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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 13th, 2011, 13:49 
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Joined: November 29th, 2006, 10:08
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Location: UK
Doesn't sound like a full calibration noise to me.

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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 13th, 2011, 13:53 
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Joined: October 28th, 2009, 14:35
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Location: Toronto
I heard this sound so many times =) Its a Tornado being a Tornado =)


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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 15th, 2011, 23:02 
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Joined: April 10th, 2011, 21:01
Posts: 9
Location: USA-NJ
So here are pics of the PCB and foam.. any chance I can fix this myself?

Image

Image


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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 16th, 2011, 3:17 
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Joined: September 8th, 2009, 18:21
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Location: Australia
drdavidge wrote:
The link to the audio clip was delayed before it posted a few posts above - let me know what you guys think and let me know what you think the best course of action is.

I'm not a DR guy, but one thing you could try is to gently shine up the preamp contacts on the PCB with a soft white pencil eraser. Alternatively, you could use a cotton bud to apply a metal polish such as Brasso.

Materials changes mandated by RoHS have caused oxidation problems in both WD and Seagate drives. Hopefully your problem is as simple as a bad connection.

-Franc

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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 16th, 2011, 7:02 
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Joined: August 19th, 2007, 17:30
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fzabkar wrote:
I'm not a DR guy, but one thing you could try is to gently shine up the preamp contacts on the PCB with a soft white pencil eraser. Alternatively, you could use a cotton bud to apply a metal polish such as Brasso.

Materials changes mandated by RoHS have caused oxidation problems in both WD and Seagate drives. Hopefully your problem is as simple as a bad connection.

-Franc


Does anyone else see oxidized contacts on the picture above? :shock:

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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 16th, 2011, 8:32 
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Joined: July 18th, 2006, 3:05
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Location: ITALY
No.


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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 16th, 2011, 11:32 
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Joined: March 6th, 2011, 23:32
Posts: 260
Location: TN
It can't hurt to clean the contacts I do it every time I remove a board just SOP I have been able to obtain access to flaky drives by just doing the contacts regardless of appearance. It happens


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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 16th, 2011, 17:32 
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networks wrote:
It can't hurt to clean the contacts I do it every time I remove a board just SOP I have been able to obtain access to flaky drives by just doing the contacts regardless of appearance. It happens

Exactly, and that holds true for mainframe boards costing $10K, and having gold, pre-RoHS contacts.

Just because a plated copper pad may appear shiny, this does not mean that the actual contact point is oxide free. I find that this is particularly true of battery contacts which tend to develop black spot oxidation.

The OP has been fortunate in that s/he has been able to receive a proper diagnosis from and experienced and knowledgable forum member. Other, less capable, DR firms may have misquoted several $K for an HDA repair. Perhaps the OP's luck may extend to a simple cleanup.

Good luck, anyway.

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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 16th, 2011, 22:13 
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fzabkar wrote:
Other, less capable, DR firms may have misquoted several $K for an HDA repair. Perhaps the OP's luck may extend to a simple cleanup.


Is this a well documented fact or just your opinion? :shock:

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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 17th, 2011, 7:58 
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networks wrote:
It can't hurt to clean the contacts I do it every time I remove a board just SOP I have been able to obtain access to flaky drives by just doing the contacts regardless of appearance. It happens


It wasn't the contacts, for me, just a coincidence instead. It happens ;)


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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 17th, 2011, 15:58 
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Joined: April 10th, 2011, 21:01
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Location: USA-NJ
So guys, thanks again for the help so far. I have another working WD5000AAKS-00TMA0 drive here. Would I be doing any damage by swapping the working PCB on the non-working drive and giving it a shot to see if it works, or could that damage both drives?


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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 18th, 2011, 9:58 
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Joined: October 28th, 2009, 14:35
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Location: Toronto
if i am correct in my assumption - u should be fine. Chances of it working are low however.


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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 18th, 2011, 23:12 
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Joined: April 10th, 2011, 21:01
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Location: USA-NJ
Just tried it.. the bad hd starts up without the spinning down anymore with the good PCB..but it still doesnt get recogized in windows to see the folder list. Too bad.

What's the next step?


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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 19th, 2011, 3:48 
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Joined: July 18th, 2006, 3:05
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Location: ITALY
Get a professional diagnose.


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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 19th, 2011, 5:18 
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drdavidge wrote:
Just tried it.. the bad hd starts up without the spinning down anymore with the good PCB..but it still doesnt get recogized in windows to see the folder list. Too bad.

What's the next step?

Find someone who will transfer the original flash contents to your donor PCB.

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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 19th, 2011, 5:24 
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fzabkar wrote:
Find someone...


Can you be a little more specific with this "someone"? TV repair shop? Professional?

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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 19th, 2011, 5:50 
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Joined: July 18th, 2006, 3:05
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Location: ITALY
Never heard of TV repair shops (if they still exist beside ASCs that handle mostly warranty only) with PC3000 in their instruments stock...


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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 19th, 2011, 6:09 
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Joined: February 18th, 2009, 8:08
Posts: 306
Location: Manchester, UK
On this series of disk (WD5000AAKS-xxTMA0 & WD5000AAKS-xxYGA0) I've seen plenty where there's an issue with the ROM/controller chip. Disk spins up, becomes ready, as soon as any access is required to the drive it spins down then up again. Can access one LBA value at a time like this. The fix is to find a suitable donor PCB & regenerate the adaptive ROM. If you are lucky you might get a straight swap on the PCB and get full access, I have found this on working on matching drives in a RAID array. But more often than not rebuilding the ROM from the SA module is required. If you don't have suitable equipment for this contact a local data recovery company. You cannot do it yourself.

Regards,
John

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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 19th, 2011, 6:22 
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Joined: July 18th, 2006, 3:05
Posts: 7476
Location: ITALY
fzabkar wrote:
drdavidge wrote:
Just tried it.. the bad hd starts up without the spinning down anymore with the good PCB..but it still doesnt get recogized in windows to see the folder list. Too bad.

What's the next step?

Find someone who will transfer the original flash contents to your donor PCB.


Usually it would cost the same as recover data AND the problem is elsewhere so this idea WON'T WORK.

If you come here with a file and a blank EEPROM /PROM I program a single chip for a small fee, the more you ask (i.e. use of BGA or special adapters or MCUs) the more the price skyrockets as it is obvious to be (except if you ask me to program a stock of all equal pieces for small production). The same happens in every lab I know, maybe the poorest / less developed parts of this world are an exception, but it is impossible to withstand the taxes/costs of THIS side of the world doing things for 5-10$ taxes paid.


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 Post subject: Re: WD5000AAKS-00TMA0 - Damaged?
PostPosted: April 19th, 2011, 7:46 
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Joined: June 8th, 2006, 19:44
Posts: 3144
Location: Atlanta, GA
If there is someone on this forum who is willing to provide this service for a nominal fee, now is a good opportunity to offer your services.

I shy away from this type of contracted service . . . often there are bad sectors or other complications.

It's my experience, after working in repairs for more than 20 years, that the cheapest and "most clever" clients require much more support than the folks who are willing to pay full price to get the job done right.

Life is too short . . .

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