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jono-ats
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: September 22nd, 2008, 18:51 
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Location: Atlanta, GA
We see a lot of WD PCB failures, but on this series, we see a lot more mechanical problems. In either case, it is usually beyond an end-user's ability to fix and recover.

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Oscarvw
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: September 22nd, 2008, 19:01 
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Joined: September 22nd, 2008, 17:56
Posts: 4
harddrivespecialist wrote:
Oscarvw, What happens when you replaced a board?


TY harddrivespecialist, when I place the working board on the defective drive the behavior doesn't change, the drive is not recognized by BIOS, it tries to start, there are some clicks, this cycle repeats until BIOS gives up and continues to boot. If I put the PCB from the bad HD on the good one it just spins, no clicks, also not recgnized the BIOS.

O.
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harddrivespecialist
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: September 22nd, 2008, 19:03 
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Joined: January 15th, 2008, 11:06
Posts: 1419
Location: Providence, RI. Boston, MA USA
PCB is not your problem.
You have a problem with a heads.

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Oscarvw
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: September 22nd, 2008, 19:10 
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Joined: September 22nd, 2008, 17:56
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TY do you think a head swap by a specialist will do (or is too early to know)?
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harddrivespecialist
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: September 22nd, 2008, 19:47 
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Joined: January 15th, 2008, 11:06
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Location: Providence, RI. Boston, MA USA
Yes, that will solve your problem.

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Oscarvw
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: September 24th, 2008, 19:28 
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Joined: September 22nd, 2008, 17:56
Posts: 4
Update and conclusion.

After harddrivespecialist asked me about the board swapping results I decided to do it again since I did that only once and wanted to corroborate my previous results, this is what happened:
When I put the PCB from the good drive on the bad one I noticed that sometimes it would spin free (no clicks, no restarts), especially just after switching the PCB, after some system restarts it would click again, so I tried to
1) Put the new PCB in the old drive and if it freely rotated then
2) Return the original PCB to the bad drive and boot
1 out of 3 times the BIOS would recognize it (I booted many times before and after this without swapping PCBs and the BIOS never recognized it and always clicked)

So, I was able to recover about 99% of my important files, big files were more affected since there are surface errors and obviously get CRC errors more often.

I want to really thank harddrivespecialist and jono-ats for their comments, time and suggestions. I do appreciate what you do.

Oscar.
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iP-one
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: October 11th, 2008, 1:20 
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Joined: October 11th, 2008, 1:08
Posts: 1
Hi There. I just ran into the same problem earlier today and want to replace the board on the same exact HD. Can you help me with this issue? I'm not an expert in this area which is how I ended up here. Just searching for a fix. The board is exactly like the one in the pic chip per chip. Western Digital WD5000AAKS I pulled out of an iBook. I really would like to save my data on there. I know the disk inside has my data on it so i'm not chucking it. No way! If there's a will there's a way. I just don't want to send it away for repair if its possible I can somehow get it to work on my own.

I read the posts but will have to read it again. Any help would be most appreciated.

And if possible i'd like to know what's the price in US dollars for this circuitboard?

Thank you very much.
Stunned WD HD owner.
iP-one
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BlackST
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: October 11th, 2008, 2:09 
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Joined: July 18th, 2006, 3:05
Posts: 7476
Location: ITALY
Open a new thread instead of queuing. And as your problem is not different, so re-read the ENTIRE thread, use the search function and if the 'basic' solutions doesn't work, convince yourself you have to send it to a pro.
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harddrivespecialist
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: October 11th, 2008, 12:10 
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Joined: January 15th, 2008, 11:06
Posts: 1419
Location: Providence, RI. Boston, MA USA
BlackST wrote:
Open a new thread instead of queuing. And as your problem is not different, so re-read the ENTIRE thread, use the search function and if the 'basic' solutions doesn't work, convince yourself you have to send it to a pro.


Explain the problem with your drive, provide as many details as possible.

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Amarbir[CDR-Labs]
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: October 11th, 2008, 14:54 
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Joined: August 15th, 2006, 3:01
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Location: CDRLabs @ Chandigarh [ India ]
Oscarvw wrote:
Hi guys I have a WD5000AAKS-07YGA0 with the same problem (I'm annexing pictures), do you think there is any chance that the MPU might be working?, the BIOS won't recognize the disk, the platters do spin but stop since the drive can't be initialized.
Also, I tried to replace the PCB with a similar one (from a WD5000AAKS-75YGA0, and only one difference on the PCB number, from 2061-701477-900 AD to 2061-701477-900 AE, also the last 5 digits from the DCM match from HANNNT2MAB to HBRCHT2MAB) without success, I'm aware that the firmware has specific data that is unique to the drive, do you think there is a chance of success if I get a drive with exact matching numbers to replace the PCB and hope that both are similarly calibrated? Or maybe if the original MPU survived then change it to the new PCB I already have?

Thank you in advance for all your help.

Oscar.

Attachment:
wd5000aaks-pcb-foam.jpg
Attachment:
wd5000aaks-pcb-front.jpg


Quote:
Whatever drive you get, it will likely fail. The solution is not another brand, but another strategy. Have everything important backed up.


I agree, nothing like back up, even though, there seems to be an agreement that WD is the brand with the highest failure ratio though.



Hi ,
Client Gave a WD5000AACS WD Caviar GP MDL WD5000AACS-00ZUB0 DCM :HARCHTJAHB .This Has Some Issues Too ,I am Currently Experimenting And Disclose Little Later ,Exactly Same Situation

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Amarbir[CDR-Labs]
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: October 11th, 2008, 15:08 
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Joined: August 15th, 2006, 3:01
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Location: CDRLabs @ Chandigarh [ India ]
Hi ,
BIOS Does Not Recognize ,Testing With Stethoscope Shows The Heads Try To Find Something and Keeps Doing Char Char And Intimately the Drive Given Up and Spins Down ,the PCb is Not Burned But The MCU gets HOT and But Not Like a Short Circuit HOT .WEll No Way To Read Adaptives In MCU By Safe Mode Method PCI 2.27 Does Not Work On This Drive ,so Waiting For My Salvation Tools

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Amarbir S Dhillon , Chandigarh Data Recovery Labs [India]
Logical,Semi Physical And Physical Data Recovery
Website-> http://www.chandigarhdatarecovery.com
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BlackST
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: October 11th, 2008, 15:48 
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Joined: July 18th, 2006, 3:05
Posts: 7476
Location: ITALY
Hint: follow the traces that go into the mcu, where do them go outside the pcb and... You'll find what caused the problem. No salvation tool can help. Amarbir, time to use your scope, bad news maybe but it'll take 2 minutes to confirm.
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Amarbir[CDR-Labs]
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: October 12th, 2008, 10:30 
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Location: CDRLabs @ Chandigarh [ India ]
BlackST wrote:
Hint: follow the traces that go into the mcu, where do them go outside the pcb and... You'll find what caused the problem. No salvation tool can help. Amarbir, time to use your scope, bad news maybe but it'll take 2 minutes to confirm.


Hi ,
you Hinting the Heads and Preamp

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Amarbir S Dhillon , Chandigarh Data Recovery Labs [India]
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BlackST
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: October 12th, 2008, 12:39 
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Joined: July 18th, 2006, 3:05
Posts: 7476
Location: ITALY
Bingo !
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pindotindia
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: November 6th, 2008, 5:02 
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Joined: November 6th, 2008, 4:26
Posts: 3
Oscarvw, DEAR SIR I ALSO HAVE A SAME CASE IF THERE IS ANY AVAILABILITY OF THE LOGIC CARD, PLEASE LET ME KNOW. AND FROM WHERE YOU GOT THE DATA BACK. (I MEAND THE DATA RECOVERY PERSONELL)
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pindotindia
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: November 6th, 2008, 6:02 
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Joined: November 6th, 2008, 4:26
Posts: 3
harddrivespecialist, dear sir, i have the same problem my drive is WD5000AAKS
MDL : wd5000aaks-00tma0
DCM : HBRCNV2AB
PCB DETAILS : 2061-701477-800 AB XW4D04 00YD 3 0006290 7296
, it was working okay even the last day night and abruptly in the morning it stopped, the problem in my knoledge is with the pcb. the drive was not spinning
before and abruptly there was no activity. if i swapped the pcb with a working one the drive started spinning but was not detected by the bios. and after a few seconds stops spinning.
please help me in this case
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harddrivespecialist
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: November 6th, 2008, 11:32 
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Joined: January 15th, 2008, 11:06
Posts: 1419
Location: Providence, RI. Boston, MA USA
pindotindia wrote:
Oscarvw, DEAR SIR I ALSO HAVE A SAME CASE IF THERE IS ANY AVAILABILITY OF THE LOGIC CARD, PLEASE LET ME KNOW. AND FROM WHERE YOU GOT THE DATA BACK. (I MEAND THE DATA RECOVERY PERSONELL)

You have to reprogram new board in order for it to macth your drive. Only DR company would be able to do it.

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pindotindia
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: November 7th, 2008, 0:00 
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Joined: November 6th, 2008, 4:26
Posts: 3
harddrivespecialist, sir i'm located in delhi. plz suggest me a data recovery specialist who'll be reasonable and efficient.

or can i try to do it on my own

i've checked the availibility of the logic card from a hard drive marked
WD5000AAKS-00TMA0 it is available
do i have to reprogram it, or the same will work (the numbers of the logic card does'nt match completely)
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rameez
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: November 7th, 2008, 14:26 
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Joined: June 27th, 2006, 11:33
Posts: 2288
Location: In ur HDD !
contact Amarbir or darkforce on this forum .
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cheadledatarecovery
 Post subject: Re: WD5000AAKS 00TMA0 failure
PostPosted: March 24th, 2009, 19:18 
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Joined: February 18th, 2009, 8:08
Posts: 306
Location: Manchester, UK
To all those with a failed WD5000AAKS pcb. Don't bother trying to replace it - it will not work! On this series of drive the ROM chip (previously at U12) has been integrated into the CPU controller chip. It contains adaptive information. Therefore swapping the PCB even with an exact match on the P/N & spindle number will result in failure.

Salvation data products for Western Digital now support a dynamic rebuild of the ROM in this series (ROYL) drives, however it is largely untested - software support for this was only released one month ago. You will require a data recovery company to repair this kind of drive. - Western Digital drives do not have fuse/diode protection (unlike Seagate & Samsung). Consequently any power surge will damage the motor controller chip.

If you have any questions, please ask,


Dr. John C. Reid
Cheadle Data Recovery
0161 408 4857
Skype: cheadledatarecovery
http://www.cheadledatarecovery.co.uk/

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