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 Post subject: Toshiba 2.5 PCB swap
PostPosted: October 9th, 2017, 9:48 
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Joined: January 21st, 2015, 5:49
Posts: 7
Location: Barcelona
Hi everyone,

I have a HDD Toshiba MQ01ACF050 with the PCB dead (oxidation with coca-cola), I went on Ebay and I bought a new PCB for the same model, revision, hard-drive code, manufacturing country and same BIOS revision.

I mounted the PCB on my drive, now, motor are working but I can see my partitions on the computer (Linux/Windows).

Looking for some tips, I saw this thread:
viewtopic.php?t=9265

Can someone tell if on my model I have to swap IC or something like that ?
If I have to swap IC, can you tell which I have to swap please ?

Here goes my PCBs:
Attachment:
File comment: My two PCBs, first one damaged, second one, from ebay normally working.
toshiba_hdd.jpg
toshiba_hdd.jpg [ 1.62 MiB | Viewed 995 times ]


Many thanks.

Regards.


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 Post subject: Re: Toshiba 2.5 PCB swap
PostPosted: October 9th, 2017, 10:01 
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Joined: January 9th, 2007, 11:12
Posts: 297
Location: Romania
Hi

Yes, you MUST swap the ROM chip from bad PCB to new PCB. And the chip is IC602. Be very careful with this chips because they are sensitive to extreme heat.

Good luck.

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 Post subject: Re: Toshiba 2.5 PCB swap
PostPosted: October 9th, 2017, 13:05 
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Joined: November 29th, 2006, 10:08
Posts: 6940
Location: UK
ccc wrote:
Hi

Yes, you MUST swap the ROM chip from bad PCB to new PCB. And the chip is IC602. Be very careful with this chips because they are sensitive to extreme heat.

Good luck.


Agreed, also they are a little fragile and if you break it (or cook it) it’s pretty much “game over” :-(

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 Post subject: Re: Toshiba 2.5 PCB swap
PostPosted: October 10th, 2017, 20:26 
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Joined: December 6th, 2012, 8:49
Posts: 139
Location: españa
if you do not have much practice moving these types of chips, it might be safer to try repairing the original pcb


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 Post subject: Re: Toshiba 2.5 PCB swap
PostPosted: October 11th, 2017, 16:08 
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Joined: January 21st, 2015, 5:49
Posts: 7
Location: Barcelona
Hi guys,

Many thanks for your response, it's very helpful.

OK for IC602, can you tell which is the ROM chip (IC's number on the board) ?

I just see Colanco response! I have electronic specialist guys that they will do the swap, I won't do myself, but is my question, it wouldn't be easiest to try to repair the damaged zone (it seems that 2 or 3) resistors are burnt than swap ICs ?

Thanks for your help.

Have a good night.


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 Post subject: Re: Toshiba 2.5 PCB swap
PostPosted: October 11th, 2017, 16:44 
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Joined: November 26th, 2014, 11:55
Posts: 62
Location: Earth
All the answers given were clearly.

I marked for you.

Good luck!


Attachments:
IC602.JPG
IC602.JPG [ 163.93 KiB | Viewed 856 times ]
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 Post subject: Re: Toshiba 2.5 PCB swap
PostPosted: October 11th, 2017, 16:45 
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Joined: September 8th, 2009, 18:21
Posts: 9790
Location: Australia
https://www.hdd-parts.com/17070593.html
https://sep.yimg.com/ay/yhst-1443758497 ... 7118-6.gif

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 Post subject: Re: Toshiba 2.5 PCB swap
PostPosted: October 12th, 2017, 3:16 
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Joined: January 21st, 2015, 5:49
Posts: 7
Location: Barcelona
Hi,

Thanks to both, for photo, details and the link, I was thinking that I need to swap 2 ICs! Now is clear, only IC602 from the old to the new!
I will do that next week and let you know if it solved my problem.

Many thanks.

Have a nice day.


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 Post subject: [Solved] Re: Toshiba 2.5 PCB swap
PostPosted: November 10th, 2017, 10:08 
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Joined: January 21st, 2015, 5:49
Posts: 7
Location: Barcelona
Hi Guys,

Thanks to everybody for the help provided, my problem is solved!

Best.


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