Zyxel Nsa325 brick (1 reply)

Its my first NAS repair

at first I replaced U38 (DDR3 Vcc) and two DDR ICs.
NAS began to turn on but reboot every 35sec
I have no idea how to fix it

_ _
        |  \/  |  _ _ ____   _____| | |
        | |\/| |/ _` | '__\ \ / / _ \ | |
        | |  | | (_| | |   \ V /  / | |
        |_|  |_|\__,_|_|    \_/ \___|_|_|
 _   _     ____              _
| | | |   |  )  ___   ___ | |_ 
| | | |___|  _ \ / _ \ / _ \| | 
| |_| |___| |_) | (_) | (_) | |_ 
 \___/    |____/ \___/ \___/ \__| 
 ** MARVELL BOARD: DB-88F6282A-BP LE 

U-Boot 1.1.4 (Nov 23 2012 - 14:38:22) Marvell version: 3.5.9

U-Boot code: 00600000 -> 0067FFF0  BSS: -> 006CFB00

Soc: 88F6282 A1CPU running @ 1600Mhz L2 running @ 533Mhz
SysClock = 533Mhz , TClock = 200Mhz 

DRAM (DDR3) CAS Latency = 7 tRP = 8 tRAS = 24 tRCD=8
DRAM CS[0] base 0x00000000   size 512MB 
DRAM Total size 512MB  16bit width
Addresses 10M - 0M are saved for the U-Boot usage.
Mem malloc Initialization (10M - 7M): Done
NAND:128 MB
Flash:  0 kB

CPU : Marvell Feroceon (Rev 1)
Kernel address is 0x4640000.

Streaming disabled 
Write allocate disabled


USB 0: host mode
  [BlueDBG] reseting SoC Pex[0]  0 ...
PEX 0: PCI Express Root Complex Interface
PEX interface detected Link X1
  [BlueDBG] reseting SoC Pex[1]  0 ...
  [BlueDBG] reseting SoC Pex[1]  1 ...
  [BlueDBG] reseting SoC Pex[1]  2 ...
  [BlueDBG] reseting SoC Pex[1]  3 ...
  [BlueDBG] reseting SoC Pex[1]  4 ...
  [BlueDBG] reseting SoC Pex[1]  5 ...
  [BlueDBG] reseting SoC Pex[1]  6 ...
  [BlueDBG] reseting SoC Pex[1]  7 ...
  [BlueDBG] reseting SoC Pex[1]  8 ...
  [BlueDBG] reseting SoC Pex[1]  9 ...
  [BlueDBG] reseting SoC Pex[1]  10 ...
PEX 1: interface detected no Link.
Net:   egiga0 [PRIME]
Hit any key to stop autoboot:  0 

NAND read: device 0 offset 0x4640000, size 0xa00000


Reading data from 0x4640000 --   0% complete.
Reading data from 0x4659800 --   1% complete.
Reading data from 0x4673000 --   2% complete.
Reading data from 0x468c800 --   3% complete.
Reading data from 0x46a6000 --   4% complete.
Reading data from 0x46bf800 --   5% complete.
Reading data from 0x46d9800 --   6% complete.
Reading data from 0x46f3000 --   7% complete.
Reading data from 0x470c800 --   8% complete.
Reading data from 0x4726000 --   9% complete.
Reading data from 0x473f800 --  10% complete.
Reading data from 0x4759800 --  11% complete.
Reading data from 0x4773000 --  12% complete.
Reading data from 0x478c800 --  13% complete.
Reading data from 0x47a6000 --  14% complete.
Reading data from 0x47bf800 --  15% complete.
Reading data from 0x47d9800 --  16% complete.
Reading data from 0x47f3000 --  17% complete.
Reading data from 0x480c800 --  18% complete.
Reading data from 0x4826000 --  19% complete.
Reading data from 0x483f800 --  20% complete.
Reading data from 0x4859800 --  21% complete.
Reading data from 0x4873000 --  22% complete.
Reading data from 0x488c800 --  23% complete.
Reading data from 0x48a6000 --  24% complete.
Reading data from 0x48bf800 --  25% complete.
Reading data from 0x48d9800 --  26% complete.
Reading data from 0x48f3000 --  27% complete.
Reading data from 0x490c800 --  28% complete.
Reading data from 0x4926000 --  29% complete.
Reading data from 0x493f800 --  30% complete.
Reading data from 0x4959800 --  31% complete.
Reading data from 0x4973000 --  32% complete.
Reading data from 0x498c800 --  33% complete.
Reading data from 0x49a6000 --  34% complete.
Reading data from 0x49bf800 --  35% complete.
Reading data from 0x49d9800 --  36% complete.
Reading data from 0x49f3000 --  37% complete.
Reading data from 0x4a0c800 --  38% complete.
Reading data from 0x4a26000 --  39% complete.
Reading data from 0x4a3f800 --  40% complete.
Reading data from 0x4a59800 --  41% complete.
Reading data from 0x4a73000 --  42% complete.
Reading data from 0x4a8c800 --  43% complete.
Reading data from 0x4aa6000 --  44% complete.
Reading data from 0x4abf800 --  45% complete.
Reading data from 0x4ad9800 --  46% complete.
Reading data from 0x4af3000 --  47% complete.
Reading data from 0x4b0c800 --  48% complete.
Reading data from 0x4b26000 --  49% complete.
Reading data from 0x4b3f800 --  50% complete.
Reading data from 0x4b59800 --  51% complete.
Reading data from 0x4b73000 --  52% complete.
Reading data from 0x4b8c800 --  53% complete.
Reading data from 0x4ba6000 --  54% complete.
Reading data from 0x4bbf800 --  55% complete.
Reading data from 0x4bd9800 --  56% complete.
Reading data from 0x4bf3000 --  57% complete.
Reading data from 0x4c0c800 --  58% complete.
Reading data from 0x4c26000 --  59% complete.
Reading data from 0x4c3f800 --  60% complete.
Reading data from 0x4c59800 --  61% complete.
Reading data from 0x4c73000 --  62% complete.
Reading data from 0x4c8c800 --  63% complete.
Reading data from 0x4ca6000 --  64% complete.
Reading data from 0x4cbf800 --  65% complete.
Reading data from 0x4cd9800 --  66% complete.
Reading data from 0x4cf3000 --  67% complete.
Reading data from 0x4d0c800 --  68% complete.
Reading data from 0x4d26000 --  69% complete.
Reading data from 0x4d3f800 --  70% complete.
Reading data from 0x4d59800 --  71% complete.
Reading data from 0x4d73000 --  72% complete.
Reading data from 0x4d8c800 --  73% complete.
Reading data from 0x4da6000 --  74% complete.
Reading data from 0x4dbf800 --  75% complete.
Reading data from 0x4dd9800 --  76% complete.
Reading data from 0x4df3000 --  77% complete.
Reading data from 0x4e0c800 --  78% complete.
Reading data from 0x4e26000 --  79% complete.
Reading data from 0x4e3f800 --  80% complete.
Reading data from 0x4e59800 --  81% complete.
Reading data from 0x4e73000 --  82% complete.
Reading data from 0x4e8c800 --  83% complete.
Reading data from 0x4ea6000 --  84% complete.
Reading data from 0x4ebf800 --  85% complete.
Reading data from 0x4ed9800 --  86% complete.
Reading data from 0x4ef3000 --  87% complete.
Reading data from 0x4f0c800 --  88% complete.
Reading data from 0x4f26000 --  89% complete.
Reading data from 0x4f3f800 --  90% complete.
Reading data from 0x4f59800 --  91% complete.
Reading data from 0x4f73000 --  92% complete.
Reading data from 0x4f8c800 --  93% complete.
Reading data from 0x4fa6000 --  94% complete.
Reading data from 0x4fbf800 --  95% complete.
Reading data from 0x4fd9800 --  96% complete.
Reading data from 0x4ff3000 --  97% complete.
Reading data from 0x500c800 --  98% complete.
Reading data from 0x5026000 --  99% complete.
Reading data from 0x503f800 -- 100% complete.
 10485760 bytes read: OK
## Booting image at 02000000 ...
   Image Name:   Linux-2.6.31.8
   Created:      2017-06-21   8:44:30 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    5796368 Bytes =  5.5 MB
   Load Address: 00008000
   Entry Point:  00008000
   Verifying Checksum ... OK
OK

Starting kernel ...

Uncompressing Linux.........

invalid compressed format (err=2)

 -- System halted