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shahij
 Post subject: NO SPIN - Hitachi CLA3
PostPosted: June 16th, 2013, 13:36 
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Joined: March 11th, 2008, 4:35
Posts: 1052
Location: Bangladesh
History: 2 HDDs same model. Dead after power surge at a time. 1 drive is fixed by swapping PCB only. 2nd drive has additional damage.

Hitachi HDD: HDS721050CLA382

Symptom: NO SPIN.

Findings: PCB Dead.

Action: Replacement with ROM.

Status: Still NO SPIN. But READY In HD Doctor. Load From HDD brings Error.

Next Suspect is FW. All modules corrupt/bad in SA-A & SA-B. SA-C has no access so far

Another task: It spins now for few seconds & SPIN DOWN again when it's connected without HDA contact. But Status is BUSY in this procedure, never READY.

So, what do you think? What would you do?

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BlackST
 Post subject: Re: NO SPIN - Hitachi CLA3
PostPosted: June 16th, 2013, 14:34 
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Joined: July 18th, 2006, 3:05
Posts: 7476
Location: ITALY
1) Killed headstack
2) Other problem not addressed in PCB.

Use DDA or similar to see what happens at HDA connector.

The behaviour of the PCB is similar in case of such failure (too few details).

8)
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shahij
 Post subject: Re: NO SPIN - Hitachi CLA3
PostPosted: June 17th, 2013, 13:47 
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Joined: March 11th, 2008, 4:35
Posts: 1052
Location: Bangladesh
BlackST wrote:
1) Killed headstack
2) Other problem not addressed in PCB.

Use DDA or similar to see what happens at HDA connector.

The behaviour of the PCB is similar in case of such failure (too few details).

8)



Well, If it's the headstack - there are no CLICKING/TICKY etc...

What other problem are you referring that was not addressed?

By the way, I am not familiar with DDA (can you state please?)

What else do you need regarding PCB. (I ensure you the PATIENT PCB Is DEAD), & it's not the first scene like this case. I also noticed same problem in more 2 drives. 1 is 160GB and another one is 1TB (All the drives are CLA3 family)

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Doomer
 Post subject: Re: NO SPIN - Hitachi CLA3
PostPosted: June 17th, 2013, 14:18 
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Joined: September 29th, 2005, 12:02
Posts: 3577
Location: Chicago
shahij wrote:
Well, If it's the headstack - there are no CLICKING/TICKY etc...
...
What else do you need regarding PCB. (I ensure you the PATIENT PCB Is DEAD)

Man, if you think you know it all, why ask here?

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shahij
 Post subject: Re: NO SPIN - Hitachi CLA3
PostPosted: June 17th, 2013, 14:32 
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Joined: March 11th, 2008, 4:35
Posts: 1052
Location: Bangladesh
Doomer wrote:
shahij wrote:
Well, If it's the headstack - there are no CLICKING/TICKY etc...
...
What else do you need regarding PCB. (I ensure you the PATIENT PCB Is DEAD)

Man, if you think you know it all, why ask here?


You seems didn't get my point. Ok, I rewrite: Patient PCB is dead as well as additional problem exist. But I can't catch the additional problem so far, that's why I am asking.

PCB is fixed by DONOR, but even after matching PCB, it doesn't spin, it only spins with DONOR when the PCB is connected without HDA contact. For few seconds only it spins and spin down. The same behavior I noticed into 3(three) CLA3 hdds so far. Did you face the problem earlier on these CLA3 HDDs?

Do you think it's NVRAM failure as well?

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BlackST
 Post subject: Re: NO SPIN - Hitachi CLA3
PostPosted: June 17th, 2013, 14:46 
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Joined: July 18th, 2006, 3:05
Posts: 7476
Location: ITALY
"it only spins with DONOR when the PCB is connected without HDA contact"

Thta's why can perfectly be the headstack.
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shahij
 Post subject: Re: NO SPIN - Hitachi CLA3
PostPosted: June 17th, 2013, 14:55 
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Joined: March 11th, 2008, 4:35
Posts: 1052
Location: Bangladesh
BlackST wrote:
"it only spins with DONOR when the PCB is connected without HDA contact"

Thta's why can perfectly be the headstack.


Thanks

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Alexii
 Post subject: Re: NO SPIN - Hitachi CLA3
PostPosted: June 21st, 2013, 9:51 
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Joined: October 28th, 2009, 14:35
Posts: 775
Location: Toronto
preamp is dead
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fzabkar
 Post subject: Re: NO SPIN - Hitachi CLA3
PostPosted: June 21st, 2013, 15:33 
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Joined: September 8th, 2009, 18:21
Posts: 16960
Location: Australia
If you upload a detailed photo of the PCB, I could help you locate the supply and signal pins for the preamp. We could then compare your two drives.

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BlackST
 Post subject: Re: NO SPIN - Hitachi CLA3
PostPosted: June 22nd, 2013, 2:50 
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Joined: July 18th, 2006, 3:05
Posts: 7476
Location: ITALY
Shahij, instead of wasting your time with another analysis, in absence of DDA, why not replace heads with working pcb? 20 minutes and if everything is ok you should be done (if you don't have other problems around of couse).
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shahij
 Post subject: Re: NO SPIN - Hitachi CLA3
PostPosted: June 22nd, 2013, 2:55 
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Joined: March 11th, 2008, 4:35
Posts: 1052
Location: Bangladesh
See the pic

http://www.hddzone.com/index.php?main_p ... ge&pID=356

http://www.drivestar.biz/hitachi-0a71256-p-2096.html

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shahij
 Post subject: Re: NO SPIN - Hitachi CLA3
PostPosted: June 22nd, 2013, 2:56 
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Joined: March 11th, 2008, 4:35
Posts: 1052
Location: Bangladesh
BlackST wrote:
Shahij, instead of wasting your time with another analysis, in absence of DDA, why not replace heads with working pcb? 20 minutes and if everything is ok you should be done (if you don't have other problems around of couse).


NO Clean Room service here. Need to outsource abroad if headstack is the scene.

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BlackST
 Post subject: Re: NO SPIN - Hitachi CLA3
PostPosted: June 22nd, 2013, 2:59 
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Joined: July 18th, 2006, 3:05
Posts: 7476
Location: ITALY
Ouch ! :( that's a problem !
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N.C.
 Post subject: Re: NO SPIN - Hitachi CLA3
PostPosted: June 22nd, 2013, 4:29 
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Joined: March 28th, 2008, 7:52
Posts: 1466
Location: Europe, Hungary
shahij wrote:
History: 2 HDDs same model. Dead after power surge at a time. 1 drive is fixed by swapping PCB only. 2nd drive has additional damage.

Hitachi HDD: HDS721050CLA382

Symptom: NO SPIN.

Findings: PCB Dead.

Action: Replacement with ROM.

Status: Still NO SPIN. But READY In HD Doctor. Load From HDD brings Error.

Next Suspect is FW. All modules corrupt/bad in SA-A & SA-B. SA-C has no access so far

Another task: It spins now for few seconds & SPIN DOWN again when it's connected without HDA contact. But Status is BUSY in this procedure, never READY.

So, what do you think? What would you do?


I think the original problem was PUIS enabled on the drive!
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shahij
 Post subject: Re: NO SPIN - Hitachi CLA3
PostPosted: June 22nd, 2013, 5:19 
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Joined: March 11th, 2008, 4:35
Posts: 1052
Location: Bangladesh
N.C. wrote:
shahij wrote:
History: 2 HDDs same model. Dead after power surge at a time. 1 drive is fixed by swapping PCB only. 2nd drive has additional damage.

Hitachi HDD: HDS721050CLA382

Symptom: NO SPIN.

Findings: PCB Dead.

Action: Replacement with ROM.

Status: Still NO SPIN. But READY In HD Doctor. Load From HDD brings Error.

Next Suspect is FW. All modules corrupt/bad in SA-A & SA-B. SA-C has no access so far

Another task: It spins now for few seconds & SPIN DOWN again when it's connected without HDA contact. But Status is BUSY in this procedure, never READY.

So, what do you think? What would you do?


I think the original problem was PUIS enabled on the drive!


Today got the 4th Drive in hand with similar problem.
all the drives are from CLA3 series.

I did START MOTOR. Nothing happens, Very busy then error.

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fzabkar
 Post subject: Re: NO SPIN - Hitachi CLA3
PostPosted: June 22nd, 2013, 7:25 
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Joined: September 8th, 2009, 18:21
Posts: 16960
Location: Australia
shahij wrote:
See the pic

http://www.hddzone.com/index.php?main_p ... ge&pID=356

http://www.drivestar.biz/hitachi-0a71256-p-2096.html

Those are two different boards. I need a detailed photo. A quick analysis will take only 1 minute and will tell you whether you really do have a preamp problem.

http://www.drivestar.biz/images/pcb_ht/OA71256.jpg
http://www.hddzone.com/images/HTS10033.jpg

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shahij
 Post subject: Re: NO SPIN - Hitachi CLA3
PostPosted: June 22nd, 2013, 14:56 
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Joined: March 11th, 2008, 4:35
Posts: 1052
Location: Bangladesh
sorry, i gave you 2 different. 1 wrong and another right pcb link.

here is the right no...

http://www.drivestar.biz/hitachi-0a71256-p-289.html

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