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 Post subject: Maxtor 160GB harddisk burnt!
PostPosted: September 18th, 2007, 2:53 
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Joined: September 18th, 2007, 2:38
Posts: 13
Yesterday, My DiamondMax Plus 9 160GB ATA/133 HDD 's W503 IC suddenly burnt out! So i replace a good W503 IC again from another HD (DiamondMax Plus 9 80GB), The result is the same. The W503 IC burnt out too....>.<

So is it possible to use another DiamondMax Plus 9 HDD PCB to re-drive the 160GB again??

Here is some information:
DiamondMax Plus 9 160GB ATA/133 HDD
-Mfg Date: 15MAY2004 Singapore
-6Y160P0042811
-PCB no. 301862101

DiamondMax Plus 9 80GB ATA/133 HDD
-Mfg Date: 12MAR2004 Singapore
-6Y080L0422011
-PCB no. 301599100

Anyone can help/suggest me to access the HD data again?
Thank you very much!!!


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 18th, 2007, 3:01 
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Joined: October 2nd, 2005, 0:30
Posts: 139
Location: Jakarta - Indonesia
You have an internal components problem...mostly short circuit from the amplifier. Changing the PCB will not help, it will always burnt again. You need to open the HDD cover in a clean room to replace the preamplifier or other components that might have failed internally.

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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 18th, 2007, 3:36 
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Joined: September 18th, 2007, 2:38
Posts: 13
Thanks!!

Opp!! What you mean is that the problem is not the PCB problem.

Is there any method to check whether it's short circuit somewhere??

or my harddisk is most likely unable to be repaired?
>.<

cryoborgofthevenus wrote:
You have an internal components problem...mostly short circuit from the amplifier. Changing the PCB will not help, it will always burnt again. You need to open the HDD cover in a clean room to replace the preamplifier or other components that might have failed internally.


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 18th, 2007, 4:28 
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Joined: October 2nd, 2005, 0:30
Posts: 139
Location: Jakarta - Indonesia
Yes there is a method. Remove the PCB. You will see the HDA data pins...

Check its resitance one by one. Compare the result with identical drive that is working OK.

You will see the difference. :wink:

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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 18th, 2007, 5:47 
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Joined: September 18th, 2007, 2:38
Posts: 13
Thanks! I'm measuring it now.

I find there are 4 groups (9/3/4/2-pin)
I have found there are some difference already.
(especially 2 of them are short-circuit, which should not be in the good one)

But just have no idea on what the pins mean.....
And any followup after i check the resistance??


cryoborgofthevenus wrote:
Yes there is a method. Remove the PCB. You will see the HDA data pins...

Check its resitance one by one. Compare the result with identical drive that is working OK.

You will see the difference. :wink:


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 18th, 2007, 6:51 
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Joined: October 7th, 2005, 2:03
Posts: 153
Location: serbia
These pins are +/- 5 V power supply for the circuit on HDA


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 18th, 2007, 12:00 
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Joined: October 3rd, 2005, 0:40
Posts: 1146
Location: Hungary
Hi,

From the first description it is not neccessarily a preamp failure, though it can be.
It is possible that Q500 doesn't get proper driving signal from U500 at pin4.
In this case U can replace the PCB with a compatible one, and it will work, but if the preamp is gone, don't try a good PCB, it will be toasted too.

pepe


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 18th, 2007, 21:23 
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Joined: September 18th, 2007, 2:38
Posts: 13
I do have a good and compatible Maxtor PCB to have a test whether it works or not. But i'm afraid the good PCB will be dead too after test >.<. (fear to try it now)

Is there any test to confirm it is the PREAMP failure?
like measuring which HDA pins or any methods are welcomed.

Thanks!!


pepe wrote:
Hi,

From the first description it is not neccessarily a preamp failure, though it can be.
It is possible that Q500 doesn't get proper driving signal from U500 at pin4.
In this case U can replace the PCB with a compatible one, and it will work, but if the preamp is gone, don't try a good PCB, it will be toasted too.

pepe


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 18th, 2007, 22:46 
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Joined: September 18th, 2007, 2:38
Posts: 13
I add two pictures for reference, hope it help
and more can be captured if necessary!
Thanks!!

Attachment:
Imga0060.jpg
Imga0060.jpg [ 109.44 KiB | Viewed 213 times ]


Attachment:
Imga0069.jpg
Imga0069.jpg [ 111.1 KiB | Viewed 224 times ]


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 19th, 2007, 10:52 
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Joined: October 3rd, 2005, 0:40
Posts: 1146
Location: Hungary
Hi,

I I I I I I I I I I I I I I I I I I I
^ ^
-5 GND

U can check the preamp with a multimeter, put it into diode checking mode.
Attach the red (positive) terminal to the GND pin and the black (negative) one to the -5V pin.
If the multimeter shows any value other than infinity, the preamp is gone. If it shows bellow ~1.000 the new board will be damaged probably if U try it.

regards,
pepe


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 20th, 2007, 0:12 
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Joined: September 18th, 2007, 2:38
Posts: 13
Dear pepe,

I follow your instructon to check with some photos for reference.
First, do i do the test correctly??
And i find it's infinity, does it mean it is a good news, and i can try to replace a good PCB?

P.S. I'm waiting the IRF7326D2 IC delivery to replace the burnt W503 IC.

Attachment:
Imga0070.jpg
Imga0070.jpg [ 111.83 KiB | Viewed 93 times ]

Attachment:
Imga0076.jpg
Imga0076.jpg [ 110.22 KiB | Viewed 143 times ]

Attachment:
Imga0082.jpg
Imga0082.jpg [ 110.98 KiB | Viewed 106 times ]


pepe wrote:
Hi,

I I I I I I I I I I I I I I I I I I I
^ ^
-5 GND

U can check the preamp with a multimeter, put it into diode checking mode.
Attach the red (positive) terminal to the GND pin and the black (negative) one to the -5V pin.
If the multimeter shows any value other than infinity, the preamp is gone. If it shows bellow ~1.000 the new board will be damaged probably if U try it.

regards,
pepe


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 20th, 2007, 0:14 
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Joined: September 18th, 2007, 2:38
Posts: 13
One more photo for reference!!

Attachment:
Imga0084.jpg
Imga0084.jpg [ 109.04 KiB | Viewed 76 times ]


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 20th, 2007, 0:18 
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Joined: September 18th, 2007, 2:38
Posts: 13
And more HD info listed here:
Maxtor DiamondMax Plus 9 160GB ATA/133 HDD
YAR41BW0
6Y160P0042811

PCB:
M8FYB
301862101
ARDENT-C8C1-840UK
SMOOTH-L7250E 1.2


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 20th, 2007, 15:15 
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Joined: October 3rd, 2005, 0:40
Posts: 1146
Location: Hungary
Hi,

sorry, the illustration appears to be somehow different than I sent.

it should look like this:
Code:
I  I    I  I  I  I    I  I  I   I  I  I  I  I  I  I  I  I
                                               ^  ^
                                            -5V  GND



pepe


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 21st, 2007, 23:46 
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Joined: September 18th, 2007, 2:38
Posts: 13
Hi pepe,

I got "infinity" result again. is the preamp still fine?
But i test a 80GB HDD, it takes 1.340 result.

Please kindly advise.

Thank you very MUCH!

pepe wrote:
Hi,

sorry, the illustration appears to be somehow different than I sent.

it should look like this:
Code:
I  I    I  I  I  I    I  I  I   I  I  I  I  I  I  I  I  I
                                               ^  ^
                                            -5V  GND



pepe


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 26th, 2007, 23:10 
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Joined: September 18th, 2007, 2:38
Posts: 13
The IRF7326D2 IC is just received, and will have a test again after soldering.

Hopefully, it works!!!


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 27th, 2007, 2:43 
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Joined: September 18th, 2007, 2:38
Posts: 13
Before i test with a new and good PCB, Anyone can answer me this question?

Here is the history:
I stupidly connect the harddisk 4-pin power cable in reverse direction.
In other words, 5V->12V and 12V->5V.
Initially nothing happened. When i noticed i mis-connected the power cable, i re-plug the power cable again (within 1 min).
Then i turn on the PC again, the W503 IC burnt!

So i would like to ask whether the wrong power cable connection can cause the pre-amp dead?

Thank you very much!!


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 27th, 2007, 11:15 
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Joined: October 3rd, 2005, 0:40
Posts: 1146
Location: Hungary
Hello,

It can and it did :(

pepe


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 27th, 2007, 12:47 
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Joined: June 27th, 2006, 11:33
Posts: 1456
Location: In ur HDD !
Most of the time in this case the preamp is gone .


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 Post subject: Re: Maxtor 160GB harddisk burnt!
PostPosted: September 28th, 2007, 7:41 
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Joined: September 3rd, 2007, 19:03
Posts: 14
What's with these Maxtor drives?? I have a Platinum 160GB ATA133 HDD with Calypso PCB and the PCB fried as well. Seems too much of a co-incidence...


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