)
1st : (c8:16:bd:75:75:9e)
2nd : (ff:ff:ff:ff:ff:ff)
PDWNC_Init
update check revovery,adc value:255
LDR_CheckRecovery,needn't enter recover


Do USB upgrade
USB: Vbus turn up time = 163 ms, Max =0 ms.


No USB device.
USB upgrade stop
Org:0x10 Flags:0x10
                             


Flash load lzhs header from 0x80000 to dram(0x1500020), size=2048
Decompression uboot to 0x00800000...


Flash load image from 0x80000 to dram(0x1500020), size=0x369d4
secure boot ok
LZHS start
LZHS done
Starting image...




U-Boot 2011.12.12 (Sep 23 2016 - 16:44:25)


DRAM:  624 MiB
WARNING: Caches not enabled
MMC:   HOST 1
Dev Num: 0, Timing Position: 0, Sample Edge: 0x00
90014A48:32473163:04010100:179641E5
id1:4A483247 id2:31630401
eMMC Name: UNKNOWN
Dev Num: 0, Timing Position: 1, Sample Edge: 0x00
Dev Num: 0, Timing Position: 2, Sample Edge: 0x11
: 0


0.0.0.0
In:    serial
Out:   serial
Err:   serial
Net:   Net Initialization Skipped
No ethernet found.
PDWNC_REBOOT_CMD_OFFSET contains
Hit any key to stop autoboot:  0
## Booting kernel from Legacy Image at 00008000 ...
   XIP Kernel Image ... OK
OK


Starting kernel ...


Uncompressing Linux... done, booting the kernel.

Initializing cgroup subsys cpuset
Initializing cgroup subsys cpu
Linux version 3.0.13 (gfkfcmo@ubuntu-num3) (gcc version 4.5.1 (GCC) ) #1 SMP PREEMPT Fri Sep 23 16:44:12 CST 2016
CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=10c53c7d
CPU: VIPT nonaliasing data cache, VIPT aliasing instruction cache
Machine: MT5880

872386927

CPU: VIPT nonaliasing data cache, VIPT aliasing instruction cache
Machine: MT5880
Memory policy: ECC disabled, Data cache writealloc
====> PMEM BOOTMEM ALLOC <=====
allocating 49283072 bytes at   (null) (40000000 physical) for pmem arena
PERCPU: Embedded 7 pages/cpu @c0af5000 s4960 r8192 d15520 u32768
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 191264
Kernel command line: lpj=4571136 console=ttyMT0,115200n1 root=/dev/mmcblk0p5 vmalloc=512M no_console_suspend androidboot.carrier=wifi-only mtdparts=mt53xx-emmc:2M(uboot),2M(uboot_env),1M(misc),16M(recovery),16M(boot),500M(system),500M(userdata),500M
  

zhangcanhai

升级主程序试试，不行就要更换emmc。eMMC Name: UNKNOWN意思是没有识别到cmmc.

872386927

Kernel command line: lpj=4571136 console=ttyMT0,115200n1 root=/dev/mmcblk0p5 vmalloc=512M no_console_suspend androidboot.carrier=wifi-only mtdparts=mt53xx-emmc:2M(uboot),2M(uboot_env),1M(misc),16M(recovery),16M(boot),500M(system),500M(userdata),500M(cache),1M(reserved),1M(channelA),1M(channelB),1M(pq),1M(aq),4M(logo),4M(bootlogo) mali_core_num=2 usbportusing=1,1,1,0 usbpwrgpio=-1,-1,-1,-1 usbpwrpolarity=-1,-1,-1,-1 usbocgpio=-1,-1,-1,-1 usbocgpiopolarity=-1,-1,-1,-1

872386927

zhangcanhai 发表于 2019-5-1 18:24
升级主程序试试，不行就要更换emmc。eMMC Name: UNKNOWN意思是没有识别到cmmc.

还有好长没传上来，总提示有不良信息，

zhangcanhai

海信MTK单EMMC主板爱坏EMMC。你先升主程序试试，不行再换EMMC.

872386927

解压将Hisense_5505放入根目录，交流开机出现升级画面，升级完成后先别拔u盘，等待重启，若不重启按待机键开机，完全开机后在去掉u盘。