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magnetepazzo
 Post subject: help pcb WD 006-0b40829
PostPosted: September 1st, 2020, 13:59 
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Hi Guys, a customer brought me an 8 TB WD hard drive with the following pcb 006-0b40829. The motor does not spin, it is possible to hear a small noise as if it wants to start but it does not start, in MRT it remains in the BSY state, removing the pcb and leaving it alone it remains in the BSY state. According to the client, the problem arose after a small bump. Suggestions?, Thanks


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fzabkar
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: September 1st, 2020, 14:30 
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Stiction?

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Doomer
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: September 1st, 2020, 14:53 
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Quote:
removing the pcb and leaving it alone it remains in the BSY state.

sounds like bad PCB

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DR-Kiev
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: September 1st, 2020, 16:43 
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Spindel stuck, which can cause to motor-chip death additionally.

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magnetepazzo
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: September 2nd, 2020, 4:21 
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Hi guys I think it's bad pcb, the motor it's free to spin, no lock, suggestion for repair ? any friend have a schematics ? Tks
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pepe
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: September 2nd, 2020, 5:04 
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pcb swap with rom swap?
However, i would check the heads for bent suspensions first.
pepe

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magnetepazzo
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: September 2nd, 2020, 7:11 
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Hi pepe, it's the first step for me, I have open the cover and have checked motor, if are locked and head. I haven0't this pcb and have thinked to repair
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Doomer
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: September 2nd, 2020, 10:40 
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magnetepazzo wrote:
I have open the cover and have checked motor, if are locked and head.

Isn't it a Helium drive?

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michael chiklis
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: September 2nd, 2020, 14:11 
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Not all 8 TB are helium filled.
Example:
WD80EFAX-68LHPN0 - helium filled model
WD80EFAX-68KNBN0 - air filled model

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fzabkar
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: September 2nd, 2020, 14:18 
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magnetepazzo wrote:
Hi guys I think it's bad pcb, the motor it's free to spin, no lock, suggestion for repair ? any friend have a schematics ? Tks

If you can provide a better photo (with a CCD scanner ?) I could identify the voltage test points. That said, I suspect that the motor controller may be faulty.

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Doomer
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: September 3rd, 2020, 12:34 
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michael chiklis wrote:
Not all 8 TB are helium filled.
Example:
WD80EFAX-68LHPN0 - helium filled model
WD80EFAX-68KNBN0 - air filled model

And what PCB number is on the air-filled drive?

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fzabkar
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: September 3rd, 2020, 14:39 
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Doomer wrote:
michael chiklis wrote:
Not all 8 TB are helium filled.
Example:
WD80EFAX-68LHPN0 - helium filled model
WD80EFAX-68KNBN0 - air filled model

And what PCB number is on the air-filled drive?

It would appear that the OP's PCB is used in the WD80EZAZ-11TDBA0, which is a HGST helium model. I don't know whether the same PCB is used in air models. If not, and if the OP has an air drive, then could it be that the customer has replaced the PCB?

Repairing pcb 006-0B40829 from hdd WD80EZAZ-11TDBA0:
https://www.youtube.com/watch?v=qCngNEhfF24

https://www.ebay.co.uk/itm/WD80EZAZ-11TDBA0-P-N-2W10207-Thailand-Western-Digital-8TB-/174065406127

Quote:
Model number: WD80EZAZ-11TDBA0

Part number: 2W10207

006-0B40829 on the PCB

https://www.smartmontools.org/ticket/959

Quote:
I recently got a few WD80EZAZ-11TDBA0's. These appear to be WD White label "Ultrastar He10-8 (US7SAL080)", smartctl seems to detect all except one property: "22 Unknown_Attribute" If I am not mistaken that should be the Helium sensor.



The date code on the PCB is 2419, week 24 of 2019.

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Doomer
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: September 3rd, 2020, 19:43 
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fzabkar wrote:
If not, and if the OP has an air drive, then could it be that the customer has replaced the PCB?

That's why I'm still waiting for my answer about the drive HDA type :)

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magnetepazzo
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: October 15th, 2020, 6:19 
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Update, hi friends the i have take same pcb from 10 TB HDD and have swapped rom, now the disk spin normally but don't work, i not heard noise from head positioning and i think the pcb are locked. I have connected the unit to original usb drive (it's a mybook drive) but nothing. Suggestion ? TKS
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Doomer
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: October 15th, 2020, 10:51 
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magnetepazzo wrote:
Update, hi friends the i have take same pcb from 10 TB HDD and have swapped rom, now the disk spin normally but don't work, i not heard noise from head positioning and i think the pcb are locked. I have connected the unit to original usb drive (it's a mybook drive) but nothing. Suggestion ? TKS

Since you already opened the drive, you can throw it to garbage now.

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magnetepazzo
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: October 16th, 2020, 3:38 
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from what you write it is clear that you have not understood anything!
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Doomer
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: October 16th, 2020, 12:24 
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magnetepazzo wrote:
from what you write it is clear that you have not understood anything!

clearly

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Doomer
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: October 16th, 2020, 12:31 
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ok, I'll make it easy for you
The drive does not unpark heads because either heads are bad or because there is no Helium inside the drive anymore.
Since you opened the drive I would think it's because of the latter.

Basically you killed the drive for no reason. You can tell that to your client.

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BGman
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: October 16th, 2020, 16:14 
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Joined: September 30th, 2005, 7:33
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michael chiklis wrote:
WD80EFAX-68KNBN0 - air filled model


PCB 004-0B36131
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michael chiklis
 Post subject: Re: help pcb WD 006-0b40829
PostPosted: October 16th, 2020, 17:06 
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Joined: December 5th, 2011, 5:38
Posts: 1740
Location: Verona, Italy
Check smart under Victoria
https://hdd.by/victoria/

If smart is detected then try to read hex sectors in r-studio (drive must be connected in the original enclosure). If you see only E5 pattern then you have same issue as me.

I had a similar case and i came to the conclusion that translators are damaged.
https://forum.hddguru.com/viewtopic.php ... 13#p284513

At the moment there is any solution yet. :?

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