海信电视主板RSAG7.820.4779不开机

梁卫华

今日接到朋友的一台海信电视,开盖检测,电源板主12v正常,伴音17.2V也正常,从主板过来的开机电压2.8v也有,电视指示灯显示绿灯,可背光不亮,电视黑屏,无伴音,又检测电源板的BL-on及BL-adj电压都为0V,原来主板没有正常工作啊!用表检测主板5V,3.3v,2.5V,1.25v
都正常,怎么不开机呢?是主芯片坏了吗?于是我连接编程器把打印信息复制出来,求高手看一下是哪里故障?打印信息如下:
Boot-
DRAM Channel A Calibration.
Byte 0 : Gating(1 ~ 96), Size=96, Mid=48, Set=48.
Byte 1 : Gating(1 ~ 96), Size=96, Mid=48, Set=48.
HW Byte 0 : DQS(22 ~ 59), Size 38, Set 40, HW_Set 41.
HW Byte 1 : DQS(23 ~ 51), Size 29, Set 37, HW_Set 39.
DRAM A Size = 256 Mbytes.
Boot
Start Pmain
0x0000a000
Nand boot
NID=0x9580f12c
LZHS addr:0x00100040
LZHS size:0x00095e70
LZHS checksum:0x00000056
Boot
Start Lmain

MT5389 Boot Loader v0.9
Boot reason: A/C power on!!
Load VGA internal EDID.................
Load HDMI internal EDID.................
CEC Physical offset 153
HDMI1 Physical adr 0x10
HDMI1 PA 0x10
HDMI1 checksum 0xaf
HDMI2 PA 0x20
HDMI2 checksum 0x9f
HDMI3 PA 0x30
HDMI3 checksum 0x8f
HDMI4 PA 0x40
HDMI4 checksum 0x7f
SIF_Master0: new design
SIF_Master1: old design
IR DATA register : 0x       0
Boot reason: A/C power on!!T8032 init A/C on case loader stage...
Load T8032 FW (addr: 0x  d78480, size: 24576)success!!
T8032 FW version: 75
T8032 change to loader stage...
LDR_FlashCopy 0xf010 0x4c580 0x80
Detect NAND flash ID: 0x9580F12C
Detect MT29F1G08AAC/ABADA NAND flash(SLC): 128MB
NAND_BDM_Mount: Partid=0, offset=0x0, size=0x200000
NAND_BDM_Mount: Partid: 0, Total Block Count: 16, Bad Block Count: 0
IR DATA register : 0x       0
Boot reason: A/C power on!!T8032 init A/C on case loader stage...
Load T8032 FW (addr: 0x  d78480, size: 24576)success!!
T8032 FW version: 75
T8032 change to loader stage...

Do USB upgrade
USB: Vbus turn up time = 212 ms.

No USB device.
USB upgrade stop
Boot reason: A/C power on!!Boot reason: A/C power on!!Org:0x34 Flags:0x34

/////////////////////////////go in PDWNC_Init(void)
Boot reason: A/C power on!![PCMCIA]Set PCMCIA Access IF : SPI
tSPIHW_Init ----- Set SPI PinMux
SPI dummy delay:0x10
External CI Version : MT8295 BNE
PCMCIA Reset Demod GPIO=14, 0->1
PLL Read : 0x0
PLL Predict : 0x890606F
SPI_SetPll(), spi clock: 27 Mhz
_ExternalIc_CheckAlive: unknown external IC
External CI is dead !
Version Code : 0x0
ExternalIc_Init: Daughter board is not connected.
PCMCIA_GPIO_Init: Daughter board is not connected.
Daughter board is not connected!!
Reset Demod GPIO=e, 0->1
Error WT6720 register setting
WT6720 gpio init
Enable Led blinking (gpio_idx 0, on_value 1, period 15, type: OPCTRL)

Flash load lzhs header from 0x80000 to dram(0x152c060), size=2048
Decompression uboot to 0x00800000...

Flash load image from 0x80000 to dram(0x152c060), size=0x43381
LZHS start
LZHS done
Starting image...



U-Boot starts...

Booting sequence is from NAND Flash
Detect NAND flash ID: 0x9580F12C
Detect MT29F1G08AAC/ABADA NAND flash: 128MB
128 MiB
In:    serial
Out:   serial
Err:   serial
Boot from kernelA and rootfsA(partition 6)
Hit any key to stop autoboot:  0
Partition rootfsA defined at mtdparts:
ID:6, Offset:0x00a00000, Size:0x00a00000

Loading from nand0, offset 0x600000
Automatic boot of image at addr 0x00008000 ...
Check signature from sigB
Partition sigB defined at mtdparts:
ID:3, Offset:0x00500000, Size:0x00100000
## Booting kernel from Legacy Image at 00008000 ...
   XIP Kernel Image ... OK
OK

Starting kernel ...

Uncompressing Linux... done, booting the kernel.
Linux version 2.6.35 (root@mtkcustsrv-hisense01) (gcc version 4.5.1 (GCC) ) #1 PREEMPT Wed Feb 22 14:02:05 CST 2012
CPU: ARMv6-compatible processor [410fb767] revision 7 (ARMv7), cr=00c5387f
CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
Machine: MT5389
Memory policy: ECC disabled, Data cache writeback
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 20066
Kernel command line: root=/dev/mtdblock6 rootwait lpj=1753088 console=ttyMT0,115200n1 mtdparts=mt53xx-nand:2M(uboot),2M(uboot_env),1M(sigA),1M(sigB),2M(kernelA),2M(kernelB),10M(rootfsA),10M(rootfsB),34M(basic),52M(rw_area),5M(perm),128k(reserved),256k(channelA),256k(channelB),256k(pq),128k(aq),1M(logo)
PID hash table entries: 512 (order: -1, 2048 bytes)
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Memory: 79MB = 79MB total
Memory: 76832k/76832k available, 4064k reserved, 0K highmem
Virtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
    DMA     : 0xffc00000 - 0xffe00000   (   2 MB)
    vmalloc : 0xc5000000 - 0xef800000   ( 680 MB)
    lowmem  : 0xc0000000 - 0xc4f00000   (  79 MB)
    modules : 0xbf000000 - 0xc0000000   (  16 MB)
      .init : 0xc0008000 - 0xc0020000   (  96 kB)
      .text : 0xc0020000 - 0xc0300000   (2944 kB)
      .data : 0xc0314000 - 0xc0329f00   (  88 kB)
Hierarchical RCU implementation.
        Verbose stalled-CPUs detection is disabled.
NR_IRQS:128
ckgen Xtal:27000000 Hz
Console: colour dummy device 80x30
console [ttyMT0] enabled
Calibrating delay loop (skipped) preset value.. 701.23 BogoMIPS (lpj=1753088)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
L310 cache controller enabled
l2x0: 8 ways, CACHE_ID 0x410000c8, AUX_CTRL 0x33420000
[1] swapper: obsolete system call 0067f7ee.
Code: e1a0800c e591c000 e35c0000 eff7f7ee (e3550000)
Internal error: Oops - bad syscall: 67f7ee [#1] PREEMPT
last sysfs file:
[1] swapper: obsolete system call 003ff7f3.
Code: e58d2004 e58d3010 e59d3024 efaff7f3 (e28d2004)
Internal error: Oops - bad syscall: 3ff7f3 [#2] PREEMPT
last sysfs file:
[1] swapper: obsolete system call 003ff7f3.
Code: e58d2004 e58d3010 e59d3024 efaff7f3 (e28d2004)
Internal error: Oops - bad syscall: 3ff7f3 [#3] PREEMPT
last sysfs file:
[1] swapper: obsolete system call 003ff7f3.
Code: e58d2004 e58d3010 e59d3024 efaff7f3 (e28d2004)
Internal error: Oops - bad syscall: 3ff7f3 [#4] PREEMPT
last sysfs file:
[1] swapper: obsolete system call 003ff7f3.
Code: e58d2004 e58d3010 e59d3024 efaff7f3 (e28d2004)
Internal error: Oops - bad syscall: 3ff7f3 [#5] PREEMPT
last sysfs file:
[1] swapper: obsolete system call 003ff7f3.
Code: e58d2004 e58d3010 e59d3024 efaff7f3 (e28d2004)
Internal error: Oops - bad syscall: 3ff7f3 [#6] PREEMPT
last sysfs file:
[1] swapper: obsolete system call 003ff7f3.
Code: e58d2004 e58d3010 e59d3024 efaff7f3 (e28d2004)
Internal error: Oops - bad syscall: 3ff7f3 [#7] PREEMPT
last sysfs file:
[1] swapper: obsolete system call 003ff7f3.
Code: e58d2004 e58d3010 e59d3024 efaff7f3 (e28d2004)
Internal error: Oops - bad syscall: 3ff7f3 [#8] PREEMPT
last sysfs file:
[1] swapper: obsolete system call 003ff7f3.
Code: e58d2004 e58d3010 e59d3024 efaff7f3 (e28d2004)
Internal error: Oops - bad syscall: 3ff7f3 [#9] PREEMPT
last sysfs file:
[1] swapper: obsolete system call 003ff7f3.
Code: e58d2004 e58d3010 e59d3024 efaff7f3 (e28d2004)
Internal error: Oops - bad syscall: 3ff7f3 [#10] PREEMPT
last sysfs file:
[1] swapper: obsolete system call 003ff7f3.
Code: e58d2004 e58d3010 e59d3024 efaff7f3 (e28d2004)
Internal error: Oops - bad syscall: 3ff7f3 [#11] PREEMPT
last sysfs file:
[1] swapper: obsolete system call 003ff7f3.
Code: e58d2004 e58d3010 e59d3024 efaff7f3 (e28d2004)
Internal error: Oops - bad syscall: 3ff7f3 [#12] PREEMPT
last sysfs file:
[1] swapper: obsolete system call 003ff7f3.
Code: e58d2004 e58d3010 e59d3024 efaff7f3 (e28d2004)
Internal error: Oops - bad syscall: 3ff7f3 [#13] PREEMPT
last sysfs file:
[1] swapper: obsolete system call 003ff7f3.
Code: e58d2004 e58d3010 e59d3024 efaff7f3 (e28d2004)
Internal error: Oops - bad syscall: 3ff7f3 [#14] PREEMPT
last sysfs file:
[1] swapper: obsolete system call 003ff7f3.
Code: e58d2004 e58d3010 e59d3024 efaff7f3 (e28d2004)
Internal error: Oops - bad syscall: 3ff7f3 [#15] PREEMPT
last sysfs file:
[1] swapper: obsolete system call 003ff7f3.
Code: e58d2004 e58d3010 e59d3024 efaff7f3 (e28d2004)
Internal error: Oops - bad syscall: 3ff7f3 [#16] PREEMPT
last sysfs file:
[1] swapper: obsolete system call 003ff7f3.

大眼睛刘大

楼主你的电视这个问题修好了吗，我的也是这个问题，