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mikail13
 Post subject: Useles TVS changes in Seagate ST3000DM001
PostPosted: August 9th, 2015, 16:41 
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Joined: December 14th, 2013, 17:10
Posts: 210
Location: istanbul
because of Wrong Adapter TVS diodes burn in ST3000DM001.

i repair it.
drive spins. head moves. after that suddenly stops.


I've never encountered such a problem.

Why it stops?
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labtech
 Post subject: Re: Useles TVS changes in Seagate ST3000DM001
PostPosted: August 11th, 2015, 23:16 
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Joined: August 18th, 2010, 17:35
Posts: 3669
Location: Massachusetts, USA
What exactly did the repair entail? If used adaptives swap on a donor PCB, then it is possible the solder is weak and ROM is not connecting well. If this is not the problem, then there could have been other subsequent issues along with the original TVS failure, such as motor winding failure, preamp failure, etc.

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digisupport
 Post subject: Re: Useles TVS changes in Seagate ST3000DM001
PostPosted: August 12th, 2015, 1:28 
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Joined: March 6th, 2010, 3:46
Posts: 627
Location: Kolding | Denmark
Dead preamp or more pcb damage.

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mikail13
 Post subject: Re: Useles TVS changes in Seagate ST3000DM001
PostPosted: August 12th, 2015, 3:51 
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Joined: December 14th, 2013, 17:10
Posts: 210
Location: istanbul
labtech wrote:
What exactly did the repair entail? If used adaptives swap on a donor PCB, then it is possible the solder is weak and ROM is not connecting well. If this is not the problem, then there could have been other subsequent issues along with the original TVS failure, such as motor winding failure, preamp failure, etc.


i only desolder burnt TVS diode.
no swap.

drive spins. mobo sees hdd and suddenly stops.
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chinopk
 Post subject: Re: Useles TVS changes in Seagate ST3000DM001
PostPosted: August 12th, 2015, 5:56 
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Joined: March 20th, 2010, 4:34
Posts: 256
Location: Turkey
digisupport wrote:
Dead preamp or more pcb damage.


+1

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