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coolday
 Post subject: WESTERN DIGITAL H.D.D LOOKS DEAD
PostPosted: June 28th, 2010, 8:32 
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Posts: 15
Location: India
WESTERN DIGITAL 40 SATA H.D.D
S/N:WMAMA3449103
WD CAVIAR SE
LBA 78165360

MDL: WD400JD-22NCO
DATE: 28 APR 2005
DCM: ESCHCVJAH

STARTED THE SYSTEM AND CMOS DIDN'T FIND THE H.D.D. OPENED THE H.D.D AND FOUND THAT THE SMOOTH IC WAS BURNT. REPLACED WITH SAME ONE BUT THERE IS NO SPIN UP. PLZ HELP

http://tinypic.com/m/apfq8g/1
http://tinypic.com/m/apfqdc/1
http://tinypic.com/m/apfqeu/1
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fzabkar
 Post subject: Re: WESTERN DIGITAL H.D.D LOOKS DEAD
PostPosted: June 29th, 2010, 5:13 
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Joined: September 8th, 2009, 18:21
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Location: Australia
Do you mean that you replaced the SMOOTH chip?
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dobrevjetser
 Post subject: Re: WESTERN DIGITAL H.D.D LOOKS DEAD
PostPosted: June 29th, 2010, 7:38 
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Joined: December 27th, 2006, 10:15
Posts: 1852
Location: Belgium
There's probably a lot more dead than the smooth. Smooth makes negative powersupply also.
If it blows, its very likely some other components die with it too.
You'll need at least to replace the whole pcb and then transfer the rom contents.

If then it clicks, heads are dead too and its the end of DIY.

Dobre

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BlackST
 Post subject: Re: WESTERN DIGITAL H.D.D LOOKS DEAD
PostPosted: June 29th, 2010, 7:54 
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Joined: July 18th, 2006, 3:05
Posts: 7474
Location: ITALY
Oh no it's not the end... where common sense ends, mcgyvering begins.
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Zero Alpha
 Post subject: Re: WESTERN DIGITAL H.D.D LOOKS DEAD
PostPosted: June 29th, 2010, 8:06 
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Joined: April 7th, 2009, 21:36
Posts: 358
BlackST wrote:
Oh no it's not the end... where common sense ends, mcgyvering begins.


Why not rebuild rom from SA? Hey its worth a shot right? Any idiot can do that for sure. :)

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BlackST
 Post subject: Re: WESTERN DIGITAL H.D.D LOOKS DEAD
PostPosted: June 29th, 2010, 8:44 
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Joined: July 18th, 2006, 3:05
Posts: 7474
Location: ITALY
An idiot with 10'000 $ worth of gear to do it ...
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coolday
 Post subject: Re: WESTERN DIGITAL H.D.D LOOKS DEAD
PostPosted: June 29th, 2010, 8:52 
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Joined: June 9th, 2010, 10:31
Posts: 15
Location: India
fzabkar wrote:
Do you mean that you replaced the SMOOTH chip?

Yes replaced it with same ic type
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coolday
 Post subject: Re: WESTERN DIGITAL H.D.D LOOKS DEAD
PostPosted: June 29th, 2010, 8:54 
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Joined: June 9th, 2010, 10:31
Posts: 15
Location: India
dobrevjetser wrote:
There's probably a lot more dead than the smooth. Smooth makes negative powersupply also.
If it blows, its very likely some other components die with it too.
You'll need at least to replace the whole pcb and then transfer the rom contents.

If then it clicks, heads are dead too and its the end of DIY.

Dobre


give me some ideas on how to test the other components
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coolday
 Post subject: Re: WESTERN DIGITAL H.D.D LOOKS DEAD
PostPosted: June 29th, 2010, 8:56 
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Joined: June 9th, 2010, 10:31
Posts: 15
Location: India
Zero Alpha wrote:
BlackST wrote:
Oh no it's not the end... where common sense ends, mcgyvering begins.


Why not rebuild rom from SA? Hey its worth a shot right? Any idiot can do that for sure. :)

Whats SA?

Logic boards are costly (Rs. 1700). With that price I can buy a new hdd. Plz provide some repair tips.
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BlackST
 Post subject: Re: WESTERN DIGITAL H.D.D LOOKS DEAD
PostPosted: June 29th, 2010, 9:25 
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Joined: July 18th, 2006, 3:05
Posts: 7474
Location: ITALY
Buy a new drive.
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einstein9
 Post subject: Re: WESTERN DIGITAL H.D.D LOOKS DEAD
PostPosted: June 29th, 2010, 9:57 
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Joined: May 13th, 2010, 11:17
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Location: Kuwait
SA = Service Area
guys give the man here a break
using pc3k

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BlackST
 Post subject: Re: WESTERN DIGITAL H.D.D LOOKS DEAD
PostPosted: June 29th, 2010, 11:16 
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Joined: July 18th, 2006, 3:05
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He doesn't have PC3k nor anything else except hyperterminal :(
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Zero Alpha
 Post subject: Re: WESTERN DIGITAL H.D.D LOOKS DEAD
PostPosted: June 29th, 2010, 20:21 
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Joined: April 7th, 2009, 21:36
Posts: 358
You can get new drives for less than $50 so why waste time trying to repair a dead drive?

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fzabkar
 Post subject: Re: WESTERN DIGITAL H.D.D LOOKS DEAD
PostPosted: June 30th, 2010, 19:37 
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Joined: September 8th, 2009, 18:21
Posts: 15528
Location: Australia
coolday wrote:
dobrevjetser wrote:
There's probably a lot more dead than the smooth. Smooth makes negative powersupply also.
If it blows, its very likely some other components die with it too.
You'll need at least to replace the whole pcb and then transfer the rom contents.

If then it clicks, heads are dead too and its the end of DIY.

Dobre


give me some ideas on how to test the other components

Can you upload a detailed photo? I can't make out anything in your other photos.

BTW, what are the part numbers on the two SMOOTH chips?
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