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 Post subject: insight on a hitachi HDT721064SLA380
PostPosted: December 30th, 2009, 1:53 
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Joined: December 29th, 2009, 10:05
Posts: 4
Location: tennessee
Whoops i did a hot swap on this drive, and it wont work anymore. I assume I fried up the circuit board.
From what I have read, I wont be able to just swap a circuit board from another drive.
Does this board have any fuses i may have blown?
Any idea what it would cost to get my data recovered?


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 Post subject: Re: insight on a hitachi HDT721064SLA380
PostPosted: December 30th, 2009, 4:50 
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Joined: November 6th, 2006, 6:58
Posts: 1752
Hi,

You shouldn't hotswap Hitachi drives, and besides that, if you don't have the proper knowledge, you shoudn't swap any drive.
Best thing is to talk with a data recovery company and send them the drive in for diagnosis purposes.


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 Post subject: Re: insight on a hitachi HDT721064SLA380
PostPosted: December 30th, 2009, 4:55 
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Joined: March 28th, 2008, 7:52
Posts: 1466
Location: Europe, Hungary
I have a feeling, your PCB still good....
You have fried the preamp chip instead as usually happens...
You have doubled the original price.

Janos


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 Post subject: Re: insight on a hitachi HDT721064SLA380
PostPosted: December 30th, 2009, 5:01 
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Joined: August 9th, 2007, 8:40
Posts: 791
Location: United Kingdom
Well you have just made it a bit more difficult now.

With some Hitachi drives, when you hot-swap it transfers Cyl defects from donor to patient. I'm not sure if this drive is affected as I have never tried hot swap on Hitachi as it is not usually necessary. It is possible to revert to original Cyl defects, but you will either need expensive equipment or some professional help.

What would help us diagnose is - did you send sleep/standby command before the hot-swap or was the drive still spinning? If it was still spinning it would explain why the board fried.

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 Post subject: Re: insight on a hitachi HDT721064SLA380
PostPosted: December 30th, 2009, 6:39 
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Joined: December 29th, 2009, 10:05
Posts: 4
Location: tennessee
i plugged it into a the power bus that was turned on, (that what i would call a hot swap) so it was in an off state and never came on, as it blew some circuitry.


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 Post subject: Re: insight on a hitachi HDT721064SLA380
PostPosted: December 30th, 2009, 9:58 
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Joined: November 6th, 2006, 6:58
Posts: 1752
Ok. I think definitely you should contact a company in order to fully diagnose the drive and give a proper price for it.


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 Post subject: Re: insight on a hitachi HDT721064SLA380
PostPosted: December 30th, 2009, 10:43 
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Joined: December 29th, 2009, 10:05
Posts: 4
Location: tennessee
I found D3 zvs? shorted. desoldered one end of it and i am getting my data off the drive. The search button was so helpful. Thank you


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 Post subject: Re: insight on a hitachi HDT721064SLA380
PostPosted: December 30th, 2009, 19:59 
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Joined: July 16th, 2008, 17:52
Posts: 489
Location: Long Beach, California
Indeed, there is two hotswap meanings being implied here:

SATA can be "hotswapped" by being plugged in to a PC with power activated, well...most.


And then there is a DR hotswap


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 Post subject: Re: insight on a hitachi HDT721064SLA380
PostPosted: December 31st, 2009, 1:40 
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Joined: February 1st, 2008, 17:01
Posts: 208
Location: Europe Greece
Totally agree with dmarques !.!








XRONIS

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http://www.t3-recovery.com


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 Post subject: Re: insight on a hitachi HDT721064SLA380
PostPosted: January 1st, 2010, 9:49 
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Joined: December 29th, 2009, 10:05
Posts: 4
Location: tennessee
I lifted one end of the shorted diode off the circuit board. there was no need for professional recovery, even though a few people think it is necessary. in my opinion, that rates right there with telling me to get pc3000. my main question was is there a fuse? question never answered, just a bunch of send it to a pro.
I found my answer via search. so to the posters in the threads i found while searching thank you.
I dont need professional services on this drive, thanks for the solicitations though


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 Post subject: Re: insight on a hitachi HDT721064SLA380
PostPosted: January 1st, 2010, 11:41 
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Joined: November 6th, 2006, 6:58
Posts: 1752
Well, in your case it's true it was a simple one, lucky you are.
But first, it could be not that simple. And second, you found the answer because probably some pro posted it.


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 Post subject: Re: insight on a hitachi HDT721064SLA380
PostPosted: January 2nd, 2010, 10:01 
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Joined: March 28th, 2008, 7:52
Posts: 1466
Location: Europe, Hungary
dmarques wrote:
Well, in your case it's true it was a simple one, lucky you are.
But first, it could be not that simple. And second, you found the answer because probably some pro posted it.


... additionally the first post was not too clear, this is why i missunderstand the situation ...

Janos


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