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snj12341
 Post subject: Seagate st3160215as diode fried !
PostPosted: August 9th, 2012, 13:25 
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Joined: August 9th, 2012, 12:49
Posts: 2
Location: Nepal
Hello, one of the diode in my seagate HDD st3160215as has burnt. The burnt diode is marked as ON QE R803. I may be wrong about the letters as the diode fried. There is another diode marked as ON 810 LEM next to the burnt diode.

Please, what should i do? Should i remove it or what?
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Cleanroom
 Post subject: Re: Seagate st3160215as diode fried !
PostPosted: August 9th, 2012, 13:35 
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Joined: June 23rd, 2008, 11:26
Posts: 511
Location: Austin, TX
desolder the bad diode, and then try and turn it on. Good Luck
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snj12341
 Post subject: Re: Seagate st3160215as diode fried !
PostPosted: August 12th, 2012, 10:46 
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Joined: August 9th, 2012, 12:49
Posts: 2
Location: Nepal
I think it is the 5v diode.
Here is the image, it not seagate but i am sure it is as same as my diode.


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samsung-hard-drive-surface-mount-zener-diode-2011-06-01-003-copy.jpg
samsung-hard-drive-surface-mount-zener-diode-2011-06-01-003-copy.jpg [ 214.27 KiB | Viewed 4617 times ]
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