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devde
 Post subject: Re: eeprom chip needs a repair
PostPosted: December 31st, 2014, 10:55 
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Joined: December 29th, 2014, 4:14
Posts: 19
@LarrySabo its been done with a screwdriver
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lcoughey
 Post subject: Re: eeprom chip needs a repair
PostPosted: December 31st, 2014, 11:00 
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Joined: February 9th, 2009, 16:13
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Location: Ontario, Canada
Send to forum member fzabkar, shouldn't cost any more than $10

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LarrySabo
 Post subject: Re: eeprom chip needs a repair
PostPosted: December 31st, 2014, 11:30 
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Joined: December 8th, 2010, 11:37
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Location: Ottawa, Canada
digisupport wrote:
Clean up the connections, connect wires with Loctite 3863 under a microscope.
Or this, given how small the connections will be.

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dick
 Post subject: Re: eeprom chip needs a repair
PostPosted: December 31st, 2014, 12:09 
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Joined: January 8th, 2008, 5:21
Posts: 927
Location: uk
devde wrote:
@dick thats what i'm asking "can someone guide me to the right direction ? an electronic engineer who can get the job done ? ..."
Yep understood. If you find your man and he gets the eeprom data then whats going to be your next move as you still haven't said what the original problem was?
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devde
 Post subject: Re: eeprom chip needs a repair
PostPosted: December 31st, 2014, 12:15 
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Joined: December 29th, 2014, 4:14
Posts: 19
next move is, to buy a new PCB.. flashing the data to the eeprom, & rescue the data on HDD
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dick
 Post subject: Re: eeprom chip needs a repair
PostPosted: December 31st, 2014, 12:22 
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Joined: January 8th, 2008, 5:21
Posts: 927
Location: uk
devde wrote:
next move is, to buy a new PCB.. flashing the data to the eeprom, & rescue the data on HDD
Considering your location I have sent you a pm suggesting where to find somebody who can do this for you. Best to discuss it with him privately and see what he advises. If you get the eeprom data thats great and the job can move on to the next stage which might be simple or might be difficult depending on the original circumstances/problem. Good luck!
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HaQue
 Post subject: Re: eeprom chip needs a repair
PostPosted: December 31st, 2014, 12:38 
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Joined: December 4th, 2012, 1:35
Posts: 3903
Location: Adelaide, Australia
If you jimmied the eeprom off with a screwdriver, I would suggest outsourcing the whole job to a DR company such as pcimage.
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pcimage
 Post subject: Re: eeprom chip needs a repair
PostPosted: December 31st, 2014, 15:26 
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Joined: November 29th, 2006, 10:08
Posts: 7864
Location: UK
Thanks for the recommendations guys, but we've had to decline the job.

We don't have the equipment for this type of job, and in 10 years have never needed to, hence the reluctance to invest in the kit and practise time to do so.

We know our limitations in fine electronic repair and this exceeds them! :-)

We would rather let someone who has experience in this type of salvage tackle it.

If the chip can be "repaired" and contents read, we are more than happy to continue the recovery from there :-)

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fzabkar
 Post subject: Re: eeprom chip needs a repair
PostPosted: December 31st, 2014, 15:45 
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Joined: September 8th, 2009, 18:21
Posts: 16960
Location: Australia
Ask Nigel Cook if he would be willing to have a go:

http://www.divdev.fsnet.co.uk

Nigel is a regular participant in the sci.electronics.repair newsgroup and is known for his "mechanical" repairs.

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pcimage
 Post subject: Re: eeprom chip needs a repair
PostPosted: December 31st, 2014, 15:49 
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Joined: November 29th, 2006, 10:08
Posts: 7864
Location: UK
I believe I've seen similar work done on damaged NAND chips performed by some Russian guys from NRTeam, but don't recall seeing any other evidence of anyone doing such fine (and risky) work.

But be aware that this sort of work will come at a price.

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fzabkar
 Post subject: Re: eeprom chip needs a repair
PostPosted: December 31st, 2014, 16:04 
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Joined: September 8th, 2009, 18:21
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Location: Australia
http://webcache.googleusercontent.com/s ... wed.64291/
http://webcache.googleusercontent.com/s ... egs.56612/

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devde
 Post subject: Re: eeprom chip needs a repair
PostPosted: January 2nd, 2015, 1:50 
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Joined: December 29th, 2014, 4:14
Posts: 19
pcimage wrote:
I believe I've seen similar work done on damaged NAND chips performed by some Russian guys from NRTeam,


how can i contact them

TIA
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devde
 Post subject: Re: eeprom chip needs a repair
PostPosted: January 2nd, 2015, 1:53 
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Joined: December 29th, 2014, 4:14
Posts: 19
fzabkar wrote:
Ask Nigel Cook if he would be willing to have a go:

unfortunately he doesn't
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Amarbir[CDR-Labs]
 Post subject: Re: eeprom chip needs a repair
PostPosted: January 2nd, 2015, 3:23 
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Joined: August 15th, 2006, 3:01
Posts: 3522
Location: CDRLabs @ Chandigarh [ India ]
Oh Lord ,
Please Install This on a Simple Adapter " Not Ziff " .But Please Take a File " Reti Aka File " And File Both Side of Alastic Surrounding The Leg You will see the leg then .As said in my older post then connect a jumper wire from that bare location to adapter and read the same in a eprom programmer and then continue recovery .

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pcimage
 Post subject: Re: eeprom chip needs a repair
PostPosted: January 2nd, 2015, 5:02 
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Joined: November 29th, 2006, 10:08
Posts: 7864
Location: UK
It appears this member has been banned, wonder why?

Perhaps he has previous?

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HaQue
 Post subject: Re: eeprom chip needs a repair
PostPosted: January 2nd, 2015, 6:36 
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Joined: December 4th, 2012, 1:35
Posts: 3903
Location: Adelaide, Australia
maybe the ridiculously short unhelpful answers and lack of effort when he wants help?
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data-medics
 Post subject: Re: eeprom chip needs a repair
PostPosted: January 2nd, 2015, 13:27 
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Joined: April 3rd, 2011, 0:19
Posts: 2003
Location: Providence, RI
My guess would be that this is a total DIY mis-diagnosis nightmare. The drive probably has bad heads and like every person who knows nothing about hard drives they bought into the notion that replacing the PCB can fix any hard drive (and out comes the screwdriver for "EEPROM" replacement).

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HaQue
 Post subject: Re: eeprom chip needs a repair
PostPosted: January 2nd, 2015, 14:25 
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Joined: December 4th, 2012, 1:35
Posts: 3903
Location: Adelaide, Australia
maybe, but would that constitute the banning.. I guess it is interesting to know why, though none of our business! ;)
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pcimage
 Post subject: Re: eeprom chip needs a repair
PostPosted: January 2nd, 2015, 16:57 
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Joined: November 29th, 2006, 10:08
Posts: 7864
Location: UK
HaQue wrote:
maybe, but would that constitute the banning.. I guess it is interesting to know why, though none of our business! ;)


Yeah, it was more of a "wondering why" rather than suggesting that he'd done something wrong. I can't see what he's said would deserve a banning, unless of course the incriminating posts have been removed.

Ah well, no worries. As you say, none of our business :-)

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devde
 Post subject: Re: eeprom chip needs a repair
PostPosted: January 3rd, 2015, 14:06 
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Joined: December 29th, 2014, 4:14
Posts: 19
Spildit wrote:
I can't see very well the state of the chip because of the poor quality of the photo.

is it better now ?


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