That's a 7200.11 series, direct PCB swap is not possible due to adaptive ROM

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CDR - Manchester Data Recovery Services
0161 408 4857
http://www.cheadledatarecovery.co.uk/

John is correct, the PCB's (or more precisely the info in the ROM) are ABSOLUTELY unique on this series.

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here is demo video show you how to replace ROM chip from old PCB to good one.
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Rather than replace the board, locate the 12V TVS diode on the original board. It will most likely be shorted.

Does your board look like this one?
http://img220.imageshack.us/img220/5310/dsc2495yt8.jpg

The photo shows a burnt 5V TVS diode near the SATA power connector. Your PCB will have a shorted diode to the right of it, near the edge of the board.

If you can trust your PSU, then remove the 12V diode with flush cutters. Your drive will work OK without it, but it will no longer have overvoltage protection on the +12V supply.

For continued protection, you can replace the diode with an SMBJ12A from Farnell, Mouser, Digikey.