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 Post subject: Clicking after PCB swap
PostPosted: May 1st, 2009, 13:09 
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Joined: February 20th, 2009, 13:33
Posts: 15
Location: Belgium
where to go after PCB swap...!!!
i swapped my PCB on my WD5000KS
WD Caviar SE16
Model : WD5000KS - 00MNB0
Date : 13 MAR 2006
DCM : HBHCAJCH
PCB : 2060-701383-001 REV A

but on the sticker says PCB : 2061-701383-E00 AC

and now the heads turn on when connected to power but clicking is heared and i dont know what to do next ...anyone can help me plz maybe to tell me which ROM to swap on my old PCB or something like it


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 Post subject: Re: Clicking after PCB swap
PostPosted: May 1st, 2009, 13:16 
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Joined: July 16th, 2008, 17:52
Posts: 489
Location: Long Beach, California
The first question is: What was wrong with the drive that made you think a PCB would work? Did you properly diagnose the drive first? Swapping the PCB without knowing the problem is like a doctor giving you theraflu for a fever; it MAY help, but the doctor didnt diagnose you properly, you could have an ear infection or worse.


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 Post subject: Re: Clicking after PCB swap
PostPosted: May 1st, 2009, 13:20 
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Joined: February 20th, 2009, 13:33
Posts: 15
Location: Belgium
actually my HDD was not getting any power ...i tried to connect it internal and external and either ways didnt start...so i bought the same HDD but with different data numbers on the PCB and when i swapped the PCBs it started but with clicking and not recognized by windows so i think now that the problem is only the FIRMWARE or the U12 chip or something like it but i dont know what is the next step..
thanks advanced


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 Post subject: Re: Clicking after PCB swap
PostPosted: May 1st, 2009, 13:29 
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Joined: March 28th, 2008, 7:52
Posts: 1466
Location: Europe, Hungary
adnan20 wrote:
actually my HDD was not getting any power ...i tried to connect it internal and external and either ways didnt start...so i bought the same HDD but with different data numbers on the PCB and when i swapped the PCBs it started but with clicking and not recognized by windows so i think now that the problem is only the FIRMWARE or the U12 chip or something like it but i dont know what is the next step..
thanks advanced


If you can show a good resolution pic from the PCB's component-side, maybe we can help....

Janos


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 Post subject: Re: Clicking after PCB swap
PostPosted: May 1st, 2009, 13:30 
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Joined: February 20th, 2009, 13:33
Posts: 15
Location: Belgium
pictures-t11433.html

thanks


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 Post subject: Re: Clicking after PCB swap
PostPosted: May 1st, 2009, 13:53 
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Joined: October 21st, 2005, 0:45
Posts: 1517
Location: Mexico
If after u exchange the Serial ROM, into the Donnor PCB the HDD Knocks, then could be the damaged pass into the MHA, inside HDA, that could be diagnostic by a professional, and not DIY Solutions i can suggest u Dobrebjester he is on beligum and could help u

Regards


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 Post subject: Re: Clicking after PCB swap
PostPosted: May 1st, 2009, 13:54 
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Joined: February 20th, 2009, 13:33
Posts: 15
Location: Belgium
no i didnt swap the roms i only did the PCB swap...
how can i contact Dobrebjester???


thanks a lot


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 Post subject: Re: Clicking after PCB swap
PostPosted: May 1st, 2009, 17:26 
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Joined: November 29th, 2006, 10:08
Posts: 7864
Location: UK
PCB swap will NOT with this model, also there is NO ROM to swap, it's masked in the MCU I think.

PM marc (dobrevjester) ("v" not "b")

He's a proper DR pro in Belgium.

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 Post subject: Re: Clicking after PCB swap
PostPosted: May 1st, 2009, 22:45 
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Joined: October 21st, 2005, 0:45
Posts: 1517
Location: Mexico
Hy sean this model WD5000KS has external serial ROM , on U 12 MCU 88i6845-TFJ1 the most time´s it ATMEL family :wink:

Regards


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 Post subject: Re: Clicking after PCB swap
PostPosted: May 2nd, 2009, 1:26 
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Joined: August 12th, 2008, 13:11
Posts: 3235
Location: USA
Yes, U12 is ROM on these but of all the ones I've ever seen that clicked when powered on, precisely ZERO have been PCB failure only.

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 Post subject: Re: Clicking after PCB swap
PostPosted: May 3rd, 2009, 10:19 
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Joined: November 29th, 2006, 10:08
Posts: 7864
Location: UK
beto wrote:
Hy sean this model WD5000KS has external serial ROM , on U 12 MCU 88i6845-TFJ1 the most time´s it ATMEL family :wink:

Regards


So it is Alberto, that'll teach me to try and answer questions after two bottles of red! ;-)

But, even if you do swap the ROM it's unlikely to fix the problem like drccsc says, as these series are prone to bad heads/preamp and very very difficult to fix.

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