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Contents
C141-E219 ix
6.2.5 Tools and test equipment..................................................................... 6-8
6.2.6 Tests.................................................................................................... 6-9
6.3 Operation Check................................................................................ 6-10
6.3.1 Initial seek operation check................................................................ 6-10
6.3.2 Operation test .................................................................................... 6-10
6.3.3 Diagnostic test................................................................................... 6-10
6.4 Troubleshooting Procedures............................................................... 6-11
6.4.1 Outline of troubleshooting procedures ............................................... 6-11
6.4.2 Troubleshooting with disk drive replacement in the field ................... 6-11
6.4.3 Troubleshooting at the repair site....................................................... 6-13
6.4.4 Troubleshooting with parts replacement in the factory ....................... 6-14
6.4.5 Finding possibly faulty parts.............................................................. 6-14
CHAPTER 7 Error Analysis ........................................................................... 7-1
7.1 Error Analysis Information Collection ................................................. 7-1
7.1.1 Sense data............................................................................................ 7-1
7.1.2 Sense key, additional sense code, and additional sense code qualifier... 7-1
7.2 Sense Data Analysis ............................................................................ 7-3
7.2.1 Error information indicated with sense data ......................................... 7-3
7.2.2 Sense data (3-0C-03), (4-40-xx), and (4-C4-xx)................................... 7-4
7.2.3 Sense data (1-1x-xx), (3-1x-xx) and (E-1D-00): Disk read error.......... 7-4
7.2.4 Sense data (4-44-xx), (5-2x-xx), (B-44-xx), (B-47-xx), (B-4B-xx)
and (B-4E-00): interface error.............................................................. 7-4
Glossary........................................................................................................... GL-1
Abbreviation .................................................................................................... AB-1
Index ..................................................................................................................IN-1