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 Post subject: Seagate Barracuda Power Loss. Please Help.
PostPosted: November 23rd, 2010, 12:05 
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Joined: November 23rd, 2010, 11:56
Posts: 2
Location: Lancashire
Hi,
I have a Seagate barracuda external hard drive that will not power up. I will list the specifications below.
I have tried removing the hard drive from the external box and inserting it into my pc and it will still not power up. It just makes the pc flash on and straight off until I unplug the power lead and the pc then powers up. I really need the data on it and some companies are asking for £300 to recover it for me. I have found an identical PCB for it but the Site code is different from mine. Mine is WU and the other is AMK. I wonder if this will work or not.

here are the specs for my ext HDD.

Seagate barracuda 7200.10 750 GBytes
S/N: 5QD1MEYN
ST3750640A
P/N: 9BJ048-307
Firmware: 3.AAF
Date Code: 08067
Site Code: WU

Main Chip on PCB: Agere 100427287

Many Thanks
Lee


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 Post subject: Re: Seagate Barracuda Power Loss. Please Help.
PostPosted: November 23rd, 2010, 14:01 
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Joined: February 27th, 2009, 3:26
Posts: 1721
Location: French Polynesia Tahiti
Even if you find a PCB for this it still will not work. Adaptive information has to be transfered to the new PCB board in order for you to read your drive again and for it to work with your drive.

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Iorana Haraharaini


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 Post subject: Re: Seagate Barracuda Power Loss. Please Help.
PostPosted: November 23rd, 2010, 14:04 
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Joined: November 23rd, 2010, 11:56
Posts: 2
Location: Lancashire
Thank you for your response.
So is there no way to retrieve any data on the hard drive?

Many Thanks
Lee


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 Post subject: Re: Seagate Barracuda Power Loss. Please Help.
PostPosted: November 23rd, 2010, 17:09 
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Joined: January 23rd, 2009, 6:29
Posts: 110
yes , if you can find same pcb model
:wink:

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NS DATA RECOVERY
www.nsrecovery.ir


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 Post subject: Re: Seagate Barracuda Power Loss. Please Help.
PostPosted: November 23rd, 2010, 17:15 
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Joined: September 8th, 2009, 18:21
Posts: 16974
Location: Australia
It appears that your drive may have a shorted TVS diode on either the +5V or +12V supply. If there is no other damage, then you can simply remove this diode with flush cutters. The drive will work without it, but it will no longer have overvoltage protection on the affected supply rail, so be absolutely certain your power supply is good.

If you upload a detailed photo of your PCB, one of us will help you with a DIY repair, if feasible.

Otherwise, if you need to purchase a PCB, try the following vendor:
http://www.onepcbsolution.com/

His price is US$40, plus $10 for a ROM transfer. The ROM transfer involves moving a serial EEPROM chip, or its contents, from patient to donor. This chip stores unique, drive specific "adaptive" data.

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A backup a day keeps DR away.


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