创维55E790U打印信息求助

czwg

改机故障遥控可以开关机，开机后红灯变绿灯后背光亮，屏幕黑屏，没有开机声音和画面，
改机打印信息：2018-1-25, 15:28:36
COM5, BaudRate:115200 bps, RXD: VGA->12,TXD: VGA->15, Printed by RT809H:

UART_115200
[AT][MB][start sb][0]
AC_ON
AutoDQS0-[456789ABCD][456789ABCD][23456789ABC][123456789A]-[0x5788]
AutoDQS1-[456789ABCD][456789ABCD][3456789AB][123456789AB]-[0x6788]
BIST0-OK
BIST1-OK
_U[AT][MB][start ub][340]


U-Boot 2011.06 (Sep 27 2013 - 13:29:09)


CPU  : Nike
Board: BD_MST049B_CUS36_NIKE


Hello U-Boot
DRAM:  458 MiB
SPI:  Flash is detected (0x0914, 0x1C, 0x70, 0x15)
spi_init: cfg_env_offset: 0x1e0000, at 560
uboot held at [3b6ddf60~3ca00000]
Now running in RAM - U-Boot at: 3bb00000
MMC:        eMMC 3775MB [75FFF8h]


UART BUS OFF!!PM51 APP build code time Aug 21 2013  13:16:13




Lib51 build code time Aug 21 2013  13:15:24

Hello Main

_MDrv_PM_PowerDown2Standby
请教高手们指点一下

ahsztiancl

U 盘升级试试看....

czwg

刷机没反应，不是数据问题

冷焚

_MDrv_PM_PowerDown2Standby   这个应该是说明机器处于待机状态！

czwg

好像也是，是遥控器没有二次开机

ltlqch

UART BUS OFF! 串口关闭