海信LED46k360J灯亮不开机

武海义

海信LED46K360J 灯亮不开机，按键无反应打印信息如下高手给指点一下哪里问题
2011-2-16, 2:22:35
COM4, BaudRate:115200 bps, RXD: VGA->11,TXD: VGA-> 4, Printed by RT809F:

Boot-
DRAM Channel A Calibration.
Byte 0 : Gating(2 ~ 57), Size=56, Mid=29, Set=29.
Byte 1 : Gating(2 ~ 47), Size=46, Mid=24, Set=24.
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(10 ~ 41), Size 32, Set 25, HW_Set 29.
HW Byte 1 : DQS(8 ~ 40), Size 33, Set 24, HW_Set 27.
HW Byte 2 : DQS(10 ~ 42), Size 33, Set 26, HW_Set 28.
HW Byte 3 : DQS(10 ~ 41), Size 32, Set 25, HW_Set 27.
DRAM A Size = 768 Mbytes.
Boot

Start Pmain

0x0000a000
EMMC boot

CID:0x713ca025
:0x04010162
:0x32473163
:0x90014a48
LZHS addr:0x00100040
LZHS size:0x000a6990
LZHS checksum:0x00000091
Boot

Start Lmain



MT5880 Boot Loader v0.9
Boot reason: A/C power on!!
Load VGA internal EDID.................
use code based  EDID.................
Load HDMI internal EDID.................
CEC Physical offset 152
HDMI1 Physical adr 0x10
HDMI1 PA 0x10
HDMI1 checksum 0xdf
HDMI2 PA 0x10
HDMI2 checksum 0xdf
HDMI3 PA 0x20
HDMI3 checksum 0xcf
HDMI4 PA 0x30
HDMI4 checksum 0xbf
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  d80850, size: 24576)success!!
T8032 FW version: 73
T8032 change to loader stage...
LDR_FlashCopy 0xf010 0x59c00 0x80
1st MAC in EEP is valid (90:cf:7d:ea:c9:32)
1st : (90:cf:7d:ea:c9:32)
2nd : (ff:ff:ff:ff:ff:ff)
PDWNC_Init
Boot reason: A/C power on!!
Do USB upgrade
USB: Vbus turn up time = 200 ms, Max =0 ms.


No USB device.
USB upgrade stop
Boot reason: A/C power on!!Boot reason: A/C power on!!Org:0x30 Flags:0x30



Flash load lzhs header from 0x80000 to dram(0x1506020), size=2048
Decompression uboot to 0x00800000...


Flash load image from 0x80000 to dram(0x1506020), size=0x36890
secure boot ok
LZHS start
decode checksum is not the same.
LZHS decode fail!


Force USB upgrade


USB: Vbus turn up time = 990 ms, Max =0 ms.


No USB device.
USB upgrade stop



DTV>

crb8331

可以升级试试啊

毛胡子

先刷个数据试试看

wim

Thank a lot.

武海义

谢谢已经修复更换主板

jack2008alex

恭喜修复成功

家维t

打印信息每台机子怎么都不同的呢？实在看不懂！检测到正常的地方也看不到OK字样，有没有专业的老师解释一下？是不是开始检测包括引导，主程序，SIF,IR,HDMI正常，到USB电路检测不正常？坏到主板的中间部分？恳求高手指导一下！