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ccamargol
 Post subject: PCB BAD WD1200UE-00KVT0. OTHER TVS PROBLEM?
PostPosted: September 15th, 2009, 9:59 
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Joined: February 17th, 2009, 13:01
Posts: 111
Location: Bogotá, D.C.
Hi,

When i connect the disc in PC-3000 not spin up. TVS problem? See pictures... where are the tvs in this picture?

thank,

Carlos


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jono-ats
 Post subject: Re: PCB BAD WD1200UE-00KVT0. OTHER TVS PROBLEM?
PostPosted: September 15th, 2009, 12:43 
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Joined: June 8th, 2006, 19:44
Posts: 3144
Location: Atlanta, GA
More likely:

1. Heads stuck on platter or in ramp;
2. Smooth IC bad
3. Fuse open

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http://www.datasaversllc.com
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steven1979
 Post subject: Re: PCB BAD WD1200UE-00KVT0. OTHER TVS PROBLEM?
PostPosted: September 15th, 2009, 16:07 
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Joined: November 9th, 2008, 8:18
Posts: 17
Location: Europe
Test diodes D3, D4 with Digital Multimeter
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ccamargol
 Post subject: Re: PCB BAD WD1200UE-00KVT0. OTHER TVS PROBLEM?
PostPosted: September 24th, 2009, 21:51 
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Joined: February 17th, 2009, 13:01
Posts: 111
Location: Bogotá, D.C.
Diodes D3=1.3 (200 k) D4=1.3 (over 200 k)
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unknown
 Post subject: Re: PCB BAD WD1200UE-00KVT0. OTHER TVS PROBLEM?
PostPosted: September 25th, 2009, 0:43 
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Joined: October 21st, 2007, 8:48
Posts: 1721
try to power up the drive and listen to it carefully.

I agree with jono maybe the heads stuck on platters or in ramp.

good luck
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ccamargol
 Post subject: Re: PCB BAD WD1200UE-00KVT0. OTHER TVS PROBLEM?
PostPosted: September 25th, 2009, 12:06 
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Joined: February 17th, 2009, 13:01
Posts: 111
Location: Bogotá, D.C.
In case the heads stick to the disc that would have to do I?

Thank
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fzabkar
 Post subject: Re: PCB BAD WD1200UE-00KVT0. OTHER TVS PROBLEM?
PostPosted: September 26th, 2009, 20:26 
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Joined: September 8th, 2009, 18:21
Posts: 16973
Location: Australia
Something looks very wrong to me.

The manufacturing date on the label is 26 July 2007.

However, the date code on the PCB suggests week 37 of 2006 (3706).

The MCU's date code is week 31 of 2006 (0631).

The RAM is 622B and the motor controller is 636.
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ccamargol
 Post subject: Re: PCB BAD WD1200UE-00KVT0. OTHER TVS PROBLEM?
PostPosted: September 28th, 2009, 9:56 
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Joined: February 17th, 2009, 13:01
Posts: 111
Location: Bogotá, D.C.
mmm.. its not PCB for this HDD?
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