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Eric Lee Deadharddrive regular +4
Joined: 26 Apr 2009 Posts: 308 Location: China
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Posted: Fri Oct 29, 2010 11:14 am Post subject: |
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Hi, For this PCB, there are two kinds of them, pls contact my hotmail to see if I can help or not.
Thanks
Eric _________________ HK MingDi electronics Co., Ltd. http://www.hkmingdi.com/enindex.asp
MSN/E-mail:eric_lee8341@hotmail.com
Specialize in HDD PCB!!! Real in stock!!
Skype:eric.lee1984 |
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dadafu Active contributor
Joined: 18 Oct 2010 Posts: 7
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Posted: Sun Oct 31, 2010 2:51 am Post subject: |
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dadafu wrote: | I have a friend who has the same drive, I'll see if it is the same PCB and i'll test it on my drive.
I'll keep you posted.
Thank's |
His drive have the same PCB (same drive and same MLC) : we tested it on my drive = not detected but spin up correctly.
we tested my PCB on his drive = not detected but spin up correctly.
His drive work correctly with his PCB.
We didn't swap the chip U5, my friend didn't want to take risks for his drive.
If I buy a new PCB to you, i also need to swap u5 ?
Thank's |
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sunnydreamspace Deadharddrive regular +5
Joined: 04 Jan 2009 Posts: 540
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Posted: Tue Nov 02, 2010 3:52 am Post subject: |
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dadafu wrote: | dadafu wrote: | I have a friend who has the same drive, I'll see if it is the same PCB and i'll test it on my drive.
I'll keep you posted.
Thank's |
His drive have the same PCB (same drive and same MLC) : we tested it on my drive = not detected but spin up correctly.
we tested my PCB on his drive = not detected but spin up correctly.
His drive work correctly with his PCB.
We didn't swap the chip U5, my friend didn't want to take risks for his drive.
If I buy a new PCB to you, i also need to swap u5 ?
Thank's |
hi,
if you don't want swap it you can program data on it. but i don't think you had equipment for it. so the best way for you if swap it. or you can find out any mobile repair shop for process. as the chip contain adapter data matching with your drive firmware. without matching can't access data area correctly. or contact me by email or MSN for help. i can handle it. _________________ provide Hard drive PCB,entire drive/ Data Recovery service.... big HDD resource. talk to me immediately! sunnydreamspace@hotmail.com
skype: sunnydreamspace |
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huggy Deadharddrive regular
Joined: 12 Sep 2013 Posts: 16
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Posted: Tue Sep 17, 2013 9:20 pm Post subject: |
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Hi everybody,
does anybody has made some business with this guy below and what was the result ? Is he serious ?
Thanks for a quick reply.
Huggy
--------------------------------------------------------------
Eric Lee
Deadharddrive regular +4
Joined: 26 Apr 2009
Posts: 308
Location: China
HK MingDi electronics Co., Ltd. http://www.hkmingdi.com/enindex.asp
MSN/E-mail:eric_lee8341@hotmail.com
Specialize in HDD PCB!!! Real in stock!!
Skype:eric.lee1984 |
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huggy Deadharddrive regular
Joined: 12 Sep 2013 Posts: 16
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Posted: Thu Sep 19, 2013 10:08 pm Post subject: Looking for a Clone Hitachi HDT721010SLA360 |
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Hi everybody,
I'm looking for a clone for my dead Hitachi HDD - REF : HDT721010SLA360 (Date Code : Aug-2009 - P/N : 0A37993 - S/N : MS0ZZ3YK - MLC : BA3013).
Suddenly, something has happened on the PC startup and now, this HDD is not recognized by the Bios.
The power supply is Ok on several point of the PCB but nothing happen (no noise, no motor vibrations...).
I understood that i have to exchange the U5 NVRAM from my hard disk to the clone. I'm engineer in electronics so I think i can do it myself.
BUT, unfortunately, after many (night) hours, I haven't found any exact complete clone HDD. Sometimes, it's the good PCB reference but not the good HDD reference and sometimes it's the good HDD reference but not the correct PCB sticker.
So, my question is : Is it really necessary to find the complete reference of my complete harddrive or just a clone compliant PCB (same Sticker reference = 0A29987 BA3263 _ MzK929 06V1).
For the last part of the reference, it seems not necessary to have the exact one.
An other point : I don't remember if i have uploaded a firmware update on this HDD (I don't know exactly if it's possible). Is it a problem or not ?
Please, fell free to contact me for an help, answer, indication.
Thank you for your Help.
Best regards. |
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huggy Deadharddrive regular
Joined: 12 Sep 2013 Posts: 16
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Posted: Tue Oct 01, 2013 5:34 pm Post subject: Re: Looking for a Clone Hitachi HDT721010SLA360 |
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Hi everybody,
I'm looking for a clone drive or PCB for my dead Hitachi HDD - REF : HDT721010SLA360 (Date Code : Aug-2009 - P/N : 0A37993 - S/N : MS0ZZ3YK - MLC : BA3013).
PCB Sticker = 0A29987 BA3263 _ MzK929 06V1
Suddenly, something has happened on the PC startup and now, this HDD is not recognized by the Bios.
The different power supply seem Ok on several points of the PCB but nothing happen (no noise, no motor vibrations...).
I have understood that i have to exchange the U5 NVRAM from my hard disk to the clone. I'm engineer in electronics so I think i can do it myself.
BUT, unfortunately, after many (night) hours, I haven't found any exact complete clone HDD. Sometimes, it's the good PCB reference but not the good HDD reference and sometimes it's the good HDD reference but not the correct PCB sticker.
So, my question is : Is it really necessary to find the complete reference of my complete harddrive or just a clone compliant PCB (same Sticker reference = 0A29987 BA3263 _ MzK929 06V1).
For the last part of the PCB reference, it seems not necessary to have the exact one. But for the first part, is it necessary to have the exact one if i change U5 and U7 to my clone ?
Please, fell free to contact me for an help, answer, indication.
Thank you for your Help.
Best regards. |
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huggy Deadharddrive regular
Joined: 12 Sep 2013 Posts: 16
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Posted: Tue Oct 01, 2013 7:17 pm Post subject: Re: Looking for a Clone Hitachi HDT721010SLA360 |
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Hi everybody,
I'm looking for a clone drive or PCB for my dead Hitachi HDD - REF : HDT721010SLA360 (Date Code : Aug-2009 - P/N : 0A37993 - S/N : MS0ZZ3YK - MLC : BA3013).
PCB Sticker = 0A29987 BA3263 _ MzK929 06V1
Suddenly, something has happened on the PC startup and now, this HDD is not recognized by the Bios.
The different power supply seem Ok on several points of the PCB but nothing happen (no noise, no motor vibrations...).
I have understood that i have to exchange the U5 NVRAM from my hard disk to the clone. I'm engineer in electronics so I think i can do it myself.
BUT, unfortunately, after many (night) hours, I haven't found any exact complete clone HDD. Sometimes, it's the good PCB reference but not the good HDD reference and sometimes it's the good HDD reference but not the correct PCB sticker.
So, my question is : Is it really necessary to find the complete reference of my complete harddrive or just a clone compliant PCB (same Sticker reference = 0A29987 BA3263 _ MzK929 06V1).
For the last part of the PCB reference, it seems not necessary to have the exact one. But for the first part, is it necessary to have the exact one if i change U5 and U7 to my clone ?
Please, fell free to contact me for an help, answer, indication.
Thank you for your Help.
Best regards. |
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huggy Deadharddrive regular
Joined: 12 Sep 2013 Posts: 16
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Posted: Fri Nov 08, 2013 10:21 pm Post subject: Problem solved |
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Hi,
i have a really good new : my hard disk is repared.
After long (night) researchs, i have found a hard disk that matches exactly with mine.
After changing the NVRAM, I've got access to my hard drive.
!!!!!!!!!! THANKS TO EVERYBODY FOR YOUR HELP !!!!!!!!!! |
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salvationdata Deadharddrive regular
Joined: 25 May 2011 Posts: 18
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kuwona Posted once
Joined: 07 Mar 2016 Posts: 1
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Posted: Fri Mar 11, 2016 1:19 pm Post subject: Re: Wanted: PCB Hitachi HDT721010SLA360 |
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Hi All -
Hope it's okay to resurrect this old thread. I have a HDT721010SLA360 that started clicking and won't mount. I read fzabkar's post below and used a multimeter to measure across the two suspected diodes.
Here's a link to the the readings from the multimeter:
https://www.dropbox.com/sh/g2znh2xsijmtyjb/AABGaTj06V_OdFrtP99yTy1za?dl=0
Can anyone help me determine from these images if one of my diodes is bad?
Thanks!
_______________
fzabkar wrote: | Use a multimeter on the 200 ohms range to test the components in the photo clip:
http://www.users.on.net/~fzabkar/HDD/HDT721010SLA360_TVS.jpg
If you don't have a multimeter, a digital one should only cost you US$10.
I suspect that your 5V TVS diode is shorted.
Once you have found the faulty diode, you can snip it out with flush cutters. If there is no other damage, the drive will work without it, but it will no longer have overvoltage protection on the affected supply rail, so be absolutely sure your power supply is OK. |
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