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Seagate ST31000528AS, - looking for some tips

 
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tester272001
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Joined: 08 Jan 2008
Posts: 37

PostPosted: Tue Nov 13, 2012 11:32 pm    Post subject: Seagate ST31000528AS, - looking for some tips Reply with quote

Client with post hurricane Sandy/power failure. firmware CC35 date mfg 09446. PCB is 100536501 REV A. This units PCB had a shorted 12V TVS diode and two zero Ohm resistors from the molex to the TVS. I removed the TVS and replaced the 0 Ohm resistors. The drive powers up and clicks like 6 times and then stops. The drive motor continues to spin. If I HOT plug the drive it is recognized by WinXP (or Win7) but if I boot with attached the BIOS does not post. Looking for some ideas or feedback as to wether this sounds like HDA failure or PCB failure. Would the 12V overload have fried the HDA PCB? Or generally only the main board ?
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tester272001
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Joined: 08 Jan 2008
Posts: 37

PostPosted: Fri Nov 16, 2012 3:34 am    Post subject: Reply with quote

Here is a link to the sound this drive is making:
http://picosong.com/3k35/
Can you tell if this is a fried HDA coil or the PCB ????
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tester272001
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Joined: 08 Jan 2008
Posts: 37

PostPosted: Fri Nov 16, 2012 11:47 pm    Post subject: Reply with quote

Sooo. Is this what a preamp failure sounds like? The linked sound file is an MP3 and has 10 clicks then stops but the drive continues to SPIN. If I unplug/replug it does aga for 10 and stop, etc...
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harddrivespecialist
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Joined: 29 Dec 2007
Posts: 471
Location: Providence, RI. Boston, MA USA

PostPosted: Thu Dec 06, 2012 4:47 pm    Post subject: Reply with quote

Preamp failure sounds like a typical clicking. Microchip (Preamp) can not transfer any data, so read/write heads just click.
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corbingravely
Deadharddrive regular +2


Joined: 14 Nov 2013
Posts: 75

PostPosted: Mon Aug 17, 2015 8:11 am    Post subject: Re: Reply with quote

Hey I am not trying to make fun of your efforts but I think it would be better if you have any sort of guidelines just in case we do something and it would mess things up more than ever too. Make sure you have a backup plan.

Ciorbingravely:::: zip line brake
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POMMIER45
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Joined: 03 Dec 2016
Posts: 7
Location: Murarrie, Queensland

PostPosted: Sat Feb 11, 2017 11:25 pm    Post subject: Seagate made its name Reply with quote

Seagate made its name in hard drives but has also taken a lead in SSDs. Last year, it showed a 60TB SSD that could ship this year.
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JaredDM
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Joined: 23 May 2016
Posts: 17
Location: Providence, RI

PostPosted: Sun Feb 12, 2017 12:17 am    Post subject: Reply with quote

Yeah, the problem is now they've ruined their reputation with all the failed Grenada's they sold. I know very few of my customers will every buy a Seagate branded product again.
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