创维32E82RD(8K49)绿灯亮，不二次开机 打印信息如下，请给位师傅帮忙分析故障，谢谢

胡师父

创维32E82RD(8K49)绿灯亮，不二次开机  打印信息如下，请给位师傅帮忙分析故障，谢谢2015-12-3, 21:7:37 COM6, BaudRate:115200 bps, RXD: VGA->11,TXD: VGA-> 4, Printed by RT809F:

Boot-
DRAM Channel A Calibration.
Byte 0 : Gating(6 ~ 96), Size=91, Mid=51, Set=51.
Byte 1 : Gating(1 ~ 96), Size=96, Mid=48, Set=48.
HW Byte 0 : DQS(21 ~ 55), Size 35, Set 38, HW_Set 40.
HW Byte 1 : DQS(25 ~ 50), Size 26, Set 37, HW_Set 41.
DRAM A Size = 256 Mbytes.
Boot

Start Pmain

0x0000a000
Nand boot
NID=0x9500f1ec
LZHS addr:0x00100040
LZHS size:0x000ae8e0
LZHS checksum:0x0000008b
Boot

Start Lmain



MT5389 Boot Loader v0.9
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 0x9d
HDMI2 PA 0x20
HDMI2 checksum 0x8d
HDMI3 PA 0x30
HDMI3 checksum 0x7d
HDMI4 PA 0x40
HDMI4 checksum 0x6d
SIF_Master0: new design
SIF_Master1: old 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  d7c210, size: 24576)success!!
T8032 FW version: 71
T8032 change to loader stage...
LDR_FlashCopy 0xf010 0x42e80 0x80
Detect NAND flash ID: 0x9500F1EC
Detect SS K9F1G08U0B/C/D NAND flash(SLC): 128MB
NAND_BDM_Mount: Partid=0, offset=0x0, size=0x200000
NAND_BDM_Mount: Partid: 0, Total Block Count: 16, Bad Block Count: 0
IR DATA register : 0x       0
Boot reason: A/C power on!!T8032 init A/C on case loader stage...
Load T8032 FW (addr: 0x  d7c210, size: 24576)success!!
T8032 FW version: 71
T8032 change to loader stage...
Boot reason: A/C power on!!Boot reason: A/C power on!!Org:0x11 Flags:0x11

/////////////////////////////go in PDWNC_Init(void)
Boot reason: A/C power on!!Reset Demod GPIO=e, 0->1

Error WT6720 register setting
WT6720 gpio init


Do USB upgrade
USB: Vbus turn up time = 500 ms, Max =700 ms.

No USB device.
USB upgrade stop


Flash load lzhs header from 0x80000 to dram(0x152c060), size=2048
Decompression uboot to 0x00800000...


Flash load image from 0x80000 to dram(0x152c060), size=0x3aa41
LZHS start
LZHS done
Starting image...




U-Boot starts...


Booting sequence is from NAND Flash
Detect NAND flash ID: 0x9500F1EC
Detect SS K9F1G08U0B/C/D NAND flash: 128MB
128 MiB
In:    serial
Out:   serial
Err:   serial
Boot from kernelA and rootfsA(partition 6)
Hit any key to stop autoboot:  0
Partition rootfsA defined at mtdparts:
ID:6, Offset:0x00980000, Size:0x00600000


Loading from nand0, offset 0x380000
** Unknown image type
mt5389 #

军仔电器

可能是总线电压不正常吧   查下