Data recovery and disk repair questions and discussions related to old-fashioned SATA, SAS, SCSI, IDE, MFM hard drives - any type of storage device that has moving parts
November 16th, 2008, 4:35
Hi all. I've got a Maxtor HDD that's maybe a Maxtor DiamondMax Plus 45 drive, but can't be sure, because the sticker's off. What I know is the drive's capacity - 20GB and the PCB reads NEBULA 301334101.
The problem:
Suddenly the drive stopped working and would not spin up at all.
Could this be solved by replacing the PCB?
I'm from Bulgaria, so sorry about my English...
November 16th, 2008, 4:49
Post a "clear" picture of the pcb.
November 16th, 2008, 5:00
Not common... Will be difficult to find a suitable pcb, I think.
November 16th, 2008, 5:07
Ok. Here it is:
- Attachments
-

November 16th, 2008, 6:39
November 16th, 2008, 6:52
I have a drive in my stock.
November 16th, 2008, 7:05
Write me a PM if you can send me just the PCB.
November 17th, 2008, 7:42
Any advice on matching PCBs? For example a 10GB Maxtor DiamondMax?
November 19th, 2008, 2:23
I have this PCB in stock PM me if required .
November 20th, 2008, 5:50
I've put a PCB from a 10GB Maxtor that fits in well but has a different main chip.
The drive is now spinning well, but heads produce regular clicks. At least I know the motor is OK.
Maybe a PCB replacement will fix it up well?!
November 20th, 2008, 5:59
If you can, check the 3.3V regulator!
In this family sometimes it gets bad.
Anyway, my little brother's girlfriend will come to me soon, from Bulgaria, so if you want, i can take a look to the PCB...

Regards,
Janos
November 20th, 2008, 6:07
Hi, thanks for the tip!!! I was wondering if it can be the problem.
I guess you mean the component that's a SOT223?
Looks like this:

I've got the same spare part in stock. Will try to replace it.
Cheers!
November 21st, 2008, 5:50
I've replaced the voltage regulator but nothing changed!
The drive looks completely "dead", not spinning and chips stay cold...
Meanwhile, I found this:
http://www.ihdd.ru/forum/maxtor-32049h2-nebula-vt3413.html?highlight=nebula - the guy solved the same problem by replacing the main chip...
November 21st, 2008, 6:18
At this point, could be anything....
The Eprom, the VCD, some parts in the main power line....
Need to measure one pro, to determine the problem.
Janos
November 21st, 2008, 17:45
Also could be the motor controller check that as well .
November 21st, 2008, 17:55
Hi,
did u put a PCB on the drive from a different family?
If it was from a different family, don't expect anything more than clicking... these experiments are dangerous. If U need the data and don't have PCB for it, there are some DR firms nearby for sure. Or ask BGMan, he is from Bulgaria too.
could U post a picture of that board?
pepe
November 25th, 2008, 8:31
pepe wrote:Hi,
did u put a PCB on the drive from a different family?
could U post a picture of that board?
pepe
The PCB from the 10GB drive was definitely from a different family. Just wanted to check if the motor and the wires from it are all OK. Seems they are...
There is a picture of the board in one of the above posts.
November 26th, 2008, 10:01
Look for a donor PCB with C4DLA marked on it. If still clicks then do a rom swap.
or tests the components of the original pcb using multimeter.
November 26th, 2008, 10:04
LostDrive wrote:Look for a donor PCB with C4DLA marked on it. If still clicks then do a rom swap.
or tests the components of the original pcb using multimeter.
A ROM swap? If clicks after replacing compatible PCB likely heads are damaged
November 26th, 2008, 12:38
He used a PCB from a different family, so it is not very surprising it clicked

Anyway, this thread can be terminated this way:
if U want to get quick access to your data, you have to pay the services of a pro, I suppose each one of us working in this field should lay such drive somewhere in our drawers, so it will not be a problem...
If U want inexpensive solution, try to dig up this board on the web, there's nothing more we can do here to support U I think, sorry.
pepe
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