新手，帮忙分析下打印信息。海信LED55T29SG3D.

成功穿越的穿越

2016-12-22, 11:37:7
COM4, BaudRate:115200 bps, RXD: VGA->11,TXD: VGA-> 4, Printed by RT809F:

UART_115200
BIST0-OK
BIST1-OK
[123456789][12345678]-54
[123456789][012345678]-54
_nPD


U-Boot 1.1.6 (Mar 26 2011 - 12:29:56)


Board: MSTAR TITANIA (CPU Speed 504 MHz)
DRAM:  134217728
Skipping flash_init
Flash:  0 kB
NAND:  nand_bbt: searching bbt....Bad block table found at page 65472, version 0x01
nand_bbt: searching bbt.....Bad block table found at page 65408, version 0x01
nand_read_bbt: Bad block at 0x015e0000
nand_read_bbt: Bad block at 0x02e20000
nand_read_bbt: Bad block at 0x04260000
nand_read_bbt: Bad block at 0x04740000
nand_read_bbt: Bad block at 0x05040000
128 MiB
In:    serial
Out:   serial
Err:   serial
Net:   No ethernet found.
MSVC00B000100100208811DA0000000T 
Set MIU0 group priority:c9.....
Set MIU1 group priority:c9.....
Set MIU0 group priority:c9.....
Set MIU1 group priority:c9.....
Change MIU0 select.....
Group0:d80   Group1:88    Group2:200   Group3:f1   
Change MIU1 select.....
Group0:4200  Group1:e00   Group2:30    Group3:4000  


EEPROM @0x0 read: addr 80200000  off 1ffa  count 1 ... cmd: md.b 0x80200000 0x1
80200000: ff    .
done
80200000: 5a5aa5ff    ..ZZ


data_1[1ffa]--->:ff


check_keypad is[0]--keypad_pressed is [0] ---check_version is[0]
Set MIU0 group priority:c9.....
Set MIU1 group priority:c9.....
Set MIU0 group priority:c9.....
Set MIU1 group priority:c9.....
Change MIU0 select.....
Group0:d80   Group1:88    Group2:200   Group3:f1   
Change MIU1 select.....
Group0:4200  Group1:e00   Group2:30    Group3:4000  
Hit any key to stop autoboot:  0
0x00020000-0x07460000 : "mtd=1"
Volume KL found at volume id 1
read 4194304 bytes from volume 1 to 81000000(buf address)
## Booting image at 81000000 ...
   Image Name:   Linux-2.6.28.10-mstar
   Created:      2010-11-15   9:43:23 UTC
   Image Type:   MIPS Linux Kernel Image (lzo compressed)
   Data Size:    3334400 Bytes =  3.2 MB
   Load Address: 80400000
   Entry Point:  80404150
   Uncompressing Kernel Image ... OK


Starting kernel ...


Linux version 2.6.28.10 (root@localhost.localdomain) (gcc version 4.3.2 (Sourcery G++ Lite 4.3-51) ) #14 PREEMPT Mon Nov 15 04:42:49 EST 2010


LINUX started...
boot_command_line: console=ttyS0,115200 ubi.mtd=1,2048 root=ubi:RFS rootfstype=ubifs rw LX_MEM=0x2800000 EMAC_MEM=0x100000 DRAM_LEN=0x10000000 LX_MEM2=0x45D64000,0x2200000 MS_GOP0_MIU=0 mtdparts=edb64M-nand:128k(NPT),119040k(UBI),-(NA)


LX_MEM  = 0x400000, 0x2800000
LX_MEM2 = 0x45D64000, 0x2200000
CPHYSADDR(PFN_ALIGN(&_end))= 0x991000
EMAC_LEN= 0x100000
DRAM_LEN= 0x10000000
console [early0] enabled
CPU revision is: 00019554 (MIPS 34Kc)
Begin Titania3_setup
Determined physical RAM map:
memory: 02800000 @ 00400000 (usable)
memory: 02200000 @ 45d64000 (usable)
Wasting 32768 bytes for tracking 1024 unused pages
Initrd not found or empty - disabling initrd
Zone PFN ranges:
  DMA      0x00000400 -> 0x00008000
  Normal   0x00008000 -> 0x00020000
  HighMem  0x00020000 -> 0x00047f64
Movable zone start PFN for each node
early_node_map[2] active PFN ranges
    0: 0x00000400 -> 0x00002c00
    0: 0x00045d64 -> 0x00047f64
  Normal zone: 768 pages exceeds realsize 0
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 17417
Kernel command line: console=ttyS0,115200 ubi.mtd=1,2048 root=ubi:RFS rootfstype=ubifs rw LX_MEM=0x2800000 EMAC_MEM=0x100000 DRAM_LEN=0x10000000 LX_MEM2=0x45D64000,0x2200000 MS_GOP0_MIU=0 mtdparts=edb64M-nand:128k(NPT),119040k(UBI),-(NA)
alloc ebase: 81207000
Primary instruction cache 32kB, VIPT, 4-way, linesize 32 bytes.
Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
Writing ErrCtl register=00057a34
Readback ErrCtl register=00057a34
PID hash table entries: 256 (order: 8, 1024 bytes)
CPU freq count = 252000000
CPU frequency 504.00 MHz
console handover: boot [early0] -> real [ttyS0]
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory: 67908k/40960k available (3792k kernel code, 7848k reserved, 1335k data, 168k init, 34816k highmem)
SLUB: Genslabs=6, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Calibrating delay loop... 334.84 BogoMIPS (lpj=167424)
Mount-cache hash table entries: 512
net_namespace: 288 bytes
NET: Registered protocol family 16
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
cfg80211: Using static regulatory domain info
cfg80211: Regulatory domain: US
        (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
        (2402000 KHz - 2472000 KHz @ 40000 KHz), (600 mBi, 2700 mBm)
        (5170000 KHz - 5190000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
        (5190000 KHz - 5210000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
        (5210000 KHz - 5230000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
        (5230000 KHz - 5330000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
        (5735000 KHz - 5835000 KHz @ 40000 KHz), (600 mBi, 3000 mBm)
cfg80211: Calling CRDA for country: US
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 2048 (order: 2, 16384 bytes)
TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
TCP: Hash tables configured (established 2048 bind 2048)
TCP reno registered
NET: Registered protocol family 1
highmem bounce pool size: 64 pages
NTFS driver 2.1.29 [Flags: R/O].
JFFS2 version 2.2. (NAND)2001-2006 Red Hat, Inc.
fuse init (API version 7.10)
msgmni has been set to 64
alg: No test for stdrng (krng)
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
Serial: 8250/16550 driver4 ports, IRQ sharing disabled
serial8250: ttyS0 at I/O 0xbf201300 (irq = 8) is a 16550
brd: module loaded
loop: module loaded
PPP generic driver version 2.4.2
PPP Deflate Compression module registered
PPP BSD Compression module registered
PPP MPPE Compression module registered
NET: Registered protocol family 24
PPPoL2TP kernel driver, V1.0
pegasus: v0.6.14 (2006/09/27), Pegasus/Pegasus II USB Ethernet driver
usbcore: registered new interface driver pegasus
rtl8150: v0.6.2 (2004/08/27):rtl8150 based usb-ethernet driver
usbcore: registered new interface driver rtl8150
usbcore: registered new interface driver asix
usbcore: registered new interface driver cdc_ether
usbcore: registered new interface driver net1080
usbcore: registered new interface driver rndis_host
usbcore: registered new interface driver cdc_subset
usbcore: registered new interface driver zaurus
Linux video capture interface: v2.00
usbcore: registered new interface driver uvcvideo
USB Video Class driver (v0.1.0)
Driver 'sd' needs updating - please use bus_type methods
Driver 'sr' needs updating - please use bus_type methods
usbmon: debugfs is not available
Mstar-ehci-2 H.W init
Titania3_later_start_ehc2 start
红灯亮不开背光，电源电压有，按键有反应。

杨建民

是背光坏了吗？

qc2007

CPU木有工作啊

成功穿越的穿越

背光好的，

成功穿越的穿越

qc2007 发表于 2016-12-22 14:41
CPU木有工作啊

哪里看得出，谢谢。

明珠家电

CPU工作条件不具备

喝彩2723

主程序坏，升级程序！

东营心悦电器

flash坏或是程序掉

小鱼儿家电配件

[123456789][12345678]-54

宋亚军

首先检测主控IC核心及主要供电电压是否正常，纹波系数是否正常，如果都正常然后其他写主程序试试