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
November 21st, 2011, 11:05
Dear friends,
I have a big problem and I suppose that you can help me. I have a portable Samsung 500GB HDD and probably PCB's defectived. I have to access my HDD to recover my data and because of that I bought a new HDD to change PCB and access to my old HDD. But it's didn't work

. Please give a some advice to me about how can access my old data drive and get my datas!
HDD model : HM502JX
HDD P/N : HM502JX/VPZ
Capacity : 500GB
PCB : BF41-00288A 01
Many Thanks.
November 21st, 2011, 11:14
PCB ROM Transfer.
There are companies available which can do it for you.
November 21st, 2011, 11:26
Proper diags & info is needed not just "I have a portable Samsung 500GB HDD and probably PCB's defectived"
ie:
whats the fault?
was it dropped?
does the drive spin with the original pbc?
does it make a clicking sound?
is the usb port solder points ok?
Is the drive recognised in BIOS & disk management?
Give as much info as possible
Loki
November 21st, 2011, 11:36
Dear Loki, Sorry, You are right.
Fault : USB port broken, I repaired and tested, not worked! Get a new HDD, take off PCB and tried, didn't worked!
Spin : Yes, drive spin with original PCB
Sound : There is no sound, just flip-flop light of old and also new PCB!
Port Solder : I repaired old one, also I have new one.
BIOS : Not recognised by Bios, not on Windows, I didn't tried with third party Disk management programs!
Thanks for support again.
November 21st, 2011, 12:29
The square chip that has the big M (marvel) on it has embedded rom info that is unique to the drive.
This would require specialist harware to copy over to the donor pbc - not DIY
A quick search on this forum showed you might be able to remove two pairs of capacitors & connect the Rx & Tx to a SATA connection on the original pbc.
samsung-hm502jx-usb-only-t15310.htmlIf you decide to opt to try a DIY fix then you accept the responseablity if it goes wrong.
Loki
November 21st, 2011, 14:57
Did you try your original PCB on your new drive?
Just curious ...
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