求助 酷开A43红灯不开机

yxhua258

客户说红灯亮不开机，送到店里我第一次开机正常没有问题，断电后重启亮红灯 二次不开机。第二天一试又是同样的现象，测主板供电1.5V 1.2V 3.3V都正常。查看打印信息显示如下  哪位师傅懂的请指教一下，谢谢

UART_115200

AC_ON
AutoDQS0-[456789ABCD][3456789ABC][3456789ABCD][456789ABCDE]-[0x9878]
AutoDQS1-[3456789ABCDE][3456789ABCDE][23456789ABCD][3456789ABCDE]-[0x8788]
BIST0-OK
BIST1-OK
_U
Relocation Offset is: 03b00000
[AT][MB][start ub][300]

U-Boot 2011.06-00000-g9d9ca6b-dirty (Jan 27 2015 - 17:41:36)

[NOS] UtopiaInit
1st UTOPIARegisterToUtopia is done[MBoot] Driver Register to Utopia
uboot held at [3e0ddf60~3f400000],size=013220a0
CPU  : Madison
Board: BD_MST066B_10AVX_14091_MADISON
DRAM:  500 MiB
Now running in RAM - U-Boot at: 3e500000

eMMC: DDR 48MHz
eMMC 3.68 GB [75FFF8h]
In:    serial
Out:   serial
Err:   serial
Net:   No ethernet found.
Get MAC from ethaddr env
MAC:  0xbc: 0xec: 0x23: 0x76:0xd8: 0xec

[CPU INFO] cpu opencreate instance at 3e1d77a8 with private size 44 bytes at 3e1d77f0
CPUIoctl - MDrv_CMD_CPU_QueryClock
[UTOPIA INFO] close moduleNames[38]: MODULE_CPU

msIR_Initialize
[AT][MBoot][Driver Init][585]

--u8adc0_value = ff

--u8adc1_value = ff

--u8adc2_value = 0

--u8adc3_value = 0
eeprom read:BC:EC:23:768:EC
(hjn)bSelectModelViaProjectID = 1
(hjn)u32ProjectIdAddr = 0x1dfc00
(hjn)u32ProjectIdBackupAddr = 0x1dfe00
(hjn)u8eep_id = 0x1
u32ProjectIdAddr = 0x1dfc00 u32ProjectIdBackupAddr = 0x1dfe00
eep_id = 0x1, u8project_id = 0x1
bFactoryDB_Copy = 0

Changelist:     24543697
============= set bootargs ===============
Unknown command 'if_51OnRam_set' - try 'help'
Hit any key to stop autoboot:  0
ddr MIU0 DDR3 1666
---wya--- do_check_safemode
---wya--- env_safemode =off
---wya--- eep_safemode =0
---wya--- before change eep_safemode =0 , env_safemode=off
AC on
---zhangfan--- product_state =170
**** do_bootcheck get_boot_mode_from_mtd0 BootMode: 0
**** get_boot_mode_from_env BootMode: 1
**** BootMode: 1
mmc change mount : tvconfig
Loading file "/config/PM.bin" at offset 0x0 from mmc device 0 partition tvconfig
24575 bytes read
Wait for PM51 standby...........