求教海康录像机维修方法

yogi16888 · 发表于 2026-3-3 21:20:17

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一台海康7808NB录像机，开机没有显示，接TTL显示内如如下，尝试了多种方法都没成功

U-Boot 2010.06-svn29251 (Jan 22 2019 - 15:56:00)

read uboot_env failedenviroment "ver" is not update!
Saving Environment to NAND...
Erasing Nand...
Erasing at 0x1c0000 -- 100% complete.
Writing to Nand... done
Hit ctrl+u to stop autoboot:  0
HKVS $
HKVS $
HKVS $
HKVS $
HKVS $

U-Boot 2010.06-svn29251 (Jan 22 2019 - 15:56:00)

read uboot_env failedenviroment "ver" is not update!
Saving Environment to NAND...
Erasing Nand...
Erasing at 0x1c0000 -- 100% complete.
Writing to Nand... done
Hit ctrl+u to stop autoboot:  0
## Loading boot0 ...
## Load boot0 Complete
Verifying RSA ... OK
## Booting kernel from Legacy Image at 82000000 ...
Verifying Checksum ... OK
Loading Kernel Image ... OK
OK

Starting kernel ...

[ 2.382913] init(1) called reboot syscall, cmd: 0x0.
Thu Jan  1 00:00:02 UTC 1970

mv: can't rename 'ubi*': No such file or directory
Starting udev:    [ OK ]
sh: 00:00:00:00:00:00: unknown operand
sh: 00:00:00:00:00:00: unknown operand
ifconfig: SIOCGIFFLAGS: No such device
ifconfig: SIOCSIFADDR: No such device
route: SIOCADDRT: Network is unreachable
[root@dvrdvs /] #
[root@dvrdvs /] #
[root@dvrdvs /] #
[root@dvrdvs /] #
[root@dvrdvs /] #