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Josipe
 Post subject: burnt out Western digital green HDD
PostPosted: March 18th, 2020, 15:07 
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Joined: March 18th, 2020, 12:38
Posts: 9
Location: arizona
it seem that one of the chips on the controller board has burnt out. not quite sure how to fix this. i was thinking that maybe a board swap might work but im not totally sure. any help i this matter would be greatly appreciated. thank you. pictures below

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File comment: if u take a look at the foam pad u can see a burn mark on it
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File comment: if u take a close look at the chip u can see some burn spots on the top
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michael chiklis
 Post subject: Re: burnt out Western digital green HDD
PostPosted: March 18th, 2020, 15:16 
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Joined: December 5th, 2011, 5:38
Posts: 1749
Location: Verona, Italy
Your pcb needs to be replaced, however unfortunately it is not so simple.
After pcb swap you need to transfer patient rom (which is embedded inside the micro-controller chip) into donor pcb, for doing this you'll need professional data recovery tools.

P.S.
When the smooth chip burns sometimes it kills the head preamp (which is placed inside the hard drive on the head assembly), if this is your case you'll need to swap the entire head assembly.

You should contact a data recovery service.

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pclab
 Post subject: Re: burnt out Western digital green HDD
PostPosted: March 18th, 2020, 15:18 
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Joined: July 12th, 2010, 4:38
Posts: 1455
Location: Portugal
In this case a simple PCB swap is not possible.
You can do it, but you also need to swap the big Marvel Chip (ROM) to the new PCB.

It's an easy job if you have the right tools to read the ROM and write it on the donor PCB.

But with a burned Smooth chip, you might have a fried preamp, so a headswap might be needed as well.

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Josipe
 Post subject: Re: burnt out Western digital green HDD
PostPosted: March 18th, 2020, 16:00 
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Joined: March 18th, 2020, 12:38
Posts: 9
Location: arizona
thank u very much for the info guys
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pepe
 Post subject: Re: burnt out Western digital green HDD
PostPosted: March 19th, 2020, 6:07 
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Joined: October 3rd, 2005, 0:40
Posts: 4808
Location: Hungary
Quote:
you might have a fried preamp,

and if so, it is dangerous to try any pcb swap before sorting out the preamp issue.

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northwind
 Post subject: Re: burnt out Western digital green HDD
PostPosted: March 19th, 2020, 11:14 
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Joined: January 28th, 2009, 10:54
Posts: 3550
Location: Greece
pepe wrote:
Quote:
you might have a fried preamp,

and if so, it is dangerous to try any pcb swap before sorting out the preamp issue.


+1
You may zap it entirely...

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hdd_sand
 Post subject: Re: burnt out Western digital green HDD
PostPosted: March 19th, 2020, 13:36 
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Joined: January 29th, 2009, 11:23
Posts: 248
Location: SXSW
You can search for Tim (ddrecovery) is a member in this group he's in Phoenix. https://www.desertdatarecovery.com/
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ddrecovery
 Post subject: Re: burnt out Western digital green HDD
PostPosted: March 19th, 2020, 13:56 
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Joined: June 11th, 2013, 17:01
Posts: 1773
Location: Phoenix, AZ USA
hdd_sand wrote:
You can search for Tim (ddrecovery) is a member in this group he's in Phoenix. https://www.desertdatarecovery.com/

Thank you hdd_sand. Josipe we are here if you need us.

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ibcho
 Post subject: Re: burnt out Western digital green HDD
PostPosted: March 21st, 2020, 6:46 
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Joined: June 30th, 2008, 5:40
Posts: 64
pcb replacing won't work however, if you are good on soldering and have a hot air rework station , you can get the smooth power chip from another WD hard drive and replace it with yours.
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pepe
 Post subject: Re: burnt out Western digital green HDD
PostPosted: March 21st, 2020, 7:25 
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Joined: October 3rd, 2005, 0:40
Posts: 4808
Location: Hungary
... and without ruling out the preamp issue he can ruin his data forever...
Please, it is not a fairy tale, take it seriously.

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