测电源正常，主板供电正常，打印信息如下：
能看出故障在哪里吗？谢谢
UART_115200
BIST0-OK
BIST1-OK
[0123456789A][0123456789]-54
[0123456789][0123456789]-44
_nPD
U-Boot 1.1.6 (Jan 19 2011 – 20:07:39)
Board: MSTAR TITANIA (CPU Speed 504 MHz)
DRAM:  0x8000000
Skipping flash_init
Module: KEYPAD USB FAT NAND UBI UBIFS NET EEPROM JFFS2 LOGO
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 0x00040000
nand_read_bbt: Bad block at 0x00060000
nand_read_bbt: Bad block at 0x02060000
nand_read_bbt: Bad block at 0x05d20000
128 MiB
In:    serial
Out:   serial
Err:   serial
Net:   No ethernet found.
MSVC00B000100100222324DA:100726T 
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  
cmd: md.b 0x80200000 0x1
80200000: ff    .
80200000: 5a5aa5ff    ..ZZ

.ndata_1[7fa]—>:ff
2.defatult_set is:165
3.*ucp is:255
keypad_pressed_1 is:0
keypad_pressed_2 is:01.MSAPI_WDT_StartHit any key to stop autoboot:  0
cmd: md.b 0x874bfef8 0x1
874bfef8: 01    .
cmd: md.b 0x874bfef9 0x1
874bfef9: 00    .
incorrect device type in UBI
Partition UBI not found!
load splash resoure failed!!2.MSAPI_WDT_Clearincorrect device type in UBI
Partition UBI not found!
Error, no UBI device/partition selected!
## Booting image at 81000000 …
Bad Magic Number3.MSAPI_WDT_Stop<< MStar >>#

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