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nordcore
 Post subject: Re: WD1001FALS-00E3A0 - pcb dead?
PostPosted: August 31st, 2011, 8:59 
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Joined: August 26th, 2011, 10:20
Posts: 18
Location: netherlands
nordcore wrote:
northwind wrote:
OK, so you have a handfull of choices. OK, almost a handfull.

a) Take the risk and remove the TVS. This can result in either lucky outcome or (very) unlucky outcome. This means that it could work and your disk would give you access to user data (at least for some period of time) or it could not work and further damage to disk could be caused. Or none of these two. If you ask me, I would go ahead and remove the TVS and replace it with another from a good PCB and give it a try.

b) Move the U12 chip from patient PCB to donor and try. The chances of doing further damage are slim. But chances for bad outcome are also there. If you are experienced in using a hot-air gun, you could give it a try. If you're not, DON'T DO IT.

c) Give it to a pro. If the problem on your disk is only its PCB, then it won't cost you 500 euros. There are PRO's in this forum who can do it for you for $200-or less (that's 1/3 of the price you mentioned).

In any case, good luck !!


hi there,

My new WD1001FALS has arrived yesterday.
Today I want to remove/replace the D4 from the broken pcb.

Can I just take a D4 from any other type of drive from WD?

I work as a network administrator for a company and I've found some (unused) WD drives, for example a:

WD1600AAJS-00PSA0

Can I just take the D4 diode from this pcb and use it on the broken one?
kind regards


I gambled and took the risk...
I've removed the D4 and replaced it with another one, disk is still dead.

I took the D4 diode from another pcb but it doesn't work, the only different is that the D4 from the other board is a little bit larger that the original one, does this matter?

Probably there also is a possibility that the drive itself is broken.
I could take the pcb from the replacement disk I got from WD for the warranty, even though it's not the exact same pcb model...
would the drive power on if I try that? I allreay know I can't access the data tself with this method from you guys...
Then the least thing I can do is determine if it's the power connector thats broken or the drive itself or can't I do that? anybody?
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scope_pal
 Post subject: Re: WD1001FALS-00E3A0 - pcb dead?
PostPosted: August 31st, 2011, 10:38 
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Joined: July 31st, 2011, 9:47
Posts: 12
Location: united states
previous edited.


Last edited by scope_pal on August 31st, 2011, 10:46, edited 1 time in total.

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nordcore
 Post subject: Re: WD1001FALS-00E3A0 - pcb dead?
PostPosted: August 31st, 2011, 10:40 
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Joined: August 26th, 2011, 10:20
Posts: 18
Location: netherlands
scope_pal wrote:
using a different pcb from a different model could kill the preamp.


even though they are from the same serie?

The broken pcb is WD1001FALS-00E3A0 and the new pcb is WD1001FALS-00E8B0, both belonging to a WD caviar black 1TB.
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nordcore
 Post subject: Re: WD1001FALS-00E3A0 - pcb dead?
PostPosted: August 31st, 2011, 11:19 
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Joined: August 26th, 2011, 10:20
Posts: 18
Location: netherlands
edited..
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nordcore
 Post subject: Re: WD1001FALS-00E3A0 - pcb dead?
PostPosted: August 31st, 2011, 11:21 
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Joined: August 26th, 2011, 10:20
Posts: 18
Location: netherlands
nordcore wrote:
scope_pal wrote:
using a different pcb from a different model could kill the preamp.


even though they are from the same serie?

The broken pcb is WD1001FALS-00E3A0 and the new pcb is WD1001FALS-00E8B0, both belonging to a WD caviar black 1TB.


please ignore this last post by user "scope_pal" , at that moment he didn't knew that the pcb's where from the same family

i'm making a mess of it I know, but I can only edit a message thats max 30 minutes old or so...
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hddguy
 Post subject: Re: WD1001FALS-00E3A0 - pcb dead?
PostPosted: August 31st, 2011, 11:48 
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Joined: November 9th, 2006, 15:15
Posts: 2984
I think this is getting beyond the point of DIY.

Assuming it was simply a TVS problem, then it is plausible that you could save yourself costs and repair yourself. But as this appears not to be the problem you need now a professional diagnosis.

The problem could be related to preamp, in which case applying new PCBs will only cause more damage. If the problem is elsewhere it needs to be accurately diagnosed which is beyond your capabilities.

Assuming the problem is actually the PCB, it will require replacement but only after confirmation preamp is not damaged and following reprogramming of drive-specific adaptive data - again, something you need professional assistance with.

Quote:
I could take the pcb from the replacement disk I got from WD for the warranty, even though it's not the exact same pcb model...
would the drive power on if I try that?


If the data is not so important you can try this. It will not allow data access, but assuming it is just PCB at fault the spindle may start.

But everything from this point on will come with risks. The question now is how much you value your data...
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nordcore
 Post subject: Re: WD1001FALS-00E3A0 - pcb dead?
PostPosted: August 31st, 2011, 11:48 
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Joined: August 26th, 2011, 10:20
Posts: 18
Location: netherlands
I just found out I was looking at the wrong pcb number.

My broken hard drive had pcb 2060-701640-002 REV A , which is commonly used I see.
I've found a replacement pcb at: http://www.hddzone.com/wd-2060701640002-pcb-p-276.html

So the best thing to do is probably buy the new pcb, put the u12 chip on it and start up the drive..

edit: I was a little bit to fast with responding...I see I have another great reply...
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hddguy
 Post subject: Re: WD1001FALS-00E3A0 - pcb dead?
PostPosted: August 31st, 2011, 11:50 
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Joined: November 9th, 2006, 15:15
Posts: 2984
nordcore wrote:

put the u12 chip on it and start up the drive..


Didn't realise there was external ROM! :roll:

The PCB you have already from same series should be OK for transfer of ROM...
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nordcore
 Post subject: Re: WD1001FALS-00E3A0 - pcb dead?
PostPosted: September 7th, 2011, 7:16 
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Joined: August 26th, 2011, 10:20
Posts: 18
Location: netherlands
I've got news:
Today I received two pcb's with exactly the same build number.
They came from china per express service so I received them within a week.

I've atatched both pcb's and the drive won't spin up at all, won't go on at all.
So out of frustration I attached the pcb from the newer WD drive I received from WD and to my surprise the drive spins up, the power gets through.
Only problem is I can't read the data now but I knew this allready from you guys.

At least now I know that de drive itself is not broken but only the pcb...
Now I have to find a working spare pcb, very frustrating that these 2 don't work at all.

so no I have 3 exactly the same pcb's who are all dead, anyone has any tips?
I've bought both pcb's at "drivestar.biz" and payd by paypal.
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nordcore
 Post subject: Re: WD1001FALS-00E3A0 - pcb dead?
PostPosted: September 7th, 2011, 9:29 
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Joined: August 26th, 2011, 10:20
Posts: 18
Location: netherlands
nordcore wrote:
I've got news:
Today I received two pcb's with exactly the same build number.
They came from china per express service so I received them within a week.

I've atatched both pcb's and the drive won't spin up at all, won't go on at all.
So out of frustration I attached the pcb from the newer WD drive I received from WD and to my surprise the drive spins up, the power gets through.
Only problem is I can't read the data now but I knew this allready from you guys.

At least now I know that de drive itself is not broken but only the pcb...
Now I have to find a working spare pcb, very frustrating that these 2 don't work at all.

so no I have 3 exactly the same pcb's who are all dead, anyone has any tips?
I've bought both pcb's at "drivestar.biz" and payd by paypal.



I'm almost sure the pcb's I received are dead, beacause with the other pcb (from the new drive WD send me) the drive is spinning up.
I've just put the 2 replacement pcb's on the new Hard drive WD send me, the drive wont start at all now, so I'm pretty sure the pcb's I received from china are broken.
I just don't understand why somebody would send me 2 broken pcb's.

very frustrating
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labtech
 Post subject: Re: WD1001FALS-00E3A0 - pcb dead?
PostPosted: September 8th, 2011, 1:20 
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Joined: August 18th, 2010, 17:35
Posts: 3669
Location: Massachusetts, USA
If the two PCBs you received from China are compatible with the original board and they spun your drive, then they are/were not broken. The reason I said "are" is because they may still be good given the preamp on the drive is fine. However, if the preamp on the drive is bad, there is a possibility that a faulty preamp can damage a good board upon powering on, hence used "were".

You need a proper diagnosis, just that simple.

_________________
Hard Disk Drive (HDD), Solid State Drive (SSD, SATA, NVMe, etc), USB Flash Drive and RAID Data Recovery Specialist in Massachusetts
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nordcore
 Post subject: Re: WD1001FALS-00E3A0 - pcb dead?
PostPosted: September 8th, 2011, 4:06 
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Joined: August 26th, 2011, 10:20
Posts: 18
Location: netherlands
labtech wrote:
If the two PCBs you received from China are compatible with the original board and they spun your drive, then they are/were not broken. The reason I said "are" is because they may still be good given the preamp on the drive is fine. However, if the preamp on the drive is bad, there is a possibility that a faulty preamp can damage a good board upon powering on, hence used "were".

You need a proper diagnosis, just that simple.


I understand what you mean but that doesn't explain why another PCB is working on this drive.
If the preamp damaged the other2 pcb it should also damage the new pcb from the drive I received from WD.
So again, my old drive is a WD1001FALS-00E3A0, with pcb 2060-701640-002 REV A
The new drive I received from WD is a WD1001FALS-00E8B0, with pcb 2060-701567-000 Rev A

when I use the pcb from the newdrive the HD gets power and starts spinning, when I use one of the 3 other pcb's I have now the pwoer won't get through at alle and nothing happens.
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labtech
 Post subject: Re: WD1001FALS-00E3A0 - pcb dead?
PostPosted: September 8th, 2011, 13:50 
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Joined: August 18th, 2010, 17:35
Posts: 3669
Location: Massachusetts, USA
So again, my old drive is a WD1001FALS-00E3A0, with pcb 2060-701640-002 REV A
The new drive I received from WD is a WD1001FALS-00E8B0, with pcb 2060-701567-000 Rev A
-------------------------------------

Those boards are not compatible.
-------------------------------------
when I use the pcb from the newdrive the HD gets power and starts spinning, when I use one of the 3 other pcb's I have now the pwoer won't get through at alle and nothing happens
-------------------------------------

I do not know what to say to this. Not sure what who sent you and in what condition and what happened after you tested on your drive.

There are some key fundamental tests to run once a part (drive or PCB) is received to see if what you receive is indeed working. In your case, you could not confirm because you do not have the equipment and knowledge to do so.

I think you have received plenty of advice on what to do and no progress has been made.

The only way to move forward is to seek pro service. Just make sure the company you send the drive to is specialized in data recovery, not some computer shop, because they may run into the same problem you have due to lack of know-how and tools. Also, check their credentials and that they do a free evaluation and there are no hidden fees. Make sure you send the original board with the drive and not any of the replacements you have ordered. If you are not sure, which one is the original at this point, send all of them.

Given you have not done anything to cause further damage, I still believe that is not going to be too expensive at this point. Worse case scenario you pay for shipping back and forth.

Best wishes.

_________________
Hard Disk Drive (HDD), Solid State Drive (SSD, SATA, NVMe, etc), USB Flash Drive and RAID Data Recovery Specialist in Massachusetts
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nordcore
 Post subject: Re: WD1001FALS-00E3A0 - pcb dead?
PostPosted: September 9th, 2011, 3:57 
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Joined: August 26th, 2011, 10:20
Posts: 18
Location: netherlands
labtech wrote:
So again, my old drive is a WD1001FALS-00E3A0, with pcb 2060-701640-002 REV A
The new drive I received from WD is a WD1001FALS-00E8B0, with pcb 2060-701567-000 Rev A
-------------------------------------

Those boards are not compatible.
-------------------------------------
when I use the pcb from the newdrive the HD gets power and starts spinning, when I use one of the 3 other pcb's I have now the pwoer won't get through at alle and nothing happens
-------------------------------------

I do not know what to say to this. Not sure what who sent you and in what condition and what happened after you tested on your drive.

There are some key fundamental tests to run once a part (drive or PCB) is received to see if what you receive is indeed working. In your case, you could not confirm because you do not have the equipment and knowledge to do so.

I think you have received plenty of advice on what to do and no progress has been made.

The only way to move forward is to seek pro service. Just make sure the company you send the drive to is specialized in data recovery, not some computer shop, because they may run into the same problem you have due to lack of know-how and tools. Also, check their credentials and that they do a free evaluation and there are no hidden fees. Make sure you send the original board with the drive and not any of the replacements you have ordered. If you are not sure, which one is the original at this point, send all of them.

Given you have not done anything to cause further damage, I still believe that is not going to be too expensive at this point. Worse case scenario you pay for shipping back and forth.

Best wishes.


I'm almost certain I'll do that :-).
The only thing I'm still waiting for is WD, they told me to look into it.
They are trying to find an exactly same Hard rive for me, if they have it on stock I'll give it a try, if not I'll send it to a pro, I allready contacted one on this board.

Thank you all for your help!
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