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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
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HOW TO TEST THE HEADS WITH OSCILLOSCOPE

August 3rd, 2004, 13:34

DEAR COMRADES
HE WOULD LIKE HELP TO USE THE OSCILLOSCOPE WELL TO PERFECTLY TEST THE HEADS OF READING OF THE DISKS EXISTS SOME TABLE OF IMPEDANCE OR RESISTANCE TO ELABORATE GOOD DIAGNOSES IN HOW :idea:
THANK YOU :?

Re: HOW TO TEST THE HEADS WITH OSCILLOSCOPE

September 14th, 2004, 16:56

casadohd.com wrote:DEAR COMRADES
HE WOULD LIKE HELP TO USE THE OSCILLOSCOPE WELL TO PERFECTLY TEST THE HEADS OF READING OF THE DISKS EXISTS SOME TABLE OF IMPEDANCE OR RESISTANCE TO ELABORATE GOOD DIAGNOSES IN HOW :idea:
THANK YOU :?


Hi,

I experienced that as soon as I tried to measure a GMR head's resistance with an OHMmeter, the head was gone. I must find some other methods to measure it.
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