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zebong
 Post subject: MARVEL FAMILY PCB BURN
PostPosted: April 17th, 2009, 10:56 
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Hi to all HDDGURUS,

I have a WD that the PCB is burned, and dont have same exact macthing number.

Attachment:
MARVEL-BURN.jpg
MARVEL-BURN.jpg [ 119.17 KiB | Viewed 10000 times ]


What can i do here ?

Thanks
ZeBong

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drc
 Post subject: Re: MARVEL FAMILY PCB BURN
PostPosted: April 17th, 2009, 11:05 
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What's the number on that one? Can't see it on your photo. Also that part may just be a TVS?

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zebong
 Post subject: Re: MARVEL FAMILY PCB BURN
PostPosted: April 17th, 2009, 11:06 
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PCB NUMBER
2061-701552-G00 10P XT 5009 2326 6 0001440 8 441

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ZeBong
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Mikippp
 Post subject: Re: MARVEL FAMILY PCB BURN
PostPosted: April 17th, 2009, 11:12 
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Posts: 542
Hi,
U can remove/replace Transil D3 (SMAJ5.0A), and replace resistor R67...

Regards,
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ccc
 Post subject: Re: MARVEL FAMILY PCB BURN
PostPosted: April 17th, 2009, 11:12 
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Location: Romania
90% that's a TVS....remove it and power on..
Rgds

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N.C.
 Post subject: Re: MARVEL FAMILY PCB BURN
PostPosted: April 17th, 2009, 13:59 
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Joined: March 28th, 2008, 7:52
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The marked part is a TVS.
Remove it, and poweron alone (without the HDA) and use a FUSE in the 5V circuit.

If you are lucky the marvell mcu still good. 8)

Janos
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unknown
 Post subject: Re: MARVEL FAMILY PCB BURN
PostPosted: April 18th, 2009, 22:40 
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Joined: October 21st, 2007, 8:48
Posts: 1712
I think you should replace it ( not remove it ) for your safety

you don't know what will happen again

maybe if you remove it and power on directly that will burn MCU


Good luck
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N.C.
 Post subject: Re: MARVEL FAMILY PCB BURN
PostPosted: April 19th, 2009, 16:30 
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This is why i sad, use a FUSE in the 5V line....
The TVS is only for transient filtering and overvoltage protection.
Generally it is safe to remove, but not for long use again!

Janos
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zebong
 Post subject: Re: MARVEL FAMILY PCB BURN
PostPosted: April 20th, 2009, 10:46 
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Hi,

Thanks to all,

I have remove the TVS and just connect the PCB and always BSY, can not also enter in safe mode.

i will try to look for a PCB donor

Anyone have this PCB

2061-701552-G00 10P
XT 5U09 2326 6 0001440 8 441

zEbONG

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Creator
 Post subject: Re: MARVEL FAMILY PCB BURN
PostPosted: April 20th, 2009, 14:58 
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Joined: December 12th, 2008, 17:00
Posts: 181
Location: Cook islands
No no no Zebong!
You don't need same PCB
The donor PCB should match:
xxxx-701552-xxx xxx
xx xxxx xxxx x xxxxxxx x xxx

Only those 6 symbols are important for matching.

This is ABSOLUTELY EXACT information, you MUST know it, otherwise how are you still working in data Recovery???


P.S.
I've done some researches on WD and solved ABRT problem, when you have no access to userdata, but SA looks fine... :D

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zebong
 Post subject: Re: MARVEL FAMILY PCB BURN
PostPosted: April 21st, 2009, 7:47 
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Creator wrote:
I've done some researches on WD and solved ABRT problem, when you have no access to userdata, but SA looks fine... :D [/color]



That´s great :)

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zebong
 Post subject: Re: MARVEL FAMILY PCB BURN
PostPosted: April 29th, 2009, 17:25 
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Creator wrote:
No no no Zebong!
You don't need same PCB
The donor PCB should match:
xxxx-701552-xxx xxx
xx xxxx xxxx x xxxxxxx x xxx

Only those 6 symbols are important for matching.

This is ABSOLUTELY EXACT information, you MUST know it, otherwise how are you still working in data Recovery???



Hi Creator,

This works in all WD disk ? or just for the marvel ?
I try this is Cyl 16 did not work :(

Thanks
ZeBong

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Doomer
 Post subject: Re: MARVEL FAMILY PCB BURN
PostPosted: April 29th, 2009, 22:04 
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Joined: September 29th, 2005, 12:02
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some old WD drive had this info messed up, so it might not work on old WD drives. But on old WD drives it is easy to ID the PCB by looking on layout

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Last edited by Doomer on April 29th, 2009, 22:11, edited 1 time in total.

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Doomer
 Post subject: Re: MARVEL FAMILY PCB BURN
PostPosted: April 29th, 2009, 22:08 
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Creator wrote:
I've done some researches on WD and solved ABRT problem, when you have no access to userdata, but SA looks fine... :D

I wondering did somebody on this forum researched something before us :(
Sorry for these emotions

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zebong
 Post subject: Re: MARVEL FAMILY PCB BURN
PostPosted: April 30th, 2009, 6:36 
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For old ones did not work, but i found a solution.

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