Fujitsu MHV2120AT User Manual download pdf (Page 20)

Contents

xvi C141-E218

Illustrations

Figures

Figure 1.1 Negative voltage at +5 V when power is turned off ......................... 1-6

Figure 1.2 Current fluctuation (Typ.) at +5 V when power is

turned on............................................................................................ 1-8

Figure 2.1 Disk drive outer view........................................................................ 2-2

Figure 2.2 1 drive system configuration............................................................. 2-3

Figure 2.3 2 drives configuration........................................................................ 2-4

Figure 3.1 Dimensions........................................................................................ 3-2

Figure 3.2 Orientation......................................................................................... 3-3

Figure 3.3 Mounting frame structure.................................................................. 3-4

Figure 3.4 Location of breather .......................................................................... 3-5

Figure 3.5 Surface temperature measurement points ......................................... 3-6

Figure 3.6 Service area ....................................................................................... 3-7

Figure 3.7 Handling cautions.............................................................................. 3-8

Figure 3.8 Connector locations........................................................................... 3-9

Figure 3.9 Cable connections ........................................................................... 3-10

Figure 3.10 Power supply connector pins (CN1) ............................................... 3-11

Figure 3.11 Jumper location ............................................................................... 3-11

Figure 3.12 Factory default setting..................................................................... 3-12

Figure 3.13 Jumper setting of master or slave drive .......................................... 3-12

Figure 3.14 CSEL setting.................................................................................... 3-13

Figure 3.15 Example (1) of cable select............................................................. 3-13

Figure 3.16 Example (2) of cable select............................................................. 3-14

Figure 4.1 Power supply configuration .............................................................. 4-4

Figure 4.2 Circuit configuration ......................................................................... 4-5

Figure 4.3 Power-on operation sequence............................................................ 4-6

Figure 4.4 Read/write circuit block diagram...................................................... 4-9

Figure 4.5 Frequency characteristic of programmable filter............................ 4-10

Figure 4.6 Block diagram of servo control circuit............................................ 4-12

Figure 4.7 Physical sector servo configuration on disk surface ....................... 4-16

Figure 4.8 Servo frame format.......................................................................... 4-17

Figure 5.1 Interface signals................................................................................. 5-2

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Fujitsu MHV2120AT User Manual Page 20