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Seagate Barracuda 160 - ST3160023A

 
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Alan
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Joined: 21 May 2009
Posts: 7

PostPosted: Fri May 22, 2009 9:16 am    Post subject: Seagate Barracuda 160 - ST3160023A Reply with quote

Wanted, "DOA", working pcb for:

Name: Seagate Barracuda 160GB ATA
Model: ST3160023A
F/W: 8.01
Config: CXT-01
Date code: 06213
Site code: WU

Anyone know what specs need to correspond? Only firmware version, or all of the above?

Thanks.

edit:
date code doesn't seem important, but could say something of the revision:

Date Code Shape: YYWD or YYWWD
YY: fiscal year, beginning on the 1st Saturday of July YY-1
W[1-9] or WW[10-52]: fiscal weeks from 1st Saturday of July YY-1
D: days from the beginning of week WW (weeks run from Saturday to Friday)
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Eric Lee
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Joined: 26 Apr 2009
Posts: 308
Location: China

PostPosted: Fri May 22, 2009 12:21 pm    Post subject: Reply with quote

Hi,

Would you like to send me the high quality picture of both side of your PCB so that we could match what you need. My email: eric_lee8341@hotmail.com

Thanks
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HK MingDi electronics Co., Ltd. http://www.hkmingdi.com/enindex.asp
MSN/E-mail:eric_lee8341@hotmail.com
Specialize in HDD PCB!!! Real in stock!!
Skype:eric.lee1984
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Alan
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Joined: 21 May 2009
Posts: 7

PostPosted: Fri May 22, 2009 5:56 pm    Post subject: Reply with quote

Will do.
I just removed the pcb, and some of the connector traces on the other side look discolored - does this indicate that the inside of the drive itself is damaged?
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sunnydreamspace
Deadharddrive regular +5


Joined: 04 Jan 2009
Posts: 540

PostPosted: Tue May 26, 2009 1:45 am    Post subject: Reply with quote

hi,
take some pics and send them to my email. i can help. thanks.
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provide Hard drive PCB,entire drive/ Data Recovery service.... big HDD resource. talk to me immediately! sunnydreamspace@hotmail.com
skype: sunnydreamspace
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Alan
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Joined: 21 May 2009
Posts: 7

PostPosted: Thu May 28, 2009 4:09 pm    Post subject: Reply with quote

Does anyone know if the discolored connectors tell if the internals of the HD is damaged?



or if nothing is shown:
http://img132.imageshack.us/img132/962/dsc0125a.jpg

thanks[/img]
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harddrivespecialist
Deadharddrive regular +4


Joined: 29 Dec 2007
Posts: 471
Location: Providence, RI. Boston, MA USA

PostPosted: Thu May 28, 2009 6:52 pm    Post subject: Reply with quote

This is oxidation. You can remove it with any eraser.

Post more details on behaivour of your drive.
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Alan
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PostPosted: Sat May 30, 2009 5:48 pm    Post subject: Reply with quote

[img]http://img194.imageshack.us/my.php?image=pcb1.jpg[/img]

I knew the drive didnt work anymore, because of a short circuit somewhere caused by a surge, but I tried it anyway by connecting it on an ide2usb converter, and it smoked and shot loose at the rectangle. dont know where the defect was in the first place.
any idea what this component is?
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harddrivespecialist
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Joined: 29 Dec 2007
Posts: 471
Location: Providence, RI. Boston, MA USA

PostPosted: Mon Jun 01, 2009 5:32 pm    Post subject: Reply with quote

You might have more problems now.
I would recommend to get accurate diagnostics and proceed with problem resolution.
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Alan
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Joined: 21 May 2009
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PostPosted: Tue Nov 30, 2010 4:56 pm    Post subject: Reply with quote

I am still looking for this HDD or PCB. Cool
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sunnydreamspace
Deadharddrive regular +5


Joined: 04 Jan 2009
Posts: 540

PostPosted: Wed Dec 01, 2010 1:46 am    Post subject: Reply with quote

hi,
i have it in stock. and have your check diode on your PCB? it may got fails. some time you just remove it be fine. please feel free to contact me by email or MSN if need any help. thanks.
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fzabkar
Deadharddrive regular +3


Joined: 02 Apr 2010
Posts: 210

PostPosted: Tue Dec 07, 2010 9:27 am    Post subject: Dead 12V TVS diode Reply with quote

That component is the 12V TVS diode. It is intended to protect the drive from short duration spikes on the +12V supply. It usually goes short circuit in the presence of a sustained overvoltage, thereby shutting down the external supply. However, in your case, the surge was so massive that it desoldered the diode, thereby removing the protection. The usual result is a damaged SMOOTH chip (the motor controller), and possibly damage to the onboard DC-DC converters.
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Alan
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Joined: 21 May 2009
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PostPosted: Wed Dec 08, 2010 7:24 pm    Post subject: Reply with quote

This is exactly what happened.
The SMOOTH chip and the DC-DC convertor, are these inside the HDD or onboard the PCB?
Nothing happens when I power the pcb while not being on the hdd, when it is, it shorts.
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fzabkar
Deadharddrive regular +3


Joined: 02 Apr 2010
Posts: 210

PostPosted: Thu Dec 09, 2010 1:52 am    Post subject: Motor controller Reply with quote

Sorry, I goofed.

By "SMOOTH", I meant a motor controller IC made by ST Microelectronics. Your motor controller is an SH6958 by Texas Instruments. However, the principle is the same.

I can make out at least one DC-DC converter, and possibly a linear regulator.

In any case, all the abovementioned components are on the PCB, not inside the HDA.

I could be wrong, but there is an unpopulated 8-pin location at the bottom left corner of the MCU (the largest chip). It appears to be reserved for a serial flash memory. This would suggest that the MCU may contain unique data that needs to be transferred to the donor PCB. If this is the case, then your supplier should offer to do this for you. A typical cost for such a service is US$10 to $20.
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