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Data recovery and disk repair questions and discussions related to old-fashioned SATA, SAS, SCSI, IDE, MFM hard drives - any type of storage device that has moving parts
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burnt out Western digital green HDD

March 18th, 2020, 15:07

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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if u take a look at the foam pad u can see a burn mark on it


burnt spot.jpg
if u take a close look at the chip u can see some burn spots on the top

Re: burnt out Western digital green HDD

March 18th, 2020, 15:16

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.

Re: burnt out Western digital green HDD

March 18th, 2020, 15:18

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.

Re: burnt out Western digital green HDD

March 18th, 2020, 16:00

thank u very much for the info guys

Re: burnt out Western digital green HDD

March 19th, 2020, 6:07

you might have a fried preamp,

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

Re: burnt out Western digital green HDD

March 19th, 2020, 11:14

pepe wrote:
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...

Re: burnt out Western digital green HDD

March 19th, 2020, 13:36

You can search for Tim (ddrecovery) is a member in this group he's in Phoenix. https://www.desertdatarecovery.com/

Re: burnt out Western digital green HDD

March 19th, 2020, 13:56

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.

Re: burnt out Western digital green HDD

March 21st, 2020, 6:46

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.

Re: burnt out Western digital green HDD

March 21st, 2020, 7:25

... 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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